Solved papers for JIPMER Jipmer Medical Solved Paper-2002

Jipmer Medical Solved Paper-2002 Total Questions - 200

1) Minimum deviation is observed with a prism having angle of prism A, angle of deviation \[\delta ,\] angle of incident \[i\] and angle of emergence e, then we have generally:

A)

\[i=e\]

B)

\[i<e\]

C)

\[i>e\]

D)

       \[i=e=0\]

View Answer
2) It takes two seconds to heat water to boiling point using a 10 m length heater coil. What time will it take for the same using 5 m of heater coil connected to the same source:

A)

2 s

B)

3 s

C)

                       1 s

D)

                                       10.5 s

View Answer
3) A and B are two nails on a horizontal line. AC, BC are two uniform strings from which a weight of 100 N is suspended. The tension of AC is: (in N):

A)

100 N

B)

80 N

C)

60 N

D)

       50 N

View Answer
4) An accurate and reliable audio oscillator is used to standardize a tuning fork marked as 512 Hz. When the oscillator reading is 514 two beats are heard per second. When the oscillator reading is 510, the beat frequency is 6 Hz. The frequency of the tuning fork is:

A)

518

B)

516

C)

506

D)

       510

View Answer
5) If yellow light in the Youngs double slit experiment is replaced by red light the fringe width will:

A)

increase

B)

decrease

C)

remain unaffected

D)

first increase and then decrease

View Answer
6) The displacement y of a particle executing periodical motion is given by \[y=4\,\cos {{\,}^{2}}\left( \frac{t}{2} \right)\sin \,(1000t)\] This expression may be considered to be a result of the superposition of independent harmonic motions:

A)

five

B)

four

C)

three

D)

       two

View Answer
7) A sound wave of wavelength \[\lambda \] travels towards the right horizontally with a velocity \[\upsilon ,\]. It strikes and reflects from a vertical plane surface, travelling at a speed \[\upsilon \] towards the left. The number of positive crests striking in a time interval of these second on the wall is:

A)

\[\frac{(\upsilon -\upsilon )}{3\lambda }\]

B)

\[\frac{3(\upsilon +\upsilon )}{\lambda }\]

C)

       \[\frac{(\upsilon +\upsilon )}{3\lambda }\]

D)

       \[\frac{3(\upsilon -\upsilon )}{\lambda }\]

View Answer
8) A ray of light is incident at an angle of \[54{}^\circ \] on an equilateral prism, so that it suffers minimum deviation. The angle of minimum deviation is:

A)

\[54{}^\circ \]

B)

\[45{}^\circ \]

C)

\[48{}^\circ \]

D)

       \[50{}^\circ \]

View Answer
9) A body is projected at an angle \[\alpha \] from a point O. Its angular momentum will be zero at:

A)

the point where it touches ground

B)

another point on trajectory

C)

starting point

D)

at the maximum height

View Answer
10) Focal length of a convex lens will be maximum for:

A)

Red light

B)

yellow light

C)

       Green light

D)

       blue light

View Answer
11) One end of a copper rod of length 1.0 m and area of cross-section \[{{10}^{-3}}{{m}^{2}}\] is immersed in boiling water and the other end in ice. If the coefficient of thermal conductivity of copper is \[92\text{ }cal\text{/}m-s\text{ }{}^\circ C\] and the latent heat of ice is \[8\times {{10}^{4}}cal\text{/}kg,\] then the amount of ice which will melt in one minute is:

A)

\[8\times {{10}^{-3}}kg\]

B)

                       \[9.2\times {{10}^{-3}}kg\]

C)

       \[5.4\times {{10}^{-3}}kg\]

D)

       \[6.9\times {{10}^{-3}}kg\]

View Answer
12) Which of the following is a paramagnetic group?

A)

aluminium water and manganese

B)

oxygen manganese and aluminium

C)

only water and manganese

D)

magnesium aluminium and copper

View Answer
13) Two plane mirrors are inclined to each other ray of light incident on one face at \[30{}^\circ \] after reflection from the second retraces the path. What is the angle between the mirrors?

A)

\[40{}^\circ \]

B)

       \[60{}^\circ \]

C)

\[20{}^\circ \]

D)

       \[30{}^\circ \]

View Answer
14) A body projected with an initial velocity horizontally has kinetic energy K. If it is projected at an angle \[45{}^\circ \] the initial kinetic energy will be:

A)

0.7 K

B)

       1.41 K

C)

2K

D)

       K

View Answer
15) The amplification factor of a triode depends on the:

A)

filament voltage

B)

plate voltage

C)

grid voltage

D)

relative position of cathode grid and plate

View Answer
16) The resistivity of metal increases with increase in temperature because:

A)

the speed of the electrons in the metal ions decreases

B)

the average distance between the metal ions increases

C)

the concentration of conduction electrons increases

D)

the concentration of conduction electrons decreases

View Answer
17) If the distance of the far point for a myopia pa dent is doubled, the focal length of the lens required to cure it will become:

A)

double

B)

half

C)

the same but a concave lens

D)

the same but a convex lens

View Answer
18) Two solid spheres of iron have radii in the ratio 1 : 2, their moments of inertia will be in the ratio:

A)

1 : 32

B)

1 : 16

C)

1 : 8

D)

       1 : 4

View Answer
19) In a deflection magnetometer, the external magnet should be replaced:

A)

always in the direction of resultant of earth

B)

always with its axis along E-W

C)

along N-S in tan A position

D)

always along N-S

View Answer
20) Glaciers melt:

A)

first at the bottom due to decrease in pressure

B)

first at the top due to increase in pressure

C)

first at the bottom due to increase in pressure

D)

first at the top due to decrease in pressure

View Answer
21) S is a source. Intensity of light received at Q is P. The intensity of light received at \[{{Q}_{1}}\] as shown in figure is:

A)

0.33 P

B)

0.44 P

C)

0.25 P

D)

       0.5 P

View Answer
22) Two identical gas tanks are placed on the two pans of beam balance. One tank is empty and open to the atmosphere. The second tank is evacuated and then filled with helium unit the two tanks balance. The pressure of helium must be:

A)

1 atm

B)

4 atm

C)

15 atm

D)

       7.5 atm

View Answer
23) In figure (below) the charge on the \[1.5\,\mu F\] capacitor is:

A)

60 \[\,\mu C\]

B)

90 \[\,\mu C\]

C)

120 \[\,\mu C\]

D)

       30 \[\,\mu C\]

View Answer
24) Which of the following wave has the maximum intensity:

A)

Wavelength                       Frequency \[4\times {{10}^{-5}}\text{m}\]                                100

B)

\[4\times {{10}^{-5}}\text{m}\]                                200

C)

\[4\times {{10}^{-5}}\text{m}\]                                500

D)

\[4\times {{10}^{-5}}\text{m}\]                                5000

View Answer
25) Intensity at any point due to interference of two waves will be maximum, when path difference at that point is :

A)

\[(2n+1)\,\lambda /2\]

B)

\[\text{n}\]

C)

\[\]

D)

       \[\text{/2}\]

View Answer
26) During an experiment, an ideal gas is found to obey an additional law \[V{{P}^{2}}=\] constant. The gas is initially at a temperature T, and volume V. When it expands to a volume 2V, the temperature becomes:

A)

\[\sqrt{2}T\]

B)

T

C)

4T

D)

       2T

View Answer
27) A 10 kg body slides down on an inclined plane with a force of 10 N. The minimum force to move up the plane is: (in N)

A)

5

B)

10

C)

15

D)

       20

View Answer
28) A body starting from rest and travelling with uniform acceleration covers 8 m during the 2nd second. During the 5th second it would travel:

A)

28 m

B)

16 m

C)

20m

D)

       24m

View Answer
29) If potential difference across a capacitor is changed from 15 V to 30 V, work done is W. The work done when potential difference is changed from 30 V to 60 V, will be:

A)

W

B)

4 W

C)

3 W

D)

       2 W

View Answer
30) There are three wavelengths \[{{10}^{-8}}m,\,\,{{10}^{-2}}m\] and \[{{10}^{8}}m\]. Mark with their respective names from the following:

A)

ultraviolet, microwaves, radio waves

B)

visible rays, \[\gamma \]-rays, ultraviolet rays

C)

radio waves. X-rays, microwaves

D)

X-rays, visible rays, radio waves

View Answer
31) Which one of the following is correct?

A)

Ohm = farad per second

B)

Henry = ohm\[\times \]second

C)

Henry = farad per second2

D)

Farad = ohm per second

View Answer
32) A particle falls from infinity to the earth. Its velocity on reaching earth of radius R is:

A)

\[2Rg\]

B)

\[Rg\]

C)

\[\sqrt{Rg}\]

D)

       \[\sqrt{2Rg}\]

View Answer
33) Average number of neutrons emitted per fission is:

A)

1.5

B)

2

C)

2.5

D)

       3

View Answer
34) For a gas undergoing an adiabatic process, the relation between temperature and volume is found to be \[T{{V}^{0.4}}=\] constant. This gas must be:

A)

Hydrogen

B)

argon

C)

       carbon dioxide

D)

       helium

View Answer
35) If no heat is lost in condensation of x g of steam at \[100{}^\circ C\]. The ratio of y to x is:

A)

2.5 : 1

B)

       3 : 1

C)

2:1

D)

       1 : 1

View Answer
36) The equation of wave travelling in a string can be written as \[y=3\,\cos \,\pi \]\[(100t-x).\] Its wavelength is:

A)

2 cm

B)

5 cm

C)

100 cm

D)

       none of these

View Answer
37) You are given a metre scale and a rubber ball. Using this which of the following can you experimentally find?

A)

coefficient of restitution

B)

time taken by the ball to strike ground

C)

acceleration due to gravity

D)

modulus elasticity of rubber

View Answer
38) If there were no atmosphere, the earth would have been:

A)

very hot

B)

       very cool

C)

       cooler slightly

D)

       slightly hotter

View Answer
39) An \[\alpha \]-particle is accelerated to 1 volt. Energy of this particle will be:

A)

16000 eV

B)

8000 eV

C)

       1 eV

D)

       2 eV

View Answer
40) A ray of light enters from a rarer medium to a denser medium at an angle of incidence i. The reflected and refracted rays make an angle of \[90{}^\circ C\]with each other. The angles of reflection and refraction are r and r respectively. The critical angle of denser medium is:

A)

\[\tan {{\,}^{-1}}(\sin \,i)\]

B)

\[\tan {{\,}^{-1}}(\sin \,i)\]

C)

         \[{{\sin }^{-1}}\,{{(\tan \,i)}^{-1}}\]

D)

                       \[\sin {{\,}^{-1}}(\tan \,r)\]

View Answer
41) Critical mass of a fissionable material can be reduced by:

A)

addition impurities

B)

heating

C)

cooling

D)

surrounding with shield to reflect neutrons

View Answer
42) A galvanometer of resistance \[100\,\Omega \] gives full scale deflection for 20 mV. Find the resistance to be attached so that it gives full scale deflection of 5 V:

A)

\[24.9\times {{10}^{3}}\,\Omega \] in series

B)

\[24.9\times {{10}^{3}}\,\Omega \] in parallel

C)

\[44.9\times {{10}^{3}}\,\Omega \] in series

D)

\[44.9\times {{10}^{3}}\,\Omega \] in parallel

View Answer
43) A nuclear reactor delivers power of 10 W find fuel consumed by the reactor per hour if its efficiency is 20%. Given\[c=3\times {{10}^{8}}m/s\]:

A)

\[2\times {{10}^{-6}}\text{g/hr}\]

B)

\[9\times {{10}^{-12}}\text{g/hr}\]

C)

       \[8\times {{10}^{-9}}\text{g/hr}\]

D)

       \[2\times {{10}^{-9}}\text{g/hr}\]

View Answer
44) A particle of mass 4 kg is acted upon by steady force of 4 N distance travelled by the particle in 4 sec is:

A)

10m

B)

2m

C)

       4m

D)

       8 m

View Answer
45) A proton and a-particle are having same kinetic energy. Find the ratio of their linear momentum is:

A)

\[\sqrt{2}:2\]

B)

1 : 4

C)

1 : 2

D)

       2 : 1

View Answer
46) A particle having angular momentum A. The angular momentum becomes 4 A after 4 seconds. The torque applied is:

A)

A/4

B)

\[\frac{3A}{4}\]

C)

       3A

D)

       4A

View Answer
47) If temperature is changed from \[27{}^\circ C\] to\[327{}^\circ C\]. The ratio of K.E. molecules at two temperatures:

A)

3 : 1

B)

2 : 3

C)

2 : 1

D)

       1 : 2

View Answer
48) A wire having resistance \[2\,\Omega .\] If the length of wire is doubled the resistance will be :

A)

\[6\,\Omega \]

B)

\[2\,\Omega \]

C)

       \[8\,\Omega \]

D)

       \[4\,\Omega \]

View Answer
49) Two equal and opposite charges of \[2\times {{1}^{-10}}C\] are placed at a distance of 1 cm forming a dipole and are placed in a electric field of\[2\times {{10}^{5}}N\text{/}C\]. The maximum torque on dipole is :

A)

\[2\sqrt{2}\times {{10}^{-6}}\text{Nm}\]

B)

\[8\times {{10}^{8}}\text{Nm}\]

C)

       \[4\times {{10}^{-}}^{7}\text{Nm}\]

D)

       \[4\times {{10}^{-}}^{9}\text{Nm}\]

View Answer
50) Half-life of Ra is 1600 years if initial mass of radium is 400 g. The time after which it decays 100 gm, will be:

A)

6400 years

B)

4800 years

C)

       3200 years

D)

       1600 years

View Answer
51) The theory of an expanding universe is due to:

A)

Feynmann

B)

Eddington

C)

       Hoyle

D)

       Hubble

View Answer
52) The mass of a body of the moon is less than on earth. The gravitational force is less in moon than on the earth. Out of the given two statements:

A)

the second statement is false, the first is correct

B)

the first statement is false, the second is correct

C)

the first is caused and second is result

D)

the first statement is result, second is the case

View Answer
53) We have a source of red light and a blue light of same power. Then the red light gives photons per second :

A)

less in number and of less energy

B)

more in number and of more energy

C)

same in number but of less energy

D)

more in number but of less energy

View Answer
54) Two vessels A and B of cross-section as shown in figure contain a liquid upto the same height. As the temperature rises, the liquid pressure at the bottom (neglecting expansion of the vessels) will:

A)

A B increase in B, decrease in A

B)

increase in A, decrease in B

C)

decrease in both A and B

D)

increase in both A and B

View Answer
55) A mass m is lowered with the help of a cord of length d by a disc at a constant acceleration g/4 The work done by the cord will:

A)

\[\frac{3}{4}mgd\]

B)

\[\frac{mgd}{8}\]

C)

\[\frac{mgd}{4}\]

D)

       \[mgd\]

View Answer
56) A particle having potential energy 1/3 of the maximum value of a distant of 4 cm from a mean position. The amplitude of the motion is:

A)

\[4\sqrt{3}\]

B)

\[6\sqrt{3}\]

C)

\[2\sqrt{6}\]

D)

       \[2/\sqrt{6}\]

View Answer
57) A convex lens of 40 cm focal length is combined with a concave lens of focal length 25 cm. The power of combination is:

A)

- 1.5 D

B)

       - 6.5 D

C)

46.6 D

D)

       6.6 D

View Answer
58) If radius of the earth is reduced by 1% without changing its mass. The change in g will be:

A)

2% decrease

B)

      2% increase

C)

       1% decrease

D)

       1% increase

View Answer
59) When a particle is rotating in a circle will happen:

A)

no force is acting on particle

B)

velocity of particle is constant

C)

particle has no acceleration

D)

no work is done

View Answer
60) The equivalent capacitance in the system of capacitance will be :

A)

\[1\mu F\]

B)

                                       \[2\mu F\]

C)

\[1.5\mu F\]

D)

       \[3\mu F\]

View Answer
61) When glycerol reacts with nitric acid, in presence of cone. \[{{H}_{2}}S{{O}_{4}}\], in cold, it gives:

A)

trinitro glycerine

B)

dynamite

C)

       glycerol trinitrate

D)

none of these

View Answer
62) Rate of diffusion of gas X is twice the gas V. If molecular weight of X is 8, what is the molecular weight of Y?

A)

32

B)

       16

C)

8

D)

       none of these

View Answer
63) What is the structure of\[{{H}_{2}}O\]?

A)

Tetrahedral

B)

Pyramidal

C)

Angular

D)

       Planar

View Answer
64) Which of the following has smallest size?

A)

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

B)

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

C)

\[A{{l}^{3+}}\]

D)

       \[S{{i}^{4+}}\]

View Answer
65) The ionic product of water increases if:

A)

pressure is decreased

B)

\[{{H}^{+}}\] are added

C)

\[O{{H}^{-}}\] are added

D)

temperature is increased

View Answer
66) An element is in \[{{M}^{3+}}\] form. Its electronic configuration is \[[Ar]\,4{{s}^{1}}\]. What is the atomic number of element?

A)

21

B)

       19

C)

       24

D)

       22

View Answer
67) Green vitriol is:

A)

\[FeS{{O}_{4}}.7\,{{H}_{2}}O\]

B)

       \[FeS{{O}_{4}}.5\,{{H}_{2}}O\]

C)

                       \[CaS{{O}_{4}}.5\,{{H}_{2}}O\]

D)

       \[CaS{{O}_{4}}.7\,{{H}_{2}}O\]

View Answer
68) Milk is a colloid in which:

A)

a liquid is dispersed in liquid

B)

a solid is dispersed in liquid

C)

a gas is dispersed in liquid

D)

some sugar is dispersed in water

View Answer
69) X-rays are produced due to:

A)

bombarding of electrons on solids

B)

bombarding of \[\alpha \text{-}\]particles on solids

C)

bombarding of \[\gamma \]-rays on solids

D)

bombarding of neutrons on solids

View Answer
70) What is packing fraction of \[{}_{26}F{{e}^{56}}\]? (At. mass = 55.92066)

A)

\[+\,14.167\]

B)

       \[+\,73.90\]

C)

\[-14.167\]

D)

       \[-\,73.90\]

View Answer
71) Which of the following is not a reducing agent?

A)

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

B)

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

C)

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

D)

       \[Al\]

View Answer
72) Enthalpy of neutralization of \[N{{H}_{4}}OH\]and \[HCl\] is numerically:

A)

57.1 kJ/mol

B)

       < 57.1 kJ/mol

C)

                       > 57.1 kJ/mol

D)

       zero

View Answer
73) Pi-bond (Ti-bond) is formed:

A)

by the overlapping of atomic orbitals on the axis of nuclei

B)

by transference of electrons

C)

by sidewise overlapping of half-filled p-orbitals

D)

by overlapping of s-orbitals with p-orbitals

View Answer
74) Which one of the following molecules, has zero dipole moment?

A)

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

B)

                                       \[N{{H}_{3}}\]

C)

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

D)

       \[S{{O}_{3}}\]

View Answer
75) Which one of the following is an acidic salt?

A)

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

B)

                       \[N{{a}_{2}}S{{O}_{3}}\]

C)

       \[NaHS{{O}_{3}}\]

D)

       \[N{{a}_{2}}S{{O}_{4}}\]

View Answer
76) Which is the correct increasing order of ionization energies?

A)

\[N<O<F\]

B)

       \[F<O<N\]

C)

       \[N<F<O\]

D)

       \[O<N<F\]

View Answer
77) Who gave the law of conservation of mass?

A)

Dalton

B)

                                       Avogadro

C)

Berzilius

D)

       Hund

View Answer
78) The molecular mass of \[KMn{{O}_{4}}\] is M. The equivalent weight of \[KMn{{O}_{4}}\], when it is converted into \[KMn{{O}_{4}}\] is:

A)

\[M\]

B)

       \[\frac{M}{3}\]

C)

\[\frac{M}{5}\]

D)

       \[\frac{M}{7}\]

View Answer
79) Azeotropic mixture of \[HCl\] and water has:

A)

\[84%\text{ }HCl\]

B)

     \[22.2%\text{ }HCl\]

C)

       \[63%\text{ }HCl\]

D)

       \[20.2%\text{ }HCl\]

View Answer
80) For a reaction \[2{{N}_{2}}{{O}_{5}}\xrightarrow{{}}4N{{O}_{2}}+{{O}_{2}},\]rate and rate constant are \[1.02\times {{10}^{-4}}\]mol \[{{L}^{-1}}\,{{s}^{-1}}\] and \[3.4\times {{10}^{-5}}\,{{\sec }^{-1}}\]. The concentration of \[{{N}_{2}}{{O}_{5}}\] at that time will be:

A)

\[1.732\,mol\,{{L}^{-1}}\]

B)

       \[3\,mol\,{{L}^{-1}}\]

C)

       \[1.02\times {{10}^{-4}}\,mol\,{{L}^{-1}}\]

D)

\[3.2\times {{10}^{5}}\,mol\,{{L}^{-1}}\]

View Answer
81) Which is the strongest oxidizing agent?

A)

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

B)

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

C)

\[Z{{n}^{2+}}\]

D)

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

View Answer
82) Fatty acids are:

A)

unsaturated dicarboxylic acids

B)

long chain alkanoic acids

C)

aroma tic carboxylic acids

D)

aromatic dicarboxylic acids

View Answer
83) The IUPAC name of \[C{{H}_{3}}--\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}\,--C{{H}_{2}}--\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{CH}}\,}}\,\cdot CHO\] is:

A)

4-hydroxy-2-methyl pentanal-1

B)

2-hyroxy-4-methyl pentanal-1

C)

2-methyl pent-4-ol-1-al

D)

none of the above

View Answer
84) van der Waals gas equation for n mole gas is:

A)

\[\left( P+\frac{a}{V} \right)(V-b)=nRT\]

B)

\[\left( P+\frac{na}{V} \right)(V-nb)=nRT\]

C)

\[\left( P+\frac{{{n}^{2}}a}{{{V}^{2}}} \right)(V-nb)=nRT\]

D)

\[\left( P+\frac{na}{{{V}^{2}}} \right)(V-nb)=nRT\]

View Answer
85) The uncertainity in the momentum of an electron is \[1.0\times {{10}^{-5}}\,kg\,m{{s}^{-1}}\]. The uncertainity in its position will be: \[(h=6.62\times {{10}^{-34}}\,kg\,{{m}^{2}}{{s}^{-1}})\]

A)

\[1.05\times {{10}^{-28}}m\]

B)

\[1.05\times {{10}^{-26}}m\]

C)

       \[5.27\times {{20}^{-30}}m\]

D)

       \[5.25\times {{10}^{-28}}\,m\]

View Answer
86) \[CH\equiv \equiv CH\xrightarrow[N{{H}_{4}}OH]{AgN{{O}_{3}}}X,\]here \[X\]is:

A)

benzene

B)

       silver acetalyde

C)

cycloctatetraene

D)

      cycle hexane

View Answer
87) The most reactive hydrocabon is:

A)

ethene

B)

       ethyne

C)

       ethane

D)

       ethyl benzene

View Answer
88) \[CH\equiv \equiv CH\xrightarrow[{{H}_{2}}S{{O}_{4}}]{{{H}_{2}}O/H{{g}^{2+}}}X\xrightarrow{LiAl{{H}_{4}}}Y\xrightarrow{{{P}_{4}}/B{{r}_{2}}}Z,\] Here Z is:

A)

ethylene bromide

B)

ethanol

C)

ethyl bromide

D)

ethylidene bromide

View Answer
89) The most stable carbonium ion among these is:

A)

\[\overset{+}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{6}}{{H}_{5}}}}\,\]

B)

\[\overset{+}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{2}}}}\,\]

C)

\[\overset{+}{\mathop{C{{H}_{3}}C{{H}_{2}}}}\,\]

D)

       \[\overset{+}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{2}}}}\,\]

View Answer
90) The chloroform reacts with \[NaOH\] and methyl amine to give:

A)

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

B)

sodium oxalate

C)

       \[C{{H}_{3}}NC\]

D)

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

View Answer
91) How many isomeric forms of \[{{C}_{7}}{{H}_{9}}N\] contain a benzene ring?

A)

4

B)

5

C)

6

D)

       7

View Answer
92) Which of the following molecule contains asymmetric carbon atom?

A)

\[C{{H}_{3}}CHCl.COOH\]

B)

\[C{{H}_{3}}-C{{H}_{2}}-COOH\]

C)

\[Cl\cdot C{{H}_{2}}\cdot C{{H}_{2}}COOH\]

D)

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

View Answer
93) \[C{{H}_{3}}\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,\cdot C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Cl\xrightarrow{C{{H}_{3}}MgBr}A,\]Here A is:

A)

\[C{{H}_{3}}--\underset{OH}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,\cdot C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Cl\]

B)

\[\underset{O}{\mathop{\underset{||}{\mathop{C{{H}_{3}}CC{{H}_{2}}\cdot C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}}}\,}}\,\]

C)

D)

View Answer
94) \[{{C}_{6}}{{H}_{5}}\cdot C{{H}_{3}}\xrightarrow[{{H}_{2}}S{{O}_{4}}]{{{K}_{2}}C{{r}_{2}}{{O}_{7}}}Y,\]Here \[Y\]is:

A)

benzaldehyde

B)

toluene

C)

       benzoic acid

D)

       ethyl benzene

View Answer
95) Reaction of ethyne with HCN, in the presence of \[Ba{{(CN)}_{2}}\] is:

A)

electrophillic addition reaction

B)

nucleophillic addition reaction

C)

free radical addition reaction

D)

electrophillic substitution reaction

View Answer
96) Empirical formula of a hydrocarbon containing 80% carbon and 20% hydrogen is:

A)

\[CH\]

B)

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

C)

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

D)

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

View Answer
97) The ion that can be precipitated by \[HCl\] as well as \[{{H}_{2}}S\] is:

A)

\[P{{b}^{2+}}\]

B)

                       \[F{{e}^{3+}}\]

C)

       \[Z{{n}^{2+}}\]

D)

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

View Answer
98) Producer gas is:

A)

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

B)

\[C{{H}_{4}}+{{H}_{2}}+CO+C{{O}_{2}}\]

C)

\[CO+{{H}_{2}}+{{N}_{2}}\]

D)

\[C{{H}_{4}}+CO+{{H}_{2}}\]

View Answer
99) Which of the following is in the increasing order of the ionic character?

A)

\[PbC{{l}_{4}}<PbC{{l}_{2}}<CaC{{l}_{2}}<NaCl\]

B)

\[PbC{{l}_{2}}<\text{ }PbC{{l}_{4}}\text{ }<\text{ }CaC{{l}_{2}}\text{ }<\text{ }NaCl\]

C)

\[PbC{{l}_{2}}<PbC{{l}_{4}}<NaCl<CaC{{l}_{2}}\]

D)

\[PbC{{l}_{4}}<PbC{{l}_{2}}<NaCl<CaC{{l}_{2}}\]

View Answer
100) Which of the following has tetrahedral structure?

A)

\[N{{H}_{3}}\]

B)

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

C)

       \[PO_{4}^{3-}\]

D)

       \[PC{{l}_{5}}\]

View Answer
101) The catalyst used in Ostwalds method nitric acid preparation, is:

A)

platinised asbestos

B)

\[{{V}_{2}}{{O}_{5}}\]

C)

\[NO\]

D)

\[Fe\]

View Answer
102) 20% volume \[{{H}_{2}}{{O}_{2}}\] solution has a strength of about:

A)

30%

B)

                       10%

C)

6%

D)

       3%

View Answer
103) Which complex has square planar structure?

A)

\[[Ni{{(CO)}_{4}}]\]

B)

       \[{{[NiC{{l}_{4}}]}^{2-}}\]

C)

       \[{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}\]

D)

       \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]

View Answer
104) The principal constituent of pyrex glass is:

A)

Cl

B)

                       Pb

C)

B

D)

       Zn

View Answer
105) When lead nitrate is heated, it gives:

A)

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

B)

                       \[NO\]

C)

\[{{N}_{2}}{{O}_{5}}\]

D)

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

View Answer
106) Solid \[PC{{l}_{5}}\] exists as:

A)

\[PC{{l}_{5}}\]

B)

       \[PCl_{4}^{+}\]

C)

       \[PCl_{6}^{-}\]

D)

       \[PCl_{4}^{+}\]and \[PCl_{6}^{-}\]

View Answer
107) The compound, which is the most stable, is:

A)

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

B)

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

C)

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

D)

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

View Answer
108) Which one of the following noble gases, is least polarisable?

A)

Helium

B)

       Xenon

C)

       Argon

D)

       Neon

View Answer
109) The substance, which is added to ore in order to remove impurities during smelting, is known as:

A)

catalyst

B)

       gangue

C)

       flux

D)

       slag

View Answer
110) Which of the following is not a drying and dehydrating agent?

A)

\[{{P}_{2}}{{O}_{5}}\]

B)

       Silica gel

C)

       Hydrated \[CaC{{l}_{2}}\]

D)

      Cone. \[{{H}_{2}}S{{O}_{4}}\]

View Answer
111) Plaster of Pairs is:

A)

\[CaS{{O}_{4}}.\,{{H}_{2}}O\]

B)

       \[CaS{{O}_{4}}\]

C)

       \[CaS{{O}_{4}}.2{{H}_{2}}O\]

D)

       \[2CaS{{O}_{4}}.{{H}_{2}}O\]

View Answer
112) The chemical formula of lunar caustic is:

A)

\[A{{g}_{2}}S\]

B)

                       \[A{{a}_{2}}S{{O}_{4}}\]

C)

       \[AgN{{O}_{3}}\]

D)

       \[AgCl\]

View Answer
113) The highest oxidation state shown by Mn is:

A)

+3

B)

       +2

C)

+4

D)

       +7

View Answer
114) Which of the following represents a chela ting ligand?

A)

\[{{H}_{2}}\overset{.\,\,\,.}{\mathop{O}}\,:\]

B)

       \[O{{H}^{-}}\]

C)

       \[DMG\]

D)

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

View Answer
115) Compared with the alkaline earth metals, the alkali metals exhibit:

A)

smaller ionic radii

B)

higher boiling points

C)

greater hardness

D)

lower ionization energies

View Answer
116) The compounds of alkaline earth metals have the following magnetic nature:

A)

diamagnetic

B)

paramagnetic

C)

ferromagnetic

D)

       antiferromagnetic

View Answer
117) Sulphuric acid reacts with \[PC{{l}_{5}}\] to gives:

A)

sulphuryl chloride \[(S{{O}_{2}}C{{l}_{2}})\]

B)

\[PC{{l}_{5}}\]

C)

\[{{H}_{3}}P{{O}_{3}}\]

D)

none of the above

View Answer
118) Micro-cosmic salt is:

A)

\[N{{a}_{2}}HP{{O}_{4}}\]

B)

\[Na{{(N{{H}_{4}})}_{2}}P{{O}_{4}}\]

C)

\[Na(N{{H}_{4}})HP{{O}_{4}}\]

D)

\[Na(N{{H}_{4}})\cdot HP{{O}_{4}}\cdot 2{{H}_{2}}O\]

View Answer
119) When a graph is plotted between log K and\[\left( \frac{1}{T} \right),\] the slope of line obtained represents: (K = rate constant, T = temperature)

A)

\[\frac{{{E}_{a}}}{2.303R}\]

B)

\[-\frac{{{E}_{a}}}{R}\]

C)

       \[-\frac{{{E}_{a}}}{2.303R}\]

D)

       \[\log A\]

View Answer
120) Entropy is highest of:

A)

water

B)

steam

C)

       ice

D)

       dry ice

View Answer
121) Which of the following is important for speciation?

A)

Seasonal isolation

B)

Reproductive isolation

C)

Behavioural isolation

D)

Temporal isolation

View Answer
122) In a population, unrestricted reproductive capacity is called:

A)

biotic potential

B)

       fertility

C)

       carrying capacity

D)

birth rate

View Answer
123) Some bacteria are able to grow in Streptomycin containing medium due to:

A)

natural selection

B)

induced mutation

C)

reproductive isolation

D)

genetic drift

View Answer
124) Which of the following are homologous organs?

A)

Wings of birds and locust

B)

Wings of birds (Sparrow) and pectoral fins of fish

C)

Wings of bat and butterfly

D)

Legs of frog and cockroach

View Answer
125) Which is a reducing sugar?

A)

Galactose

B)

Gluconic acid

C)

       \[\beta \]-methyl galactoside

D)

Sucrose

View Answer
126) Reason of fast speciation in present day crop plants is:

A)

mutation

B)

isolation

C)

polyploidy

D)

       sexual reproduction

View Answer
127) Cause of mimicry is:

A)

attack (offence)

B)

protection (defence)

C)

both (a) and (b)

D)

isolation

View Answer
128) Protein synthesis in an animal cell, takes place:

A)

only in the cytoplasm

B)

in the nucleolus as well as in the cytoplasm

C)

in the cytoplasm as well as in mitochondria

D)

only on ribosomes attached to nucleus

View Answer
129) Formation of ozone hole is maximum over:

A)

India

B)

Antarctica

C)

       Europe

D)

       Africa

View Answer
130) Root pressure is maximum when:

A)

transpiration is low and absorbtion is high

B)

transpiration is high and absorbtion is low

C)

both (a) and (b)

D)

both transpiration and absorption are low

View Answer
131) Insectivorous plants grow where soil deficient in:

A)

nitrogen

B)

magnesium

C)

       phosphorus

D)

       calcium

View Answer
132) Plants growing in acidic soil are termed as:

A)

halophytes

B)

oxalophytes

C)

       acidophytes

D)

       hydrophytes

View Answer
133) The genetic material in transduction is:

A)

DNA

B)

RNA

C)

       either DNA or RNA

D)

       both DNA or RNA

View Answer
134) Mitochondria in middle piece of sperm is called:

A)

ring centriole

B)

       spenniochondria

C)

                       chondrisome

D)

       myochondria

View Answer
135) Among the following monosomic aneuploid is:

A)

Klinefelters syndrome

B)

Edwards syndrome

C)

Downs syndrome

D)

Turners syndrome

View Answer
136) Root germination is inhibited by:

A)

abscissic add

B)

                       ethylene

C)

       auxin

D)

       gibberellin

View Answer
137) Alkaptonuria is:

A)

dominant sex linked

B)

dominant autosomal

C)

recessive sex limited

D)

recessive autosomal

View Answer
138) Which of the following have 9.3 calories energy value?

A)

protein

B)

carbohydrate

C)

vitamin

D)

       fat

View Answer
139) A normal woman whose father was colorblind marries a colourblind man. What is the probability of colourblind girl child?

A)

25%

B)

50%

C)

75%

D)

       100%

View Answer
140) Study of ant is called:

A)

Myremecology

B)

Insectology

C)

       Ostology

D)

       Anticology

View Answer
141) Mo is important for plant in:

A)

nitrogen fixation

B)

photosynthesis

C)

ATP formation

D)

photoperiodism

View Answer
142) Pinocytosis and phagocytosis are absent in:

A)

eukaryotic plant cells

B)

eukaryotic animal cells

C)

prokaryotic cells

D)

none of the above

View Answer
143) When a heterozygous offspring is crossed with homozygous recessive parent, the cross is known as :

A)

test cross

B)

back cross

C)

       reciprocal cross

D)

       none of the above

View Answer
144) A plasmid is made up of:

A)

f-RNA

B)

m-RNA

C)

r-RNA

D)

       DNA

View Answer
145) Monoecious condition is found in:

A)

Pteridium

B)

Pinus

C)

Selaginella

D)

       Cycas

View Answer
146) In Spirogyra during the germination of zygospore how many haploid nuclei takes part?

A)

Three

B)

Two

C)

One

D)

       All four

View Answer
147) Wheat germ is:

A)

coleoptile

B)

cotyledons

C)

embryo

D)

endosperm

View Answer
148) Seeds of the orchids are:

A)

minute and sticky

B)

light and dry

C)

large and heavy

D)

       none of these

View Answer
149) Amphivasal or leptocentric vascular bundles are found in:

A)

Maize and wheat

B)

Helianthus and Cucurbita

C)

Dracaena and Yacca

D)

Cycas and Dryopteris

View Answer
150) Which of the following cells is not totipotent?

A)

Pith cell

B)

Epidermal cell

C)

Sieve cell

D)

       Pollen grain

View Answer
151) Which one of the following elements is necessary for the translocation of sugars in plants?

A)

Boron

B)

Iron

C)

       Molybdenum

D)

       Manganese

View Answer
152) The first product of \[C{{O}_{2}}\] fixation in Hatch and Slack cycle in plants is:

A)

formation of bundle sheath cells

B)

formation of oxaloacetate by carboxylation of phosphoenol pyruvate (PEP) in the mesophyll cells

C)

formation of phosphoglyceric acid in mesophyll cells

D)

formation of oxaloacetate by carboxylation of phosphoenol pyruvate (PEP) in bundle sheath cells

View Answer
153) R. Q. is:

A)

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

B)

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

C)

both (a) and (b)

D)

       none of the above

View Answer
154) In plants, enzymes are present:

A)

only in leaves

B)

only in flowers

C)

only in storage organs

D)

in all the living cells of plant body

View Answer
155) Nitrogen oxide is produced in the exhaust of:

A)

automobile smoke

B)

burning of fuel

C)

fertilizer plants

D)

       cigarette smoke

View Answer
156) Dudhwa National Park is located in:

A)

Arunachal Pradesh

B)

Madhya Pradesh

C)

Uttar Pradesh

D)

Himachal Pradesh

View Answer
157) Lymph nodes are concerned with the production of:

A)

urea

B)

lutemizing hormone

C)

red blood cells

D)

germ-killing cells

View Answer
158) Which of the following sets of derivatives of integumentary structures characterized birds as glorified reptiles?

A)

Syrinx and uropygial glands

B)

Claws and uropygial glands

C)

Scales and claws

D)

Syrinx and scales

View Answer
159) The immediate energy source of muscle contraction:

A)

lactic add

B)

glycogen

C)

       ATP

D)

       phosphor creatine

View Answer
160) The most important function of diaphragm is:

A)

to aid in digestion

B)

to aid in respiration

C)

to protect lungs

D)

to divide body cavity into comparunents

View Answer
161) Pulse can be detected on a superficial artery like that of:

A)

humors

B)

diaphragm

C)

thigh

D)

wrist

View Answer
162) Brain lies in:

A)

cranium

B)

vertebral column

C)

tympanic bull

D)

       none of these

View Answer
163) Blind spot in the vertebrate eye is the place where:

A)

the image does not fall

B)

there are neither rods nor cones

C)

there are no rods

D)

there are no cones

View Answer
164) Posterior pituitary contains and releases:

A)

oxytocin, prolactin and GH

B)

oxytocin and estrogen

C)

vasopressin and estrogen

D)

oxytocin and vasopressin

View Answer
165) Cells of Leydig are found in:

A)

kidneys

B)

ovary

C)

       somniferous tubules

D)

liver

View Answer
166) In a double stranded DNA molecule the percentage of cytosine is 18. What is the percentage of adenine?

A)

36%

B)

18%

C)

32%

D)

64%

View Answer
167) In human body urea is produced as an excretory product in the:

A)

liver

B)

kidneys

C)

       urinary bladder

D)

       pancreas

View Answer
168) Tissue present in an annual ring is:

A)

secondary xylem and secondary phloem

B)

primary xylem and primary phloem

C)

secondary xylem only

D)

primary phloem and secondary xylem

View Answer
169) Structure of DNA was given by:

A)

Moorage

B)

Mule

C)

       Watson and Crick

D)

Wilkins

View Answer
170) Amniocentesis is:

A)

process to know about the diseases of brain

B)

process to determine any hereditary disease in the embryo

C)

process to determine any disease in heart

D)

all of these

View Answer
171) Change in the sequence of nucleotide in DNA is called as:

A)

mutagen

B)

mutation

C)

       recombination

D)

       translation

View Answer
172) Which of the following is a correct match?

A)

Downs syndrome- 21st chromosome

B)

Sickel cell anaemia- X- chromosome

C)

Haemophilia- Y- chromosome

D)

Parkinson disease- X and Y chromosome Parkinson disease-X and Y-chromosome

View Answer
173) Which fungal disease spreads by seed and flowers?

A)

Loose smut of wheat

B)

Corn smut

C)

Covered smut of barley

D)

Soft rot of potato

View Answer
174) Sequence of which of the following is used to know the phylogeny?

A)

m-RNA

B)

r-RNA

C)

t-RNA

D)

DNA

View Answer
175) Which of the following does not secrete toxins during storage conditions of crop plants?

A)

Aspergillus

B)

Penicillium

C)

       Fusarium

D)

       Colletotrichum

View Answer
176) Which of the following plants produces seeds but not flowers?

A)

Maize

B)

Mint

C)

       Peepal

D)

       Pinus

View Answer
177) Best material for the study of mitosis in laboratory is:

A)

anther

B)

root tip

C)

leaf tip

D)

       ovary

View Answer
178) Mitotic spindle is mainly composed of which proteins?

A)

actin

B)

myosin

C)

actomyosin

D)

       myoglobin

View Answer
179) Ribosomes are produced in:

A)

nucleolus

B)

cytoplasm

C)

       mitochondria

D)

       Golgi body

View Answer
180) Which of the following occurs more than one?

A)

Chromatid

B)

Chromomere

C)

       Centromere

D)

       Telomere

View Answer
181) Directions: Select the word or phrase, which is nearest in meaning to the given word. NEXUS:

A)

a linked group

B)

noxious

C)

       shibboleth

D)

       a discrete group

View Answer
182) Directions: Select the word or phrase, which is nearest in meaning to the given word. DIABOLIC:

A)

having double meaning

B)

angelic

C)

fiendish

D)

authoritarian

View Answer
183) Directions: Select the word or phrase, which is nearest in meaning to the given word. CARICATURE:

A)

miniature

B)

aberration

C)

consequential

D)

       cartoon likeness

View Answer
184) Directions: Select the word or phrase, which is nearest in meaning to the given word. COEVAL:

A)

contemporary

B)

       extol

C)

intrepid

D)

       subordinate

View Answer
185) Directions: Select the word or phrase, which is nearest in meaning to the given word. UPBRAID:

A)

extol

B)

       revile

C)

restrain

D)

       sanction

View Answer
186) Directions: In the following questions, a proverb/idiom/phrase is followed by four alternative choices. Select from amongst the given alternatives which best explains the meaning of the proverb/idiom/phrase. One swallow does not always made a summer:

A)

one hot day does not mean that summer has set in

B)

one difficulty overcome does not mean that trouble is over

C)

one secret cannot save a persons life

D)

spring does not always follow a winter

View Answer
187) Directions: In the following questions, a proverb/idiom/phrase is followed by four alternative choices. Select from amongst the given alternatives which best explains the meaning of the proverb/idiom/phrase. Sent to Coventry:

A)

ostracized

B)

sent to public school

C)

welcomed

D)

none of the above

View Answer
188) Directions: In the following questions, a proverb/idiom/phrase is followed by four alternative choices. Select from amongst the given alternatives which best explains the meaning of the proverb/idiom/phrase. To have a second string to ones bow:

A)

o have second alternative in case the first one fails

B)

to keep ones powder dry

C)

to deceive someone

D)

none of the above

View Answer
189) Directions: In the following questions, a proverb/idiom/phrase is followed by four alternative choices. Select from amongst the given alternatives which best explains the meaning of the proverb/idiom/phrase. To look a gift-horse in the mouth:

A)

to pick flaws in a gift or favour

B)

to be indifferent

C)

to appreciate a gift or favour

D)

none of the above

View Answer
190) Directions: In the following questions, a proverb/idiom/phrase is followed by four alternative choices. Select from amongst the given alternatives which best explains the meaning of the proverb/idiom/phrase. To make fish of one and flesh of another:

A)

to be impartial

B)

to be extra smart

C)

to become a non-vegetarian

D)

to be partial

View Answer
191) Directions: In these questions a sentence is given which contain an idiom or an idiomatic expression which has been italicized. Below it, four alternative meanings of the idiom have been suggested. Choose the correct meaning It has been raining cats and dogs:

A)

raining lightly

B)

       raining musically

C)

raining cruelly

D)

raining heavily

View Answer
192) Directions: In these questions a sentence is given which contain an idiom or an idiomatic expression which has been italicized. Below it, four alternative meanings of the idiom have been suggested. Choose the correct meaning He was cool as a cucumber:

A)

fainted

B)

       nervous

C)

dead

D)

       cool & composed

View Answer
193) Directions: In these questions a sentence is given which contain an idiom or an idiomatic expression which has been italicized. Below it, four alternative meanings of the idiom have been suggested. Choose the correct meaning The long and the short of it is that they decided to marry:

A)

staunchly

B)

stoutly

C)

all that need be left unsaid is

D)

all that can need and be said is

View Answer
194) Directions: In these questions a sentence is given which contain an idiom or an idiomatic expression which has been italicized. Below it, four alternative meanings of the idiom have been suggested. Choose the correct meaning He refused point-blank to compromise on principles:

A)

in a soft voice

B)

       coldly

C)

flatly

D)

       hotly

View Answer
195) Directions: In these questions a sentence is given which contain an idiom or an idiomatic expression which has been italicized. Below it, four alternative meanings of the idiom have been suggested. Choose the correct meaning As our army attacked, the enemy retreated pell-mell:

A)

in an orderly manner

B)

in a disorderly manner

C)

in a courageous manner

D)

in a heap

View Answer
196) Directions: In these questions there are four words in each group. Out of these, one word is miss- spelt, put a cross in your answer-sheet in the circle under the letter (a), (b), (c), (d) against the miss- spelt word.

A)

bemuse

B)

benefit

C)

benevolent

D)

       because

View Answer
197) Directions: In these questions there are four words in each group. Out of these, one word is miss- spelt, put a cross in your answer-sheet in the circle under the letter (a), (b), (c), (d) against the miss- spelt word.

A)

venerable

B)

       vehical

C)

veritable

D)

       fearful

View Answer
198) Directions: In these questions there are four words in each group. Out of these, one word is miss- spelt, put a cross in your answer-sheet in the circle under the letter (a), (b), (c), (d) against the miss- spelt word.

A)

permanent

B)

      permissible

C)

prevalent

D)

       perennial

View Answer
199) Directions: In these questions there are four words in each group. Out of these, one word is miss- spelt, put a cross in your answer-sheet in the circle under the letter (a), (b), (c), (d) against the miss- spelt word.

A)

envelope

B)

enquiry

C)

employement

D)

worried

View Answer
200) Directions: In these questions there are four words in each group. Out of these, one word is miss- spelt, put a cross in your answer-sheet in the circle under the letter (a), (b), (c), (d) against the miss- spelt word.

A)

wearysome

B)

       worried

C)

weird

D)

       wanded

View Answer

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