Solved papers for AMU Medical AMU Solved Paper-2000

AMU Solved Paper-2000 Total Questions - 200

1) A car accelerates from rest at a constant rate \[\alpha \]for some time after which it decelerates at a constant rate \[\beta \] to come to rest. If the total time elapsed is t second, the maximum velocity reached is

A)

\[\frac{{{\alpha }^{2}}\beta t}{{{\alpha }^{2}}+{{\beta }^{2}}}\]

B)

\[\frac{\alpha \beta t}{\alpha +\beta }\]

C)

\[\frac{{{\beta }^{2}}\alpha }{{{\alpha }^{2}}+\beta }\]

D)

\[\frac{\alpha \beta }{t}\]

View Answer
2) The OR gate follows the Boolean expression, for A and B as two input variables and Y as output

A)

A + B = Y

B)

A. B = V

C)

\[\overline{A}\] = Y

D)

None of these

View Answer
3) If the frequency of the incident light is doubled, the kinetic energy of the emmitted electron will be

A)

zero

B)

reduced to \[\frac{1}{3}\]

C)

also doubled

D)

None of these

View Answer
4) If the two interfering beams have intensities in the ratio of 9 : 4. The ratio of intensities of maxima and minima in the interference pattern will be

A)

4 : 9

B)

3 : 4

C)

1 : 25

D)

25 : 1

View Answer
5) The charge of an electron is \[1.6\times {{10}^{-19}}C.\]How many electrons strike the screen of cathode ray tube each second, when the beam current is 16 m A?

A)

\[\text{1}{{0}^{-\text{19}}}\]

B)

\[\text{1}{{0}^{-17}}\]

C)

\[\text{1}{{0}^{-18}}\]

D)

\[\text{1}{{0}^{17}}\]

View Answer
6) A 500 kg horse pulls a cart of mass 1500 kg along a level road with an acceleration of \[\text{1 m}/{{\text{s}}^{\text{2}}}.\] If the coefficient of sliding friction 0.2. The horizontal force exerted by the earth on the horse is

A)

6000 N

B)

5000 N

C)

4000 N

D)

3000 N

View Answer
7) A object of mass 5 kg falls from rest through: a vertical distance of 20 m and reaches with a velocity of 10 m/s. How much work is    done by push of air on the object?              \[\left( \text{g }=\text{ 9}.\text{6 m}/{{\text{s}}^{\text{2}}} \right)\]

A)

-730 J

B)

-365 J

C)

-530 J

D)

-1460 J

View Answer
8) A 1.0 kg ball falls vertically on to the floor with a speed of 25 m/s. It rebounds with an initial speed of 10 m/s. Find the restitution coefficient and the impulse acting on the ball during contact, if the ball is in contact for 0.02 s. What is average exerted force on the floor ?

A)

0.1, 55 kg m/s, 1550 N

B)

0.2, 45 kg m/s 1650 N

C)

0.3, 30 kg m/s, 1550 N

D)

0.4, 35 kg m/s, 1750 N

View Answer
9) A substance reduces to 1/16th of its original mass in 2 h. The half-life period of the substance will be

A)

120 min

B)

60 min

C)

30 min

D)

15 min

View Answer
10) If the distance between the conduction band and valence band is 1 eV. This combination is

A)

semiconductor

B)

conductor

C)

metal

D)

insulator

View Answer
11) In a nuclear fission reaction

A)

A heavy nuclei breaks by itself

B)

A heavy nuclei bombarded by thermal neutrons break up

C)

A light nucleus bombarded by thermal neutrons break up

D)

The light nucleus combine to produce a heavier nucleus

View Answer
12) In 1865 the existance of electromagnetic waves was predicted by

A)

Maxwell

B)

Hertz

C)

Bose

D)

Marconi

View Answer
13) Two positive point charges of \[12\mu \,C\]and \[8\mu \,C\]are 10 cm apart. The work done in bringing them 4 cm closer, is

A)

1.3 eV

B)

13 J

C)

5.8 J

D)

5.8 eV

View Answer
14) Energy in Bohrs orbit is given by the \[{{E}_{n}}=-\left( \frac{B}{{{n}^{2}}} \right)\] where n is principal quantum number and \[\text{B}=\text{2}.\text{2}\times \text{1}{{0}^{\text{18}}}\text{ J}.\]The frequency of radiation when an electron jumps from the third orbit to the second orbit is \[\left( h=6.6\times \text{1}{{0}^{-34}}\text{ Js} \right)\]

A)

\[\text{4}.\text{6}\times \text{1}{{0}^{\text{14}}}\text{ Hz}\]

B)

  \[\text{2}.\text{3}\times \text{1}{{0}^{\text{14}}}\text{ Hz}\]

C)

\[\text{8}.\text{2}\times \text{l}{{0}^{\text{14}}}\text{Hz}\]

D)

None of these

View Answer
15) The wavelength of the first member of the Balmer series of hydrogen spectrum is \[6563\,\overset{\text{o}}{\mathop{\text{A}}}\,\]. Calculate the wavelength of second member of the Paschen series in the same spectrum

A)

\[8563\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[10818\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[6409\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[12818\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
16) In a triode valve, the current in the plate circuit is controlled by

A)

ammeter

B)

grid

C)

cathode

D)

anode

View Answer
17) An electron beam passes through a magnetic field of \[\text{2}\times \text{1}{{0}^{-3}}\] \[\text{Wb}/{{\text{m}}^{\text{2}}}\]and an electric field of \[1.0\times \text{1}{{0}^{\text{4}}}\text{V}/\text{m}\]both acting simultaneously. The path of electron remains undeviated. The speed of electron, if the electric field is removed, and the radius of electron path will be respectively

A)

\[\text{1}0\times \text{1}{{0}^{\text{6}}}\text{ m}/\text{s},\text{ 2}.\text{43 cm}\]

B)

\[\text{2}.\text{5}\times \text{1}{{0}^{\text{6}}}\text{ m}/\text{s},\text{ }0.\text{43 cm}\]

C)

\[\text{5}\times \text{l}{{0}^{\text{6}}}\text{m}/\text{s},\text{ 1}.\text{42cm}\]

D)

None of the above

View Answer
18) If the earth field induction at a place is 0.36 respectively gauss and angle of dip is \[60{}^\circ \]. The horizontal and vertical component of the field will be

A)

0.18 gauss, 0.18 \[\sqrt{3}\]gauss

B)

0.09 gauss, 0.09 \[\sqrt{3}\]gauss

C)

0.36 gauss, 0.36 \[\sqrt{3}\]gauss

D)

None of the above

View Answer
19) A coil of mean area 500 \[c{{m}^{2}}\] and having 1000 turns is held perpendicular to a uniform field of 0.4 gauss. The coil is turned through \[180{}^\circ \] in s the average induced emf will be

A)

0.08 V

B)

0.16 V

C)

1.6 V

D)

0.04 V

View Answer
20) The internal resistance of a cell of emf 2 V is 0.10. It is connected to a resistance of 3.9 \[\Omega \] the voltage across the cell will be

A)

1.95 V

B)

12.7 V

C)

1.5 V

D)

6.71 V

View Answer
21) An inductance of 1 mH and a capacitance of 10 h F are connected in a circuit. The angular frequency of circuit will be

A)

\[\text{1}{{0}^{\text{3}}}\text{ rad}/\text{s}\]

B)

\[\text{1}{{0}^{4}}\text{ rad}/\text{s}\]

C)

\[\text{1}{{0}^{2}}\text{ rad}/\text{s}\]

D)

\[\text{1}{{0}^{5}}\text{ rad}/\text{s}\]

View Answer
22) If an AC main supply is given to be 220 V. The average emf during a positive half cycle will be

A)

198 V

B)

220 V

C)

240 V

D)

220 \[\sqrt{2}\] V

View Answer
23) A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 f2. When the alternating emf of 220 V at 50 Hz is applied to it then the phase through which current lags behind the applied emf and the wattless component of current in the circuit will be respectively

A)

\[~30{}^\circ ,\text{ }1\text{ }A\]

B)

\[~45{}^\circ ,\text{ }0.5\text{ }A\]

C)

\[~69{}^\circ ,\text{ }1.5\text{ }A\]

D)

None of these

View Answer
24) A step up transformer operates on a 220 V line and supplies to a load of a current of 2 A. The ratio of turns in primary and the secondary winding is 25 : 1. The secondary voltage, primary current and power output will be respectively

A)

5500 V,50 A,11 kW

B)

500 V, 25 A, 22 kW

C)

2400 V, 40 A, 5.5 kW

D)

None of the above

View Answer
25) Electron moves at right angle to a magnetic field of \[\text{1}.\text{5}\times \text{1}{{0}^{-\text{2}}}\] T with speed of \[\text{6}\times \text{1}{{0}^{\text{7}}}\text{ m}/\text{s}.\] If the specific charge of the electron is \[\text{1}.\text{7}\times \text{1}0\text{11 C}/\text{kg}.\] The radius of circular path will be

A)

3.31 cm

B)

4.31 cm

C)

1.31cm

D)

2.35 cm

View Answer
26) Find the number of photon emitted per second by a 25 W source of monochromatic light of wavelength \[6600\,\overset{\text{o}}{\mathop{\text{A}}}\,\]. What is the photoelectric current assuming 3% efficiency for photoelectric effect ?

A)

\[\frac{25}{3}\times {{10}^{19}}J,0.4\,A\]

B)

\[\frac{25}{4}\times {{10}^{19}}J,6.2\,A\]

C)

\[\frac{25}{2}\times {{10}^{19}}J,0.8\,A\]

D)

None of the above

View Answer
27) The de-Broglie wavelength of thermal neutron is of the order of the

A)

size of grain

B)

Bohrs radius

C)

distance between atom in crystal

D)

size of nucleus

View Answer
28) Figure below shows regular hexagon, the charges are placed at the vertices. In which of the following cases the electric field at the centre is zero?

A)

B)

C)

D)

View Answer
29) The equation of a wave moving on a string is \[\text{y}=8\text{ sin2}\,\pi \text{ }\left( 0.0\text{1 x}-\text{2 }\omega \text{t} \right),\] where y and x are in cm and t in second the amplitude of wave is

A)

8 cm

B)

25 cm

C)

50 cm

D)

100 cm

View Answer
30) The motion of particle is described by the equation\[x=a+b{{t}^{2}}\]where a = 15 cm and \[\text{b}=\text{3 cm}/\text{sb }=\text{ 3 cm}/{{\text{s}}^{\text{2}}}.\]Its instant velocityat time 3 s will be

A)

36 cm/s

B)

9 cm/s

C)

4.5 cm/s

D)

18 cm/s

View Answer
31) For a particle in a uniformly accelerated circular motion

A)

velocity is radial and acceleration has both radial and transverse components

B)

velocity is transverse and acceleration has both radial and transverse components

C)

velocity is radial and acceleration is transverse only

D)

velocity is transverse and acceleration is radial only

View Answer
32) A long capillary tube of radius 1 mm open at both ends are filled with water and placed vertically. What will be the height of column of water left in capillary ?   The thickness of wall of capillary     is negligible. (surface tension of water \[=\text{ 73}.\text{5}\times \text{1}{{0}^{-3}}\text{ N}/\text{m},\] density of water \[\text{1}{{0}^{17}}\]

A)

3 cm

B)

1.5 cm

C)

4.5 cm

D)

6 cm

View Answer
33) A steel wire of length 20 cm and uniform cross section 1 mm2 is tied rigidly at both the ends. If temperature of the wire is altered from \[40{}^\circ C\] to \[20{}^\circ C\]. Calculate the change in tension. (Given coefficient of linear expansion of steel \[\alpha =\text{1}.\text{1}\times {{10}^{-5}}/{}^\circ \text{C}\]and Youngs modulus Vfor steel \[=\text{ 2}\times \text{1}{{0}^{\text{11}}}\text{ N}/{{\text{m}}^{\text{2}}})\]

A)

88 N

B)

UN

C)

44 N

D)

22 N

View Answer
34) Two vessels of different materials are identical in size and wall thickness, they are filled with equal quantities of ice at \[0{}^\circ C\]. If the ice melts completely in 10 and 25 min respectively, then the coefficients of thermal conductivities of the material are

A)

2 : 3

B)

3 : 5

C)

5 : 2

D)

1 : 1

View Answer
35) If the root mean square velocity of the molecules of hydrogen at NTP is 1.84 km/s. Calculate the root mean square velocity of oxygen molecule at NTP molecule weight of hydrogen and oxygen are 2 and 32, respectively.

A)

1.47km/s .

B)

0.94 km/s

C)

1.84 km/s

D)

0.47 km/s

View Answer
36) The pressure p and density ratio of a diatomic gas \[\left( y=\frac{7}{5} \right)\]changes adiabatically from\[(\text{P},~\left( \text{p},\text{ }\rho \right).\text{ If }\frac{\rho }{\rho }=\text{32},\] then what is value of -\[\frac{p}{p}\] ?

A)

128

B)

256

C)

64

D)

32

View Answer
37) Calculate the work done when 1 mole of perfect gas is compressed adiabatically the initial pressure and volume of gas are \[\text{1}{{0}^{\text{5}}}\text{ N}/{{\text{m}}^{\text{2}}}\]and 6 L, respectively. The final value of the gas is 2 L molar specific heat of the gas at on constant volume is \[\frac{3R}{2}({{3}^{5/3}}=6.19)\]

A)

857 J

B)

757 J

C)

1057 J

D)

957 J

View Answer
38) Three bars of equal lengths and equal areas of cross-section are connected in series. Their thermal conductivities are in the ratio of 2 : 4 : 3. If the open ends of the first and the last bars are at temperatures \[200{}^\circ C\] and \[18{}^\circ C\] respectively in the steady state, the temperature of the two junctions is

A)

\[60{}^\circ C,\text{ }50{}^\circ C\]

B)

\[116{}^\circ C,\text{ }74{}^\circ C\]

C)

\[55{}^\circ C,\text{ }65{}^\circ C\]

D)

\[160{}^\circ C,\text{ }80{}^\circ C\]

View Answer
39) The temperature of a furnace is \[2324{}^\circ C\] and the intensity is maximum in its radiation spectrum 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 surface temperature of the star is

A)

\[7219.5{}^\circ C\]

B)

\[6219.5{}^\circ C\]

C)

\[6319.5{}^\circ C\]

D)

None of these

View Answer
40) A thunder clap is heard 5.5s after the lightening flash. The distance of the flash is (velocity of sound in f...t = 330 m/s)

A)

1815m

B)

1750m

C)

4600m

D)

3630m

View Answer
41) A wave is expressed by the equation \[\text{y}=0.\text{5 sin it}\left( 0.0\text{1x}-\text{3t} \right),\]where x, y are in metres and t in seconds. The speed of propagation will be

A)

300 m/s

B)

150 m/s

C)

250 m/s

D)

450 m/s

View Answer
42) A stretched string of length 1 m and mass \[\text{5}\times \text{1}{{0}^{-4}}\text{ kg}\] fixed at both ends is under tension of 20 N. it is plucked at a point situated at 25 cm from one end. The frequency of vibration of the string will be

A)

125 Hz

B)

50 Hz

C)

200 Hz

D)

  100 Hz

View Answer
43) A small air bubble is situated in a cube of 24 cm edge when viewed from one face, it appear to be 10 cm from the surface and through the opposite face is 6 m from the surface. Then the refractive index of the material of the cube is

A)

1.6

B)

1.5

C)

1.3

D)

1.4

View Answer
44) Light travels in two medium A and B with speeds \[\text{2}\times \text{l}{{0}^{\text{8}}}\text{ m}/\text{s}\]and \[\text{2}.\text{4}\times \text{l}{{0}^{\text{8}}}\text{ m}/\text{s}\] respectively. The critical angle C between them will be

A)

\[56.4{}^\circ \]

B)

\[28.2{}^\circ \]

C)

\[50.4{}^\circ \]

D)

\[39.4{}^\circ \]

View Answer
45) A thin prism Pi with angle \[6{}^\circ \] and made from glass of refractive index 1.54 is combined with another thin prism \[{{P}_{2}}\]of refractive index 1.72 to produce dispersion without deviation. The angle of prism \[{{P}_{2}}\]will be

A)

\[~4{}^\circ \text{ }30~'\]

B)

\[8.5{}^\circ \]

C)

\[6.5{}^\circ \]

D)

None of these

View Answer
46) A person can see clearly objects lying between 15 cm and 100 cm from his eye. What will be the range of his vision, if he wear close fitting spectacles having a power of 0.8 D ?

A)

17 cm to 500 cm

B)

34 cm to 250 cm

C)

20 cm to 200 cm

D)

None of the above

View Answer
47) A convergent lens of focal length 5 cm is used as a magnifying glass. If the image is formed at infinity. The magnifying power will be

A)

5

B)

4

C)

6

D)

10

View Answer
48) A ray of light is incident surface of a plate of glass of refractive index 1.5 at polarising angle. The angle of refraction of the ray will be

A)

\[60.2{}^\circ \]

B)

\[16.8{}^\circ \]

C)

\[43.7{}^\circ \]

D)

\[33.7{}^\circ \]

View Answer
49) The charge on capacitors shown in figure and the potential difference across each will be respectively

A)

\[\text{24}0\mu \text{C},\text{8}0\mu \text{C},\text{16}0\mu \text{C and 8}0\text{ V},\text{ 4}0\text{ V},\text{ 4}0\text{V}\]

B)

\[\text{3}00\mu \text{C},\text{75}\mu .\text{C},\text{15}0\mu \text{C and 4}0\text{ V},\text{ 8}0\text{ V},\text{ 6}0\text{V}\]

C)

\[\text{22}0\mu \text{C},\text{7}0\mu \text{C},\text{14}0\mu \text{C and 6}0\text{ V},\text{ 5}0\text{ V},\text{ 4}0\text{V}\]

D)

None of the above

View Answer
50) A current of 5A flows through an electric press of resistance 44 Cl. The energy consumed in 5 min is

A)

\[\text{3}.\text{3}\times \text{l}{{0}^{\text{5}}}\text{J}\]

B)

\[2.5\times {{10}^{3}}J\]

C)

\[1.5\times {{10}^{2}}J\]

D)

\[{{10}^{8}}J\]

View Answer
51) The correct value of the gas constant R is close to

A)

0.082 L-atm \[{{K}^{-1}}\,mo{{l}^{-1}}\]

B)

0.082 \[L-at{{m}^{-1}}\] K mol

C)

0.082 L-atm K mol

D)

0.082 \[L-at{{m}^{-1}}\] K mol

View Answer
52) Which one is correct for de-Broglie equation?

A)

                \[E=\frac{\lambda }{p}\]

B)

                \[E=\frac{h}{\lambda }\]

C)

\[E=\frac{h}{p}\]

D)

None of these

View Answer
53) It is possible to obtain oxygen from air by fractional distillation because

A)

oxygen has lower density than nitrogen

B)

oxygen is in different group of periodic table from nitrogen

C)

oxygen is more active than nitrogen

D)

oxygen has higher boiling point than nitrogen

View Answer
54) The rise in the boiling point of a solution containing 1.8 g of glucose in 100 g of a solvent is \[{{0.1}^{o}}C\]. The molal elevation constant of the liquid is

A)

0.01 K/m

B)

0.1 K/m

C)

IK/m

D)

10 K/m

View Answer
55) Which one of the following will show optical activity?

A)

B)

C)

D)

None of the above

View Answer
56) If the enthalpy of vaporisation of water is 186.5 J/mol, the entropy of its vaporization will be

A)

\[0.5\,J{{K}^{-1}}\,mo{{l}^{-1}}\]

B)

\[1.0\,J{{K}^{-1}}\,mo{{l}^{-1}}\]

C)

\[1.5\,J{{K}^{-1}}\,mo{{l}^{-1}}\]

D)

\[2.0\,J{{K}^{-1}}\,mo{{l}^{-1}}\]

View Answer
57) Gibbs free energy G, enthalpy H, and entropy are related as

A)

\[G-TS=H\]

B)

\[G=H+TS\]

C)

\[S=H-G\]

D)

\[G=H-TS\]

View Answer
58) Which one of the following plots is true for the first order decomposition of \[\,{{N}_{2}}{{O}_{5}}\]?

A)

B)

C)

D)

View Answer
59) The half-life period for a zero order reaction is

A)

\[{{t}_{1/2}}\propto {{a}^{3}}\]

B)

\[{{t}_{1/2}}\propto {{a}^{2}}\]

C)

\[{{t}_{1/2}}\propto a\]

D)

\[{{t}_{1/2}}\propto \frac{1}{a}\]

View Answer
60) Which one of the following statements is correct for a positive catalyst?

A)

It initiates the reaction

B)

It changes the state of equilibrium in favour of formation of product

C)

It provides an alternative reaction path of lower activation energy

D)

It provides activation energy to the reactants

View Answer
61) The IUPAC name of the compound \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\] based on latest nomenclature system is

A)

pentanone-2

B)

pentan-2-one

C)

2-pentanone

D)

All of these

View Answer
62) In the elimination reactions, the reactivity of alkyl halides follows the sequence

A)

\[R-F>R-I>R-Br>R-Cl\]

B)

\[R-F>R-Cl>R-Br>R-I\]

C)

\[R-I>R-Br>R-Cl>R-F\]

D)

\[R-I>R-F>R-Br>R-Cl\]

View Answer
63) The iodoform test is not given by

A)

\[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ O \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\]

B)

\[C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-C{{H}_{3}}\]

C)

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

D)

\[C{{H}_{3}}C{{H}_{2}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}C{{H}_{3}}\]

View Answer
64) Sucrose on hydrolysis gives

A)

fructose + ribose

B)

glucose + fructose

C)

glucose + glucose

D)

fructose + fructose

View Answer
65) Which of the following has highest boiling point?

A)

\[{{(C{{H}_{3}})}_{3}}N\]

B)

\[{{C}_{2}}{{H}_{5}}NHC{{H}_{3}}\]

C)

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

D)

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

View Answer
66) When alkyl halide reacts with aqueous sodium hydroxide to give alcohol, the reaction is called

A)

electrophilic substitution

B)

nucleophilic substitution

C)

free radical substitution

D)

None of the above

View Answer
67) Which of the following does not undergo benzoin condensation?

A)

\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}CHO\]

B)

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

C)

D)

View Answer
68) The reaction between an alkyl halide and an alkoxide ion to give an ether is known as

A)

Williamsons synthesis

B)

Clemmensens reduction

C)

Fittig reaction

D)

Wurtz reaction

View Answer
69) During bleaching of chlorine an antichlor is employed to

A)

eliminate last traces of bleaching agent

B)

remove greases from the fibre

C)

liberate oxygen

D)

enhance bleaching action

View Answer
70) The proper name for \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]

A)

hexamine cobalt trichloride

B)

hexamine cobalt (III) chloride

C)

hexamoniacobalt trichloride

D)

cobalt hexamine chloride

View Answer
71) Sequence of acidic character is

A)

\[{{N}_{2}}{{O}_{5}}>S{{O}_{2}}>CO>C{{O}_{2}}\]

B)

\[{{N}_{2}}{{O}_{5}}>S{{O}_{2}}>C{{O}_{2}}>CO\]

C)

\[S{{O}_{2}}>C{{O}_{2}}>CO>{{N}_{2}}{{O}_{5}}\]

D)

\[S{{O}_{2}}>{{N}_{2}}{{O}_{5}}>CO>C{{O}_{2}}\]

View Answer
72) Which is a metalloid?

A)

Manganese

B)

Phosphorus

C)

Oxygen

D)

Arsenic

View Answer
73) The oxides, \[Cr{{O}_{3}},\,Mo{{O}_{3}}\] and \[W{{O}_{3}}\] are strongly

A)

neutral

B)

acidic

C)

basic

D)

None of these

View Answer
74) Which is the correct order of the first ionization potential of N, O and C?

A)

\[C>N>O\]

B)

\[O>N>C\]

C)

\[C<N>O\]

D)

\[C>N\sim O\]

View Answer
75) Among the following statements the incorrect one is

A)

zinc blende and iron pyrites are sulphides

B)

calamine and siderite are carbonates

C)

malachite and azurite are ores of copper

D)

argentite and cuprite are oxides

View Answer
76) The oxidation number of chlorine in \[HCl{{O}_{4}}\] is

A)

+7

B)

+5

C)

+3

D)

-1

View Answer
77) Nitrous acid reacts with \[{{H}_{2}}S{{O}_{4}}\] to give

A)

\[NO+S{{O}_{3}}\]

B)

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

C)

\[NO+S{{O}_{2}}\]

D)

None of these

View Answer
78) Pyrolusite is an ore of

A)

polonium

B)

manganese

C)

tin

D)

lead

View Answer
79) Turnbulls blue is a compound

A)

ferri cyanide

B)

ferrous ferri cyanide

C)

ferrous cyanide

D)

ferri ferro cyanide

View Answer
80) What is the composition of tear gas?

A)

\[KCl\,.\,\,MgC{{l}_{2}}24{{H}_{2}}O\]

B)

\[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\,.\,\,n{{H}_{2}}O\]

C)

\[C{{l}_{3}}CN{{O}_{2}}\]

D)

\[{{K}_{4}}Fe{{(CN)}_{6}}\]

View Answer
81) Halogen having greatest electron affinity

A)

F

B)

Cl

C)

Br

D)

I

View Answer
82) Braggs law is given by the equation

A)

\[n\lambda =2d\sin \theta \]

B)

\[\lambda =2\,nd\sin \theta \]

C)

\[2n\,\lambda =d\sin \theta \]

D)

\[n\lambda =2\theta \sin \theta \]

View Answer
83) For a reaction to occur spontaneously

A)

\[\Delta T+T\Delta S\] must be negative

B)

\[\Delta H-T\Delta S\] must be negative

C)

\[\Delta S\] must be negative

D)

\[\Delta H\] must be negative

View Answer
84) Consider the equilibrium \[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g);\,\Delta H=-93.6\,kJ\]The maximum yield of ammonia is obtained by

A)

increase of temperature and decrease of pressure

B)

decrease of both the temperature and pressure

C)

increase of both the temperature and pressure

D)

decrease of temperature and increase of pressure

View Answer
85) For the reaction,\[PC{{l}_{5}}(g)PC{{l}_{3}}(g)+C{{l}_{2}}(g)\]

A)

\[{{K}_{p}}={{K}_{c}}[RT]\]

B)

\[{{K}_{p}}={{K}_{c}}{{[RT]}^{2}}\]

C)

\[{{K}_{p}}={{K}_{c}}{{[RT]}^{-1}}\]

D)

\[{{K}_{p}}={{K}_{c}}\]

View Answer
86) A solid is formed from atom A and B and crystallizes into a face centred cubic lattice with A at the face centred position and B at the comers of the cube. Its molecular formula is represented by

A)

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

B)

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

C)

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

D)

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

View Answer
87) Which is not deflected by magnetic field?

A)

Proton

B)

Neutron

C)

Electron

D)

Positron

View Answer
88) Which of the following pairs are correctly matched?

A)

Isoelectronics \[{{N}^{3-}},{{O}^{2-}},C{{r}^{3-}}\]

B)

Isotones \[_{14}S{{i}^{30}}{{,}_{15}}{{p}^{31}}{{,}_{16}}{{S}^{32}}\]

C)

Isotopes \[_{20}C{{a}^{40}}{{,}_{19}}{{K}^{40}}\]

D)

Isobars \[_{8}{{O}^{16}}{{,}_{8}}{{K}^{17}}{{,}_{8}}{{O}^{18}}\]

View Answer
89) The weight of 11.2 L of \[C{{O}_{2}}\] at STP would be

A)

                22 g

B)

                32 g

C)

44 g

D)

88 g

View Answer
90) Addition of cone. \[HCl\] to saturated \[BaC{{l}_{2}}\]solution precipitates \[BaC{{l}_{2}}\]: because

A)

at constant temperature, the product \[[B{{a}^{2+}}]\,\,.\,C{{l}^{-2}}{{]}^{2}}\] remains constant in a saturated solution

B)

ionic product \[[B{{a}^{2+}}]\,\,.\,\,[C{{l}^{-}}]\] remains constant in a saturated collection

C)

the ionic product \[[B{{a}^{2+}}]\,{{[C{{l}^{-2}}]}^{2}}\] is greater than solubility product

D)

it follows from Le-Chateliers principle

View Answer
91) Which of the following will occur if a 0.1 M solution of a weak acid is diluted to 0.01 M at constant temperature?

A)

\[{{K}_{a}}\] will increase

B)

pH will decrease

C)

Percent ionisation increase

D)

\[[{{H}^{+}}]\] will decrease to 0.01 M

View Answer
92) In the equilibrium \[AB(s)A(g)+B(g)\] If the equilibrium concentration of A is doubled, the equilibrium concentration of B would become

A)

half

B)

twice

C)

\[\frac{1}{8}th\]

D)

\[\frac{1}{4}th\]

View Answer
93) The standard reduction potentials of some electrodes are                 \[{{E}^{o}}_{({{K}^{+}},K)}=-2.9\,V;\]                 \[{{E}^{o}}_{(Z{{n}^{2+}},Zn)}=-0.76\,\,V\]                 \[{{E}^{o}}_{\left( {{H}^{+}},\frac{1}{2}{{H}_{2}} \right)}=-0.0\]                 \[{{E}^{o}}_{(C{{u}^{2+}},Cu)}=-0.0\] The electrode acting as strong reductant is

A)

K

B)

Cu

C)

Zn

D)

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

View Answer
94) The freezing points of equimolar solutions of glucose, \[KN{{O}_{3}}\] and \[AlC{{l}_{3}}\] are in the order of

A)

\[AlC{{l}_{3}}<\] glucose \[<KN{{O}_{3}}\]

B)

\[AlC{{l}_{3}}<KN{{O}_{3}}<\] glucose

C)

glucose \[<KN{{O}_{3}}<AlC{{l}_{3}}\]

D)

glucose \[<AlC{{l}_{3}}<KN{{O}_{3}}\]

View Answer
95) What will be the molarity of a solution containing 5.0 g of \[NaOH\]in 250 mL solution?

A)

0.1

B)

0.5

C)

1.0

D)

2.0

View Answer
96) Which one of the following is the correct decreasing order of boiling point?

A)

\[{{H}_{2}}Te>{{H}_{2}}O>{{H}_{2}}Se>{{H}_{2}}S\]

B)

\[{{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Se>{{H}_{2}}Te\]

C)

\[{{H}_{2}}Te>{{H}_{2}}Se>{{H}_{2}}S>{{H}_{2}}O\]

D)

\[{{H}_{2}}O>{{H}_{2}}Te>{{H}_{2}}Se>{{H}_{2}}S\]

View Answer
97) van der Waals forces are applied to

A)

elementary gases only

B)

mixture of gases

C)

inert gases only

D)

rare gases only

View Answer
98) Among the following the most highly ionized in water is

A)

\[C{{H}_{2}}(Cl)C{{H}_{2}}C{{H}_{2}}COOH\]

B)

\[C{{H}_{3}}C{{H}_{2}}CC{{l}_{2}}COOH\]

C)

\[C{{H}_{3}}CH(Cl)C{{H}_{2}}COOH\]

D)

\[C{{H}_{3}}C{{H}_{2}}CH(Cl)COOH\]

View Answer
99) Sangars reagent is

A)

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

B)

C)

D)

View Answer
100) Geometrical isomerism is shown by

A)

B)

C)

D)

View Answer
101) Bulk of RNA is synthesized in a cell during

A)

S - phase

B)

\[{{G}_{1}}\]- phase

C)

                \[{{G}_{2}}\]- phase

D)

                M - phase

View Answer
102) Other than DNA polymerase, which are the enzymes involved in DNA synthesis?

A)

                Topoisomerase

B)

                Helicase

C)

                RNA primase

D)

                All of the above

View Answer
103) Which constitution is correct?

A)

                RNA polymerase\[\to {{\alpha }_{2}}\beta {{\beta }^{1}}\delta \left( E.coli \right)\]

B)

                RNA polymerase\[\to {{\alpha }_{2}}\beta {{\beta }^{1}}\left( E.coli \right)\]

C)

                RNA polymerase\[\to {{\alpha }_{2}}\beta {{\beta }^{1}}\sigma \left( E.coli \right)\]

D)

                RNA polymerase\[\to {{\alpha }_{2}}{{\beta }^{2}}\sigma \left( E.coli \right)\]

View Answer
104) The concept of "biological species" was proposed by

A)

                Carolus Linnaeus

B)

                Darwin

C)

                E Mayer

D)

                Von Baer

View Answer
105) In an experiment, an Amoeba was transferred from a container A to container B, Amoeba developed a contractile vacuole. However, the vacuole disappeared again when the Amoeba was transferred back to container A. The container A and B respectively contained

A)

                fresh and marine water

B)

                marine and freshwater

C)

                Both contained freshwater

D)

                Both contained marine water

View Answer
106) In normal atmosphere, the amount of oxygen in air and dissolved oxygen in water respectively are

A)

                21% and 17%

B)

                95% and 15%

C)

                32% and 7%

D)

                67% and 13%

View Answer
107) What is detected in the urine of a woman to confirm pregnancy?

A)

                Progesterone

B)

                Insulins

C)

                HCG

D)

                Oxytocins

View Answer
108) Which of these bile products is not used in the solubilization?

A)

                Bile salts

B)

                Cholesterol

C)

                Lecithin

D)

                Bile pigments

View Answer
109) Vitamin-A can be synthesized inside the body by

A)

                stomach

B)

                pancreas

C)

                liver

D)

                spleen

View Answer
110) One mg of thyroxin increases the metabolic rate to about

A)

                2.5%

B)

                5%

C)

                10%

D)

                15%

View Answer
111) Which of the following vitamins is used in electron transport system?

A)

                Calciferol

B)

                Thiamine

C)

                Riboflavin

D)

                Ascorbic acid

View Answer
112) Protein C, which inactivates factor VIII and thereby partly inhibits the clotting mechanism is activated by

A)

                tissue factor pathway inhibitor

B)

                thrombin

C)

                antithrombin - III

D)

                heparin

View Answer
113) The fusion of paternal and maternal sets of chromosomes of haploid gametes is known as

A)

                amphimixis

B)

                coition

C)

                synkaryon

D)

                insemination

View Answer
114) Which one of the following genotype has one barr body?

A)

                XY

B)

                XX

C)

                XXX

D)

                XYY

View Answer
115) In evolution, the resemblance between widely different or animals due to common adaptation may referred to as an example of

A)

                convergent evolution

B)

                molecular analogy

C)

                molecular homology

D)

                homoplastic appearance

View Answer
116) The interaction between a particular kind of organism and its environment is called

A)

                ecosystem

B)

                niche

C)

                adaptation

D)

                biome groups

View Answer
117) Excessive pulling of ligaments between two bones cause

A)

                fracture of the bones

B)

                sprain

C)

                breakage of the muscles

D)

                All of the above

View Answer
118) Which of the vitamins cant be deposited Inside the body?

A)

                Ascorbic acid

B)

                Calciferol

C)

                Vitamin-K

D)

                Retinol

View Answer
119) Oenothera type of female gametophyte is always

A)

                8 nucleate and 7 celled

B)

                16 nucleate and 13 celled

C)

                8 nucleate and 8 celled

D)

                4 nucleate and 4 celled

View Answer
120) It is matter of common observation that monocots and dicots have one and two cotyledons respectively but in gymnosperms the number of cotyledons are

A)

                always 3

B)

                3-8

C)

                2-5

D)

                variable 1-2

View Answer
121) The neck of archegonium of Pinus roxburghii is made up of

A)

                8 cells arranged in 4 tiers of 2 cells each

B)

                8 cells arranged in 2 tiers of 4 cells each

C)

                4 cells arranged in 2 tiers of 2 cells each

D)

                4 cells arranged in a single tier

View Answer
122)  If sporangia are developed from a single Initial cell, the development of sporangia is designated as

A)

                eusporangiate

B)

                leptosporangiate

C)

                monosporangiate

D)

                polysporangiate

View Answer
123) Turpentine oil, which is one of the most important raw material of paint and varnish industry is the product obtained from

A)

                fractional distillation of petroleum

B)

                destructive distillation of wood

C)

                alpine forest

D)

                None of the above

View Answer
124) TLV (Threshold Limit Value) of methyl isocynate is

A)

                0.002 ppm

B)

                0.02 ppm

C)

                0.2 ppm

D)

                0.005 ppm

View Answer
125) Like angiospermic parasite such as Cuscuta, there are some parasitic forms of Rhodophyta, which are colourless, heterotrophic and grow on other members of Rhodophyta. Select which one is a parasitic form of red algae?

A)

                Gelidium

B)

                Harveyella

C)

                Choridras

D)

                Both (a) and (b)

View Answer
126) In the vast marine ecosystem, certain sea develops red coloration. This red color is due to the presence of large population of which one of the following organisms?

A)

                Trichodesmium erythrium

B)

                Physarium

C)

                Dinoflagellates

D)

                Diatoms and members of red algae

View Answer
127) Megasporophylls, which are arranged spirally and acropetally on the central axis of the female cone of Pinus bear

A)

                4 megasporangia on dorsal surface

B)

                2 megasporangia on ventral surface

C)

                2 megasporangia on dorsal surface

D)

                4 megasporangia on ventral surface

View Answer
128) In Pinus roxburghii, the common pine tree, microsporophyll is having

A)

                2 microsporangia on abaxial side of microsporophyll

B)

                4 microsporangia on abaxial side of microsporophyll

C)

                2 microsporangia on adaxial side of microsporophyll

D)

                4 microsporangia on adaxial side of microsporophyll

View Answer
129) The structure, capable of stretching many times of its size, is

A)

                lungs

B)

                stomach

C)

                uterus

D)

                pupil of the eye

View Answer
130) The recapitulation theory or biogenetic law was proposed by

A)

                Ernst Haeckel

B)

                Von Baer

C)

                Weismann

D)

                Mendel

View Answer
131) The nucleolus is the site of formation of

A)

                spindle fibres

B)

                chromosomes

C)

                ribosomes

D)

                peroxysomes

View Answer
132) Klinefelters syndrome occurs because of

A)

                presence of extra X-chromosome in male

B)

                presence of only one X-chromosome in female

C)

                presence of extra XY-chromosome in male

D)

                presence of extra Y-chromosome in male

View Answer
133) RNA differs from DNA in having

A)

                thymine

B)

                deoxyribose sugar

C)

                uracil

D)

                cytosine

View Answer
134) Both DNA and RNA are present in

A)

                bacteria

B)

                higher organisms

C)

                bacteria and higher organisms

D)

                None of the above

View Answer
135) "One gene one polypeptide chain" theory was proposed by

A)

                G W Beadle and E L Tatum

B)

                Khorana and Nirenberg

C)

                Watson and Komberg

D)

                Vemon M Ingram

View Answer
136) The phenomenon of heterophylly, where 2 different types of leaves are found is exhibited in which one of the following plants?

A)

                Utricularia

B)

                Limnophila heterophylla

C)

                Cabomba stellaris

D)

                None of the above

View Answer
137) Ligulate leaves are found in

A)

                Myrtaceae

B)

                Asteraceae

C)

                Poaceae

D)

                Cyperaceae

View Answer
138) The botanical name of cauliflower is

A)

                Brassica oleracea var. copitata

B)

                Brassica oleracea var. botrytis

C)

                Brassica oleracea var. gongylodis

D)

                Brassica oleracea

View Answer
139) Hypanthodium inflorescence is commonly found in which one of the following plants?

A)

                Ficus sp.

B)

                Brassica (cauliflower)

C)

                Polyalthia (ashok)

D)

                None of the above

View Answer
140) Reindeer moss, which is the most important and stable food for reindeer in Arctic region belongs to which group of Plantae?

A)

                Algae

B)

                Bryophyta

C)

                Lichens

D)

                Pteridophyta

View Answer
141) A rapid transformation from larval to adult form, in which destruction of some larval tissues and formation of adult organs occur is called

A)

                metaphase

B)

                metamorphosis

C)

                metaphysic

D)

                metathorax

View Answer
142) Critical state of disease is called

A)

                acne

B)

                acromion

C)

                acholin

D)

                None of these

View Answer
143) Electrostatic precipitators are extensively employed to control

A)

                water pollution

B)

                air pollution

C)

                radioactive pollution

D)

                None of the above

View Answer
144) Under the umbrella of social forestry, a system has been launched, in which agriculture and forestry are involved. Select the name of the system.

A)

                Block cutting system

B)

                Jhum cultivation system

C)

                Taungaya system

D)

                None of the above

View Answer
145) One of the most important raw material for paper and pulp industry comes from our vast forest resources, select the source for paper and pulp industry extensively used in our country

A)

                Picea sp.

B)

                Pinus sp.

C)

                Populus sp.

D)

                All of these

View Answer
146) Out of various resources of forest in out vast country, which one of the following is used as a basic raw material for biri industry?

A)

                Diospyros cordifolia

B)

                Diospyros melanoxylon

C)

                Diospyros ebenum

D)

                None of the above

View Answer
147) Ectomycorrhiza is commonly found in

A)

                Pinus

B)

                Quercus

C)

                Rhododendron

D)

                Both (a) and (b)

View Answer
148) Parthenium argenatatum, which is commonly known as guayule provides, which one of the following commercial products?

A)

                Para-rubber

B)

                A product equivalent to para-rubber

C)

                Chewing-gum

D)

                Jojoba oil

View Answer
149) Castor oil is obtained from

A)

                Acacia nilotica

B)

                Simmondsia chinensis

C)

                Ricinus communis

D)

                Both (a) and (b)

View Answer
150) Select the correct botanical name of Subabul, which is extensively employed in social forestry programme as an excellent source of fast growing fuel and fodder yielding medium sized tree.

A)

                Acacia nilotica

B)

                Leucas aspera

C)

                Leucaena leucocephala

D)

                Prosopis spicigera

View Answer
151) If Ca of 2-celled proembryo divides longitudinally and the Ca and Cb both contribute to the development of embryo, this type of embryogeny would be called as

A)

                onagrad type

B)

                asterad type

C)

                solanad type

D)

                Both (a) and (b)

View Answer
152) If Ca of 2-celled proembryo divides transversely the embryogeny would be

A)

                solanad and asterad type

B)

                chenopodial and onagrad type

C)

                caryophyllad and onagrad type

D)

                solanad and chenopoldial type

View Answer
153) What would be the chromosome number of endosperm if it is developed from Oenothera type of embryo sac possessing chromosome number equal to 16 (haploid)?

A)

                32 (diploid)

B)

                48 (triploid)

C)

                16 (haploid)

D)

                None of these

View Answer
154) If the chromosome number of cells of nucellus of megasporangium of Pinus is 16 (sixteen), what would be the chromosome number of endosperm cells?

A)

                32

B)

                16

C)

                48

D)

                08

View Answer
155) Which one of the following is the most common type of embryo sac?

A)

                Allium type

B)

                Oenothera type

C)

                Polygonum type

D)

                Adoxa type

View Answer
156) Mucilaginous polysaccharide commonly called as carrageenin and which is extensively used in various industries is obtained from

A)

                Gelidium

B)

                Laminaria

C)

                Chondrus

D)

                Gradlaria

View Answer
157) Symbiotic association between fungal hyphae and the roots of Pinus is known as

A)

                mycorrhiza

B)

                mycophagy

C)

                mycobiont

D)

                Both (a) and (b)

View Answer
158) The characteristic cell wall material peptidoglycan has another covering of lipopolysaccharides. This specialized condition is found in

A)

                eubacteria Gram positive

B)

                eubacteria Gram negative

C)

                all eukaryotes

D)

                Both (a) and (b)

View Answer
159) Goldfussia in which two different size of leaves are found is an excellent example of

A)

                heterophylly

B)

                anisophylly

C)

                distichous

D)

                None of these

View Answer
160) The prickly pear plant, which is botanically named as Opuntia is an excellent example of

A)

                phyllode

B)

                cladode

C)

                phylloclade

D)

                None of these

View Answer
161) If a dry fruit is developed from bicarpellary syncarpous, inferior ovary with a single basally placed ovule, the fruit would be called as

A)

                caryopsis

B)

                cypsela

C)

                capsule

D)

                siliqua

View Answer
162) If a fruit is developed from (\[\overline{2G}\]), bilocular with one ovule in each locule and pendulously attached and the wall of the ovary possesses vittae, the fruit is designated as

A)

                caryopsis

B)

                cypsela

C)

                cremocarp

D)

                capsule

View Answer
163) If a fruit is developed from an inferior bicarpellary, syncarpous, unilocular ovary, the seed coat is free from the pericarp, the fruit would be called

A)

                cypsela

B)

                silicula

C)

                siliqua

D)

                sorosis

View Answer
164) If a fruit is developed from (\[\overline{2G}\]) ovary with parietal placentation, unilocular when young but becoming 2-locular with age and the appearance of the fruit so developed is pod like, the fruit would be grouped under

A)

                lomentum

B)

                siliqua

C)

                silicula

D)

                capsule

View Answer
165) Increasing accumulation of DDT in organisms of a food chain in higher trophic level is known as

A)

                biological magnification

B)

                biotic potential

C)

                biotic component

D)

                None of the above

View Answer
166) If the anthers are fused to form a tubular structure, whereas the filaments remain free- the condition is termed as

A)

                epipetalous

B)

                syngenesious

C)

                polyandrous

D)

                None of these

View Answer
167) If the anthers are fused together forming a tubular structure while the filaments remain free, the condition is found in which one of the following family?

A)

                Malvaceae

B)

                Cucurbitaceae

C)

                Solanaceae

D)

                Asteraceae

View Answer
168) If both the anthers and filaments are fused together to form a compact structure with sigmoid appearance the condition is termed a

A)

                syngenesious

B)

                androecious

C)

                syngynandrous

D)

                synandrous

View Answer
169) The enzyme used for joining two DNA fragments is called

A)

                ligase

B)

                restriction endonuclease

C)

                DNA polymerase

D)

                gyrase

View Answer
170) There are certain plant species, which flower only once in their life span. This condition is named as

A)

                polygamous

B)

                polycarpic

C)

                monocarpic

D)

                pericarpic

View Answer
171) If an angiospermic plant produces unisexual and bisexual flowers on the same plant , the condition would be termed as

A)

                dioecious

B)

                trioecious

C)

                polygamous

D)

                andro - gynoecious

View Answer
172) Ligulate flowers are the diagnostic character which one of the following family?

A)

                Poaceae

B)

                Asteraceae

C)

                Brassicaceae

D)

                Papilionaceae

View Answer
173) In opposite phyllotaxy, if the leaves are of different size and arranged alternately, the phenomenon is termed as

A)

                distichous

B)

                pentastichous

C)

                anisophylly

D)

                heterophylly

View Answer
174) A funnel shaped stigma is found in

A)

                Grasses

B)

                Crocus

C)

                Malvestrum

D)

                Papaver

View Answer
175) A child has the blood group 0. The possible genotypes of his parents are

A)

                \[{{I}^{A}}{{I}^{B}}\times {{I}^{A}}{{I}^{O}}\]

B)

                \[{{I}^{O}}{{I}^{O}}\times {{I}^{A}}{{I}^{A}}\]

C)

                \[{{I}^{A}}{{I}^{B}}\times {{I}^{O}}{{I}^{O}}\]

D)

                \[{{I}^{B}}{{I}^{O}}\times {{I}^{A}}{{I}^{O}}\]

View Answer
176) Which animal has its blood composition nearly the same as of man?

A)

Gorilla

B)

Rhesus monkey

C)

                Chimpanzee

D)

                Baboon

View Answer
177) The change in the partial pressure of \[C{{O}_{2}}\]in blood is determined by

A)

                carotid sinus

B)

                carotid bodies

C)

                surface of lungs

D)

                Both (a) and (b)

View Answer
178) In man regulation of respiration and heart beat is maintained by

A)

                cerebrum

B)

                medulla oblongata

C)

                cerebellum

D)

                spinal cord

View Answer
179) The aquaduct of sylvius connects

A)

                1st and 2nd ventricles

B)

                2nd and 3rd ventricles

C)

                3rd and 4th ventricles

D)

                4th ventricle and central canal

View Answer
180) Which is more efficient medium for oxygen uptake in respiration?

A)

                Aquatic

B)

                Aerial

C)

                Marine

D)

                Esturine

View Answer
181) Fine blood capillaries seen on reddening of the eyes are spread over

A)

                pupil

B)

                conjunctiva

C)

                eyelid lining

D)

                None of these

View Answer
182) Kupffer cells are found in

A)

                spleen

B)

                liver

C)

                lung alveoli

D)

                blood

View Answer
183) Estimated length of blood vessels in a human is

A)

                1160 km

B)

                5100 km

C)

                1080 km

D)

                80,600 km

View Answer
184) Estrogen is secreted by

A)

                pituitary gland

B)

                adrenal gland

C)

                Graafian follicle

D)

                placenta

View Answer
185) William Harvey explained many aspects of human physiology one of them was

A)

                digestive system

B)

                circulation of blood

C)

                blood group

D)

                None of the above

View Answer
186) Deficiency of vasopressin (ADH) leads to

A)

                diabetes mellitus

B)

                diabetes insipidus

C)

                Graves disease

D)

                goiter

View Answer
187) Body temperature of many animals corresponds to the environmental temperature. They are known as

A)

                heterothermic

B)

                homoeothermic

C)

                endothermic

D)

                poikilothermic

View Answer
188) In a DNA molecule

A)

                nitrogenous bases are bonded covalently to phosphate groups

B)

                pentose sugars are bonded ionically to the nitrogenous bases

C)

                pentose sugars are bonded by hydrogen bonds to the nitrogenous bases

D)

                nitrogenous bases are bonded to each other by hydrogen bonds

View Answer
189) Which is the wrong combination?

A)

                Landsteiner - Blood group

B)

                Chargaff and Davidson - A = T, C = G

C)

                Watson and Crick - DNA structure

D)

                None of the above

View Answer
190) Cornea is covered externally by a thin transparent membrane, which is

A)

                sclerotic

B)

                conjunctiva

C)

                choroid

D)

                None of these

View Answer
191) Which one of the following is an important food element for growth and repair of tissues?

A)

                Vitamin-C

B)

                Protein

C)

                Glucose

D)

                Potassium

View Answer
192) The collection of various types of molecules in a cell is called

A)

                primordial soup

B)

                cellular broth

C)

                cellular pool

D)

                molecular broth

View Answer
193) Which one of the following is an essential fatty acid?

A)

                Linoleic acid

B)

                Sulphuric acid

C)

                Nitric acid

D)

                None of these

View Answer
194) Select the most successful group of organism on the surface of our globe

A)

                Gram positive heterotrophs

B)

                Gram      negative      photosynthetic cyanobacteria

C)

                chemoautotrophic bacteria

D)

                photoautotrophic bacteria

View Answer
195) The algal component of foliose lichen is termed as

A)

                phycosymbiont

B)

                phycobiont

C)

                mycobiont

D)

                ascolichen

View Answer
196) The enzyme used in the beverage industry to flavour soft drinks and in the baking industry to sweeten the biscuits and cakes

A)

                glycoamylase

B)

                amylase

C)

                proteases

D)

                glucoamylase

View Answer
197) Sickle cell anaemia is due to replacement of glutamic acid at the 6th position is

A)

                lencine

B)

                valine

C)

                proline

D)

                None of these

View Answer
198) A person may die after getting a bee sting in his body due to

A)

                toxicity

B)

                coagulation of blood

C)

                anaphylactic shock

D)

                Both (a) and (b)

View Answer
199) Colorblindness is caused by

A)

                dominant gene of female

B)

                recessive gene of male

C)

                dominant gene of male

D)

                recessive gene of female

View Answer
200) An antigen in the white blood corpuscles of man is known as

A)

                HIV

B)

                HLA

C)

                AHL

D)

                LAH

View Answer

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AMU Solved Paper-2000 Total Questions - 200