question_answer 1) Deuteron and alpha particle in air are at separation \[1\overset{0}{\mathop{A}}\,\]. The magnitude of electric field intensity on \[\alpha \]-particle due to deuteron is :
A)
\[5.76\times {{10}^{11}}N/C\]
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B)
\[1.44\times {{10}^{11}}N/C\]
done
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C)
\[2.828\times {{10}^{11}}N/C\]
done
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D)
zero
done
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question_answer 2) If \[{{E}_{1}}\] be the electric field strength of a short dipole at a point on its axial line and \[{{E}_{2}}\] that on the equatorial line at the same distance, then :
A)
\[{{E}_{1}}={{E}_{2}}\]
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B)
\[{{E}_{1}}=2{{E}_{2}}\]
done
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C)
\[{{E}_{1}}=2{{E}_{2}}\]
done
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D)
none of these
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question_answer 3) 20 amp current is flowing in a long straight wire. The intensity of magnetic field at a distance of 10 cm from the wire, will be :
A)
\[4\times {{10}^{-5}}wb/{{m}^{2}}\]
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B)
\[2\times {{10}^{-5}}wb/{{m}^{2}}\]
done
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C)
\[3\times {{10}^{-5}}wb/{{m}^{2}}\]
done
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D)
\[8\times {{10}^{-5}}wb/{{m}^{2}}\]
done
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question_answer 4) An electron having charge \[1.6\times {{10}^{-19}}C\]and mass \[9\times {{10}^{-31}}\] kg is moving with\[4\times {{10}^{6}}\]m/s speed in a magnetic field of \[2\times {{10}^{-1}}\]tesla in a circular orbit. The force acting on an electron and the radius of circular orbit will be:
A)
\[1.28\times {{10}^{14}}N,1.1\times {{10}^{-3}}m\]
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B)
\[1.28\times {{10}^{15}}N,1.2\times {{10}^{-12}}m\]
done
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C)
\[1.28\times {{10}^{-13}}N,1.1\times {{10}^{-4}}m\]
done
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D)
none of these
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question_answer 5) The capacity of a condenser is \[4\times {{10}^{-6}}\]farad and its potential is 100 volts. The energy released on discharging it fully will be :
A)
0.04 J
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B)
0.02 J
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C)
0.025 J
done
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D)
0.05 J
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question_answer 6) The electric potential at the surface of anatomic nucleus (Z = 50) of radius\[9.0\times {{10}^{-13}}cm\] is :
A)
\[9\times {{10}^{5}}volt\]
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B)
\[8\times 106\,volt\]
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C)
80 volt
done
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D)
9 volt
done
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question_answer 7) The half-life of radium is 1620 years and its atomic weight is 226 kg per kilo mol. The number of atoms that will decay from its 1 gm sample per second will be : (Avogadros number \[N=6.023\times {{10}^{23}}\] atoms/mol)
A)
\[3.61\times {{10}^{10}}\]
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B)
\[3.6\times {{10}^{12}}\]
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C)
\[3.11\times {{10}^{15}}\]
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D)
\[31.1\times {{10}^{15}}\]
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question_answer 8) One milligram of matter converted into energy, will give :
A)
9 joule
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B)
\[9\times {{10}^{3}}\] joule
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C)
\[9\times {{10}^{5}}\]joule
done
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D)
\[9\times {{10}^{10}}\] joule
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question_answer 9) In a simple microscope, if the final image is located at 25 cm from the eye placed close to the lens, then the magnifying power is :
A)
\[\frac{25}{f}\]
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B)
\[1+\frac{25}{f}\]
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C)
\[\frac{f}{25}\]
done
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D)
\[\frac{f}{25}+1\]
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question_answer 10) A black body at 200 K is found to exit maximum energy at a wavelength\[14\mu m.\]When its temperature is raised to 1000 K, then wavelength at which maximum energy emitted is :
A)
14 mm
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B)
7\[\mu m\]
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C)
2.8 \[\mu m\]
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D)
28 mm
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question_answer 11) The ratio of thermal conductivity of two rods of different material is 5 : 4. The two rods of same area of cross-section and same thermal resistance will have the lengths in the ratio :
A)
4 : 5
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B)
9: 1
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C)
1 : 9
done
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D)
5: 4
done
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question_answer 12) Joule second is the unit of :
A)
momentum
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B)
angular momentum
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C)
work
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D)
pressure
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question_answer 13) The two slits at a distance of 1 mm are illuminated by the light of wavelength\[6.5\times {{10}^{-7}}\]m. The interference fringes are observed on a screen placed at a distance of 1 m. The distance between third dark fringe and fifth bright fringe will be :
A)
0.65 cm
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B)
4.8 mm
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C)
1.63 mm
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D)
3.25 cm
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question_answer 14) Two thin lenses, one of focal length + 60 cm and the other of focal length -20 cm are put in contact, the combined focal length is :
A)
15 cm
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B)
-15 cm
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C)
-30 cm
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D)
30 cm
done
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question_answer 15) When light travels from one medium to the other medium of which the refractive index is different, then which of the following will change :
A)
frequency, wavelength and velocity
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B)
frequency and wavelength
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C)
frequency and velocity
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D)
wavelength and velocity
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question_answer 16)
In the circuit shown in the figure, the potential difference across the 4.5\[\mu F\]capacitor is :
A)
\[\frac{8}{3}volt\]
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B)
4 volt
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C)
6 volt
done
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D)
8 volt
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question_answer 17) When \[_{92}{{U}^{235}}\]undergoes fission, 0.1% its original mass is changed into energy. How much energy is released if 1 kg of\[_{92}{{U}^{235}}\] undergoes fission?
A)
\[9\times {{10}^{10}}J\]
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B)
\[9\times {{10}^{11}}J\]
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C)
\[9\times {{10}^{12}}J\]
done
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D)
\[9\times {{10}^{13}}J\]
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question_answer 18)
The equivalent resistance of the arrangement of resistances shown in the given figure between points P and Q is :
A)
6\[\Omega \]
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B)
8\[\Omega \]
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C)
24\[\Omega \]
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D)
16\[\Omega \]
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question_answer 19) A cricketer hits a ball with a velocity 25 m/s at 60° above the horizontal. How far above the ground ,it passes over a fielder 50 m from the bat (assume the ball is struck very close to the ground) :
A)
8.2 m
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B)
9.0 m
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C)
11.6 m
done
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D)
12.7 m
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question_answer 20) It is easier to roll a barrel than pull it along the road. This statement is :
A)
not possible
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B)
uncertain
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C)
false
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D)
true
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question_answer 21) The diameter of brass road is 4 mm. Youngs modulus of brass is\[9\times {{10}^{9}}N/{{m}^{2}}.\]The force required to stretch 0.1% of its length is :
A)
360\[\pi \]N
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B)
36 N
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C)
\[36\pi \times {{10}^{5}}N\]
done
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D)
\[144\pi \times {{10}^{3}}N\]
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question_answer 22) A beam of ions enters normallyintoauniform magnetic field of\[4\times {{10}^{2}}\]tesla with velocity of \[2\times {{10}^{5}}\] m/s. If the specific charge of the ion is \[5\times {{10}^{7}}\] C/kg, then the radius of the circular path described will be :
A)
0.10m
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B)
0.06 m
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C)
0.20 m
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D)
0.25 m
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question_answer 23) Par sec is unit of :
A)
angle
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B)
velocity
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C)
time
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D)
distance
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question_answer 24) If a given mass of gas occupies a volume of 10 cc at 1 atmospheric pressure and temperature \[100{}^\circ C\]. What will be its volume at 4 atmospheric pressure, the temperature being the same?
A)
100 cc
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B)
400 cc
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C)
104 cc
done
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D)
2.5 cc
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question_answer 25) Ultraviolet radiation of 6.2 eV falls on an aluminium foil surface. Work function is 4.2 eV. The K.E. of the fastest electron emitted approximately :
A)
\[3.2\times {{10}^{-21}}J\]
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B)
\[3.2\times {{10}^{-19}}J\]
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C)
\[3.2\times {{10}^{-15}}J\]
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D)
\[3.2\times {{10}^{-17}}J\]
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question_answer 26) Two gases of equal masses are in thermal equilibrium. If \[{{P}_{a}},{{P}_{b}}\]and\[{{V}_{a}},{{V}_{b}}\] are their respective pressures and volumes, then which relation is true?
A)
\[2{{P}_{a}}{{V}_{a}}={{P}_{b}}{{V}_{b}}\]
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B)
\[{{P}_{a}}\ne {{P}_{b}},{{V}_{a}}={{V}_{b}}\]
done
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C)
\[\frac{{{P}_{a}}}{{{V}_{a}}}=\frac{{{P}_{b}}}{{{V}_{b}}}\]
done
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D)
\[{{P}_{a}}{{V}_{a}}={{P}_{b}}{{P}_{v}}\]
done
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question_answer 27) A thin uniform rod of mass and length is hinged at the lower end to a level floor and strands vertically. It is now allowed to fall, then its upper end will strike the floor with the velocity :
A)
\[\sqrt{2gl}\]
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B)
\[\sqrt{5gl}\]
done
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C)
\[\sqrt{3gl}\]
done
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D)
\[\sqrt{mgl}\]
done
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question_answer 28) The magnitude of acceleration of particle executing SHM at the position of maximum di placement is :
A)
zero
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B)
minimum
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C)
maximum
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D)
none of these
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question_answer 29) Mud houses are cooler in summer and warmer in winter because :
A)
mud is a good conductor of heat
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B)
mud is a superconductor of heat
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C)
mud is a bad conductor of heat
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D)
none of these
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question_answer 30) Drift velocity varies with the velocity of electric field as per the relation :
A)
\[{{V}_{d}}={{E}^{2}}\]
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B)
\[{{V}_{d}}\alpha E\]
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C)
\[{{V}_{d}}\alpha \frac{1}{E}\]
done
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D)
(d )\[{{V}_{d}}\alpha {{E}^{2}}\]
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question_answer 31) If the critical angle for total internal reflection from a medium to vacuum is \[30{}^\circ \], then velocity of light in medium will be :
A)
\[1.5\times {{10}^{8}}m/s\]
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B)
\[2\times {{10}^{8}}m/s\]
done
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C)
\[3\times {{10}^{8}}m/s\]
done
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D)
\[5\times {{10}^{8}}m/s\]
done
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question_answer 32) What is the momentum of a 100000 kg truck whose velocity is 20 m/s?
A)
\[2\times {{10}^{5}}kg\,m/s\]
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B)
\[1\times {{10}^{5}}kg\,m/s\]
done
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C)
\[3\times {{10}^{8}}kg\,m/s\]
done
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D)
none of these
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question_answer 33) A 10 kg ball moving with velocity 2 m/s collides with a 20 kg mass initially at rest. If both of them coalesce, the final velocity of combined mass is :
A)
\[\frac{3}{4}\] m/s
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B)
\[\frac{1}{3}\] m/s
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C)
\[\frac{3}{2}\] m/s
done
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D)
\[\frac{2}{3}\] m/s
done
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question_answer 34) A 30 g bullet travelling initially at 500 m/s penetrates 12 cm in to wooden block. The average force exerted will be :
A)
31250 N
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B)
41250 N
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C)
31750 N
done
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D)
30450 N
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question_answer 35) With what minimum acceleration can a fireman slide down a rope who breaking strength is two third of his weight :
A)
\[\frac{g}{3}\]
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B)
\[\frac{2}{3}g\]
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C)
\[\frac{3}{2}g\]
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D)
\[\frac{g}{2}\]
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question_answer 36) Calculate the force required to separate the glass plate of area \[{{10}^{-2}}{{m}^{2}}\]with a film of water 0.05 mm thick [surface tension of water is \[70\times {{10}^{-3}}\]N/m] :
A)
25 N
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B)
20 N
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C)
14 N
done
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D)
28 N
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question_answer 37) At which of the following temperature would the molecules of gas have twice the average kinetic energy they have at \[20{}^\circ C\]?
A)
\[40{}^\circ C\]
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B)
\[80{}^\circ C\]
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C)
\[586{}^\circ C\]
done
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D)
\[313{}^\circ C\]
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question_answer 38) Air is expanded from 50 litre to 150 litre at 2 atmospheric pressure. The external work done is \[(1atmosphere=1\times {{10}^{5}}N/{{m}^{2}}):\]
A)
\[2\times {{10}^{-8}}J\]
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B)
\[2\times {{10}^{-4}}J\]
done
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C)
200J
done
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D)
2000 J
done
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question_answer 39) The mass of moon is 1% of mass of earth. The ratio of gravitational pull of earth on moon and that of moon on earth will be:
A)
1:1
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B)
1:10
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C)
1:100
done
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D)
2:1
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question_answer 40) At what temperature, the speed of sound in air will become double of its valus at \[27{}^\circ C\]:
A)
\[{{54}^{0}}C\]
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B)
\[{{627}^{0}}C\]
done
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C)
\[{{327}^{0}}C\]
done
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D)
\[{{927}^{0}}C\]
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question_answer 41) A wave in expressed by the equation \[y=0.5\sin \pi (0.01x-3t)\] where x,y are in metres and t in second. The speed of propagation will be :
A)
150 m/s
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B)
300 m/s
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C)
350 m/s
done
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D)
250 m/s
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question_answer 42) A uniform rope of mass 0.1 kg and length 2.5m hangs from ceiling. The speed of transverse wave in the rope at upper end and at a point 0.5 m distance from lower end will be :
A)
\[5m/s,2.24m/s\]
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B)
\[10m/s,3.23m/s\]
done
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C)
7.5m/s
done
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D)
none of these
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question_answer 43) If the horizontal and vertical component of earths magnetic field are equal at a certain place, the angle of dip is :
A)
\[90{}^\circ \]
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B)
\[60{}^\circ \]
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C)
\[45{}^\circ \]
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D)
\[0{}^\circ \]
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question_answer 44) A wire of length L and cross-sectional area A is made of a material of Youngs modulus Y. If the wire is stretched by the amount x. The work done is :
A)
\[\frac{YA{{x}^{2}}}{2L}\]
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B)
\[\frac{YA{{x}^{2}}}{L}\]
done
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C)
\[Ya{{x}^{2}}L\]
done
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D)
\[\frac{Yax}{2L}\]
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question_answer 45) The length of an astronomical telescope for normal vision (relaxed eye) will be :
A)
\[{{f}_{0}}-{{f}_{e}}\]
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B)
\[{{f}_{0}}/{{f}_{e}}\]
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C)
\[{{f}_{0}}\times {{f}_{e}}\]
done
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D)
\[{{f}_{0}}+{{f}_{e}}\]
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question_answer 46) A biconvex lens is made of material of refractive index 1.5 each of radius of curvature of lens surface is 20 cm. The focal length 10 cm to obtain a real image double the size of object will be:
A)
30 cm
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B)
10 cm
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C)
25 cm
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D)
30 cm
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question_answer 47) The distance at which an object should be placed in front of a convex lens focaI length 10 cm to obtain a real image double the size of object will be :
A)
30 cm
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B)
15 cm
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C)
5 cm
done
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D)
10 cm
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question_answer 48) In an X-ray tube, electrons bombarded the target produce X-rays of minmum wavelength\[1\overset{0}{\mathop{A}}\,\]The energy of bombarding electron will be :
A)
100 eV
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B)
14375 eV
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C)
12000 eV
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D)
12375 eV
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question_answer 49) In producing chlorine through helectrolysis, 100 kw power at 125 V is being consumed. The mass of chlorineper mimute liberated, will be : \[(0.367\times {{10}^{-6}}kg/coulomb)\]
A)
\[17.61\times {{10}^{-3}}kg\]
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B)
\[10.61\times {{10}^{-3}}kg\]
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C)
\[12.61\times {{10}^{-3}}kg\]
done
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D)
none of these
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question_answer 50)
The current voltage graph for a given metallic wire at two different temperatures\[{{T}_{1}}\] and \[{{T}_{2}}\] are shown in given figure, which of the relation is correct form the following?
A)
\[{{T}_{2}}>{{T}_{1}}\]
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B)
\[{{T}_{1}}>{{T}_{2}}\]
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C)
\[{{T}_{1}}={{T}_{2}}\]
done
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D)
none of these
done
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question_answer 51) When \[C{{H}_{3}}COOH\] reacts with \[C{{H}_{3}}-MgX:\]
A)
\[C{{H}_{3}}COX\] is formed
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B)
hydrocarbon is formed
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C)
acetone is formed
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D)
alcohol is formed
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question_answer 52) A cyclic hydrocarbon molecule has all the carbon and hydrogen in a single plane. All the carbon-carbon bonds are of same length, less then \[1.54\overset{\text{o}}{\mathop{\text{A}}}\,\], but more than \[1.34\overset{\text{o}}{\mathop{\text{A}}}\,\]. The \[C-C\] bond angle will be:
A)
\[{{109}^{o}}28\]
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B)
\[{{100}^{o}}\]
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C)
\[{{180}^{o}}\]
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D)
\[{{120}^{o}}\]
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question_answer 53) Which will reduce zinc oxide to zinc?
A)
\[Mg\]
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B)
\[Pb\]
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C)
\[Cu\]
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D)
\[Fe\]
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question_answer 54) Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use? \[{{K}_{sp}}(AgCl)=1.8\times {{10}^{-10}}\] \[{{K}_{sp}}(AgBr)=5.0\times {{10}^{-13}}\] \[{{K}_{sp}}(A{{g}_{2}}Cr{{O}_{4}})=2.4\times {{10}^{-12}}\]
A)
\[AgCl\]
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B)
\[AgBr\]
done
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C)
\[A{{g}_{2}}Cr{{O}_{4}}\]
done
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D)
Any of these
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question_answer 55) By Wurtz reaction, a mixture of methyl iodide and ethyl iodide gives:
A)
butane
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B)
ethane
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C)
propane
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D)
A mixture of the above three
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question_answer 56) Addition of \[SnC{{l}_{2}}\] to \[HgC{{l}_{2}}\] gives ppt:
A)
white turning to red
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B)
white turning to grey
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C)
black fuming to white
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D)
none
done
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question_answer 57) In fermentation by zymase, alcohol, and \[C{{O}_{2}}\] are obtained from:
A)
invert sugar
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B)
glucose
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C)
fructose
done
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D)
all
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question_answer 58) The stability of ferric ion is due to:
A)
half filled f-orbital
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B)
half filled d-orbitals
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C)
completely filled f-orbital
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D)
completely filled d-orbital
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question_answer 59) Electron affinity is positive, when:
A)
O changes into \[{{O}^{-}}\]
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B)
\[{{O}^{-}}\] changes into \[{{O}^{2-}}\]
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C)
O changes into \[{{O}^{+}}\]
done
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D)
electron affinity is always negative
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question_answer 60) lonisation potential for a noble gas is:
A)
maximum in a period
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B)
minimum in a period
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C)
either minimum or maximum
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D)
constant
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question_answer 61) Ethyl amine on acetylation gives:
A)
N-ethyl acetamide
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B)
acetamide
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C)
methyl acetamide
done
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D)
none
done
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question_answer 62) Strongest oxidising agent among halogen is:
A)
\[{{I}_{2}}\]
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B)
\[B{{r}_{2}}\]
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C)
\[C{{l}_{2}}\]
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D)
\[{{F}_{2}}\]
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question_answer 63) Which reagent can convert acetic acid into ethanol?
A)
\[Na+alcohol\]
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B)
\[LiAI{{H}_{4}}+ether\]
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C)
\[{{H}_{2}}+Pt\]
done
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D)
\[Sn+HCl\]
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question_answer 64) In presence of moisture, \[S{{O}_{2}}\]can:
A)
act as oxidant
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B)
act as reductant
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C)
gain electron
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D)
not act as reductant
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question_answer 65) Acetals are:
A)
ketones
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B)
diethers
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C)
aldehyde
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D)
hydroxy aldehydes
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question_answer 66) The principle involved in the classification of basic radicals, is:
A)
common ion effect
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B)
solubility product
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C)
valency of radicals
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D)
strength of salt
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question_answer 67) Formation of diethyl ether from ethanol is based on a:
A)
dehydration reaction
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B)
dehydrogenation reaction
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C)
hydrogenation reaction
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D)
homolytic fission reaction
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question_answer 68) Hypo phosphorous acid, \[{{H}_{3}}P{{O}_{2}}\] is:
A)
a monobasic acid
done
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B)
a tribasic acid
done
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C)
a dibasic acid
done
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D)
not acidic at all
done
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View Answer play_arrow
question_answer 69) What is obtained when acetyl chloride is heated with benzene in presence of anhydrous \[AlC{{l}_{3}}\]?
A)
Acetyl benzoic acid
done
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B)
Anisol
done
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C)
Acetophenone
done
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D)
Chlorobenzene
done
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View Answer play_arrow
question_answer 70) Which gas is used in airated water?
A)
\[C{{O}_{2}}\]
done
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B)
\[S{{O}_{2}}\]
done
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C)
\[CO\]
done
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D)
Water vapours
done
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View Answer play_arrow
question_answer 71) The refluxing of \[{{(C{{H}_{3}})}_{2}}NCOC{{H}_{3}}\] with acid gives:
A)
\[{{(C{{H}_{3}})}_{2}}NH+C{{H}_{3}}COOH\]
done
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B)
\[{{(C{{H}_{3}})}_{2}}NCOOH+C{{H}_{4}}\]
done
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C)
\[2C{{H}_{3}}OH+C{{H}_{3}}CON{{H}_{2}}\]
done
clear
D)
\[2C{{H}_{3}}N{{H}_{2}}+C{{H}_{3}}COOH\]
done
clear
View Answer play_arrow
question_answer 72) Which is obtained on treating phenol, with dilute \[HN{{O}_{3}}\]?
A)
done
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B)
done
clear
C)
done
clear
D)
None
done
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View Answer play_arrow
question_answer 73) Solder is an alloy of lead with:
A)
copper
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B)
zinc
done
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C)
nickel
done
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D)
tin
done
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View Answer play_arrow
question_answer 74) Arrange \[NH_{4}^{+},\,{{H}_{2}}O,\,{{H}_{3}}{{O}^{+}},HF\] and \[O{{H}^{-}}\] in increasing order of acidic nature:
A)
\[{{H}_{3}}{{O}^{+}}<NH_{4}^{+}<HF<O{{H}^{-}}<{{H}_{2}}O\]
done
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B)
\[NH_{4}^{+}<HF<{{H}_{3}}{{O}^{+}}<{{H}_{2}}O<O{{H}^{-}}\]
done
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C)
\[O{{H}^{-}}<{{H}_{2}}O<NH_{4}^{+}<HF<{{H}_{3}}{{O}^{+}}\]
done
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D)
\[{{H}_{3}}{{O}^{+}}>HF>{{H}_{2}}O>NH_{4}^{+}>O{{H}^{-}}\]
done
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View Answer play_arrow
question_answer 75) Which of the following radicals, gives the apple green flame during flame test?
A)
\[B{{a}^{2+}}\]
done
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B)
\[S{{r}^{2+}}\]
done
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C)
\[C{{a}^{2+}}\]
done
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D)
\[C{{r}^{3+}}\]
done
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View Answer play_arrow
question_answer 76) When chlorine is passed through concentrated solution of \[KOH\], the compound formed is:
A)
\[KCl{{O}_{4}}\]
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B)
\[KCl{{O}_{3}}\]
done
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C)
\[KCl{{O}_{2}}\]
done
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D)
\[KClO\]
done
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View Answer play_arrow
question_answer 77) The equilibrium constant \[{{K}_{p}}\]for the reaction, \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g)\] is:
A)
more than one
done
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B)
less than one
done
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C)
equal to \[{{K}_{C}}\]
done
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D)
zero
done
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View Answer play_arrow
question_answer 78) What is the weight of oxygen that is required for the complete combustion of 2.8 kg of ethylene?
A)
\[9.6kg\]
done
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B)
\[96.0\text{ }kg\]
done
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C)
\[6.4kg\]
done
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D)
\[2.8kg\]
done
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View Answer play_arrow
question_answer 79) The metal that does not displace hydrogen from an acid is:
A)
\[Ca\]
done
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B)
\[Al\]
done
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C)
\[Zn\]
done
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D)
\[Hg\]
done
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View Answer play_arrow
question_answer 80) The decomposition of \[{{N}_{2}}{{O}_{5}}\] occurs as, \[2{{N}_{2}}{{O}_{5}}\xrightarrow{{}}4N{{O}_{2}}+{{O}_{2}}\], and follows 1st order kinetics, hence :
A)
the reaction is unimolecular
done
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B)
the reaction is bimolecular
done
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C)
\[{{t}_{1/2}}\propto {{a}^{0}}\]
done
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D)
none
done
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View Answer play_arrow
question_answer 81) Atomic radii of F and Ne, in A, are given by:
A)
\[0.72,0.71\]
done
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B)
\[0.72,1.6\]
done
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C)
\[1.6,1.58\]
done
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D)
\[0.71,0.72\]
done
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View Answer play_arrow
question_answer 82) Which pair has both members from the same period of periodic table?
A)
\[Cl,Br\]
done
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B)
\[Ca,Cl\]
done
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C)
\[Na,Ca\]
done
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D)
\[Na,Cl\]
done
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View Answer play_arrow
question_answer 83) When dilute aqueous solution of \[AgN{{O}_{3}}\] (excess) is added to \[KI\] solution, positively charged sol of \[AgI\] is formed due to adsorption of:
A)
\[NO_{3}^{-}\]
done
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B)
\[O_{2}^{-}\]
done
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C)
\[A{{g}^{+}}\]
done
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D)
\[{{K}^{+}}\]
done
clear
View Answer play_arrow
question_answer 84) Which of the following has largest ionic radius?
A)
\[C{{s}^{+}}\]
done
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B)
\[L{{i}^{+}}\]
done
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C)
\[N{{a}^{+}}\]
done
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D)
\[{{K}^{+}}\]
done
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View Answer play_arrow
question_answer 85) For \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g)\]at \[{{927}^{o}}C,\] \[\Delta H=176kJ\] mol: then is:
A)
\[180\text{ }kJ\]
done
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B)
\[186.4\text{ }kJ\]
done
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C)
\[166.0kJ\]
done
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D)
\[160\text{ }kJ\]
done
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View Answer play_arrow
question_answer 86) The charge required to liberate one gram equivalent of an element, is:
A)
96500 Faraday
done
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B)
1 Faraday
done
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C)
1 Coulomb
done
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D)
none of these
done
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View Answer play_arrow
question_answer 87) The shape of sulphate ion is:
A)
square planar
done
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B)
trigonal
done
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C)
trigonal planar
done
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D)
tetrahedral
done
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View Answer play_arrow
question_answer 88) The \[H-H\]bond energy is \[430kJ\,\,mo{{l}^{-1}}\] and \[Cl-Cl\] bond energy is \[240kJ\,mo{{l}^{-1}}\]. \[\Delta H\]for \[HCl\] is\[-90\text{ }kJ\]. The \[H-Cl\] bond energy is about:
A)
\[180\text{ }kJ\text{ }mo{{l}^{-1}}\]
done
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B)
\[360\text{ }kJ\text{ }mo{{l}^{-1}}\]
done
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C)
\[\text{213 }kJ\text{ }mo{{l}^{-1}}\]
done
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D)
\[\text{425 }kJ\text{ }mo{{l}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 89) In the equation \[{{H}_{2}}S+2HN{{O}_{3}}\xrightarrow{{}}2{{H}_{2}}O+2N{{O}_{2}}+S\] The equivalent weight of hydrogen sulphide is:
A)
18
done
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B)
68
done
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C)
34
done
clear
D)
(d 17
done
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View Answer play_arrow
question_answer 90) The energy released in an atom bomb explosion is mainly due to:
A)
release of neutrons
done
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B)
release of electrons
done
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C)
greater mass of products than initial material
done
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D)
lesser mass of products than initial material
done
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View Answer play_arrow
question_answer 91) Highest entropy is in:
A)
hydrogen
done
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B)
water
done
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C)
graphite
done
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D)
mercury
done
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View Answer play_arrow
question_answer 92) Which one will liberate \[B{{r}_{2}}\] from \[KBr\]?
A)
\[{{I}_{2}}\]
done
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B)
\[S{{O}_{2}}\]
done
clear
C)
\[HI\]
done
clear
D)
\[C{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 93) Nuclides:
A)
have specific atomic numbers
done
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B)
have same number of protons
done
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C)
have specific atomic number and mass numbers
done
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D)
are isotopes
done
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View Answer play_arrow
question_answer 94) Arrhenius equation, is:
A)
\[\Delta H=\Delta E+\Delta {{n}_{g}}RT\]
done
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B)
\[\Delta G=\Delta H-T.\Delta S\]
done
clear
C)
\[K=A.{{e}^{{{E}_{a}}/RT}}\]
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 95) In which of the following compounds, the oxidation number of iodine is fractional?
A)
\[I{{F}_{3}}\]
done
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B)
\[I{{F}_{5}}\]
done
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C)
\[I_{3}^{-}\]
done
clear
D)
\[I{{F}_{7}}\]
done
clear
View Answer play_arrow
question_answer 96) Non-directional orbital is:
A)
\[4p\]
done
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B)
\[4d\]
done
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C)
\[4f\]
done
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D)
\[3s\]
done
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View Answer play_arrow
question_answer 97) A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is:
A)
\[1\times {{10}^{-8}}\]
done
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B)
\[1\times {{10}^{-4}}\]
done
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C)
\[1\times {{10}^{-6}}\]
done
clear
D)
\[{{10}^{-5}}\]
done
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View Answer play_arrow
question_answer 98) If both oxygen and helium gases are at the same temperature, the rate of diffusion of \[{{O}_{2}}\] is very close to:
A)
4 times that of He
done
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B)
2 times that of He
done
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C)
0.35 times that of He
done
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D)
8times that of helium
done
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View Answer play_arrow
question_answer 99) A white substance having alkaline nature in solution is:
A)
\[NaN{{O}_{3}}\]
done
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B)
\[N{{H}_{4}}Cl\]
done
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C)
\[N{{a}_{2}}C{{O}_{3}}\]
done
clear
D)
\[F{{e}_{2}}{{O}_{3}}\]
done
clear
View Answer play_arrow
question_answer 100) A soluton of \[FeC{{l}_{3}}\] in water acts as acidic solution due to:
A)
hydrolysis of \[F{{e}^{3+}}\]
done
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B)
acidic impurities
done
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C)
dissociation
done
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D)
ionization
done
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View Answer play_arrow
question_answer 101) Which of the following is known as pond silk?
A)
Spirogyra
done
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B)
Uhtiirix
done
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C)
Nostoc
done
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D)
Annbaena
done
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View Answer play_arrow
question_answer 102) Which of the following is incorrectly matched?
A)
Rabbit-Microelcithal, isolecithal
done
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B)
Frog-Mesolecithal, centrolecithal
done
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C)
Human-Mesolecithal, centrolecithal
done
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D)
Birds-Macrolecithal, telolecithal
done
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View Answer play_arrow
question_answer 103) In a copulating pair of Pheretima posthuma which of the two processes take place?
A)
Internal fertilization and reciprocal fertilization
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B)
Cross fertilization and reciprocal fertilization
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C)
Reciprocal fertilization and internal fertilization
done
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D)
External fertilization and internal fertilization
done
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View Answer play_arrow
question_answer 104) A student sets up an experiment on photosynthesis as follows : He takes soda water in a glass tumbler and add achlorophyll extracts into the contents and keeps the tumbler exposed to sunlight hoping that he has provided necessary ingredients for photosynthesis to proceed (viz., \[C{{O}_{2}},\,{{H}_{2}}O\], chlorophyll and light). What do you think what will happen after, say, a few hours of exposure of light?
A)
Photosynthesis will take place and glucose will be produced
done
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B)
Photosynthesis will take place and starch will be produced which will turn the mixture turbid
done
clear
C)
Photosynthesis will not take place because \[C{{O}_{2}}\] dissolved in soda water escapes into the atmosphere
done
clear
D)
Photosynthesis will not take place because intact chloroplasts are needed for the process.
done
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View Answer play_arrow
question_answer 105) The pesticide most persistent in the soil is :
A)
DDT
done
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B)
BHC
done
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C)
dieldrin
done
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D)
baygon
done
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View Answer play_arrow
question_answer 106) An antibody is a :
A)
white corpuscle which attack invading bacteria
done
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B)
molecule that specifically inactivate an antigen
done
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C)
component of the blood
done
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D)
secrection of mammalian erythrocyte
done
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View Answer play_arrow
question_answer 107) ECG is a measure of :
A)
rate of heart beat
done
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B)
difference in electric potential
done
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C)
volume of blood pumped
done
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D)
ventricular contraction
done
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View Answer play_arrow
question_answer 108) Vitreous humor is :
A)
colloid
done
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B)
watery fluid
done
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C)
mucoid connective tissue
done
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D)
all of the above
done
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View Answer play_arrow
question_answer 109) In respiration, largest amount of energy is produced in :
A)
anaerobic respiration
done
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B)
Krebs cycle
done
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C)
glycolysis
done
clear
D)
none of the above
done
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View Answer play_arrow
question_answer 110) Torpedo is commonly known as :
A)
suckcrfish
done
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B)
electric ray
done
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C)
globefish
done
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D)
sea horse
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View Answer play_arrow
question_answer 111) Foramen of Panizzae is found in the heart of:
A)
rabbit
done
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B)
pigeon
done
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C)
crocodile
done
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D)
frog
done
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View Answer play_arrow
question_answer 112) Which one of the following pesticides is banned now-a-days?
A)
DDT
done
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B)
Eldrin
done
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C)
Aldrin
done
clear
D)
Toxaphene
done
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View Answer play_arrow
question_answer 113) Carnassial teeth are modified for :
A)
crushing
done
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B)
tearing
done
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C)
grinding
done
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D)
cutting
done
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View Answer play_arrow
question_answer 114) In the anther wall :
A)
tapetum lies between endothecium and middle layers
done
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B)
tapetum lies just inner to endothecium
done
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C)
middle layer is the between endo thecium and tapetum
done
clear
D)
endothecium lies to middle layer
done
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View Answer play_arrow
question_answer 115) Insectivorous plants grow in a soil:
A)
deficient in iron
done
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B)
rich in nitrogen
done
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C)
deficient in nitrogen
done
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D)
deficient in calcium
done
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View Answer play_arrow
question_answer 116) Aleurone grains arc rich in :
A)
fat
done
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B)
protein
done
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C)
carbohydrates
done
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D)
auxins
done
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View Answer play_arrow
question_answer 117) Meiosis can be observed in :
A)
tapetal cells
done
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B)
megaspores
done
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C)
microspores
done
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D)
spore mother cells
done
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View Answer play_arrow
question_answer 118) Which of the following is not an intermediate in Krebs cycle?
A)
Acetic acid
done
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B)
Succinyl coenzyme-A
done
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C)
Maleic acid
done
clear
D)
Citric acid
done
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View Answer play_arrow
question_answer 119) The possible beneficial aspect of grazing animals is the :
A)
removal of wild animals and pests
done
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B)
eradication of weeds
done
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C)
removal of wild plants
done
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D)
addition of their excreta into the soil
done
clear
View Answer play_arrow
question_answer 120) Carrier proteins are involved in :
A)
transport of enzymes
done
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B)
water transport
done
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C)
active transport of ions
done
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D)
passive transport of ions
done
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View Answer play_arrow
question_answer 121) McClintock is related to :
A)
plasmids
done
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B)
retroposons
done
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C)
transposons
done
clear
D)
none of the above
done
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View Answer play_arrow
question_answer 122) Chloroplasts of Spirogyra have :
A)
spiral margin
done
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B)
smooth or waxy margin
done
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C)
smooth margin
done
clear
D)
none of the above
done
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View Answer play_arrow
question_answer 123) Vascular bundles, in which phloem is found on both sides of xylem are called :
A)
collateral
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B)
bicollateral
done
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C)
radial
done
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D)
amphicribral
done
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View Answer play_arrow
question_answer 124) Aercnchyma is helpful in plants by :
A)
providing buoyancy in hydrophytes
done
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B)
absorption in stilt roots
done
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C)
giving mechanical strength to plants
done
clear
D)
giving flexibility to plants
done
clear
View Answer play_arrow
question_answer 125) Who proposed the Cohesion Theory of ascent of sap?
A)
Strasburger
done
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B)
Godlewski
done
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C)
Western
done
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D)
Dixon and Jolley
done
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question_answer 126) A child has single kidney since birth. This variation is ;
A)
hybridization
done
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B)
negative meristic
done
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C)
blastogenic
done
clear
D)
substantive
done
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View Answer play_arrow
question_answer 127) Why is CO poisonous for man?
A)
CO affects the nerves of the lungs
done
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B)
CO affects the diaphragm and intercostal muscles
done
clear
C)
CO reacts with oxygen reducing percentage of \[{{O}_{2}}\] in air
done
clear
D)
haemoglobin combines with CO instead \[{{O}_{2}}\]and the product cannot dissociate
done
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View Answer play_arrow
question_answer 128) Duct of Bellini opens on :
A)
ureter
done
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B)
renal papilla
done
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C)
duodenum
done
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D)
DCT
done
clear
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question_answer 129) Humus is essential for plant growth because :
A)
it is rich in nutrients and increases the water holding capacity of soil
done
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B)
it increases aeration of soil
done
clear
C)
it increases porocity of soil
done
clear
D)
all of the above
done
clear
View Answer play_arrow
question_answer 130) Which of the following is viviparous?
A)
Running birds
done
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B)
Whales
done
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C)
Bats
done
clear
D)
Both b and c
done
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View Answer play_arrow
question_answer 131) In short homed cattle, genes for red (R) and white (r) coat colour occur. Cross between red (R R) and white (rr) produced (Rr) roan. This is an example of:
A)
incomplete dominance
done
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B)
codominance
done
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C)
complementary genes
done
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D)
epistasis
done
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View Answer play_arrow
question_answer 132) Complex tissue includes :
A)
collenchyma
done
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B)
apical meristems
done
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C)
conducting tissue
done
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D)
idioblast
done
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View Answer play_arrow
question_answer 133) Turpentine oil is obtained from :
A)
Pinus longifolia
done
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B)
Melia azadirachta
done
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C)
Eucalyptus
done
clear
D)
all of the above
done
clear
View Answer play_arrow
question_answer 134) The sclerenchyma of the hypodermis in the Pinus needle helps in :
A)
increasing the absorptive surface of the cell
done
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B)
checking transpiration
done
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C)
mechanical support
done
clear
D)
photosynthesis
done
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View Answer play_arrow
question_answer 135) Sponges are :
A)
pelagic
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B)
free-swimming
done
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C)
planktonic
done
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D)
sessile
done
clear
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question_answer 136) Schisfosoma is a parasite found in :
A)
testes of frog
done
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B)
liver
done
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C)
intestine
done
clear
D)
blood
done
clear
View Answer play_arrow
question_answer 137) The recent model for plasma membrane proposed by Singer and Nicolson is :
A)
molecular-lipid model
done
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B)
lamellar model
done
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C)
unit membrane model
done
clear
D)
fluid mosaic model
done
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View Answer play_arrow
question_answer 138) Cells obtained from cancerous tumors are known as :
A)
hybridomas
done
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B)
myelomas
done
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C)
polyclonal cells
done
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D)
monoclonal cells
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View Answer play_arrow
question_answer 139) Significance of meiosis lies in:
A)
reduction of chromosome number to one half
done
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B)
maintaining consistancy of chromosome number during sexual reproduction
done
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C)
production of genetic variability
done
clear
D)
all of the above
done
clear
View Answer play_arrow
question_answer 140) Which is the connecting link between glycolysis and Krebs cycle?
A)
Acetyl Co-A
done
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B)
Pyruvic acid
done
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C)
Both a and b
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 141) Mark the correct sequence :
A)
Anthesis \[\xrightarrow[{}]{{}}\]Meiosis\[\xrightarrow[{}]{{}}\]Pollination\[\xrightarrow[{}]{{}}\]Syngamy
done
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B)
Pollination\[\xrightarrow[{}]{{}}\]Meiosis\[\xrightarrow[{}]{{}}\] Anthesis \[\xrightarrow[{}]{{}}\]Syngamy
done
clear
C)
Anthesis\[\xrightarrow[{}]{{}}\]Pollination\[\xrightarrow[{}]{{}}\]Meiosis \[\xrightarrow[{}]{{}}\]Syngamy
done
clear
D)
Anthesis\[\xrightarrow[{}]{{}}\]Meiosis\[\xrightarrow[{}]{{}}\]Pollination \[\xrightarrow[{}]{{}}\]Syngamy
done
clear
View Answer play_arrow
question_answer 142) The relationship between the alga Microcystis and the surrounding fauna corresponds to :
A)
ammensalism
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B)
parasitism
done
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C)
predation
done
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D)
exploitation
done
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View Answer play_arrow
question_answer 143) Lipofucsin granules are found in:
A)
nerve cell
done
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B)
cardiac muscle
done
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C)
red muscle
done
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D)
cartilage
done
clear
View Answer play_arrow
question_answer 144) Camel in its hump stores :
A)
water for emergency
done
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B)
fat for emergency
done
clear
C)
both fat and water for emergency
done
clear
D)
fat and proteins as reserve food for emergency
done
clear
View Answer play_arrow
question_answer 145) Arrangement of three successive bases in the genetic code signifies :
A)
protein
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B)
nucleic acid
done
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C)
plasmids
done
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D)
amino acids
done
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View Answer play_arrow
question_answer 146) Potato is a native of :
A)
Brazil
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B)
Peru
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C)
Panama
done
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D)
Mexico
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View Answer play_arrow
question_answer 147) The anthers in Solanaceae are :
A)
monothecus, introse
done
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B)
dithecus, extrose
done
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C)
dithecus, introse
done
clear
D)
monothecus, extrose
done
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question_answer 148) In India there is decline in female population as compared to males, this is because of :
A)
less female reach reproductive age
done
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B)
number of female children are born less as there is more chance of prenatal death in case of female child
done
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C)
female infanticide
done
clear
D)
all of the above
done
clear
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question_answer 149) During embryonic development endoskeleton and muscle develop from which germinal layer?
A)
Ectoderm
done
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B)
Endoderm
done
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C)
Mesodcrm
done
clear
D)
Blastopore
done
clear
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question_answer 150) The semen fluid consists of sperm cells and secretion from:
A)
seminal vesical, prostate gland, Cowpers gland
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B)
seminal vesicle, testis, uterus
done
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C)
seminal vesicle, prostate gland, testis
done
clear
D)
seminal vesicle, Cowpers gland and testis
done
clear
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question_answer 151) The peculiar feature of Marchantia plamata is :
A)
absence of gemma cup
done
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B)
presence of androgynous receptacles
done
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C)
absence of elaters
done
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D)
all of the above
done
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question_answer 152) Pneumatophores are positively :
A)
geotropic
done
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B)
phototropic
done
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C)
aerotropic
done
clear
D)
rheotropic
done
clear
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question_answer 153) Entry of pollen grain through micropyle is called :
A)
porogamy
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B)
chalazogamy
done
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C)
allogamy
done
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D)
geitnogamy
done
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question_answer 154) A change in the relative abundance of an allele (the allelic frequency) within a population, over a succession of generations is called :
A)
micro evolution
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B)
macro evolution
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C)
co-evolution
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D)
phylogenetic evolution
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question_answer 155) The early man whose skeleton is almost indistinguishable from that of modem man is :
A)
Neanderthal man
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B)
Peking man
done
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C)
Homo erectus
done
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D)
Cromagnon man
done
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question_answer 156) Which of these is based on magnetic resonance?
A)
EEG
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B)
CT scanning
done
clear
C)
NMR scanning
done
clear
D)
PET scanning
done
clear
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question_answer 157) Broad spectrum antibiotic :
A)
acts on all bacteria and virus
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B)
is effective in very small amount
done
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C)
acts on both pathogen and host
done
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D)
acts on a variety of pathogenic microorganisms
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question_answer 158) Tunnel vision is associated with :
A)
alcoholism
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B)
smoking
done
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C)
drug addiction
done
clear
D)
epilepsy
done
clear
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question_answer 159) In his bacteriophage experiments, Hershey and Chase demonstrated that DNA is genetic material in ;
A)
TMV
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B)
Escherichia coli
done
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C)
T2 bacteriophage
done
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D)
Diplococcic pneumonia
done
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question_answer 160) Man whose fossils were found in Shivalik hills :
A)
Ramapitheciis
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B)
Pithecanthropus
done
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C)
Australopithecus
done
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D)
Sinanthropus
done
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question_answer 161) Which of the following is autotrophic :
A)
virus
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B)
mycoplasma
done
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C)
Nostoc
done
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D)
all of these
done
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question_answer 162) Germination of pollen grain on the stigma is :
A)
in situ germination
done
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B)
in vitro germination
done
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C)
in vivo germination
done
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D)
autogamy
done
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question_answer 163) The function of tracheal hair is to :
A)
pass mucus out
done
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B)
pass mucus in
done
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C)
pass air out
done
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D)
pass air in
done
clear
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question_answer 164) In Echinodermata, tube feet are related with :
A)
locomotion
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B)
excretory system
done
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C)
respiratory system
done
clear
D)
reproductive system
done
clear
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question_answer 165) Autoradiography technique was used to :
A)
trace the path of carbon in photosynthesis
done
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B)
establish that the oxygen evolved during phtosynthesis is by photolysis of water molecule
done
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C)
study photorespiration in certain plants
done
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D)
find out the absorption maximum of chlorophyll pigments
done
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question_answer 166) Where did an epidemic bone softening disease Itai-Itai occurred first :
A)
South Korea
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B)
Japan
done
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C)
China
done
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D)
Burma
done
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question_answer 167) The trapping centre of light energy in photosystem-I is :
A)
P- 660
done
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B)
P- 700
done
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C)
P- 680
done
clear
D)
P- 630
done
clear
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question_answer 168) The membrane which allows passage of certain substances more readily than others is termed as :
A)
permeable
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B)
selectively permeable
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C)
semipermeable
done
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D)
impermeable
done
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question_answer 169) Which combination of tissues acts together to provide the support to the hypocotyl of a seedling?
A)
Epidermis and collenchyma
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B)
Xylem and parenchyma
done
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C)
Epidermis and parenchyma
done
clear
D)
Xylem and phloem fibres
done
clear
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question_answer 170) The UV radiation from sun cause reaction that produce :
A)
carbon monoxide
done
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B)
sulphur dioxide
done
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C)
ozone
done
clear
D)
fluorides
done
clear
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question_answer 171) Slow muscle fibres are found in :
A)
eye
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B)
leg
done
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C)
stomach
done
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D)
heart
done
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question_answer 172) Muscle pump is:
A)
beating of heart
done
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B)
squeezing effect of muscles upon veins running through them
done
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C)
peristaltic wave that travel along the alimentary canal
done
clear
D)
none of these
done
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question_answer 173) The magnitude of root pressure ranges between :
A)
2-5 aim
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B)
3-5 atm
done
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C)
0.1-0.2 atm
done
clear
D)
4-6 atm
done
clear
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question_answer 174) Guttation is a consequence of high :
A)
root pressure
done
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B)
transpiration pull
done
clear
C)
photosynthesis
done
clear
D)
respiration
done
clear
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question_answer 175) Which of the following part in cows stomach is specialised for microbial digestion of plant material ?
A)
Rumen
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B)
Reticulum
done
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C)
Abomasum
done
clear
D)
Both a and b
done
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question_answer 176) Which of the following is/are not an essential micro nutrient?
A)
Boron
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B)
Nickel and cadmium
done
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C)
Molybdenum
done
clear
D)
Zinc
done
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question_answer 177) Khaira disease of paddy is caused by :
A)
viral attack
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B)
Mn deficiency
done
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C)
MLO attack
done
clear
D)
Zn deficieincy
done
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question_answer 178) The gliding joints are important for. gliding movements. One example of such a joint is between the :
A)
zygapophyses of adjacent vertebrae
done
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B)
humerus and glenoid cavity
done
clear
C)
occipital condyle and odontoid process
done
clear
D)
femur and tibio fibula
done
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question_answer 179) The term hormone was given by :
A)
Starling for insulin
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B)
Starling for secretin
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C)
Byliss for insulin
done
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D)
Byliss for secretin
done
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question_answer 180) Cushings syndrome and myxodema are associated with these gland respectively :
A)
aderenal, thyroid
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B)
thyroid, adrenal
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C)
adrenal, pituitary
done
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D)
parathyroid, thyroid
done
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question_answer 181) Opening and closing of flowers represent a kind of :
A)
nastic movement
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B)
tropic movement
done
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C)
mutation
done
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D)
autonomic movement
done
clear
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question_answer 182) 2,4-D is a/an :
A)
insecticide
done
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B)
weedicide
done
clear
C)
nematicide
done
clear
D)
rodenticide
done
clear
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question_answer 183) What is the correct order of nitrogen assimilation?
A)
\[{{N}_{2}}\to N{{O}_{2}}\to N{{O}_{3}}\to N{{H}_{2}}OH\to N{{H}_{3}}\]
done
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B)
\[{{N}_{2}}\to N{{O}_{3}}\to N{{O}_{2}}\to N{{H}_{2}}OH\to N{{H}_{3}}\]
done
clear
C)
\[{{N}_{2}}\to N{{O}_{2}}\to N{{O}_{3}}\to N{{H}_{3}}\to N{{H}_{2}}OH\]
done
clear
D)
\[{{N}_{2}}\to N{{O}_{3}}\to N{{O}_{2}}\to N{{H}_{3}}\to N{{H}_{2}}OH\]
done
clear
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question_answer 184) Hormone responsible for bolting is :
A)
auxin
done
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B)
kinetins
done
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C)
ethylene
done
clear
D)
cytokinin
done
clear
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question_answer 185) Functional kidney of frog tadpole is :
A)
archipheros
done
clear
B)
pronephros
done
clear
C)
mesonephros
done
clear
D)
metanephros
done
clear
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question_answer 186) Loop of Henie is meant for absorption of:
A)
potassium
done
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B)
glucose
done
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C)
water
done
clear
D)
\[C{{O}_{2}}\]
done
clear
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question_answer 187) In dark adaptation :
A)
only cones are involved
done
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B)
only rods are involved
done
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C)
both rods and cones are involved
done
clear
D)
neither rods nor cones are involved
done
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question_answer 188) Part of ear where sound is transduced is:
A)
tympanic membrane
done
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B)
malleus, incus and stapes
done
clear
C)
semicircula canal
done
clear
D)
cochlea
done
clear
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question_answer 189) A microbial mutant requiring growth factor in addition to minimal medium is :
A)
auxotroph
done
clear
B)
heterotrophy
done
clear
C)
autotroph
done
clear
D)
syntroph
done
clear
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question_answer 190) When a plant has different types of leaves, the condition is known as :
A)
heterophilly
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B)
anisophilly
done
clear
C)
myremecophily
done
clear
D)
none of the above
done
clear
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question_answer 191) In plants glycolate metabolism takes place in :
A)
low concentration of \[C{{O}_{2}}\]
done
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B)
high concentration of \[C{{O}_{2}}\]
done
clear
C)
low concentration of oxygen
done
clear
D)
absence of oxygen
done
clear
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question_answer 192) Aristotles lantern is a characteristic of the following class of Echinodermata :
A)
Echinoidea
done
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B)
Ophinroideci
done
clear
C)
Hohfhuroidin
done
clear
D)
Aslcroidea
done
clear
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question_answer 193) The largest corpuscle in mammalian blood are :
A)
basophils
done
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B)
erythrocytes
done
clear
C)
monocytes
done
clear
D)
lymphocytes
done
clear
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question_answer 194) A fatty acid not synthesised in man is :
A)
oleic
done
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B)
linoleic
done
clear
C)
palmitoleic
done
clear
D)
stearic
done
clear
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question_answer 195) Which of the following cell organelle remains enveloped by a single unit membrane?
A)
Mitochondria
done
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B)
Lysosomes
done
clear
C)
Nucleus
done
clear
D)
Chloroplast
done
clear
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question_answer 196) The promoter region in a lac operon is d distinguishable into the following number of segments :
A)
three
done
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B)
four
done
clear
C)
two
done
clear
D)
five
done
clear
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question_answer 197) Old stem of Combretum has :
A)
inter and intra xylary phloem
done
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B)
inter and extra xylary phloem
done
clear
C)
intra and extra xylary phloem
done
clear
D)
all of the above
done
clear
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question_answer 198) Prions are :
A)
infectious nucleic acid
done
clear
B)
infectious lipids
done
clear
C)
infectious proteins
done
clear
D)
infectious nucleoproteins
done
clear
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question_answer 199) When a sea diver goes very deep he has to breathe on compressed air at high pressure. After sometime he loses his strength to work and feel drowsy. This is because of :
A)
compressed air
done
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B)
more \[C{{O}_{2}}\]diffusing into molecules
done
clear
C)
more \[{{N}_{2}}\]diffusing in blood and body fats
done
clear
D)
nervous system does not work properly
done
clear
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question_answer 200) Salivation in man is under the control of:
A)
medulla oblongata
done
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B)
mesencephalon
done
clear
C)
hypothalamus
done
clear
D)
cerebellum
done
clear
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