Solved papers for JIPMER Jipmer Medical Solved Paper-2000

Jipmer Medical Solved Paper-2000 Total Questions - 200

1) A body of mass 10 kg is lying on a rough plane inclined at an angle of \[30{}^\circ \] to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is:

A)

914 N

B)

91.4 N

C)

9.14 N

D)

       0.914 N

View Answer
2) Two spheres of radius \[{{R}_{1}}\] and \[{{R}_{2}}\] respectively are charged and joined by a wire. The ratio of electric field of the spheres is:

A)

\[\frac{R\,_{2}^{2}}{R\,_{1}^{2}}\]

B)

\[\frac{R\,_{1}^{2}}{R\,_{2}^{2}}\]

C)

\[\frac{R{{\,}_{2}}}{R{{\,}_{1}}}\]

D)

       \[\frac{R{{\,}_{1}}}{R{{\,}_{2}}}\]

View Answer
3) Monochromatic light is refracted from air into the glass of refractive index\[\mu \]. The ratio of the wavelength of incident and refracted waves is:

A)

1:1

B)

\[\mu :1\]

C)

1:\[{{\mu }^{2}}\]

D)

\[1 :\mu \]

View Answer
4) A person cannot see objects clearly beyond 2.0 m. The power of lens required to correct his vision will be :

A)

\[-\,0.5\text{ }D\]

B)

\[+\,1.0\text{ }D\]

C)

\[-\,1.0\,D\]

D)

       \[+\,2.0\,D\]

View Answer
5) The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon\[\text{p-n}\]junctions are:

A)

drift in both forward and reverse bias

B)

diffusion in both forward and reverse bias

C)

diffusion in forward bias, drift in reverse bias

D)

drift in forward bias diffusion in reverse bias

View Answer
6) If half-life of a radioactive atom is 2.3 days, then its decay constant would be:

A)

0.2

B)

0.1

C)

2.3

D)

       0.3

View Answer
7) In Youngs double slit experiment, a mica slit of thickness t and refractive index \[\mu \] is introduced in the ray from the first source\[{{S}_{1.}}\]. By how much distance the fringes pattern will be displaced?

A)

\[\frac{D}{d}(\mu -1)\]

B)

\[\frac{d}{(\mu -1)D}\]

C)

       \[\frac{D}{d}(\mu -1)t\]

D)

       \[\frac{d}{D}(\mu -1)t\]

View Answer
8) A uniform chain of length L and mass M is lying on a smooth table and one-third of its length is hanging vertically down over the edge of the table. If g is the acceleration due to gravity, the work required to pull the hanging part on to the table is:

A)

\[\frac{MgL}{18}\]

B)

\[\frac{MgL}{9}\]

C)

\[\frac{MgL}{3}\]

D)

       \[MgL\]

View Answer
9)   A (100 W, 200V) bulb is connected to a to V power supply. The power consumption would be:

A)

80 W

B)

125 W

C)

       64 W

D)

       100 W

View Answer
10) A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to:

A)

\[{{t}^{1/2}}\]

B)

\[{{t}^{3/2}}\]

C)

\[{{t}^{2}}\]

D)

       \[{{t}^{3/4}}\]

View Answer
11) The wavelength of the energy emitted when electron come from fourth orbit to second orbit in hydrogen is \[20,397\text{ }c{{m}^{-1}}\]. The wavelength of energy for the same transition in He+ is :

A)

\[81,988c{{m}^{-1}}\]

B)

\[40,994c{{m}^{-1}}\]

C)

       \[20,497c{{m}^{-1}}\]

D)

       \[5,099\text{ }c{{m}^{-1}}\]

View Answer
12) 12.      If the binding energy per nucleon in \[L{{i}^{7}}\] and \[H{{e}^{4}}\] nuclei are respectively 5.60 MeV and 7.06 MeV, then energy of reaction             \[L{{i}^{7}}+p\xrightarrow{{}}2\,{{\,}_{2}}H{{e}^{4}}\] is:

A)

17.3 MeV

B)

8.4 MeV

C)

       2.4 MeV

D)

       19.6 MeV

View Answer
13) A convex lens of focal length 0.5 m and concave lens of focal length 1 m are combined. The power of the resulting lens will be:

A)

- 1 D

B)

0.5 D

C)

1D

D)

       - 0.5 D

View Answer
14) Half lives of two radioactive substances A and B are respectively 20 minute and 40 minute. Initially the sample of A and B have equal number of nuclei. After 80 minutes, the ratio remains in number of A and B nuclei is.

A)

4 : 1

B)

1 : 16

C)

1 : 1

D)

       1 : 4

View Answer
15) The plates of a parallel plate capacitor of capacity 50\[\mu F\] are charged to a potential of 100 volts and then separated from each other so that the distance between them is doubled. How much is the energy spent in doing so?

A)

\[\text{12}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}\]

B)

\[\text{-25 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}\]

C)

\[\text{-12}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}\]

D)

       \[\text{25 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}\]

View Answer
16) Two point charges + 3 \[\mu C\] and + 8\[\mu C\] repel each other with a force of 40 N. If a charge of - 5 \[\mu C\] is added to each of them, then the force between them will become:

A)

+10 N

B)

+20 N

C)

-20 N

D)

       -10 N

View Answer
17) Two   waves \[y=0.25\text{ }sin\,316t\] and \[y=0.25\,\sin 310\,t\] are travelling in same direction. The number of beats produced per second will be :

A)

3

B)

6

C)

\[3\pi \]

D)

       \[3/\pi \]

View Answer
18) The intensity of radiation emitted by the sun has its maximum value at a wavelength of 510 nm and that emitted by the North Star has the maximum value at 350 nm. If these stars behave like black bodies, then the ratio of the surface temperature of the sun and north star is:

A)

0.83

B)

1.21

C)

0.69

D)

       1.46

View Answer
19) The unit of luminous efficiency of electric bulb is:

A)

lumen

B)

watt

C)

lux

D)

       lumen/watt

View Answer
20) An electron having charge \[1.6\times {{10}^{-19}}\] and mass \[9\times {{10}^{-31}}kg\] is moving with \[4\times {{10}^{6}}m{{s}^{-1}}\] speed in a magnetic field \[2\times {{10}^{-1}}\] tesla in a circular orbit. The force acting on electron and the radius of the circular orbit will be:

A)

\[1.28\times {{10}^{-13}}N,\text{ }1.1\times {{10}^{-4}}m\]

B)

       \[1.28\times {{10}^{-13~~}}N,\text{ }1.1\text{ }{{10}^{-3}}m\]

C)

       \[1.28\times {{10}^{-14~}}N,\text{ }1.1\times {{10}^{-3}}m\]

D)

       \[12.8\times {{10}^{-13~}}N,\text{ }1.1\times {{10}^{-4}}m\]

View Answer
21) An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eyepiece is 36 cm and final image is formed at infinity. The focal lengths of the objective and eyepiece are respectively:

A)

20 cm, 16 cm

B)

       50 cm, 10 cm

C)

       30 cm, 6 cm

D)

       45 cm, - 9 cm

View Answer
22) The nucleus \[_{\text{48}}^{\text{115}}\text{Cd}\] after two successive\[\text{-}\]decays will give:

A)

\[_{\text{50}}^{\text{115}}\text{Sn}\]

B)

       \[_{\text{50}}^{\text{113}}\text{Sn}\]

C)

       \[_{49}^{\text{114}}\text{ln}\]

D)

       \[_{46}^{\text{115}}\text{Pa}\]

View Answer
23) The refractive index of water with respect to air is 4/3 and the refractive index of glass with respect to air is 3/2. The refractive index of water with respect to glass is:

A)

8/9

B)

       9/8

C)

       2

D)

       1/2

View Answer
24) For the structural analysis of crystals, X-rays are used because:

A)

X-rays   are   highly   penetrating radiations

B)

       wavelength of X-rays is of the order of nuclear size

C)

       X-rays have wavelength of the order of interatomic spacing

D)

       X-rays are coherent radiations

View Answer
25) 110 J of heat are added to a gaseous system whose internal energy is 40 J, then the amount of external work done is:

A)

40 J

B)

       110 J

C)

       70 J

D)

       150 J

View Answer
26) Two trains, each 50 m long are travelling in opposite direction with velocity 10 m/s and 15 m/s. The time of crossing is:

A)

\[\frac{10}{3}s\]

B)

       \[2\,s\]

C)

       \[2\sqrt{3}\,s\]

D)

       \[2\sqrt{3}\,s\]

View Answer
27) If mass of body is M on the earths surface, then the mass of the same body on the moons surface is:

A)

zero

B)

       M/6

C)

       M

D)

       none of these

View Answer
28) A spherical source of power 4 W and frequency 800 Hz is emitting sound waves. The intensity of waves at a distance 200 m is:

A)

\[\text{2 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}\]

B)

       \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{W/}{{\text{m}}^{\text{2}}}\]

C)

       \[\text{4W/}{{\text{m}}^{\text{2}}}\]

D)

       \[\text{1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}\]

View Answer
29) A body of mass 2 kg is moving with velocity 10 m/s towards east. Another body of same mass and same velocity moving towards north collides with former and coalesces and moves towards North-East. Its velocity is :

A)

5 m/s

B)

       2.5 m/s

C)

       10 m/s

D)

       5\[\sqrt{2}\] m/s

View Answer
30) A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards:

A)

0.01 m/s

B)

       1 m/s

C)

       10 m/s

D)

       0.1 m/s

View Answer
31) Which of the following formula is wrong?

A)

\[{{\text{C}}_{\text{P}}}\text{-}\,{{\text{C}}_{}}\text{=}\,\text{2}\,\text{R}\]

B)

       \[\frac{{{\text{C}}_{\text{P}}}}{{{\text{C}}_{}}}\text{=}\,\]

C)

       \[{{C}_{\upsilon }}=\frac{R}{-1}\]

D)

       \[{{C}_{\upsilon }}=\frac{R}{-1}\]

View Answer
32) The mass of the earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape velocity on the surface of earth to that on the surface of moon will be :

A)

0.39

B)

       4.81

C)

       2.57

D)

       0.2

View Answer
33) When the displacement is half the amplitude the ratio of potential energy to the total energy is:

A)

1/4

B)

       1/2

C)

       1/8

D)

       1

View Answer
34) The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volt AC is applied to the primary, the output from the secondary will be:

A)

6V

B)

       12V

C)

       24V

D)

       48V

View Answer
35) If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of:

A)

6

B)

       3

C)

       9

D)

       \[\sqrt{3}\]

View Answer
36) Four condensers are connected as shown in the given figure, the capacity of each is 8\[\mu F\]. The capacity between points X and Y will be:

A)

\[16\mu F\]

B)

       \[64\mu F\]

C)

       \[2\mu F\]

D)

       \[32\mu F\]

View Answer
37) The bob of a simple pendulum of mass and total energy \[{{\text{E}}_{\text{k}}}\] will have maximum linear momentum equal to:

A)

\[\text{ME}_{k}^{2}\]

B)

       \[\text{2mE}_{k}^{{}}\]

C)

       \[\sqrt{\frac{\text{2E}_{k}^{{}}}{m}}\]

D)

       \[\sqrt{\text{2mE}_{k}^{{}}}\]

View Answer
38) Light of wavelength of \[6000\overset{\text{o}}{\mathop{\text{A}}}\,\] has a frequency of:

A)

\[5\times {{10}^{14}}Hz\]

B)

\[5\times {{10}^{12}}Hz\]

C)

\[5\times {{10}^{15}}Hz\]

D)

\[5\times {{10}^{6}}Hz\]

View Answer
39) You are provided three bulbs of 15, 40 and 60 watt. Which of them has lowest resistance:

A)

40 watt bulb

B)

       60 watt bulb

C)

       25 watt bulb

D)

       Information is insufficient

View Answer
40) Heat produced in a wire of resistance R due to current flowing at constant potential difference, is proportional to :

A)

\[\frac{1}{{{R}^{2}}}\]

B)

       \[\frac{1}{R}\]

C)

       \[R\]

D)

       \[{{R}^{2}}\]

View Answer
41) Standing waves arc   educed in a 10 m long stretched string. If the string vibrates in 5 segments and the wave velocity is 20 m/s, the frequency is:

A)

10 Hz

B)

       5 Hz

C)

       4 Hz

D)

       2 Hz

View Answer
42) A sample of gas expands from volume \[{{V}_{1}}\] to \[{{V}_{2}}\] The amount of work done by the gas is greatest when the expansion is:

A)

isobaric

B)

       isothermal

C)

       adiabatic

D)

       equal in all cases

View Answer
43) A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vaccum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is :

A)

4.5cm,

B)

       2.3cm

C)

       7 cm

D)

       5 cm

View Answer
44) A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity of 10 rad/s. What is its linear velocity at any point on circular path?

A)

2 m/s

B)

       10 m/s

C)

       20 m/s

D)

       \[\sqrt{2}\]m/s

View Answer
45) A car of mass m is driven with acceleration a along a straight level road against a constant external resistive force R. When the velocity of the car is v, the rate at which the engine of the car is doing work, will be:

A)

\[(ma-R)\upsilon \]

B)

       \[(R+ma)\upsilon \]

C)

       \[ma\upsilon \]

D)

       \[R\upsilon \]

View Answer
46) When light of wavelength 300 nm falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however light of 600 nm wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters:

A)

1 : 4

B)

       4 : 1

C)

       2 : 1

D)

       1 : 2

View Answer
47) A spring 40 mm long is stretched by the application of a force. If 10 N force is required to stretch the spring through 1 mm, then work done in stretching the spring through 40 mm is:

A)

8 J

B)

       23 J

C)

       68 J

D)

       84 J

View Answer
48) A spring of force constant k is cut into three equal parts and then they are suspended from the same point. The force constant of the system is:

A)

k

B)

       3k

C)

       9k

D)

       \[\frac{k}{9}\]

View Answer
49) The accelerating voltage of an electron is increased to two times, its de Broglie wavelength will be:

A)

increase 2 times

B)

       decrease 0.5 times

C)

       increase 1.4 times

D)

       decrease 0.7 times

View Answer
50) The capacitance of a metallic sphere will be \[1\mu F,\] if it radius is nearly:

A)

9 km

B)

       10 m

C)

       1.11 m

D)

       1.11 cm

View Answer
51) The interference phenomenon can take place:

A)

in longitudinal waves

B)

       in standing waves only

C)

       interference waves

D)

       in all waves

View Answer
52) The energy of a photon of light of wavelength 450 nm is:

A)

\[2.5\times {{10}^{-17}}J\]

B)

       \[1.25\,\times {{10}^{-17}}J\]

C)

       \[2.5\times {{10}^{-19}}J\]

D)

       \[4.4\times {{10}^{-19}}J\]

View Answer
53) Moment of inertia of a ring of mass m = 3 gm and radius r = 1 cm about an axis passing through its edge and parallel to its natural axis is:

A)

\[1\text{ }gm\text{ }c{{m}^{2}}\]

B)

                                       \[6\text{ }gm\text{ }c{{m}^{2}}\]

C)

       \[100\text{ }gm\text{ }c{{m}^{2}}\]

D)

       \[10\text{ }gm\text{ }c{{m}^{2}}\]

View Answer
54) A bullet of mass 0.1 kg is fired with a speed of 100 m/sec, the mass of gun is 50 kg. The velocity of recoil is :

A)

0.05 m/sec

B)

                       0.5 m/sec

C)

       0.1 m/sec

D)

       0.2 m/sec

View Answer
55) At constant volume, temperature is increased. Then:

A)

collisions will be in straight lines

B)

       collisions on walls will be less

C)

       number of collisions per unit time will increase

D)

       collisions will not change

View Answer
56) Which one of the following can detect infrared radiation :

A)

ordinary photographic plate

B)

       fluorescence screen

C)

       LCR circuit

D)

       thermopile

View Answer
57) The minimum thickness of air film which appears dark when viewed under 500 nm light normally is:

A)

1000 nm

B)

                       500 nm

C)

       750 nm

D)

       250 nm

View Answer
58) The number of lines of force coming out but from + 1 coulomb is :

A)

1

B)

                                       \[1.11\times {{10}^{-10}}\]

C)

       \[1.12\times {{10}^{4}}\]

D)

       \[1.1\times {{10}^{19}}\]

View Answer
59) For a transistor \[\,\text{=}\,\text{62,}\]\[{{R}_{L}}\,\text{=}\,5000\,\Omega \text{,}\]\[{{R}_{i}}\,\text{=}\,500\,\Omega .\] Voltage amplification is:

A)

260

B)

       620

C)

       2.6

D)

       6.2

View Answer
60) A refrigerator has a coefficient of performance is 9. If the surrounding temperature is \[27{}^\circ C\]. The minimum temperature it can cool a body inside is (in\[{}^\circ C\]):

A)

3

B)

       zero

C)

       10

D)

       -3

View Answer
61) Although CO is neutral gas, yet it shows acidic nature or reaction with: (at high pressure and temperature)

A)

\[LiOH\]

B)

\[Ca{{(OH)}_{2}}\]

C)

       \[NaOH\]

D)

       \[Zn{{(OH)}_{2}}\]

View Answer
62) Which of the following has maximum hydration energy?

A)

\[N{{a}^{+}}\]

B)

       \[L{{i}^{+}}\]

C)

\[M{{g}^{2+}}\]

D)

       \[C{{a}^{2+}}\]

View Answer
63) Which species does not exist?

A)

\[{{(SiC{{l}_{6}})}^{2-}}\]

B)

       \[CCl_{6}^{2-}\]

C)

                       \[GeCl_{6}^{2-}\]

D)

       \[AlCl_{4}^{-}\]

View Answer
64) What is the weight of 1 mole atoms of Ag?

A)

10.79

B)

       107.9

C)

       108.9

D)

       none of these

View Answer
65) When \[{{H}_{2}}S\] reacts with halogens, the halogens:

A)

form sulphur halides

B)

are oxidised

C)

are reduced

D)

none of the above

View Answer
66) \[Pb{{O}_{2}}\] is:

A)

basic

B)

                                       acidic

C)

       neutral

D)

       amphoteric

View Answer
67) Nitrogen combines with hot magnesium wire to form:

A)

magnesium nitrate

B)

magnesium nitride

C)

magnesium oxide

D)

nitrosyl chloride

View Answer
68) Lead pipes are not suitable for drinking water because:

A)

lead reacts with air to form litharge

B)

lead reacts with water containing air to form \[Pb{{(OH)}_{2}}\]

C)

a layer of lead dioxide is deposited over pipes

D)

lead forms basic lead carbonate

View Answer
69) Which of the following is not oxidised by\[KMnO_{4}^{-}\]?

A)

\[C{{l}^{-}}\]

B)

       \[{{I}^{-}}\]

C)

\[B{{r}^{-}}\]

D)

       \[{{F}^{-}}\]

View Answer
70) The chief component of cement is:

A)

\[Si{{O}_{2}}\]

B)

       \[CaO\]

C)

       \[A{{l}_{2}}{{O}_{3}}\]

D)

       none of these

View Answer
71) Which metal displace hydrogen from acids?

A)

\[Hg\]

B)

       \[Ca\]

C)

\[Zn\]

D)

       \[Al\]

View Answer
72) The ionic carbide is:

A)

\[ZnC\]

B)

       \[SiC\]

C)

\[Ca{{C}_{2}}\]

D)

       \[TiC\]

View Answer
73) The most dangerous reaction of an acid is with the metal:

A)

\[Al\]

B)

       \[K\]

C)

\[Fe\]

D)

       \[Zn\]

View Answer
74) In which of the following compounds, the central atom has not completed octet?

A)

\[BeC{{l}_{2}}\]

B)

       \[C{{H}_{4}}\]

C)

       \[NaCl\]

D)

       \[{{N}_{2}}\]

View Answer
75) Which set has the same number of unpaired electrons in their ground state?

A)

\[C{{l}^{-}},F{{e}^{3+}},C{{r}^{3+}}\]

B)

       \[N{{a}^{+}},M{{g}^{2+}},Al\]

C)

       \[Na,P,Cl\]

D)

       \[N,P,V\]

View Answer
76) Uranium \[{}_{92}{{U}^{238}}\]decays into a stable isotope of:

A)

\[Np\]

B)

       \[Pb\]

C)

\[Rn\]

D)

       \[Ra\]

View Answer
77) Artificial radioactivity was discovered by:

A)

Madame Curie

B)

       Wilson

C)

       Rutherford

D)

       Soddy

View Answer
78) The de-Broglie wavelength associated with a material particle is:

A)

directly proportional to its energy

B)

directly proportional to momentum

C)

inversely proportional to its energy

D)

inversely proportional to momentum

View Answer
79) V versus T curves, at constant pressure \[{{P}_{1}}\] and \[{{P}_{2}}\] for an ideal gas are shown in figure. Which statement is correct?

A)

\[{{P}_{1}}<{{P}_{2}}\]

B)

\[{{P}_{1}}>{{P}_{2}}\]

C)

\[{{P}_{1}}={{P}_{2}}\]

D)

all of the above are correct

View Answer
80) As a result of osmosis, the volume of concentrate solution:

A)

increases

B)

decreases

C)

remains constant

D)

first increase and then decrease

View Answer
81) The pH of a 0.01 M solution of a weak acid having degree of dissociation 12.5% is:

A)

5.623

B)

2.903

C)

       4.509

D)

       3.723

View Answer
82) Which of the following is a Buffer solution?

A)

\[NaOH+NaCl\]

B)

\[KOH+KN{{O}_{3}}\]

C)

\[C{{H}_{3}}COOH+C{{H}_{3}}COONa\]

D)

all of the above

View Answer
83) Equilibrium concentration of \[HI,\,\,{{I}_{2}}\] and \[{{H}_{2}}\]are 0.7, 0.1 and 0.1 M respectively. The value of equilibrium constant for the reaction, \[{{H}_{2}}+{{I}_{2}}\rightleftharpoons 2HI\] is:

A)

36

B)

       49

C)

0.49

D)

       0.36

View Answer
84) The activation energy for a reaction is 9.0 kcal/mol. The increase in the rate constant when its temperature is increased from 298 K to 308 K is:

A)

63%

B)

       50%

C)

100%

D)

       10%

View Answer
85) The ratio of energy of photon of \[3000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] and \[6000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] wavelength radiation is:

A)

2

B)

       1/2

C)

4

D)

       1/4

View Answer
86) According to Le Chateliers principle, an increasing temperature of an endothermic reaction at equilibrium, what will happen?

A)

Heat will evolve

B)

Reaction will proceed backward

C)

Reaction will proceed forward

D)

None of the above

View Answer
87) Heat of neutralisation of the acid-base reaction is 57.32 kJ for:

A)

\[HN{{O}_{3}}+LiOH\]

B)

\[HCOOH+KOH\]

C)

\[HCl+N{{H}_{4}}OH\]

D)

\[C{{H}_{3}}COOH+NaOH\]

View Answer
88) Joule Thomson expansion is:

A)

isobaric

B)

isothermal

C)

iso-enthalpic

D)

iso-entropic

View Answer
89) The co-ordination number of bcc crystal is:

A)

8

B)

                       6

C)

4

D)

       2

View Answer
90) What is the pH for a neutral solution at the body temperature\[\left( 38{}^\circ C \right)\]?

A)

7.2

B)

       14.0

C)

6.8

D)

       6.0

View Answer
91) For a reversible reaction, \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}},\] \[{{K}_{c}}\]is \[2.37\times {{10}^{-3}}.\] If at equilibrium, \[[{{N}_{2}}]=2M,\,\,[{{H}_{2}}]=3M,\] the concentration of\[N{{H}_{3}}\]is:

A)

0.00358 M

B)

0.0358 M

C)

       3.58 M

D)

       0.358 M

View Answer
92) The volume of a gas is 100 ml at \[100{}^\circ C\]. If the pressure is kept constant, at what temperature will the gas have a volume of 200ml?

A)

\[50{}^\circ C\]

B)

       \[473{}^\circ C\]

C)

       \[446{}^\circ C\]

D)

       \[200{}^\circ C\]

View Answer
93) Which solution has the maximum pH?

A)

\[1\,M\text{-}KOH\]

B)

\[10\,M\,{{H}_{2}}S{{O}_{4}}\]

C)

Chlorine-water

D)

Water containing carbon-dioxide

View Answer
94) A reaction of first-order completed 90% in 90 minutes, hence it is completed 50% in approximately:

A)

50 minutes

B)

       54 minutes

C)

       27 minutes

D)

       62 minutes

View Answer
95) Chlorobenzene is prepared commercially by:

A)

Raschig process

B)

Wurtz-Fittig reaction

C)

Friedel-Crafts reaction

D)

Grignard reaction

View Answer
96) A mixture of camphor and benzoic acid can be easily separated by:

A)

fractional crystallization

B)

chemical method

C)

extraction with solvent

D)

sublimation

View Answer
97) Butyne-1 and butyne-2 can be distinguished by:

A)

Benedicts reagent

B)

alkaline \[KMn{{O}_{4}}\]

C)

ammonical cuprous chloride

D)

bromine water

View Answer
98) Isopropyl alcohol on passing over heated copper at \[300{}^\circ C\] gives:

A)

acetone

B)

       acetaldehyde

C)

       propylene

D)

       none of these

View Answer
99) Which of the following reacts with \[COC{{l}_{2}}\] to give phenyl isocyanate?

A)

Chlorobenzene

B)

       Nitrobenzene

C)

       Aminophenol

D)

       Aniline

View Answer
100) \[{{o}^{-}},\,{{m}^{-}}\] and p-xylenes, on oxidation with acidic \[KMn{{O}_{4}}\] gives:

A)

terphthalic acid

B)

       phthalic acid

C)

       isophthalic acid

D)

       all of these

View Answer
101) In the case of homologous series of alkanes, which one of the following statements is incorrect?

A)

The members of the series are isomers of each other

B)

The members of the series have similar chemical properties

C)

The members can be prepared by some common methods

D)

The members have the general formula \[{{C}_{n}}{{H}_{2n+2}}\]

View Answer
102) Carbanions initiates:

A)

substitution reactions

B)

addition reactions

C)

both (a) and (b)

D)

none of the above

View Answer
103) 1, 3-butadiene has:

A)

\[sp\] and \[s{{p}^{2}}\text{-}\]hybridised C-atoms

B)

\[sp\] \[s{{p}^{2}}\] and \[s{{p}^{3}}\text{-}\]hybridised C-atoms

C)

only \[s{{p}^{2}}\text{-}\] hybridised C-atoms

D)

only \[sp\]- hybridised C-atoms

View Answer
104) When HCHO is treated with \[{{C}_{6}}{{H}_{5}}CHO\] in presence of KOH, the product are:

A)

\[HCOONa\] and \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\]

B)

\[C{{H}_{3}}OH\]and \[{{C}_{6}}{{H}_{5}}COONa\]

C)

\[C{{H}_{3}}OH\]and \[{{C}_{6}}{{H}_{5}}COONa\]

D)

\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\]and \[{{C}_{6}}{{H}_{5}}COONa\]

View Answer
105) Vinyl chloride reacts with \[HCl\] to form:

A)

1, 1-dichloro ethane

B)

1, 2-dichloro ethane

C)

tetrachloro ethylene

D)

mixtures of 1, 2 and 1, 1-dichloro ethane

View Answer
106) What is the end product in the following reaction? \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\xrightarrow{HN{{O}_{2}}}A\xrightarrow{PC{{l}_{5}}}B\xrightarrow{N{{H}_{3}}}C\]

A)

Methyl amine

B)

Acetamide

C)

       Ethyl cyanide

D)

       Ethyl amine

View Answer
107) What is obtained, when aniline is sulphonated?

A)

Anthranilic acid

B)

o-amino benzene sulphonic acid

C)

Sulphanilic acid

D)

m-amino benzene sulphonic acid

View Answer
108) The product obtained, when benzene reacts with an alkyl chloride \[(RCl)\] in presence of anhydrous \[AlC{{l}_{3}}\]:

A)

\[{{C}_{6}}{{H}_{5}}AlC{{l}_{3}}\]

B)

\[{{C}_{6}}{{H}_{5}}Cl\]

C)

no reaction takes place

D)

\[{{C}_{6}}{{H}_{5}}R\]

View Answer
109) \[C{{H}_{3}}C{{H}_{2}}COOH\xrightarrow[Fe]{C{{l}_{2}}}X\xrightarrow{alc.\,KOH}Y,\]the compound \[Y\] is:

A)

\[C{{H}_{2}}==CHCOOH\]

B)

\[C{{H}_{2}}CHClCOOH\]

C)

\[C{{H}_{3}}C{{H}_{2}}CN\]

D)

\[C{{H}_{3}}C{{H}_{2}}OH\]

View Answer
110) Which of the following reactions, follows free-radical mechanism?

A)

Addition of HBr to alkene

B)

Friedel-Craffs reaction

C)

Sandmeyer reaction

D)

None of the above

View Answer
111) The correct IUPAC name of \[H--\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,--C{{H}_{2}}C{{H}_{2}}COOH\]is:

A)

2-carboxy ethanol

B)

4-formyl butanoic acid

C)

3-formyl propanoic acid

D)

3-keto propanoic acid

View Answer
112) An element X, with the electronic configuration \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}\]would be expected to form the chloride with the formula:

A)

\[XC{{l}_{3}}\]

B)

       \[XC{{l}_{2}}\]

C)

       \[XCl\]

D)

       \[{{X}_{2}}Cl\]

View Answer
113) On heating \[NaCl+{{K}_{2}}C{{r}_{2}}{{O}_{7}}+\] cone. \[{{H}_{2}}S{{O}_{4}},\] the gas comes out is:

A)

\[{{O}_{2}}\]

B)

                       \[C{{l}_{2}}\]

C)

\[CrOC{{l}_{2}}\]

D)

       \[Cr{{O}_{2}}C{{l}_{2}}\]

View Answer
114) The change in optical rotation with time, of freshly prepared solution of sugar is known as:

A)

mutor rotation

B)

rotatory motion

C)

inversion

D)

       specific rotation

View Answer
115) Night blindness is caused by the deficiency of:

A)

ascorbic acid

B)

       Calciferol

C)

       retionol

D)

       tocopherol

View Answer
116) RNA does not contain:

A)

ribose sugar

B)

       phosphate group

C)

pyridine base

D)

       none of these

View Answer
117) The pH of blood is:

A)

\[\approx 2\]

B)

       \[<7\]but \[>6\]

C)

       \[>7\] but \[<8\]

D)

       equal to 7

View Answer
118) The noble metal is:

A)

\[Na\]

B)

       \[Ag\]

C)

\[Hf\]

D)

       \[Pt\]

View Answer
119) The compound that is not a Lewis acid, is

A)

\[B{{F}_{3}}\]

B)

       \[BaC{{l}_{2}}\]

C)

       \[AlC{{l}_{3}}\]

D)

       \[SnC{{l}_{3}}\]

View Answer
120) The laws of electrolysis, were given by:

A)

Nernst

B)

       M. Berthelot

C)

       M. Faraday

D)

       Aristotle

View Answer
121) Hormones of hypothalamus are called:

A)

angiotensis

B)

trophic hormones

C)

growth hormones

D)

regulatory hormones

View Answer
122) The phenomenon of fertilization was first perceived by:

A)

Hertwig

B)

Robert Hooke

C)

     Leeuwenhoek

D)

     Weismann

View Answer
123) The mammalian follicle in ovary was first described by:

A)

Fabricius

B)

Robert Hooke

C)

     Von Baer

D)

     de Graaf

View Answer
124) Which one of the following phenomena of hereditary characters was not known to Mendel?

A)

Segregation of alleles

B)

Linkage

C)

Dominant and recessive traits

D)

Independent assortment

View Answer
125) In alkaptonuria:

A)

the urine turns black

B)

the pathway of phenylalanine metaboIism is blocked

C)

two genes for the trait are inherited

D)

all of the above

View Answer
126) Enzyme necessary for transcription is:

A)

Endonuclease

B)

RNA polymerase

C)

DNA polymerase

D)

RNA ase

View Answer
127) Dubois in 1891 found the fossil of Java ape man. It is:

A)

Homo sapiens

B)

Homo rhodesiensis

C)

Pithecanthropus erectus

D)

Sinanthropuspe kinensis

View Answer
128) Sesame oil is obtained from the seeds of:

A)

Ricinuscommunis

B)

Sesamumindicum

C)

Carthamustinctorius

D)

Brassica campestris

View Answer
129) Seshania rostrata is a bio-fertilizer crop. It contains:

A)

root nodules

B)

stem nodules

C)

both (a) and (b)

D)

none of the above

View Answer
130) Cell in the neck of archegonia of Dryopteris are in how many longitudinal orvertical rows?

A)

2

B)

8

C)

4

D)

     6

View Answer
131) Which one of the following is a fresh water sponge?

A)

Euplectella

B)

Spongilla

C)

     Euspongia

D)

     Sycon

View Answer
132) Hepatic caecae in cockroach are derived from:

A)

crop

B)

ileum

C)

midgut

D)

     gizzard

View Answer
133) In 1980, F. Sanger was awarded Nobel prize second time to be shared by Gilbert for their work on:

A)

genetic mapping

B)

determining the base sequences of DNA of a virus

C)

determining the structure of DNA

D)

determing amino acid sequence of insulin

View Answer
134) Some of the species of Selaginella perennate by means of:

A)

bulbils

B)

stem tubers

C)

     both (a) and (b)

D)

     none of these

View Answer
135) A sponge differs from all other matazoans in having:

A)

nerve cells

B)

absence of blood

C)

numerous mouthlets and one exit

D)

none of these

View Answer
136) What is the name of class to which pearl oyster belongs?

A)

Cephalopoda

B)

     Pelecypoda

C)

Gastropoda

D)

     Scapoda

View Answer
137) Male cockroach can be identified from the female by the presence of

A)

anal styles

B)

wingless body

C)

elongated abdomen

D)

long antennae

View Answer
138) The distinguishing feature of all chordates is:

A)

a water vascular system

B)

an elastic rod (notochord)

C)

achitinous exoskeleton

D)

a ventrally placed nerve cord

View Answer
139) Which of the birds cannot fly?

A)

Strok

B)

     Emu

C)

Duck

D)

     Peacock

View Answer
140) An obligate parasite is one which:

A)

always requires a living host

B)

is usually a saprophyte but can become a parasite

C)

always requires dead organic matter to survive

D)

is usually a parasite but can become a Saprophyte

View Answer
141) Fibrous roots develop in maize from:

A)

upper internodes

B)

upper nodes

C)

     lower nodes

D)

     lower internodes

View Answer
142) A tissue whose living cells form the mechanical tissue of activity growing organs and whose cell walls show cellulosic unlignified thickenings often at the corners of its cells is called:

A)

parenchyma

B)

chlorenchyman

C)

     collenchyma

D)

     sclerenchyma

View Answer
143) Eustele is present in:

A)

algae

B)

dicots

C)

bryophytes

D)

     pteridophytes

View Answer
144) Which of the following plants keep its stomata open during the night and closed during the day?

A)

Hibiscus

B)

Cactus

C)

Ivy

D)

     Water lily

View Answer
145) Which of the following is a component of middle lamella in plant cells?

A)

Fe

B)

K

C)

\[Ca\]

D)

     Mg

View Answer
146) The source of \[{{O}_{2}}\] liberated in photo-synthesis is:

A)

carbon dioxide

B)

water

C)

alcohol

D)

     none of these

View Answer
147) Vegetables are rich in:

A)

carbohydrates and fats

B)

fats and vitamins

C)

proteins and vitamins

D)

minerals and vitamins

View Answer
148) Bacillus Calmette Guerine (BCG) vaccineis anti:

A)

tuberculosis

B)

polio

C)

pneumonia

D)

     emphysema

View Answer
149) A branch of botany concerned with the classification, nomenclature and identification of plants is:

A)

Physiology

B)

Morphology

C)

     Ecology

D)

     Systematic Botany

View Answer
150) Reducing sugars possesses:

A)

ketonic group

B)

aldehyde group

C)

     carboxylic group

D)

     both a and b

View Answer
151) FAD or FMN is a coenzyme, which vitamin is incorporated in its structure:

A)

vitamin C

B)

vitamin \[{{B}_{6}}\]

C)

vitamin \[{{B}_{2}}\]

D)

vitamin \[{{B}_{1}}\]

View Answer
152) Who among the following scientists developed eytochemical technique for the presence of DNA?

A)

Johannsen

B)

Hammerling

C)

McClintock

D)

Feulgen and Rossenbeck

View Answer
153) Ribosomes of bacteria, mitochondria and chloroplasts are of:

A)

30S type

B)

70S type

C)

80S type

D)

     50S type

View Answer
154) When yeast ferments glucose the products are:

A)

ethanol and carbondioxide

B)

methanol and \[C{{O}_{2}}\]

C)

water and carbondioxide

D)

ethanol and water

View Answer
155) Anastral mitosis is the characteristic of:

A)

lower animals

B)

higher animals

C)

     higher plants

D)

     all living organisms

View Answer
156) The genetic material of bacteria is present as:

A)

spherosome

B)

genophore

C)

     lomasomes

D)

     mesosome

View Answer
157) Which of the following is an edible fungus?

A)

Neurospora

B)

Penicillium

C)

     Agaricus

D)

     Rhizopus

View Answer
158) Heterotrichous habit is shown by:

A)

Ulothrix

B)

Oedogonium

C)

     Chalmydomonas

D)

     Stigeoclonium

View Answer
159) Avena curvature test is used for biosynthesis of:

A)

auxin

B)

gibberellin

C)

     ethylene

D)

     cytokinin

View Answer
160) Largest ecosystem of the world are:

A)

forests

B)

oceans

C)

     great lakes

D)

     grasslands

View Answer
161) In a pond if there is too much wastage, then the BOD of pond will:

A)

remain same

B)

decrease

C)

     increase

D)

     both (b) and (c)

View Answer
162) Narcotic and soothing properties of tobacco is due to or harmful alkaloid contained in the leaves of tobacco is:

A)

codeine

B)

nicotine

C)

aconite

D)

     caffeine

View Answer
163) Richest source of vitamins C is:

A)

lemon

B)

orange

C)

Emblica officinalis (Amla)

D)

Capsicum fruit escence

View Answer
164) Trypanosomiasis is transmitted by:

A)

tse-tse fly

B)

sand fly

C)

louse

D)

     may fly

View Answer
165) Monocytes and neutrophils are important cells participating in:

A)

antibody production

B)

passive immunity

C)

phagocytosis

D)

     perforin production

View Answer
166) X-rays were discovered in the year:

A)

1929

B)

1906

C)

1895

D)

     1870

View Answer
167) The term antibiotic was coined by:

A)

Louis Pasteur

B)

Alexander Flemming

C)

Edward Jenner

D)

Selman Waskman

View Answer
168) Which of the following protein is present in Cartilage?

A)

Actine

B)

Chondrin

C)

     Casein

D)

     Ostein

View Answer
169) In a spadix inflorescence the spa the encloses a:

A)

umbel

B)

biparous cyme

C)

catkin

D)

     spike

View Answer
170) Gynobasic style is found in:

A)

Centella

B)

     Colocasia

C)

     Ranunculus

D)

     Ocimum

View Answer
171) A microspore mother cell forms:

A)

an ovule

B)

     pollen grains

C)

     embryosac

D)

     a pollen sac

View Answer
172) The movement of auxin is largely:

A)

acropetal

B)

centripetal

C)

     basipetal

D)

     both (a) and (c)

View Answer
173) Cartilage is produced by:

A)

chondroblasts

B)

fibroblasts

C)

epithelium

D)

     osteoblasts

View Answer
174) When coenzyme is combined with apo-enzyme it is called:

A)

vitamin A

B)

holoenzyme

C)

subtrate enzyme complex

D)

cofactor

View Answer
175) Which of the following events takes place during inspiration in rabbit?

A)

Due to contraction of external inter costal muscles and flattening of diaphragm the volume of thoracic cavity decreases

B)

The abdominal muscles contract

C)

Due to contraction of external inter costal muscles and flattening of diaphragm the volume of thoracic cavity increases

D)

The internal intercostal muscles relax

View Answer
176) Haematocrit is related with:

A)

counting number of RBC

B)

oxygen carrying capacity of haemoglobin When a sample of blood is rendered non coagulable by adding sodium oxalate and then centrifuged in haematocrit tube. RBCs sediment to the bottom of the tube and the relative volume of RBCs can be read as a percentage of blood volume. This is called Haematocrit value.

C)

cell volume when packed together

D)

amount of Hb/100 ml of blood

View Answer
177) About how many nephrons are there in each kidney of a human:

A)

1, 00, 000

B)

1, 000

C)

     200

D)

     16

View Answer
178) Glenoid cavity is present in:

A)

skull of rabbit

B)

xiphisternum

C)

     pelvic girdle

D)

     pectoral girdle

View Answer
179) Outermost covering of brain is called as:

A)

gray mater

B)

pericardium

C)

     pia mater

D)

     duramater

View Answer
180) The recapitulation theory was proposed by:

A)

E. Haeckel

B)

Harvey

C)

Lamarck

D)

     None of these

View Answer
181) Directions: Find out the miss-spelt word...

A)

trauma

B)

tinker

C)

takitum

D)

      turpitude

View Answer
182) Directions: Find out the miss-spelt word...

A)

synchronize

B)

       simulate

C)

stimulate

D)

       scoul

View Answer
183)                                                 Directions: Find out the miss-spelt word...

A)

groupie

B)

       gurantee

C)

       gubernatorial

D)

       guard-rail

View Answer
184)                                 Directions: Find out the miss-spelt word...

A)

loubrow

B)

       loutish

C)

luminosity

D)

       lumpen

View Answer
185) Directions: Find out the miss-spelt word...

A)

indefatigable

B)

      indentured

C)

       indicative

D)

      intelligentsia

View Answer
186) (A) tree (B) the (C) fell (D) The (E) from (F) boy:

A)

DFCEBA

B)

BACEDF

C)

       BFCDAE

D)

       EDACBF

View Answer
187) (A) grinded (B) to (C) the (D) a (E) train (F) halt:

A)

DEABCF

B)

       DFABCE

C)

       CEABDF

D)

       FEACBD

View Answer
188) (A) dejected (B) students (C) lot (D) the (E) a (F) were:

A)

ABFECD

B)

       EACFDB

C)

       DBFEAC

D)

       ECFDAB

View Answer
189) (A) convicted (B) court (C) of (D) murder (E) the (F) him:

A)

EDAFCB

B)

       CEDBAF

C)

FAEBCD

D)

       EBAFCD

View Answer
190) (A) vehicle (B) accosted (C) the (D) speeding (E) sergeant (F) the:

A)

FEBCDA

B)

       FBACDE

C)

       CDABFE

D)

       BFEDAC

View Answer
191) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

generates

B)

brings

C)

develops

D)

stirs

View Answer
192)                                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

flow

B)

       storm

C)

plethora

D)

       array

View Answer
193)                                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

effect

B)

       destroy

C)

ruins

D)

       affect

View Answer
194)                                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

develop

B)

       report

C)

hypothesize

D)

       relate

View Answer
195)                                                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

appears

B)

       signifies

C)

propagates

D)

       shows

View Answer
196)                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

prolonged

B)

serious

C)

any

D)

       proper

View Answer
197)                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

alarmed

B)

activated

C)

       reset

D)

       ready

View Answer
198)                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

level

B)

       program

C)

energy

D)

       sensitivity

View Answer
199)                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

alert

B)

       allergetic

C)

       sensitized

D)

       immune

View Answer
200)                                 It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A)

disturbance

B)

       whiff

C)

addition

D)

smell

View Answer

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