question_answer 1) A man weighing 100 kgwt carries a load of 10 kgwt on his head. He jumps from a tower with the load on his head. What will be the weight of the load as experienced by the man? (Take\[g=10\,\,m{{s}^{-2}}\])
A)
10 kgwt.
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B)
110 kgwt.
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C)
zero
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D)
slightly more than 10 kgwt
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question_answer 2) The temperature of an ideal gas enclosed in a chamber is raised from 300 K to 600 K. The pressure becomes two fold because:
A)
number of molecules striking the wall per unit time become 2 fold
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B)
energy transferred to walls per unit time becomes 2 fold
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C)
mean molecular velocity becomes \[\sqrt{2}\] fold
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D)
root mean square velocity becomes \[\sqrt{2}\]fold
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question_answer 3) A ball \[{{B}_{1}}\] of mass M is moving with velocity \[\upsilon \] along north. It collides with another ball \[{{B}_{2}}\] of same mass moving with velocity \[\upsilon \] along east. After the collision both balls stick together and move along north east. What will be the velocity of the combination?
A)
\[\frac{\upsilon }{\sqrt{2}}\]
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B)
\[2\upsilon \]
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C)
\[\frac{\sqrt{2}}{\upsilon }\]
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D)
\[\sqrt{2}\,\upsilon \]
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question_answer 4) Convex lens of power 4D and a concave lens of power 3D are placed in contact. What is the equivalent power of the combination?
A)
\[\frac{3}{4}D\]
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B)
\[7D\]
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C)
\[\frac{4}{3}D\]
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D)
\[1D\]
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question_answer 5) The relation between the plate potential and space charge limited plate current is given by:
A)
Child Langmuir law
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B)
Richardson Dushaman law
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C)
Flemings law
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D)
None of the above
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question_answer 6) 10 identical cells each of emf E and internal resistance r, are connected in series to form a closed circuit. An ideal voltmeter connected across 3 cells will read:
A)
7E
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B)
13E
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C)
3E
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D)
10E
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question_answer 7)
A convex lens of focal length f is cut into two parts as shown in the figure. What will the focal length of each part?
A)
\[f\]
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B)
\[\frac{f}{2}\]
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C)
\[2f\]
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D)
\[\frac{f}{4}\]
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question_answer 8) If the separation between the slits in Youngs double slit experiment is increased then the fringes:
A)
remain unchanged
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B)
become narrower
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C)
become faint
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D)
become broader
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question_answer 9) Two coherent waves of intensities 7 and \[4I\] are superimposed on each other. The intensity at the constructive interference will be:
A)
\[9I\]
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B)
\[17I\]
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C)
\[5I\]
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D)
\[3I\]
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question_answer 10) When the light passes from glass to air, there is no change in its:
A)
intensity
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B)
wavelength
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C)
frequency
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D)
velocity
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question_answer 11) Weins displacement law is useful for finding:
A)
radius of a star
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B)
temperature of a star
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C)
mass of a star
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D)
density of a star
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question_answer 12) A soap film held vertically is viewed in reflected sunlight. The observer would see a number of:
A)
horizontal coloured fringes
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B)
vertical coloured fringes
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C)
vertical white and black fringes
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D)
horizontal white and black fringes
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question_answer 13) Which of the following establishes the transverse nature of electromagnetic waves?
A)
Polarization
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B)
Refraction
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C)
Diffraction
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D)
Interference
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question_answer 14) Which of the following has the least value in the common base amplifier?
A)
voltage gain
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B)
power gain
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C)
current gain
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D)
resistance gain
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question_answer 15) The electron is accelerated through a potential difference of 10 V. The additional energy acquired by the electron is :
A)
\[1.6\times {{10}^{-19}}eV\]
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B)
\[1.6\times {{10}^{-18}}eV\]
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C)
\[1.6\times {{10}^{-18}}J\]
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D)
\[1.6\times {{10}^{-19}}J\]
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question_answer 16) The magnifying power of an astronomical telescope can be increased by:
A)
increasing the focal length of eye piece
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B)
increasing the focal length of objective and decreasing that of eye piece
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C)
decreasing the focal length of objective and increasing that of eye piece
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D)
increasing the focal length of objective
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question_answer 17) Which of the following pairs have the same dimensions?
A)
Momentum and work
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B)
Youngs modulus and surface tension
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C)
length and light year
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D)
Second and light year
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question_answer 18) Which of the following particles when moving in the magnetic field is not at all deflected from their normal path?
A)
photon
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B)
positron
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C)
electron
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D)
proton
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question_answer 19) Electric power is transmitted over long distances at high voltage because:
A)
heat produced in live wire is large
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B)
heat produced in live wire is small
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C)
current through live wire is large
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D)
potential drop is large
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question_answer 20) The voltage V and the current flowing through an instrument in an AC circuit are given by: \[\text{V=cos}\,\,\text{t}\,\text{volt,}\] \[I=2\,\sin \,\omega t\] amp The power dissipated in the instrument is:
A)
2.5 watts
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B)
zero watt
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C)
5 watts
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D)
10 watts
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question_answer 21) An AC of 50 Hz is passed through a circuit containing inductance L, resistance R and capacitance C. The current and voltage are in phase through:
A)
C
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B)
L
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C)
R
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D)
none of the above
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question_answer 22) What is the dielectric constant of a conductor?
A)
1
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B)
infinitely large
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C)
zero
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D)
less than 1
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question_answer 23) A high magnetic retentivity is essential for the construction of cores of:
A)
electromagnets
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B)
galvanometers
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C)
transformers
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D)
none of the above
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question_answer 24) The moment of inertia depends upon:
A)
angular speed
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B)
distribution of mass about the axis
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C)
nature of material of the body
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D)
torque
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question_answer 25) In the measurement of resistance by a metre bridge, the current is necessarily reversed through:
A)
error due to thermoelectric effects
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B)
random errors
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C)
end errors
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D)
the index error
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question_answer 26) The temperature of a body is doubled then its thermal conductivity:
A)
is doubled
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B)
is halved
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C)
may be increased or decreased
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D)
remains unchanged
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question_answer 27) Two cells, each of emf £ and internal resistance r, are connected in parallel across a resistor R. The power delivered to the resistor is maximum if:
A)
R = 0
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B)
R = r
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C)
R = r/2
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D)
R = 2r
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question_answer 28) Why fusion requires high temperature? At high temperature:
A)
nucleus break into constituents
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B)
atoms are ionized
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C)
molecules break into atoms
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D)
kinetic energy is high enough to overcome inter atomic repulsive forces
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question_answer 29) The kinetic energy of a particle becomes 4 times. How many times will its de-Broglie wavelength be?
A)
4
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B)
2
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C)
1/2
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D)
1/4
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question_answer 30) A player catches a cricket ball of mass 0.15 kg moving with a speed of \[20\,m{{s}^{-1}}\]. The process of catching is completed in s. The average force exerted by the player is:
A)
0.3 N
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B)
30 N
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C)
3 N
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D)
0.03 N
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question_answer 31) The \[6563\,\overset{\text{o}}{\mathop{\text{A}}}\,\] line emitted by hydrogen atom in a star is found to be red shifted by \[15\,\overset{\text{o}}{\mathop{\text{A}}}\,\]. The speed with which the star is receding from earth is:
A)
\[9.66\,\times {{10}^{9}}m/s\]
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B)
\[8.96\,\times {{10}^{7}}m/s\]
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C)
\[7.76\,\times {{10}^{8}}m/s\]
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D)
\[6.86\,\times {{10}^{5}}m/s\]
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question_answer 32) What is the coefficient of mutual inductance when the magnetic flux changes by \[3\times {{10}^{-2}}\]wb and change in the current is \[0.01\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]?
A)
8H
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B)
6 H
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C)
3 H
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D)
1.5 K
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question_answer 33) A pure semiconductor behaves slightly as a conductor at:
A)
high temperature
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B)
room temperature
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C)
low temperature
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D)
none of these
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question_answer 34) \[\beta \]-rays emitted by a radioactive material are:
A)
charged particles emitted by the nucleus
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B)
electron orbiting around the nucleus
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C)
electromagnetic radiation
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D)
neutral particle
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question_answer 35) de Broglie hypothesis treated electron as:
A)
wave
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B)
particle
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C)
both (a) and (b)
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D)
none of these
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question_answer 36) The reactance of an inductance of 0.01 H to 50 Hz A.C. is :
A)
0.5\[\Omega \]
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B)
1.20\[\Omega \]
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C)
3.14 \[\Omega \]
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D)
6.28 \[\Omega \]
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question_answer 37) What should be the length of a closed organ pipe to produce resonance with an open organ pipe of length 40 cm?
A)
20 cm
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B)
10 cm
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C)
40 cm
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D)
none of the above
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question_answer 38) A constant force acts on a body. The body moves with uniform:
A)
momentum
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B)
speed
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C)
velocity
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D)
acceleration
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question_answer 39) The characteristic of the electrons striking the target which determines the intensity of X-rays, is:
A)
energy
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B)
mass
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C)
momentum
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D)
number incident electrons per second
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question_answer 40) In Bohrs atomic model, the stationary orbits are postulated to meet the requirement:
A)
that the electrons do not radiate in stationary orbits
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B)
of classical physics
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C)
dynamic equilibrium of electron
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D)
of ionizing the atom
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question_answer 41)
What is the current in the circuit in the figure shown?
A)
\[0.10\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
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B)
\[1\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
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C)
zero \[\overset{\text{o}}{\mathop{\text{A}}}\,\]
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D)
\[{{10}^{-2}}\overset{\text{o}}{\mathop{\text{A}}}\,\]
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question_answer 42) The value of the current through an inductance of 1 H of negligible resistance, when connected through an A.C. source of 200 V and 50 Hz, is:
A)
\[1.637\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
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B)
\[2.637\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
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C)
\[2.637\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
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D)
\[0.637\overset{\text{o}}{\mathop{\text{A}}}\,\]
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question_answer 43) Quality factor of LCR circuit having resistance R and inductance L at resonance frequency \[(\omega )\] is given by:
A)
\[{{\left( \frac{\omega L}{R} \right)}^{2}}\]
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B)
\[{{\left( \frac{\omega L}{R} \right)}^{1/2}}\]
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C)
\[\frac{R}{\omega L}\]
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D)
\[\frac{\omega L}{R}\]
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question_answer 44) A siren emitting sound of frequency 500 Hz is going away from static listener with a speed of 50 m/s. The frequency of sound to be heard directly from the siren is:
A)
286.5 Hz
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B)
481.2 Hz
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C)
489.3 Hz
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D)
434.2 Hz
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question_answer 45) Impedance of circuit when a resistance R and inductor of inductance L are connected in series in an A.C. circuit of frequency \[f\] is:
A)
\[\sqrt{{{R}^{2}}+2{{\pi }^{2}}{{f}^{2}}{{L}^{2}}}\]
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B)
\[\sqrt{{{R}^{2}}+4{{\pi }^{2}}{{f}^{2}}{{L}^{2}}}\]
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C)
\[\sqrt{R+4{{\pi }^{2}}{{f}^{2}}{{L}^{2}}}\]
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D)
\[\sqrt{R+2{{\pi }^{2}}{{f}^{2}}{{L}^{2}}}\]
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question_answer 46) In an electromagnetic wave, the electric and magnetizing fields are 100 V/m and 0.265 A/m. The maximum energy flow is:
A)
\[76.5\,W/{{m}^{2}}\]
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B)
\[46.7\,W/{{m}^{2}}\]
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C)
\[36.5\,W/{{m}^{2}}\]
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D)
\[26.5\,W/{{m}^{2}}\]
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question_answer 47) If 1 g of hydrogen is converted into 0.993 g of helium in a thermonuclear reaction, the energy released in the reaction is:
A)
\[\text{63 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{20}}}\text{J}\]
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B)
\[\text{63 }\!\!\times\!\!\text{ 1}{{\text{0}}^{14}}\text{J}\]
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C)
\[\text{63 }\!\!\times\!\!\text{ 1}{{\text{0}}^{11}}\text{J}\]
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D)
\[\text{63 }\!\!\times\!\!\text{ 1}{{\text{0}}^{10}}\text{J}\]
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question_answer 48) If a 2 m long wire is moving with a velocity of 1 m/s perpendicular to a magnetic field of \[0.5\,\,wb/{{m}^{2}},\] then the emf induced in it, will be:
A)
2 V
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B)
1 V
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C)
0.5 V
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D)
0.2 V
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question_answer 49) The nucleus \[_{48}C{{d}^{115}},\] after two successive\[\text{-}\]decay, will give:
A)
\[_{50}S{{n}^{115}}\]
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B)
\[_{50}S{{n}^{113}}\]
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C)
\[_{49}S{{n}^{114}}\]
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D)
\[_{46}S{{n}^{115}}\]
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question_answer 50) During mean life of radioactive element the fraction that disintegrates is:
A)
\[e\]
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B)
\[\frac{1}{e}\]
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C)
\[\frac{e-1}{e}\]
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D)
\[\frac{e}{e-1}\]
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question_answer 51) A certain electric motor wires that carry a current of 5 A are perpendicular to a magnetic field of 0.8 tesla. The force on each cm of wire is:
A)
0.08 N
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B)
0.06 N
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C)
0.04 N
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D)
0.02 N
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question_answer 52) If the momentum of the particle is tripled, then de Broglie wavelength will:
A)
remain unchanged
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B)
become 1/3
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C)
become 6 times
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D)
become 2 times
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question_answer 53) A glass prism with refractive index 2 has refracting angle of \[30{}^\circ \]. One of the refracting surface of the prism is polished. A beam of monochromatic light will retrace its paths. If its angle of incidence over the refracting surface of, the prism is:
A)
\[60{}^\circ \]
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B)
\[45{}^\circ \]
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C)
\[30{}^\circ \]
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D)
\[0{}^\circ \]
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question_answer 54) In a nuclear reactor, the fast moving neutrons are slowed down by passing them through:
A)
kerosene
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B)
heavy water
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C)
vacuum
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D)
oil
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question_answer 55) Which radiation in sunlight, causes heating effect?
A)
visible light
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B)
ultraviolet
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C)
infrared
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D)
all of these
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question_answer 56) A man swimming under water looks at yellow coloured object outside. What will be the colour of the object as seen by man under water surface?
A)
Green
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B)
White
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C)
Yellow
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D)
Red
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question_answer 57) A body of mass 10 kg is sliding down a rough inclined plane which makes an angle of \[30{}^\circ \]with the horizontal. Given that the co-efficient of friction is 0.25. What is the acceleration of the body?
A)
\[2.78\,m{{s}^{-2}}\]
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B)
\[3.65\,m{{s}^{-2}}\]
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C)
\[5.56\,m{{s}^{-2}}\]
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D)
\[1.39\,m{{s}^{-2}}\]
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question_answer 58) In the cyclotron the frequency of rotation the charged particle is ordinarily independent of the:
A)
mass of the particle
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B)
speed of the particle
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C)
magnetic induction
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D)
charge on the particle
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question_answer 59) A motor cyclist moving with a velocity of 72 km/h on a flat road takes a turn on the road at a point where radius of curvature of road is 20 m. In order to avoid skidding, he must not bend with respect to the vertical plane by an angle \[\theta \] greater than:
A)
\[{{\tan }^{-1}}(4)\]
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B)
\[{{\tan }^{-1}}(6)\]
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C)
\[{{\tan }^{-1}}(2)\]
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D)
\[{{\tan }^{-1}}(25.92)\]
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question_answer 60) Which of the following can be derived from the law of conservation of energy?
A)
Amperes law
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B)
Coulombs law
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C)
Gausss law
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D)
Lenzs law
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question_answer 61) The chief source of iodine in which it is present as sodium iodate is:
A)
sea weeds
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B)
caliche
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C)
carnallite
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D)
iodine never exists as sodium iodate
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question_answer 62) Which of the following is the anhydride of sulphuric acid?
A)
\[{{H}_{2}}{{S}_{2}}{{O}_{7}}\]
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B)
\[S{{O}_{2}}\]
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C)
\[{{H}_{2}}{{S}_{2}}{{O}_{8}}\]
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D)
\[S{{O}_{3}}\]
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question_answer 63) Which of the following complex will give white precipitate with\[BaC{{l}_{2}}(aq.)\]?
A)
\[[Co{{(N{{H}_{3}})}_{4}}S{{O}_{4}}]N{{O}_{2}}\]
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B)
\[[Cr{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]Cl\]
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C)
\[[Cr{{(N{{H}_{3}})}_{5}}Cl]S{{O}_{4}}\]
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D)
both (b) and (c)
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question_answer 64) Which of the following metal is extracted by MacArthur Forest process?
A)
V
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B)
Ag
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C)
Cu
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D)
Ti
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question_answer 65) Copper sulphate dissolves in ammonical solution to give deep blue colour. The colour is due to the formation of:
A)
\[C{{u}^{2+}}ions\]
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B)
\[Cu{{(OH)}_{2}}\]
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C)
\[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]
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D)
none of these
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question_answer 66) All elements in \[\text{IIIA}\] group, have:
A)
an atomic number 3
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B)
3 complete sub-shell
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C)
3 valence electrons
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D)
3 electrons less than the octet
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question_answer 67) Which of the following species, is planar?
A)
\[CO_{3}^{2-}\]
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B)
\[N{{H}_{3}}\]
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C)
\[PC{{l}_{3}}\]
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D)
None of these
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question_answer 68) Which of the following element has highest ionization energy?
A)
P
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B)
S
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C)
Mg
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D)
Al
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question_answer 69) A characteristic feature of transition elements, is that:
A)
they show variable oxidation states
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B)
they do not form complex ions
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C)
they all exhibit diamagnetic character
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D)
they show poor electrical conductivity
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question_answer 70) Which of the following does not exist?
A)
\[SbC{{l}_{3}}\]
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B)
\[SbC{{l}_{5}}\]
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C)
\[BiC{{l}_{5}}\]
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D)
\[AsC{{l}_{5}}\]
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question_answer 71) Of the following ores, the one which does not contain oxygen, is:
A)
bauxite
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B)
epsom salt
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C)
cryolite
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D)
dolomite
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question_answer 72) Heavy water is used in nuclear reactors for:
A)
moderating speed of neutrons
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B)
cooling
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C)
both (a) and (b)
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D)
for transporting heat
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question_answer 73) Which of the following is most commonly used in photo-electrical cells?
A)
Francium
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B)
Silicon
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C)
Ceasium
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D)
Lithium
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question_answer 74) Which of the following ions has the highest magnetic moment?
A)
\[T{{i}^{3+}}\]
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B)
\[S{{c}^{3+}}\]
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C)
\[M{{n}^{2+}}\]
done
clear
D)
\[Z{{n}^{2+}}\]
done
clear
View Answer play_arrow
question_answer 75) Which of the following will not be able to show cis-trans isomerism?
A)
\[M{{A}_{4}}\]
done
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B)
\[M{{A}_{3}}B\]
done
clear
C)
\[M{{(AB)}_{2}}\]
done
clear
D)
\[MABCD\]
done
clear
View Answer play_arrow
question_answer 76) Yellow colored solution of \[FeC{{l}_{3}}\] changes to light green, when:
A)
\[SnC{{l}_{2}}\] is added
done
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B)
Zn is added
done
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C)
\[{{H}_{2}}S\] gas is passed
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 77) Correct order of catenation property, is:
A)
\[C>>Si>Ge\approx Sn>>Pb\]
done
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B)
\[C<Si<Ge<Sn<Pb\]
done
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C)
\[C>Si>Sn>Ge>Pb\]
done
clear
D)
none of the above
done
clear
View Answer play_arrow
question_answer 78) Which fertilizer contains maximum nitrogen?
A)
\[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\]
done
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B)
Calcium cyanamide
done
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C)
Urea
done
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D)
Ammonium nitrate
done
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question_answer 79) The energy of a photon is:
A)
directly proportional to its velocity
done
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B)
inversely proportional to the wave number
done
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C)
directly proportional to frequency
done
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D)
directly proportional to its wavelength
done
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View Answer play_arrow
question_answer 80) Two gases, ammonia and hydrogen chloride, are passed in a long glass tube from opposite ends. The white ring will be formed at:
A)
nearer to \[HCl\] end
done
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B)
nearer to ammonia end
done
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C)
throughout the length of tube
done
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D)
at the centre of the tube.
done
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View Answer play_arrow
question_answer 81) A solution of weak acid is diluted by adding an equal volume of water. Which of the following will not change?
A)
Strength of the acid
done
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B)
The value of \[[{{H}^{+}}]\]
done
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C)
pH of the solution
done
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D)
The degree of dissociation of acid
done
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question_answer 82) Which of the following is not correct for an ideal solution?
A)
\[\Delta {{S}_{mixing}}=0\]
done
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B)
\[\Delta {{H}_{mixing}}=0\]
done
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C)
\[\Delta {{V}_{mixing}}=0\]
done
clear
D)
It obeys Raoults law
done
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View Answer play_arrow
question_answer 83) Which of the-following statements about galvanic cell, is incorrect?
A)
Anode is positive
done
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B)
Cathode is positive
done
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C)
Oxidation occurs at the electrode with lower reduction potential
done
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D)
Reduction occurs at cathode
done
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View Answer play_arrow
question_answer 84) If bond energies of \[N\equiv N,\] \[H-H\]and \[N-H\] bonds are 945, 437 and 389 kJ respectively, AH for the following gaseous reaction is \[{{N}_{2}}+3{{H}_{2}}\xrightarrow{{}}2N{{H}_{3}}\]
A)
\[-78\,kJ\]
done
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B)
\[-156\,kJ\]
done
clear
C)
\[-1478\,kJ\]
done
clear
D)
\[+1478\,kJ\]
done
clear
View Answer play_arrow
question_answer 85) During a solid-liquid transition at the melting point, which is correct?
A)
\[\Delta S=0\]
done
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B)
\[\Delta H=0\]
done
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C)
\[\Delta E=0\]
done
clear
D)
none of these
done
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question_answer 86) If a gas absorbs 200 J of heat and expand by \[500\,c{{m}^{3}}\]against a constant pressure of \[2\times {{10}^{5}}N{{m}^{-2}},\] the change in internal energy is:
A)
- 300 joule
done
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B)
+100 joule
done
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C)
- 100 joule
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 87) For which of the following reaction, equilibrium constant in independent of temperature?
A)
\[PC{{l}_{5}}\rightleftharpoons PC{{l}_{5}}+C{{l}_{2}}\]
done
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B)
\[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\]
done
clear
C)
\[{{N}_{2}}+{{O}_{2}}\rightleftharpoons 2NO\]
done
clear
D)
None of the above
done
clear
View Answer play_arrow
question_answer 88) S.I. unit for pressure is:
A)
atmosphere
done
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B)
joule
done
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C)
pascal
done
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D)
torr
done
clear
View Answer play_arrow
question_answer 89) A strong beam of light passed through a colloidal solution is:
A)
scattered
done
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B)
refracted
done
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C)
reflected
done
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D)
absorbed completely
done
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View Answer play_arrow
question_answer 90) Which gas is adsorbed to maximum extent on the given surface?
A)
\[N{{H}_{3}}\]
done
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B)
\[{{H}_{2}}\]
done
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C)
\[{{N}_{2}}\]
done
clear
D)
\[{{O}_{2}}\]
done
clear
View Answer play_arrow
question_answer 91) What is \[E{}^\circ \] for electrode represented by \[Pt,\,{{H}_{2}}(1\,atm.)/2{{H}^{+}}(1\,M)\]
A)
unpredictable
done
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B)
zero
done
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C)
0.018 V
done
clear
D)
0.118 V
done
clear
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question_answer 92) Which of the following is a buffer solution?
A)
\[NaOH+NaCl\]
done
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B)
\[NaOH+N{{a}_{2}}C{{O}_{3}}\]
done
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C)
\[C{{H}_{3}}COOH+C{{H}_{3}}COONa\]
done
clear
D)
None of the above
done
clear
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question_answer 93) Which of the following has least coagulation value for arseneous sulphide solution?
A)
\[SO_{4}^{2-}\]
done
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B)
\[PO_{4}^{3-}\]
done
clear
C)
\[A{{l}^{3+}}\]
done
clear
D)
\[N{{a}^{+}}\]
done
clear
View Answer play_arrow
question_answer 94) Consider the reactions: \[C(s)+2{{H}_{2}}(g)\xrightarrow{{}}C{{H}_{4}}(g);\] \[\Delta H=-x\,kcal\] \[C(g)+4H(g)\xrightarrow{{}}C{{H}_{4}}(g);\] \[\Delta H=-\,y\,kcal\] \[C{{H}_{4}}(g)\xrightarrow{{}}C{{H}_{3}}(g)+H(g);\] \[\Delta H=+\,z\,kcal\] The bond energy of C?H bond is:
A)
\[\text{y}\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\]
done
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B)
\[z\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\]
done
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C)
\[\frac{x}{4}\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\]
done
clear
D)
\[\frac{y}{2}\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 95) Which of the following graph shows zero-order reaction kinetics?
A)
\[A\xrightarrow{{}}\]Product
done
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B)
done
clear
C)
done
clear
D)
done
clear
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question_answer 96) Which is equal to the total work done?
A)
Decrease in G
done
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B)
Decrease in A
done
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C)
Decrease in H
done
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D)
Decrease in E
done
clear
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question_answer 97) Which of the following cannot be given to exemplify chiral structure?
A)
Shoe
done
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B)
Screw
done
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C)
Screw-driver
done
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D)
None of these
done
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question_answer 98) Which of the following is expected to be optically active?
A)
\[{{(C{{H}_{3}})}_{4}}C\]
done
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B)
\[{{({{C}_{2}}{{H}_{5}})}_{2}}CH\cdot C{{H}_{3}}\]
done
clear
C)
\[{{C}_{2}}{{H}_{5}}CH(C{{H}_{3}})\cdot {{C}_{3}}{{H}_{7}}\]
done
clear
D)
\[C{{H}_{3}}CH\overline{\,\,\,\,\,\,\,}\overline{\,\,\,\,\,\,\,}CH\cdot C{{H}_{3}}\]
done
clear
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question_answer 99) The hybridisation found in ethylene is:
A)
\[sp\]
done
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B)
\[s{{p}^{2}}\]
done
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C)
\[s{{p}^{3}}\]
done
clear
D)
\[s{{p}^{3}}d\]
done
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question_answer 100) The reaction, \[C{{H}_{3}}COCl\xrightarrow[2H]{Pd/BaS{{O}_{4}}}C{{H}_{3}}CHO+HCl\] is called:
A)
Wolff-Kishner reduction
done
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B)
Clemmenson reduction
done
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C)
Rosenmunds reaction
done
clear
D)
Reformatsky reaction
done
clear
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question_answer 101) The product, when glycerol is heated with oxalic acid at \[110{}^\circ C,\]is:
A)
oxalic acid
done
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B)
acraldehyoe
done
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C)
formic acid
done
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D)
allyl alcohol
done
clear
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question_answer 102) The IUPAC name of the compound, \[{{C}_{2}}{{H}_{5}}NHCOC{{H}_{3}}\]is:
A)
N-acetyl emanamme
done
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B)
n-ethanoyl ethanamine
done
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C)
N-ethyl ethanamide
done
clear
D)
all of the above
done
clear
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question_answer 103) Aniline is usually purified by:
A)
steam distillation
done
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B)
by addition of oxalic acid
done
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C)
fractional crystallization
done
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D)
chroma to graphic technique
done
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View Answer play_arrow
question_answer 104) An organic halide, shaken with aqueous \[NaOH\] followed by the addition of dil. \[HN{{O}_{3}}\] and silver nitrate solution, gave white precipitate. The substance may be:
A)
\[{{C}_{6}}{{H}_{4}}(C{{H}_{3}})Br\]
done
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B)
\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}Cl\]
done
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C)
\[{{C}_{6}}{{H}_{5}}Cl\]
done
clear
D)
none of these
done
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question_answer 105) Which of the following statements, is not characteristic of free radical chain reaction?
A)
It gives major product derived from most stable free radical
done
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B)
It is usually sensitive to change in solvent polarity
done
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C)
It proceeds in three main steps like initiation, propagation and termination
done
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D)
It may be initiated by UV-light
done
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question_answer 106) The reagent, used for protection of amino group during the nitration of aniline is:
A)
\[SOC{{l}_{2}}\]/pyridine
done
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B)
\[PC{{l}_{5}}\]
done
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C)
acetic acid
done
clear
D)
acetic anhydride
done
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question_answer 107) What is obtained, when propanol-2 is oxidized with cone. \[HN{{O}_{3}}\]?
A)
Ethanoic acid
done
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B)
Propanone
done
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C)
Propanal
done
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D)
None of these
done
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question_answer 108) The other name for acryloitrile is:
A)
vinyl cyanide
done
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B)
cyanoethane
done
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C)
prop-2-ene-nitrile
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 109) What is obtained, when propionic acid is reduced with HI, in presence of phosphorus?
A)
Ethane
done
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B)
Propane
done
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C)
Butane
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 110) Phenol is less acidic than:
A)
acetylene
done
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B)
p-methoxy phenol
done
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C)
acetic acid
done
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D)
ethanol
done
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question_answer 111) Isomerism, due to rotation of groups around single bond of carbon-carbon, is:
A)
position isomerism
done
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B)
enantiomerism
done
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C)
diastereo-isomersim
done
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D)
conformation
done
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question_answer 112) Which of the organic compound will give red colour in Lassaigne test?
A)
\[NaCNS\]
done
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B)
\[N{{H}_{2}}CSN{{H}_{2}}\]
done
clear
C)
\[N{{H}_{2}}CON{{H}_{2}}\]
done
clear
D)
done
clear
View Answer play_arrow
question_answer 113) Formic acid and acetic acid can be distinguished by:
A)
ethyl alcohol
done
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B)
\[PC{{l}_{5}}\]
done
clear
C)
Tollens reagent
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 114) Dehydration of alcohol, in presence of cone. \[{{H}_{2}}S{{O}_{4}},\]is an example of:
A)
nucleophilic substitution
done
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B)
electrophilic substitution
done
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C)
elimination
done
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D)
electrophilic addition
done
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View Answer play_arrow
question_answer 115) A broad spectrum antibiotic is:
A)
aspirin
done
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B)
chloramphenicol
done
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C)
paracetamol
done
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D)
penicillin
done
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question_answer 116) The deficiency of vitamin D causes:
A)
lose of apetite
done
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B)
night blindness
done
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C)
ricketes
done
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D)
xerophthalmia
done
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View Answer play_arrow
question_answer 117) The monomer of PMMA is:
A)
\[C{{H}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,CHCN\]
done
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B)
\[C{{F}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,C{{F}_{2}}\]
done
clear
C)
\[C{{H}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,\overline{\,\,\,\,\,\,}COOC{{H}_{3}}\]
done
clear
D)
methyl meth-acetate
done
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View Answer play_arrow
question_answer 118) Which of the following has dipole moment?
A)
\[C{{O}_{2}}\]
done
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B)
p-dichlorobenzene
done
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C)
\[N{{H}_{3}}\]
done
clear
D)
\[C{{H}_{4}}\]
done
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question_answer 119) The wave number corresponding to 430 nm radiation, is:
A)
\[2.33\times {{10}^{4}}\,c{{m}^{-1}}\]
done
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B)
\[2.32\times {{10}^{-4}}\,c{{m}^{-1}}\]
done
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C)
\[0.233\times {{10}^{3}}\,c{{m}^{-1}}\]
done
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D)
\[23.3\times {{10}^{5}}\,c{{m}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 120) Which metal is most abundant?
A)
Iron
done
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B)
Calcium
done
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C)
Aluminium
done
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D)
Sodium
done
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question_answer 121) Gibberellins were first extracted from:
A)
Penicillium
done
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B)
Rhizopus
done
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C)
Aspergillus
done
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D)
Gibberella fujikuroi
done
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question_answer 122) Grafting is not possible in monocots because they:
A)
have scattered vascular bundles
done
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B)
are herbaceous
done
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C)
have parallel venation
done
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D)
lack cambium
done
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question_answer 123) The elbow joint is:
A)
hinge joint
done
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B)
ball and socket type
done
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C)
jointed round
done
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D)
none of these
done
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View Answer play_arrow
question_answer 124) Functional unit of mutation is:
A)
operon
done
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B)
muton
done
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C)
recon
done
clear
D)
all of these
done
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question_answer 125) Vegetables arc sources of:
A)
fats and oils
done
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B)
minerals and vitamins
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C)
fats
done
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D)
carbohydrates
done
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question_answer 126) Rickets, scurvy and poor vision are caused due to deficiency of:
A)
vitamins \[{{B}_{6}},\,{{B}_{12}}\] and A
done
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B)
vitamins D, C and A
done
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C)
vitamins \[{{B}_{12}},\,{{B}_{6}}\] and C
done
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D)
vitamins B, D and A
done
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question_answer 127) Tse-tse fly carry:
A)
Monocystis
done
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B)
Entamoeba histolytica
done
clear
C)
Trypanoma
done
clear
D)
Plasmodium vivax
done
clear
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question_answer 128) Which can regenerate into individual after it has been cut-off into pieces?
A)
Roundworm
done
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B)
Earthworm
done
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C)
Planaria
done
clear
D)
None of these
done
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question_answer 129) Cuttle fish belongs to phylum:
A)
Mollusca
done
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B)
Protozoa
done
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C)
Pisces
done
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D)
Chordata
done
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question_answer 130) Female sex organ of Rhodophyceae is called:
A)
carpogonium
done
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B)
trichogyne
done
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C)
ascogonium
done
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D)
oogonium
done
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question_answer 131) Neurospora is a suitable material for genetics because it is:
A)
can be easily cultured
done
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B)
can be multiply fast
done
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C)
haploid
done
clear
D)
all of the above
done
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question_answer 132) Linked genes are most often separated by the process of:
A)
segregation
done
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B)
gene mutations
done
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C)
polyploidy
done
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D)
crossing over
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question_answer 133) In order to determine, if an organism is homozygous dominant or heterozygous which cross is used:
A)
back cross
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B)
dihybrid cross
done
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C)
test cross
done
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D)
monohybrid cross
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question_answer 134) A pair of genes controlling pair of contrasting characters is called:
A)
allele
done
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B)
homozygous
done
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C)
heterozygous
done
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D)
recessive
done
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question_answer 135) In meiosis crossing over occurs during:
A)
tetrad stage
done
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B)
metaphase-I
done
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C)
bivalent stage
done
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D)
interphase
done
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question_answer 136) Sporophyte of Dryopteris produces:
A)
seeds
done
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B)
spores
done
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C)
gametes
done
clear
D)
none of these
done
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question_answer 137) Concentrated source of protein is:
A)
cereals
done
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B)
pulses
done
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C)
meat
done
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D)
potato
done
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question_answer 138) The best soil for crops is:
A)
clay soil
done
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B)
loam soil
done
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C)
sandy soil
done
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D)
all of these
done
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question_answer 139) D.D.T. is a:
A)
non-biodegradable pollutant
done
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B)
antibiotic
done
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C)
biodegradable pollutant
done
clear
D)
none of the above
done
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question_answer 140) In recent years there has been an increasing incidence of floods in plains of northern India because:
A)
increased area of land is being cultivated
done
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B)
the rate of silting of dams has gone up
done
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C)
there has been increase in deforestation in catchment area
done
clear
D)
none of the above
done
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View Answer play_arrow
question_answer 141) Which of the following is different?
A)
Rodent
done
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B)
Lamprey
done
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C)
Bat
done
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D)
Fish
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question_answer 142) Which of the following is not present in all the chordates?
A)
Vertebral column
done
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B)
Notochord
done
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C)
Dorsal tubular nerve cord
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 143) Blood of which of the following animals does not carry \[{{O}_{2}}\]?
A)
Frog
done
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B)
Insects
done
clear
C)
Lung fish
done
clear
D)
Earthworm
done
clear
View Answer play_arrow
question_answer 144) Heparin:
A)
is a hormone
done
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B)
prevents coagulation of blood
done
clear
C)
helps in clotting of blood
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 145) Mental retardation in children suffering from galactosemia can be avoided by giving them:
A)
milk free diet
done
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B)
more milk
done
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C)
more proteinaceous diet
done
clear
D)
milk fortified with vitamin
done
clear
View Answer play_arrow
question_answer 146) Kupffer cells are found in:
A)
stomach
done
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B)
testis
done
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C)
liver
done
clear
D)
pancreas
done
clear
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question_answer 147) Fertilization in mammals occurs in:
A)
vagina
done
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B)
uterus
done
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C)
fallopian tubes
done
clear
D)
oviduct funnel
done
clear
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question_answer 148) Which of the following has no skeleton?
A)
Star fish
done
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B)
Sponge
done
clear
C)
Butterfly
done
clear
D)
Jelly fish
done
clear
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question_answer 149) Beri-beri disease is caused due to:
A)
excess secretion from thyroid
done
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B)
excess secretion from adrenal cortex
done
clear
C)
deficiency of vitamin C
done
clear
D)
deficiency of vitamin \[{{B}_{1}}\]
done
clear
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question_answer 150) Which of the following bones in frog skull is Y-shaped?
A)
Palatine
done
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B)
Squamosal
done
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C)
Pterygoid
done
clear
D)
Parasphenoid
done
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question_answer 151) In Mirabilis jalapa when two pink flowered plants were crossed with each other, theF2 generation produced 40 red, 80 pink and 40 white flowering plants. This is a case of:
A)
incomplete dominance
done
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B)
duplicate genes
done
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C)
epistasis
done
clear
D)
lethal genes
done
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question_answer 152) Study of preservation of dead organism in liquid by chemical method is called:
A)
Dermatology
done
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B)
Urobiology
done
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C)
Chondrobiology
done
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D)
Cryobiology
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question_answer 153) Cretinism in young children is due to deficiency of:
A)
vitamin D
done
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B)
calcitonin
done
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C)
growth hormone
done
clear
D)
thyroxine
done
clear
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question_answer 154) Animal exhibiting fossil connecting link in evolution is:
A)
Sphenodon
done
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B)
Archaeopteryx
done
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C)
Limulus
done
clear
D)
Peripatus
done
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question_answer 155) Blood group are named because of agglutinogens present in:
A)
WBC
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B)
plasma
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C)
RBC
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D)
platelets
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question_answer 156) When partial pressure of \[C{{O}_{2}}\] in blood increases, the oxygen dissociation curve shifts:
A)
towards left side
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B)
remains unchanged
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C)
towards right side
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D)
none of the above
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question_answer 157) Kind of cavity in Ascaris is:
A)
pseudocoel
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B)
entrocoel
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C)
haemocoet
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D)
none of these
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question_answer 158) Farathormone deficiency in blood causes:
A)
Hypercalcemia
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B)
Hypocalemia
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C)
Hypercalemia
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D)
Hypocalcemia
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question_answer 159) In the musculo nutritive cells of Hydra, algae such as Zoochlorella are found. These live as:
A)
symbionts
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B)
commensals
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C)
parasites
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D)
saprophytes
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question_answer 160) The transference of genese from one chromosome to another is termed as:
A)
crossing over
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B)
linkage
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C)
dominance
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D)
independent assortment
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question_answer 161) Two nerves are connected through:
A)
plasmodestmata
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B)
vagus
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C)
synapse
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D)
none of these
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question_answer 162) A cell without double membrane organelles is:
A)
prokaryotic
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B)
dead
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C)
animal cell
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D)
plant cell
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question_answer 163) Superficial proteins of the plasma membrane are called:
A)
nucleoproteins
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B)
complex proteins
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C)
simple proteins
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D)
extrinsic proteins
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question_answer 164) The smaller sized, compactly arranged thylakoids of chloroplast are called:
A)
stroma
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B)
lamellae
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C)
cisternae
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D)
grana
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question_answer 165) The eukaryotic cell without endoplasmic reticulum is:
A)
RBC
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B)
egg cell
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C)
WBC
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D)
none of these
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question_answer 166) Result of reciprocal crosses are different in:
A)
monohybrid cross
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B)
cytoplasmic inheritance
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C)
nuclear inheritance
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D)
dihybrid cross
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question_answer 167) A species of Neurospora which can grow on a simple minimal medium is known as:
A)
autotroph
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B)
heterotroph
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C)
prototroph
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D)
auxotroph
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question_answer 168) The modified 15 : 1 phenotype ratio indicate:
A)
supplementary genes
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B)
complimentary genes
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C)
lethal genes
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D)
duplicate genes
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question_answer 169) Inborn errors of metabolism in human beings were first studied by:
A)
M.L. Barr
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B)
Archibald Garrod
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C)
Turpin and Gantier
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D)
none of the above
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question_answer 170) Function of typhlosole in alimentary canal of earthworm is:
A)
to slow down rate of passage of food
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B)
to increase absorptive area of intestine
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C)
has no function
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D)
to secrete a digestive juice
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question_answer 171) The waxy substance associated with the walls of cork cells or the walls of cork cells are mostly impregnated with:
A)
suberin
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B)
lignin
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C)
hemicellulose
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D)
cutin
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question_answer 172) Endosperm in Finns is:
A)
diploid
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B)
triploid
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C)
haploid
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D)
none of these
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question_answer 173) Clear cut alternation of generations is present in:
A)
Rhizopus
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B)
Aspidium
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C)
E. coli
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D)
Spirogyra
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question_answer 174) Flagellate male gametes are present in the following except:
A)
Funaria
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B)
Dryopteris
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C)
Finns
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D)
none of these
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question_answer 175) In the process of Krebs cycle:
A)
ADP is converted into ATP
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B)
pyruvic acid is converted into ATP
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C)
pyruvic acid is converted into carbon
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D)
dioxide and water glucose is converted into carbon dioxide
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question_answer 176) Mineral salts are absorbed by roots from the soil, in the form of:
A)
dilute solution
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B)
very concentrated solution
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C)
very dilute solution
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D)
concentrated solution
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question_answer 177) Stomata open at night and close during day time in:
A)
succulents
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B)
xerophytes
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C)
hydrophytes
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D)
mesophytes
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question_answer 178) Water rises in the stem due to:
A)
root pressure
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B)
atmospheric pressure
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C)
osmotic pressure
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D)
cohesion and transpiration pull
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question_answer 179) Scientist who first isolated cytokinin?
A)
Letham
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B)
Skoog
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C)
Miller
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D)
Bentham
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question_answer 180) Emasculation means:
A)
removal of anthers
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B)
removal of staminodes
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C)
killing of pollen grains
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D)
all of the above
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question_answer 181) He is a learned man so he is a shrewd teacher:
A)
incorrect word
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B)
wordiness
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C)
incorrect simile
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D)
faulty sentence
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E)
no defect
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question_answer 182) Man is encumbered in his career by a lack of confidence:
A)
incorrect word usage
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B)
faulty construction
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C)
redundant
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D)
wordiness
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E)
no defect
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question_answer 183) He menaced the owner of the house:
A)
incorrect usage
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B)
wrong construction
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C)
wordiness
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D)
redundant
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E)
no defect
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question_answer 184) He left his friend in lurch; the friend is happy because of this great act of favour:
A)
wordiness
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B)
faulty sentence
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C)
incorrect simile
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D)
incorrect usage of the idiom
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E)
no defect
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question_answer 185) Life is but a walking shadow:
A)
wordiness
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B)
inappropriate simile
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C)
faulty construction
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D)
incorrect words
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E)
no defect
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question_answer 186) Why free education for all is not enough?
A)
because education is riot meant for all
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B)
because food is more important than education
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C)
because it results in unemployment
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D)
because the educated are not fit for work
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question_answer 187) Which of the following is the most suitable title for the passage?
A)
education and rich countries
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B)
childrens education
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C)
real purpose of education
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D)
uneducated vs. educated
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question_answer 188) Which work is considered to be low by the educated?
A)
farmers work
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B)
manual work
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C)
educationists work
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D)
none of these
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question_answer 189) What purpose the sentece: We can live without education but we die if we have no food serve in the passage?
A)
It is comment on education
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B)
It is just an example to illustrate the importance of education
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C)
It is an argument to prove that education should be for life
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D)
none of these
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question_answer 190) The main idea of the passage is:
A)
people with university degree, do not do manual work
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B)
education should prepare us for life
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C)
education is a means to an end
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D)
none of these
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question_answer 191) Directions: Pick one answer choice for each italicized part which may improve the sentence. If no improvement is need mark e. When Frank, who is our president, recalled the years he was a child, he became sentimental:
A)
when Frank, out president, recalled the years he was a child, he
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B)
when Frank, who is president, recalled his childhood, he
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C)
when Frank, our president, recalled his childhood, he
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D)
recalling his childhood, Frank, our president
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question_answer 192) Directions: Pick one answer choice for each italicized part which may improve the sentence. If no improvement is need mark e. In my opinion, I think my mother she felt I hadnt ought, to come:
A)
I think my mother felt I oughtnt
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B)
In my opinion, my mother she left I oughtnt
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C)
I think my mother she felt I oughtnt
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D)
In my opinion, my mother felt I oughtnt to
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question_answer 193) Directions: Pick up from the answer choices synonyms for each of the following words given in capital letter. ACCLIMATISE:
A)
become accustomed to
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B)
predict weather
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C)
to accumulate
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D)
bed- ridden
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question_answer 194) Directions: Pick up from the answer choices synonyms for each of the following words given in capital letter. WAX:
A)
serious
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B)
cereus
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C)
grow
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D)
series
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question_answer 195) Directions: Pick up from the answer choices synonyms for each of the following words given in capital letter. SALUTARY:
A)
forceful
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B)
popular
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C)
beneficial
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D)
urgent
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question_answer 196) ASSUAGE:
A)
incite
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B)
bless
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C)
sway
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D)
advance
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question_answer 197) LUGUBRIOUS:
A)
volatile
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B)
joker
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C)
puerile
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D)
sagacious
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question_answer 198) COMMODIOUS:
A)
amity
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B)
cramped
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C)
distant
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D)
alacrity
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question_answer 199) UNPLEASANT:
A)
jacking
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B)
fortify
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C)
swollen
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D)
agreeable
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question_answer 200) BUCOLIC:
A)
urbane
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B)
circumspect
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C)
laconic
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D)
punctilious
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