Solved papers for AMU Medical AMU Solved Paper-2002

AMU Solved Paper-2002 Total Questions - 200

1) In   Wiens   formula   \[{{\lambda }_{m}}\text{T}=\text{b},\]   where \[{{\lambda }_{m}}=\]wavelength and T = temperature. The dimensions of Wiens constant b are

A)

\[\left[ {{\text{L}}^{\text{3}}} \right]\]

B)

[LT]

C)

\[[{{L}^{-1}}]\]

D)

\[[L\theta ]\]

View Answer
2) A particle executes simple harmonic motion with an amplitude a. The energy of the particle is half kinetic and half potential, when its displacement is

A)

\[\frac{a}{3}\]

B)

\[\frac{a}{2}\]

C)

\[\frac{a}{\sqrt{2}}\]

D)

\[\frac{a}{2\sqrt{2}}\]

View Answer
3) A projectile of mass m is thrown with a velocity u making an angle \[60{}^\circ \] with the horizontal, neglecting air resistance, the change in momentum of the departure from A to its arrival at B, to along the vertical directions

A)

\[2\,mu\]

B)

\[\sqrt{3}\,mu\]

C)

\[\,mu\]

D)

\[\frac{\,mu}{\sqrt{3}}\]

View Answer
4) A particle experience a constant acceleration for 20 s, after starting from rest, it travels a distance 5i in first 10 s and a distance \[{{s}_{2}}\] in next 10 s, then

A)

\[{{s}_{2}}=\text{ }{{s}_{1}}\]

B)

\[{{s}_{2}}=\text{ }2{{s}_{1}}\]

C)

\[{{s}_{2}}=\text{ }3{{s}_{1}}\]

D)

\[{{s}_{2}}=\text{ }4{{s}_{1}}\]

View Answer
5) A projectile is thrown with initial velocity \[\text{(a}\overset{\hat{\ }}{\mathop{\text{i}}}\,+\text{b}\overset{\hat{\ }}{\mathop{\text{j}}}\,\text{)m}/\text{s}.\]If range of projection is twice the maximum height reached by it, then

A)

\[b=\frac{a}{2}\]

B)

\[b=a\]

C)

\[b=2a\]

D)

\[b=4a\]

View Answer
6) A jet of water with area of cross-section 3 \[\text{c}{{\text{m}}^{\text{2}}}\] strikes a wall at an angle \[\theta =\text{6}0{}^\circ \] to the normal and rebounds elastically from the wall with the same speed. If the speed of water in the jet is 12 m/s, then the force acting on the wall is

A)

\[\text{4}.\text{31}\times \text{1}{{0}^{-1}}\text{ N}\]

B)

\[\text{4}.\text{32}\times \text{1}{{0}^{-2}}\text{ N}\]

C)

\[\text{4}.\text{32}\times \text{1}{{0}^{-3}}\text{ N}\]

D)

43.2 N

View Answer
7) The maximum velocity of a simple harmonic motion represented by \[\left( 100\,t\,+\frac{\pi }{6} \right)m\]is given by

A)

300

B)

\[\frac{3\pi }{6}\]

C)

100

D)

\[\frac{\pi }{6}\]

View Answer
8) A metallic wire of length L metre extends by \[l\]metre when stretched by suspending a weight of Mg to it. Then the mechanical energy stored in the wire is

A)

\[Mgl\]

B)

\[\frac{Mgl}{2}\]

C)

\[\frac{Mgl}{4}\]

D)

\[2Mgl\]

View Answer
9) A boy having a mass of 60 kg, holds in hand a school bag of weight 40 N. With what force the floor will push up on his feet ? \[\text{(g }=\text{ 1}0\text{ m}/{{\text{s}}^{\text{2}}})\]

A)

100 N

B)

600 N

C)

640 N

D)

64 N

View Answer
10) A sphere of mass 2 kg and radius 5 cm is rotating at the rate of 300 rev/min. Then the torque required to stop it in 2si revolutions is

A)

\[\text{1}.\text{6}\times \text{1}{{0}^{\text{5}}}\text{ N}-\text{m}\]

B)

\[\text{1}.\text{6}\times \text{1}{{0}^{-\text{4}}}\text{ N}-\text{m}\]

C)

\[2.5\times \text{1}{{0}^{-3}}\text{ N}-\text{m}\]

D)

  \[2.5\times \text{1}{{0}^{-2}}\text{ N}-\text{m}\]

View Answer
11) The gravitational potential energy of a body at a distance r from the centre of the earth is U, then its weight at that point is

A)

\[\frac{U}{{{r}^{2}}}\]

B)

\[\frac{U}{r}\]

C)

\[Ur\]

D)

\[U{{r}^{2}}\]

View Answer
12) A source of sound is moving away from a stationary observer with a speed equal to the speed of sound. The apparent frequency heard by the observer will be

A)

\[{{\text{n}}^{\text{2}}}\]

B)

\[\text{2n}\]

C)

\[\frac{n}{2}\]

D)

unchanged

View Answer
13) One end of a uniform rope of length L and of weight w is attached rigidly to a point in the roof and a weight \[{{w}_{1}}\]is suspended from its lower end. Ifs is the area of cross-section of the \[\frac{3L}{4}\] wire, the stress in the wire at a height from 4 its lower end is

A)

\[\frac{{{w}_{1}}}{s}\]

B)

\[\frac{{{w}_{1}}+\frac{w}{4}}{s}\]

C)

\[\frac{{{w}_{1}}+\frac{3w}{4}}{s}\]

D)

\[\frac{{{w}_{1}}+w}{s}\]

View Answer
14) The excess pressure inside a soap bubble of diameter 1 mm is (surface tension\[=\text{ 6}0\times \text{1}{{0}^{-3}}\text{ N}/\text{m}\])

A)

\[\text{24}0\text{ N}/{{\text{m}}^{\text{2}}}\]

B)

\[0.\text{48 N}/{{\text{m}}^{\text{2}}}\]

C)

\[\text{48}0\text{ N}/{{\text{m}}^{\text{2}}}\]

D)

\[0.\text{24 N}/{{\text{m}}^{\text{2}}}\]

View Answer
15) Specific heat of a gas undergoing adiabatic change is

A)

zero

B)

infinite

C)

positive

D)

negative

View Answer
16) In a steady state the temperature of the ends A and B of a 20 cm long rod AB are \[100{}^\circ \] and \[0{}^\circ C\]. The temperature at the point C distant 9 cm from A is

A)

\[45{}^\circ C\]

B)

\[55{}^\circ C\]

C)

\[60{}^\circ C\]

D)

\[65{}^\circ C\]

View Answer
17) The temperature of the ideal gas is increased from \[27{}^\circ C\] to \[972{}^\circ C\]. The root mean square speed of its molecules becomes

A)

half

B)

twice

C)

four times

D)

one- fourth

View Answer
18)  A quantity of air (y = 1.4) at \[27{}^\circ C\] is compressed suddenly, the temperature of the air system will

A)

fall

B)

rise

C)

remain unchanged

D)

first rise and then fall

View Answer
19) The ends of two rods of different material with their thermal conductivities, radii of cross-sections and lengths all in the ratio 1: 2 are maintained at the same temperature difference, if the rate of flow of heat in the larger rod is 4 cal/s, then rate of flow of heat in the shorter rod will be

A)

1 cal/s

B)

2 cal/s

C)

8 cal/s

D)

16 cal/s

View Answer
20) Energy emitted by a black body and wavelength relations at temperature T^K, \[{{T}_{3}}K,\]and \[{{\text{T}}_{\text{3}}}\text{K},\]are shown by curves. The relation between the temperatures is

A)

\[{{\text{T}}_{\text{3}}}>{{T}_{2}}>{{T}_{1}}\]

B)

\[{{\text{T}}_{1}}>{{T}_{2}}>{{T}_{3}}\]

C)

\[{{\text{T}}_{1}}={{T}_{2}}={{T}_{3}}\]

D)

\[{{\text{T}}_{1}},{{T}_{2}},{{T}_{3}}\]bear no relation

View Answer
21) The temperature of a furnace is \[2327{}^\circ C\] and the intensity of maximum in its spectrum is nearly at \[12000\overset{\text{o}}{\mathop{\text{A}}}\,\]. If the intensity in the spectrum of a star is maximum nearly at \[4800\overset{\text{o}}{\mathop{\text{A}}}\,\], then the surface temperature of the star is

A)

\[767{}^\circ C\]

B)

\[1040{}^\circ C\]

C)

\[6500{}^\circ C\]

D)

\[6227{}^\circ C\]

View Answer
22) A wheel of radius 1 m rolls forward half a revolution on a horizontal ground. The magnitude of the displacement of the point of wheel initially in contact with the ground is

A)

\[2\pi m\]

B)

\[\sqrt{2}\pi m\]

C)

\[\sqrt{{{\pi }^{2}}+4}m\]

D)

\[\pi \,m\]

View Answer
23) A wave of frequency 500 Hz, travels between X and y, a distance of 600 m in 2 s. How many wavelength are there in distance XY ?

A)

1000

B)

300

C)

180

D)

2000

View Answer
24) The value of current at resonance in series LCR circuit is affected by the value of

A)

R only

B)

C only

C)

L only

D)

R, C and L

View Answer
25) In Youngs double slit experiment, the separation between the slits is made 3 fold, the fringe width becomes

A)

\[\frac{1}{3}Times\]

B)

\[\frac{1}{9}Times\]

C)

\[3\,Times\]

D)

\[9\,Times\]

View Answer
26) A convex lens of focal length 20 cm produces a real image twice the size of the object. Then the distance of the object from the lens is

A)

10 cm

B)

20 cm

C)

30 cm

D)

60 cm

View Answer
27) The speed of light in vacuum is \[\text{3}\times \text{l}{{0}^{\text{8}}}\text{ m}/\text{s}\]and the speed of light in a medium is \[\text{1}.\text{25}\times \text{l}{{0}^{\text{8}}}\text{ m}/\text{s}.\] Then the refractive index of medium is

A)

1.5

B)

0.42

C)

2.4

D)

3.75

View Answer
28) What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm ? (n = 1.5)

A)

30 cm

B)

60 cm

C)

90 cm

D)

30 cm

View Answer
29) The ratio of maximum and minimum intensities in an interference pattern is 36 1. The ratio of the amplitudes of the two interfering waves will be

A)

5 : 7

B)

7 : 4

C)

4 : 7

D)

7 : 5

View Answer
30) A slide projector gives a magnification 10. If a slide of dimensions 3 cm x 2 cm is projected on the screen, then the area of image screen is

A)

\[\text{6}000\text{c}{{\text{m}}^{\text{2}}}\]

B)

\[\text{6}00\text{c}{{\text{m}}^{\text{2}}}\]

C)

\[\text{6}0\text{ c}{{\text{m}}^{\text{2}}}\]

D)

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

View Answer
31) The focal length of the objective of a telescope is 60 cm. To obtain a magnification of 20 for the relaxed eye, the length of telescope should be

A)

80 cm

B)

40 cm

C)

63 cm

D)

57 cm

View Answer
32) An electron is accelerated at 10 kV to a tungsten target. The wavelength of X-ray photon produced will be

A)

\[0.62\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[2.48\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[0.124\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[1.24\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
33) Photoelectric threshold wavelength for tungsten is 2300 A. Work function for it will be

A)

5.38 eV

B)

53.9 eV

C)

\[5.39\times {{10}^{-8}}eV\]

D)

None of these

View Answer
34) One nuclear fission release 200 MeV energy. The number of fissions per second which will produce 10 MW of power by a generator of efficiency 25% will be

A)

\[\text{1}.\text{25}\times \text{l}{{0}^{\text{19}}}\]

B)

\[\text{1}.\text{25}\times \text{l}{{0}^{\text{18}}}\]

C)

\[\text{3}.\text{125}\times \text{1}{{0}^{11}}\]

D)

\[\text{5}\times \text{l}{{0}^{\text{11}}}\]

View Answer
35) The ratio of the radius of the orbit for the electron orbiting the hydrogen nucleus to that of an electron orbiting a deuterium nucleus is

A)

1 : 1

B)

1 : 2

C)

2 : 1

D)

1 : 3

View Answer
36) The relation between the half-life T and mean life t of a radioactive sample is

A)

T = 0.693 t

B)

t = 0.693 T

C)

t = t

D)

t = 2.718 T

View Answer
37) Which of the following techniques is concerned with ultrasonic waves?

A)

X-ray photography

B)

Sonography

C)

CATSCAN

D)

ECG

View Answer
38) The average energy released per fission is

A)

108 MeV

B)

200 MeV

C)

1000 MeV

D)

more than 100 MeV

View Answer
39) In a common base circuit, the collector current changes by 0.04 mA when the collector-base voltage is changed by 0.5 V. Output resistance (in \[k\Omega \]) is

A)

6

B)

20

C)

16

D)

12.5

View Answer
40) Three capacitors of capacitances 3\[\mu \]F, 9\[\mu \]F and 18\[\mu \]F are connected once in series and another time in parallel. The ratio of equivalent capacitances in the two cases will be

A)

1 : 15

B)

15 : 1

C)

1 : 1

D)

1 : 3

View Answer
41) The equivalent capacitance between points A and B of circuit shown in the figure is 9uF         luF 4.5 |af         6^F

A)

\[9\mu F\]

B)

\[1\mu F\]

C)

\[4.5\mu F\]

D)

\[6\mu F\]

View Answer
42) 1000 drops of water each of radius r and charged to a potential V coalesce together to form a big drop. The potential of big drop will be

A)

10 V

B)

100 V

C)

1000 V

D)

\[\frac{V}{100}\]

View Answer
43) Two cells, each of emf£ and internal resistance r are connected in parallel across a resistance R. The power delivered to R is maximum when

A)

\[r=R\]

B)

\[R=\frac{r}{2}\]

C)

\[R=2\,r\]

D)

\[R=0\]

View Answer
44) Two batteries of emf 4 V and 8 V with internal resistances 1\[\Omega \] and 2\[\Omega \] are connected in a circuit with a resistance of 9\[\Omega \] as shown in figure. The current and potential difference between the points P and Q are

A)

\[\frac{1}{3}A\,\,and\,\,3V\]

B)

\[\frac{1}{6}A\,\,and\,\,4V\]

C)

\[\frac{1}{9}A\,\,and\,\,9V\]

D)

\[\frac{1}{2}A\,\,and\,\,12V\]

View Answer
45) In a potentiometer experiment the galvanometer shows no deflection when a cell is connected across 60 cm of the potentiometer wire. If the cell is shunted by a resistance of 6 0 the balance is obtained across 50 cm of the wire. The internal resistance of the cell is

A)

0.5\[\Omega \]

B)

0.6\[\Omega \]

C)

1.2\[\Omega \]

D)

1.5\[\Omega \]

View Answer
46) The minimum resistance that can be obtained by connecting 5 resistances of \[\frac{1}{4}\Omega \] each, is 4

A)

\[\frac{4}{5}\Omega \]

B)

\[\frac{5}{4}\Omega \]

C)

\[20\,\Omega \]

D)

\[0.05\,\,\Omega \]

View Answer
47) A proton, electron and an a-particle is accelerated through the same potential difference enter a region of uniform magnetic field, moving at right angles to the magnetic field B. The ratio of their kinetic energies is

A)

2 1 1

B)

                                2 2 1

C)

1 2 1

D)

1 1 2

View Answer
48)  A current loop of area 0.01 m2 and carrying acurrent of 10 A is held perpendicular to a magnetic field of intensity 0.1 T. The torque acting on the loop (in N-m) is

A)

1.1

B)

0.8

C)

0.001

D)

0.01

View Answer
49) The alternating voltage and current in an electric circuit are respectively given by \[E=100\,\,\sin \,100\,\pi t\] \[\text{I }=\text{ 5 sin 100}\pi \text{t}\] The reactance of the circuit will be

A)

200

B)

0.050

C)

10

D)

  zero

View Answer
50) A uniform metallic wire has a constant voltage across it. The heat produced is double, if

A)

both length and radius of the wire are halved

B)

both length and radius of the wire are doubled

C)

only radius is doubled

D)

only length is doubled

View Answer
51) The quantum number which is responsible for the size of electron cloud is

A)

spin

B)

azimuthal

C)

principal

D)

magnetic

View Answer
52) To deposit one equivalent weight of silver at cathode the charge required will be

A)

\[9.65\times {{10}^{4}}C\]

B)

\[9.65\times {{10}^{3}}C\]

C)

\[9.65\times {{10}^{5}}C\]

D)

\[9.65\times {{10}^{7}}C\]

View Answer
53) ?Electrons are filled in energy orbitals, in increasing order of energy.? This statement is related to

A)

Plancks rule

B)

Hunds rule

C)

Faults rule

D)

Aufbau principle

View Answer
54) Ascorbic acid is a

A)

enzyme

B)

vitamin

C)

protein

D)

None of these

View Answer
55) The outer electronic configuration of transitional elements is

A)

\[(n-1)\,{{s}^{2}}n{{d}^{1-5}}\]

B)

\[(n+1)\,{{s}^{2}}n{{d}^{1-5}}\]

C)

\[(n+1)\,{{s}^{2}}{{p}^{6}}(n-1)\,{{d}^{1-10}},n{{s}^{0-2}}\]

D)

\[n{{s}^{2}}(n+1)\,{{d}^{1-10}}\]

View Answer
56) Strongest base is

A)

RbOH

B)

LiOH

C)

KOH

D)

NaOH

View Answer
57) If the pH of an aqueous solution is 4.7, then its \[{{H}^{+}}\] concentration will be

A)

\[3\times {{10}^{-6}}\]

B)

\[3\times {{10}^{-5}}\]

C)

\[2\times {{10}^{-5}}\]

D)

\[5\times {{10}^{-5}}\]

View Answer
58) Conjugated double bond is present in

A)

butylene

B)

butadiene

C)

isobutylene

D)

propylene

View Answer
59) A radioactive element has a half-life of 10 yr. What percentage of the original amount of it would you expect to remain after 20 yr?

A)

12.5

B)

8

C)

0

D)

25

View Answer
60) Given, \[{{H}_{2}}O{{H}_{3}}{{O}^{+}}+{{F}^{-}}\]             \[{{F}^{-}}+{{H}_{2}}OHF+O{{H}^{-}}\] Which of the following relation is correct?

A)

\[{{K}_{b}}={{K}_{w}}\]

B)

\[{{K}_{b}}\times {{K}_{b}}={{K}_{w}}\]

C)

\[\frac{{{K}_{a}}}{{{K}_{b}}}={{K}_{w}}\]

D)

\[{{K}_{b}}=\frac{1}{{{K}_{w}}}\]

View Answer
61) The allowed values of m for \[l=2\] is

A)

\[0,\pm 1\]

B)

\[\pm \,\,1,\,\,\pm 2\]

C)

\[0,\pm \,\,1,\,\,\pm 2\]

D)

\[0,\,\,\pm 2\]

View Answer
62) Alkaline dilute \[KMn{{O}_{4}}\] solution is called

A)

Etard reagent

B)

Benedict reagent

C)

Mullikans reagent

D)

Baeyefs reagent

View Answer
63) 2 moles of \[PC{{l}_{5}}\] is heated in one litre vessel. At equilibrium 0.4 mole \[C{{l}_{2}}\] is formed. The value of equilibrium constant will be

A)

\[1\times {{10}^{-3}}\]

B)

\[1\times {{10}^{-2}}\]

C)

\[2\times {{10}^{-1}}\]

D)

\[1\times {{10}^{-1}}\]

View Answer
64) If 19 is the atomic number of an element, then this element will be

A)

a metal with +3 oxidation state

B)

a metal with +1 oxidation state

C)

an inert gas

D)

a metal with -3 oxidation state

View Answer
65) At \[{{25}^{o}}C\] the solubility of sparingly soluble binary salt \[AgCl\] is \[1.25\times {{10}^{-5}}\]mol/L. What will be the value of \[{{K}_{sp}}\] at the same temperature?

A)

\[1.25\times {{10}^{-5}}\]

B)

\[1.56\times {{10}^{-10}}\]

C)

\[1.\times {{10}^{-10}}\]

D)

\[1.44\times {{10}^{-10}}\]

View Answer
66) Nesslefs reagent is used to detect

A)

\[P{{O}_{4}}^{3-}\]

B)

\[MN{{O}_{4}}^{-}\]

C)

\[N{{H}_{4}}^{+}\]

D)

\[Cr{{O}_{4}}^{2-}\]

View Answer
67) The correct increasing order of electron affinity is

A)

Be, B, N, C

B)

C, N, B, Be

C)

Be, N, B, C

D)

Be, B, C, N

View Answer
68) Nitrobenzene, on reaction with fuming nitric acid at \[{{90}^{o}}C\], the product is

A)

B)

C)

D)

View Answer
69) The oxidation number of C in \[C{{H}_{4}},C{{H}_{3}}Cl,C{{H}_{2}}C{{l}_{2}},CHC{{l}_{3}}\] and \[CC{{l}_{4}}\] is respectively

A)

-4, -2, 0, +2, +4

B)

+2, 4, 0, -2, -4

C)

4, 2, 0, -2, -4

D)

0, 2, -2, 4, 4

View Answer
70) Latent heat of vaporisation of a liquid at 500 K and 1 atm pressure is 10.0 kcal/mol. What will be the change in internal energy of 3 moles of liquid at same temperature?

A)

-13.0 kcal

B)

-27.0 kcal

C)

27.0 kcal

D)

13.0 kcal

View Answer
71) If LPG cylinder contains mixture of butane and isobutane, then the amount of oxygen that would be required for combustion of 1 kg of it will be

A)

2.7 kg

B)

1.8 kg

C)

3.58 kg

D)

4.5 kg

View Answer
72) The oxidation number of Cr in \[Cr{{O}_{2}}C{{l}_{2}}\] is

A)

+ 2

B)

+ 3

C)

+ 4

D)

+ 6

View Answer
73) lonisation energy is highest in

A)

\[[Ne]\,\,3{{s}^{1}}\]

B)

\[[Ne]\,\,3{{s}^{2}}3{{p}^{3}}\]

C)

\[[Ne]\,\,3{{s}^{10}},4{{s}^{2}},4{{p}^{3}}\]

D)

\[[Ne]\,\,3{{s}^{2}}3{{p}^{4}}\]

View Answer
74) In the following molecules, the hybrid state at 1 and 3 carbon atoms is                \[\overset{1}{\mathop{C}}\,{{H}_{2}}=\overset{2}{\mathop{C}}\,=\overset{3}{\mathop{C}}\,H-\overset{4}{\mathop{C}}\,{{H}_{3}}\]

A)

                \[s{{p}^{2}}\]

B)

                \[s{{p}^{3}}\]

C)

\[s{{p}^{3}}d\]

D)

sp

View Answer
75) The IUPAC name of \[{{(C{{H}_{3}})}_{3}}C-CH=C{{H}_{2}}\] is

A)

vinyl trimethyl methane

B)

2, 2-dimethyl-3-butene

C)

tertiary butyl ethane

D)

3, 3-dimethyl-l-butene

View Answer
76) The number of \[\sigma \] and n bonds in\[C{{H}_{2}}=CH-CH=C{{H}_{2}}\]

A)

\[8\sigma \] and \[2\pi \] bonds

B)

\[9\sigma \] and \[1\pi \] bond

C)

\[9\sigma \]and \[3\pi \] bonds

D)

\[9\sigma \] and \[2\pi \] bonds

View Answer
77) \[CuS{{O}_{4}}\] dissolves in \[N{{H}_{3}}\]due to formation of

A)

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

B)

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

C)

\[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]

D)

\[CuO\]

View Answer
78) Phenacetin is used as

A)

antiseptic

B)

analgesic

C)

antipyretic

D)

antimalarial

View Answer
79) The highest magnetic moment will be shown by

A)

Ni

B)

Co

C)

Fe

D)

Zn

View Answer
80) Gypsum is

A)

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

B)

\[CaC{{O}_{3}}.\,2{{H}_{2}}O\]

C)

\[CaS{{O}_{4}}.\,1/2{{H}_{2}}O\]

D)

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

View Answer
81) Propene \[\xrightarrow{HBr}\,\,A\xrightarrow[\left( ii \right)\text{ }{{H}_{2}}O/boil]{\left( i \right)Mg/ether}B\]In the above sequence of reactions B is

A)

propane

B)

butane

C)

propene

D)

ethane

View Answer
82) Which is a characteristic of a catalyst?

A)

It changes the equilibrium point

B)

It initiates the reaction

C)

It alters the rate of a reaction

D)

It increases the average kinetic energy of the molecules

View Answer
83) 83. The product \[C{{H}_{3}}-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-CHC{{l}_{2}}\] is formed when \[HOCl\] reacts with

A)

\[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\]

B)

\[C{{H}_{3}}-C\equiv CH\]

C)

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

D)

\[CH\equiv CH\]

View Answer
84) Which of the following is an electrophile?

A)

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

B)

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

C)

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

D)

\[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]

View Answer
85) A sample of radioactive substance with a \[{{t}_{1/2}}=3\] days was found to contain 3g of it, when received exactly after 12 days. The amount of radioactive substance when it was sealed

A)

48 g

B)

12 g

C)

24 g

D)

6g

View Answer
86) The correct electronic configuration of Cu (29)

A)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{10}},4{{s}^{1}}\]

B)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{5}}3{{d}^{11}},4{{s}^{1}}\]

C)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{9}},4{{s}^{1}}\]

D)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{5}}3{{d}^{10}},4{{s}^{2}}\]

View Answer
87) Which enzyme is effective in the following reaction?                 \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow{{}}2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}\]

A)

Invertase

B)

Zymase

C)

Maltase

D)

a-amylase

View Answer
88) Which of the following is a buffer?

A)

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

B)

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

C)

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

D)

\[{{K}_{2}}S{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\]

View Answer
89) The most electronegative element in periodic table is

A)

Fr

B)

F

C)

He

D)

N

View Answer
90) Cryolite is the ore of

A)

Fe

B)

Cu

C)

Ag

D)

Al

View Answer
91) Which of the following is not a member of 3d-transition series?

A)

Fe

B)

Co

C)

Au

D)

Cu

View Answer
92) The solubility of \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\] is s mol/L. Its solubility product is

A)

\[72\,{{s}^{5}}\]

B)

\[108\,{{s}^{5}}\]

C)

\[9\,{{s}^{2}}\]

D)

\[8\,{{s}^{3}}\]

View Answer
93) A group 16 element exists in the monoatomic state in the metallic lattice. It also exists in two crystalline forms. The metal is

A)

S

B)

Po

C)

Se

D)

Te

View Answer
94) The bond energies of \[{{F}_{2}},C{{l}_{2}},B{{r}_{2}}\] and \[{{I}_{2}}\] are 155, 244, 193 and 151 kJ/mol. The weakest bond will be

A)

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

B)

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

C)

\[{{I}_{2}}\]

D)

\[{{F}_{2}}\]

View Answer
95) The process of converting hydrated alumina into anhydrous alumina is called

A)

smelting

B)

roasting

C)

calcination

D)

dressing

View Answer
96) If the hydrogen ion concentration in an acid is \[{{10}^{-8}}\] mol/L then the pH

A)

9

B)

7

C)

< 7

D)

> 8

View Answer
97) Tischenko reaction proceeds in the presence of

A)

Zn and \[ZnC{{l}_{2}}\]

B)

Al powder

C)

\[Al{{(O{{C}_{2}}{{H}_{5}})}_{3}}\] and anhydrous \[AlC{{l}_{3}}\]

D)

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

View Answer
98) Which is most soluble in water?

A)

\[AgBr\]

B)

\[AgCl\]

C)

\[AgF\]

D)

\[AgI\]

View Answer
99) Blue vitriol is

A)

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

B)

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

C)

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

D)

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

View Answer
100) The silver is extracted by Parkes process. The basis of this method is

A)

silver is immiscible in molten Zn

B)

Ag is miscible in NaCN

C)

Ag is more miscible in molten Zn than in molten Pb

D)

Ag is more miscible in molten Pb in comparison to molten Zn

View Answer
101) Fright and flight hormone is secreted by

A)

pituitary gland

B)

pineal gland

C)

adrenal gland

D)

thyroid gland

View Answer
102) Glissons capsules are found in

A)

liver

B)

kidney

C)

pancreas

D)

intestinal wall

View Answer
103) Certain RNA viruses carry a gene for an enzyme that uses viral RNA as a template in the synthesis of DNA. This enzyme is

A)

viral nuclease

B)

RNA replicase

C)

RNA polymerase

D)

reverse transcriptase

View Answer
104) Which of the following disorder is associate with chronic alcoholism and malnutrition?

A)

Hobnail liver

B)

Amyloid liver

C)

Laennecs cirrhosis

D)

All of the above

View Answer
105) \[S{{O}_{2}}\]pollution is indicated by

A)

grasses

B)

mosses

C)

lichens

D)

fossils

View Answer
106) Hygroscopic roots are found in

A)

Bryophyllum

B)

Vanda

C)

Khizophora

D)

All of these

View Answer
107) Which of the following blood groups is universal donor?

A)

A

B)

B

C)

AB

D)

O

View Answer
108) Polytene chromosomes are found in

A)

muscles

B)

salivary glands

C)

connective tissue

D)

endocrine glands

View Answer
109) Biometric genetics deals with

A)

die biochemical explanations of various genetical phenomena

B)

the effect of environment on genetic makeup of organisms

C)

the genetical radiations on the living organisms

D)

the inheritance of quantitative traits

View Answer
110) The spread of AIDS is promoted by

A)

homosexuality

B)

immoral way of life

C)

use of infected needles in blood transfusion

D)

All of the above

View Answer
111) The study of life forms and environment of past ages is called

A)

Ecology

B)

Geoecology

C)

Palaeoecology

D)

Neoecology

View Answer
112) Entamoeba differs from Amoeba in

A)

having a large number of contractile vacuoles

B)

having two contractile vacuoles

C)

having no contractile vacuole

D)

None of the above

View Answer
113) Inulin is a polymer of

A)

glucose

B)

fructose

C)

lactose

D)

galactose

View Answer
114) Which of the following is most abundan enzymatic protein in plants?

A)

Ribozyme

B)

Rubisco

C)

Pepsin

D)

Yeast extract

View Answer
115) The interval between infection and appearance of disease is known as

A)

incubation period

B)

inoculation

C)

penetration

D)

infection period

View Answer
116) \[\alpha \]- helical model of protein was proposed by

A)

Pauling and Corey

B)

Stanley

C)

Webster

D)

Robert Brown

View Answer
117) Hurlers disease is caused by

A)

absence of lysosome

B)

absence of reductase

C)

absence of lomasomes

D)

absence of \[\alpha \]-protein

View Answer
118) Which of the following is anucleated living plant cell?

A)

Sieve tube

B)

Vessel

C)

Tracheid

D)

All of these

View Answer
119) Oil storing plastids are called

A)

amyloplast

B)

elaioplast

C)

chromoplast

D)

chloroplast

View Answer
120) Which of the following cells of Leucosotenia sponge is self replicating and capable of giving rise to all other types of cells?

A)

Amoebocyte

B)

Chromocyte

C)

Choanocyte

D)

Collenocyte

View Answer
121) Incomplete dominance is shown by

A)

Pisum sativum

B)

Neurospora crassa

C)

Mirabilis jalapa

D)

Saccharum

View Answer
122) Which of the following is an ammonifying bacterium?

A)

Clostridium

B)

Azotobacter

C)

Nitrosococcus

D)

Bacillus ramosus

View Answer
123) In Selaginella, normally the number of prothallial cell is

A)

one

B)

two

C)

three

D)

numerous

View Answer
124) Hybrid vigour is due to

A)

heterozygosity

B)

superiority of genes

C)

homozygosity

D)

mixing of cytoplasm of male and female gametes

View Answer
125) Agar - agar is obtained from

A)

red algae

B)

brown algae

C)

cyanobacteria

D)

Both (a) and (b)

View Answer
126) Coralloid roots belong to

A)

Cycos

B)

Pinus

C)

Fern

D)

Selaginella

View Answer
127) An efficient root inducing chemical useful in horticulture is

A)

GAA

B)

IBA

C)

NAA

D)

2, 4-D

View Answer
128) Which of the following is synthesized in the dark- reaction of photosynthesis?

A)

NADPH2

B)

ATP

C)

Oxygen

D)

PGA

View Answer
129) The effect of pollen on the character of seed coat or pericarp is called

A)

ruminate endosperm

B)

xenia

C)

metaxenia

D)

None of the above

View Answer
130) Shell of Mollusca is produced by its

A)

radulla

B)

thorax

C)

mantle

D)

abdomen

View Answer
131) The main function of loop of Hente is

A)

conservation of water

B)

filtration of blood

C)

formation of urine

D)

filtration of urine

View Answer
132) Salmon fishes are also known as

A)

cod fish

B)

trout

C)

cartilaginous fish

D)

bony fish

View Answer
133) In mammals, digestion of starch starts from

A)

mouth

B)

stomach

C)

oesophagus

D)

duodenum

View Answer
134) Green muffler is used against, which type of pollution?

A)

air

B)

water

C)

soil

D)

noise

View Answer
135) The joint between human skull bones is called

A)

fibrous

B)

synovial

C)

cartilaginous

D)

hinge

View Answer
136) Which of the following is not an amino acid?

A)

Arginine

B)

Lysine

C)

Thymine

D)

Tryptophan

View Answer
137) The extra embryonic membranes of mammalian embryo are derived from

A)

trophoblast

B)

formative cells

C)

follicle cells

D)

inner cell mass

View Answer
138) Any plant susceptible to any disease is commonly known as

A)

tolerant host

B)

inoculation

C)

host

D)

colonization

View Answer
139) Minimata disease was caused due to pollution of water with

A)

AgNO3

B)

oil

C)

mercuric chloride

D)

DDT

View Answer
140) Aggregate fruit develops from

A)

syncarpous ovary

B)

multicarpellary, syncarpous ovary

C)

unilocular ovary

D)

multicarpellary, apocarpous ovary

View Answer
141) Which of the following is a sex-linked character?

A)

Polio

B)

Diabetes

C)

Baldness

D)

Colorblindness

View Answer
142) Urinary bladder is absent in

A)

reptiles

B)

aves

C)

amphibians

D)

mammals

View Answer
143) Which of the following disease occurs only in males?

A)

Fabrys disease

B)

Gauchers disease

C)

Lesch- Nyhan disease

D)

Hunters disease

View Answer
144) The Taj Mahal is threatened due to effect of

A)

chlorine

B)

hydrogen

C)

sulphur dioxide

D)

oxygen

View Answer
145) Haploid endosperm is found in

A)

wheat

B)

gram

C)

gymnosperm

D)

algae

View Answer
146) Which of the following ecosystem has the highest gross primary productivity?

A)

Rain forest

B)

Grassland

C)

Coral reef

D)

Mangroves

View Answer
147) In double fertilization, second male gamete and secondary nucleus fuse to form

A)

embryo

B)

embryo sac

C)

endosperm

D)

gamete

View Answer
148) The biofertilizers are

A)

cowdung, manure

B)

Anabaena and Azolla

C)

chemical manure

D)

All of the above

View Answer
149) VNTRs is used in

A)

regulation of plant growth hormones

B)

increasing the rate of photosynthesis in plant of desert zones

C)

DNA fingerprinting

D)

protoplasmic culture

View Answer
150) Mental retardation in man associated with sex chromosomal abnormality is usually due to

A)

reduction in X complement

B)

increase in X complement

C)

moderate increase in Y complement

D)

large increase in X complement

View Answer
151) What base is responsible for hot spots in spontaneous point mutation?

A)

Adenine

B)

Guanine

C)

5- bromouracil

D)

5- methylcytocine

View Answer
152) A fruit, developing from an inflorescence is called

A)

etaerio

B)

composite fruit

C)

achene

D)

berry

View Answer
153) The plants may face wilting due to use of excess fertilizers because of

A)

endosmosis

B)

exosmosis

C)

imbibition

D)

transpiration

View Answer
154) Banana is propagated by

A)

seeds

B)

leaf base

C)

suckers

D)

stem

View Answer
155) In which type of ovule, micropyle, chalaza, funicle are in one vertical plane?

A)

Orthotropous

B)

Anatropous

C)

Circinotropous

D)

Amphitropous

View Answer
156) Brain sand is found in

A)

pineal body

B)

thymus gland

C)

thyroid gland

D)

pituitary gland

View Answer
157) Thylakoids are present in

A)

nucleus

B)

mitochondria

C)

chloroplast

D)

cytoplasm

View Answer
158) Sexual reproduction is absent in

A)

Mango

B)

Cycos

C)

Pinus

D)

E. coli

View Answer
159) Match List- I (lamina shape) with List- II (examples in which they are found) and select the correct answer using the codes given below the lists.

List - I List - II

A. B. C. D. Acicular Linear Lanceolate Oblong 1. 2. 3. 4. Grass Nerium Banana Pine

A)

A             B             C             D                 4              1              2              3

B)

                4              1              3              2

C)

                4              2              3              1

D)

                4              3              2              1

View Answer
160) Monocarpic plant is

A)

neem

B)

bamboo

C)

apple

D)

mango

View Answer
161) Sporangia bearing leaf is called

A)

cataphyll

B)

sporophyll

C)

leaflet

D)

cladophyll

View Answer
162) BOD stands for

A)

biological oxide demand

B)

biological oxygen deduction

C)

basic oxygen demand

D)

biological oxygen demand

View Answer
163) The book Origin of Species is written by

A)

Aristotle

B)

Darwin

C)

Watson

D)

Lamarck

View Answer
164) Product of photosynthesis in blue-green algae is

A)

glycogen like

B)

glucoside

C)

globulin

D)

glycerophosphate

View Answer
165) Pasteur used the term for fermentation

A)

zymogenosis

B)

zymosis

C)

anaerobic respiration

D)

combustion

View Answer
166) The first dicarboxylic acid in Krebs cycle is

A)

isocitric acid

B)

pyruvic acid

C)

oxalo acetic acid

D)

\[\alpha \]- ketoglutaric acid

View Answer
167) Chromosomes with median centromere and equal arms are termed

A)

telocentric

B)

acentric

C)

metacentric

D)

submetacentric

View Answer
168) Husk fibre coir of commerce is obtained from which part of Cocos nucifera?

A)

Epicarp

B)

Endocarp

C)

Mesocarci

D)

Seed coat

View Answer
169) The brood pouch in sea horse is found at the belly of

A)

male

B)

female

C)

absent

D)

Both (a) and (b)

View Answer
170) Flying fish is

A)

Scoliodon

B)

Hippocampus

C)

Exocetus

D)

Torpedo

View Answer
171) Turtle or tortoise are the members of

A)

Pisces

B)

Amphibia

C)

Reptilia

D)

Mammalia

View Answer
172) Mammalian character is

A)

seven cervical vertebrae

B)

pulmonary respiration

C)

sebaceous glands

D)

All of the above

View Answer
173) Which one of the following will be different in different animals?

A)

Carbohydrates

B)

lipids

C)

Proteins

D)

Vitamins

View Answer
174) Mutualism is

A)

negative relationship

B)

positive relationship

C)

non- effective relationship

D)

harmful relationship

View Answer
175) What type of plants will flower when short photoperiods are followed by long photoperiods?

A)

Long- short day plants

B)

Short- long day plants

C)

Intermediate plants

D)

None of the above

View Answer
176) The bacteria breaking complex inorganic compounds in simple form are called

A)

parasites

B)

scavengers

C)

transformers

D)

inducers

View Answer
177) Carboxy haemoglobin is formed by combining haemoglobin with

A)

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

B)

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

C)

\[CO\]

D)

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

View Answer
178) Pancoasts syndrome is associated with

A)

neoplasm

B)

neophrania

C)

neophilism

D)

neophobia

View Answer
179) Nuhns glands are related with

A)

tongue

B)

ear

C)

hair

D)

nose

View Answer
180) When the Respiratory Quotient (RQ) is greater than 1, it indicates

A)

only aerobic respiration is taking place

B)

only anaerobic respiration is taking place

C)

Both (a) and (b)

D)

None of the above

View Answer
181) Dark purplish organ lying on the left side of abdomen is called

A)

liver

B)

spleen

C)

gallbladder

D)

appendix

View Answer
182) An octamer of four histones complexed with DNA is called

A)

endosome

B)

puff ring

C)

nucleotine

D)

nucleosome

View Answer
183) The leaves of Mimosa pudica when touched, droop down due to

A)

seismonasty

B)

epinasty

C)

nyctinasty

D)

All of these

View Answer
184) Corpora quadrigemina is related with

A)

vision

B)

smell

C)

taste

D)

touch

View Answer
185) Cryopreservation refers to germplasm protection by

A)

breeding with wild varieties

B)

energy flow through each trophic level

C)

high temperature treatment

D)

low temperature treatment

View Answer
186) Pheromone is

A)

produced by the environment

B)

produced by the body and released outside

C)

taken from outside into the body

D)

it is not a hormone but a pigment

View Answer
187) The process of maturation of reproductive cells in the testes is known as

A)

spermatocyte

B)

spermatogenesis

C)

androgenesis

D)

spermiogenesis

View Answer
188) The branch of science dealing with senescence is called

A)

Serology

B)

Genology

C)

Gerontology

D)

Cosmology

View Answer
189) Foolish seedling disease is associated with the discovery of

A)

auxin

B)

gibberellin

C)

cytokinin

D)

abscisic acid

View Answer
190) Female Anopheles is

A)

endogenous host for Plasmodium

B)

exogenous host for Plasmodium

C)

initial host

D)

None of the above

View Answer
191) Ultrastructure of gene includes

A)

cistron

B)

muton

C)

recon

D)

All of these

View Answer
192) Family- Leguminosae is divided on the basis of

A)

gynoecium

B)

corolla

C)

aestivation of calyx and corolla

D)

corolla and androecium

View Answer
193) Which of the following is communicable disease?

A)

Influenza

B)

Diabetes

C)

Hypertension

D)

Kwoshiorkor

View Answer
194) Y-chromosome of Drosophila contains genes for

A)

maleness

B)

femaleness

C)

infertility

D)

None of the above

View Answer
195) Interferons were discovered by

A)

Gajdusek

B)

Stanley and Prusiner

C)

Isaacs and Lindemann

D)

Randies

View Answer
196) Which of the following is a living fossil?

A)

Nautilus

B)

Peripatus

C)

Limulus

D)

All of these

View Answer
197) Sudden reappearance of some ancestral feature is

A)

atavism

B)

segregation

C)

epistasis

D)

hypostasis

View Answer
198) Which of the following is a pesticide?

A)

DDT

B)

BHC

C)

Aldrin

D)

All of these

View Answer
199) Glycolate cycle is meant for the metabolism a

A)

carbohydrates

B)

amino acids

C)

proteins

D)

lipids

View Answer
200) Cheese is prepared by using enzyme

A)

trypsin

B)

rennin

C)

zymase

D)

dextran

View Answer

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