Solved papers for AMU Medical AMU Solved Paper-2009

AMU Solved Paper-2009 Total Questions - 200

1) The dimensions of electrical resistance are

A)

\[[M{{L}^{2}}{{T}^{-2}}{{A}^{2}}]\]

B)

\[[M{{L}^{2}}{{T}^{-3}}{{A}^{-2}}]\]

C)

\[[M{{L}^{2}}{{T}^{-3}}{{A}^{^{2}}}]\]

D)

\[[M{{L}^{2}}{{T}^{-2}}{{A}^{-2}}]\]

View Answer
2) In a vernier calipers, one main scale division is x cm and n divisions of the vernier scale coincide with \[(n-1)\] divisions of the main scale. The least count (in cm) of the calipers is

A)

\[\left( \frac{n-1}{n} \right)x\]

B)

\[\frac{nx}{(n-1)}\]

C)

\[\frac{x}{n}\]

D)

\[\frac{x}{(n-1)}\]

View Answer
3) If \[\overset{\hat{\ }}{\mathop{\text{i}}}\,,\]\[\overset{\hat{\ }}{\mathop{\text{j}}}\,\] and \[\overset{\hat{\ }}{\mathop{k}}\,\]represent unit vectors along the x, y and z-axes respectively, then the angle 9 between the vectors i + j + k and i + j is equal to

A)

\[{{\sin }^{-1}}\left( \frac{1}{\sqrt{3}} \right)\]

B)

\[{{\sin }^{-1}}\left( \sqrt{\frac{2}{3}} \right)\]

C)

\[{{\cos }^{-1}}\left( \frac{1}{\sqrt{3}} \right)\]

D)

\[{{90}^{o}}\]

View Answer
4) A particle goes from point A to point B,   if moving in a semicircle of radius 1.0 m, in 1.0 s, as shown in the figure. The magnitude of the average velocity of the particle is

A)

\[\text{3}.\text{14m}{{\text{s}}^{-1}}\]

B)

\[2.0\text{m}{{\text{s}}^{-1}}\]

C)

\[1.0\text{m}{{\text{s}}^{-1}}\]

D)

zero

View Answer
5) A body starting from rest, accelerates at a constant rate a\[\text{m}{{\text{s}}^{-2}}\]for some time after which it decelerates at a constant rate b \[\text{m}{{\text{s}}^{\text{-2}}}\]to come to rest finally. If the total time elapsed is t sec, the maximum velocity attained by the body is given by

A)

\[\frac{ab}{a+b}t\,m{{s}^{-1}}\]

B)

\[\frac{ab}{a-b}t\,m{{s}^{-1}}\]

C)

\[\frac{2ab}{a+b}t\,m{{s}^{-1}}\]

D)

\[\frac{2ab}{a-b}t\,m{{s}^{-1}}\]

View Answer
6) A ball is projected vertically upwards with a certain initial speed. Another ball of the same mass is projected at an angle of \[0{}^\circ \] with the vertical with the same initial speed. At highest points of their journey, the ratio of their potential energies will be

A)

1 : 1

B)

2 : 1

C)

3 : 2

D)

4 : 1

View Answer
7) A 10 kg stone is suspended with a rope of breaking strength 30 kg-wt. The minimum time in which the stone can be raised through a height 10 m starting from rest is \[\left( \text{Taking g}=\text{ 1}0\text{ Nk}{{\text{g}}^{-1}} \right)\]

A)

\[0.5\,s\]

B)

\[1.0\,s\]

C)

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

D)

\[2.0\,s\]

View Answer
8) Two bodies A and B of masses 10 kg and 15 kg respectively kept on a smooth, horizontal surface are tied to the ends of a light string. If T represents the tension in the string when a horizontal force F = 500 N is applied to A (as shown in figure 1) and T be the tension when it is applied to B (figure 2), then which of the following is true?

A)

\[T=T=500\,N\]

B)

\[T=T=250\,N\]

C)

\[T=200\,N,T=300N\]

D)

\[T=300\,N,T=200N\]

View Answer
9) Ten one- rupee coins are put on top of each other on a table. Each coin has a mass m. Which of the following statements is not true?

A)

The force on the 6th coin (counted from the bottom) due to all the coins on its top is equal to 4mg (downwards)

B)

The force on 6th coin due to 7th coin is 4mg (downwards)

C)

The reaction of the 6th coin on the 7th coin is 4mg (upwards)

D)

The total force on the 10th coin in 9 mg (downwards)

View Answer
10) Two springs A and B are identical but A is harder than B \[B({{k}_{A}}>{{k}_{g}}).\] Let \[{{W}_{A}}\]and \[{{W}_{B}}\] represent the work done when the springs are stretched through the same distance and \[W{{}_{A}}\] and \[W{{}_{B}}\]are the work done when these are stretched by equal forces, then which of the following is true?

A)

\[{{\text{w}}_{\text{A}}}>{{\text{W}}_{\text{B}}}\text{ and W}{{\text{ }\!\!\!\!\text{ }}_{A}}=\text{W}{{\text{ }\!\!\!\!\text{ }}_{B}}\]

B)

\[{{\text{w}}_{\text{A}}}>{{\text{W}}_{\text{B}}}\text{ and W}{{\text{ }\!\!\!\!\text{ }}_{A}}\text{W}{{\text{ }\!\!\!\!\text{ }}_{B}}\]

C)

\[{{\text{w}}_{\text{A}}}>{{\text{W}}_{\text{B}}}\text{ and W}{{\text{ }\!\!\!\!\text{ }}_{A}}\text{W}{{\text{ }\!\!\!\!\text{ }}_{B}}\]

D)

\[{{\text{w}}_{\text{A}}}\text{}{{\text{W}}_{\text{B}}}\text{ and W}{{\text{ }\!\!\!\!\text{ }}_{A}}\text{W}{{\text{ }\!\!\!\!\text{ }}_{B}}\]

View Answer
11) Identify the wrong statement.

A)

A body can have momentum without energy

B)

A body can have energy without momentum

C)

The momentum is conserved in an elastic collision

D)

Kinetic energy is not conserved in an inelastic collision

View Answer
12) In the rectangular lamina shown in the figure, \[AB=\frac{BC}{2}.\] The moment of inertia of the lamina is minimum along the axis passing through

A)

AB

B)

BC

C)

EG

D)

FH

View Answer
13) If a sphere is rolling, the ratio of its rotational energy to the total kinetic energy is given by

A)

7 : 10

B)

2 : 5

C)

10 : 7

D)

2 : 7

View Answer
14) Read the following statements \[{{\text{S}}_{1}}\]: An object shall weigh more at pole than at equator when weighed by using a physical balance. \[{{\text{S}}_{2}}\] : It shall weigh the same at pole and equator when weighed by using a physical balance. \[{{\text{S}}_{3}}\]: It shall weigh the same at pole and equator when weighed by using a spring balance. \[{{\text{S}}_{4}}\]: It shall weigh more at the pole than at equator when weighed using a spring balance. Which of the above statements is/are correct?

A)

\[{{\text{S}}_{1}}\] and S2

B)

\[{{\text{S}}_{1}}\] and \[{{\text{S}}_{4}}\]

C)

\[{{\text{S}}_{2}}\] and \[{{\text{S}}_{3}}\]

D)

\[{{\text{S}}_{2}}\] and \[{{\text{S}}_{4}}\]

View Answer
15) Two small and heavy spheres, each of mass M, are placed a distance r apart on a horizontal surface. The gravitational potential at the mid-point on the line joining the centre of the spheres is

A)

Zero

B)

\[\frac{GM}{r}\]

C)

\[-\frac{2GM}{r}\]

D)

\[\frac{-4\,GM}{r}\]

View Answer
16) The temperature coefficient of resistance of the material of a wire is \[0.001/{}^\circ C\]. Its resistance at 300 K is 1\[\Omega \]. At what temperature will the resistance of the wire be \[2\,\Omega \]?

A)

781 K

B)

1027 K

C)

1054 K

D)

1327 K

View Answer
17) A wire of length L and cross-sectional area A is made of a material of Youngs modulus Y. The work done in stretching the wire by an amount x is given by

A)

\[\frac{YA{{x}^{2}}}{L}\]

B)

\[\frac{YA{{x}^{2}}}{2L}\]

C)

\[\frac{YA{{L}^{2}}}{x}\]

D)

\[\frac{YA{{L}^{2}}}{2x}\]

View Answer
18) When water flows at a rate Q through a tube of radius r placed horizontally, a pressure difference p develops across the ends of the tube. If the radius of the tube is doubled and the rate of flow is halved, the pressure difference will be

A)

\[8p\]

B)

\[p\]

C)

\[\frac{p}{8}\]

D)

\[\frac{p}{32}\]

View Answer
19) A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of water in the capillary tube is 5 g. Another capillary tube of radius 2r is immersed in water. The mass of water that will rise in this tube is

A)

2.5 g

B)

5.0 g

C)

10 g

D)

20 g

View Answer
20) An ideal monoatomic gas is taken thorough the thermodynamic states A \[\to \] B \[\to \] C \[\to \] D via the paths   shown   in   the   figure.   If \[{{U}_{A}},{{U}_{B}},{{U}_{c}}\] and \[{{\text{U}}_{\text{p}}}\]represent the internal energy of the gas in states A, B, C and D respectively, then which of the following is not true?

A)

\[{{\text{U}}_{A}}={{U}_{D}}\]

B)

\[{{\text{U}}_{B}}={{U}_{A}}\]

C)

\[{{\text{U}}_{B}}={{U}_{C}}\]

D)

\[{{\text{U}}_{B}}>{{U}_{C}}\]

View Answer
21) A box (thermally insulated) has two chambers separated by a membrane. One of volume V contains an ideal gas at temperature T. The other of volume \[\left( \frac{1}{2}V \right)\]is evacuated. If the membrane breaks down, the gas temperature will be

A)

\[\frac{3}{2}T\]

B)

\[\frac{2T}{3}\]

C)

\[T\]

D)

None of these

View Answer
22) The diameter of oxygen atom is 3 A. The fraction of molecular volume to the actual volume occupied by oxygen at STP is

A)

\[\text{6}\times \text{l}{{\text{0}}^{\text{-28}}}\]

B)

\[\text{6}\times \text{l}{{\text{0}}^{\text{-23}}}\]

C)

\[4\times \text{l}{{\text{0}}^{\text{-10}}}\]

D)

\[\text{4}\times \text{l}{{0}^{-\text{4}}}\]

E)

none of the above

View Answer
23) The van der Waals equation of state for real gases is given as \[\left( p+\frac{a}{{{V}^{2}}} \right)\] (V-b) = \[n\]RT. Which of the following terms has dimensions different from that of energy?

A)

\[pV\]

B)

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

C)

\[\frac{ab}{{{V}^{2}}}\]

D)

\[Vp\]

View Answer
24) The transverse displacement of a string fixed at both      ends      is      given      by \[\text{y}=0.0\text{6 sin}\left( \frac{2\pi x}{3} \right)\text{cos }\left( \text{12}0\text{ }\pi \text{t} \right)\text{y}\]and x are in metres and r in second. The wavelength and frequency of the two superposing waves are

A)

2 m, 120 Hz

B)

2 m, 60 Hz

C)

\[\frac{\text{3}}{2}\text{ m},\text{12}0\text{ Hz}\]

D)

3 m, 60 Hz

View Answer
25) Two bodies A and B of equal masses are suspended from two separate springs of force constants fe, and k respectively. If the two bodies oscillate such that their maximum velocities are equal, the ratio of the amplitudes of oscillation of A and B will be

A)

\[\frac{{{k}_{1}}}{{{k}_{2}}}\]

B)

\[\sqrt{\frac{{{k}_{1}}}{{{k}_{2}}}}\]

C)

\[\frac{{{k}_{2}}}{{{k}_{1}}}\]

D)

\[\sqrt{\frac{{{k}_{2}}}{{{k}_{1}}}}\]

View Answer
26) The adjacent diagram shows a charge + Q held on an insulating support S and enclosed by a hollow spherical conductor. O represents the centre of the spherical conductor and P is a point such that OP = x and SP = r. The electric field at point P will be

A)

\[\frac{Q}{4\pi {{\varepsilon }_{0}}{{x}^{2}}}\]

B)

\[\frac{Q}{4\pi {{\varepsilon }_{0}}{{r}^{2}}}\]

C)

zero

D)

None of these

View Answer
27) An electron is released from the bottom plate A as shown in the figure \[\left( \text{E}=\text{1}{{0}^{\text{4}}}\text{ N}{{\text{C}}^{-\text{1}}} \right).\] The velocity of the electron when it reaches plate B will be nearly equal to

A)

\[0.85\times {{10}^{7}}m{{s}^{-1}}\]

B)

\[\text{1}.0\times \text{l}{{0}^{\text{7}}}\text{ m}{{\text{s}}^{\text{-1}}}\]

C)

\[\text{1}.\text{25}\times \text{l}{{0}^{\text{7}}}\text{ m}{{\text{s}}^{\text{-1}}}\]

D)

\[\text{1}.\text{65}\times \text{l}{{0}^{\text{7}}}\text{ m}{{\text{s}}^{-1}}\]

View Answer
28) Consider a parallel plate capacitor with plates 20 cm by 20 cm and separated by 2 mm. The dielectric constant of the material between the plates is 5. The plates are connected to a voltage sources of 500 V. The energy density of the field between the plates will be close to

A)

\[\text{2}.\text{65J}{{\text{m}}^{\text{-3}}}\]

B)

\[\text{1}.\text{95J}{{\text{m}}^{\text{-3}}}\]

C)

\[\text{1}.38\text{J}{{\text{m}}^{\text{-3}}}\]

D)

\[0.69\,\text{J}{{\text{m}}^{\text{-3}}}\]

View Answer
29) A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved further apart by means of insulating handles, then which of the following is not correct?

A)

The capacitance decreases

B)

The charge on the capacitor increases

C)

The voltage across the plates increases

D)

The electrostatic energy stored in the capacitor increases

View Answer
30) If electron in a hydrogen atom has moved from n = 1 to n = 10 orbit, the potential energy of the system has

A)

increased

B)

decreased

C)

remained unchanged

D)

become zero

View Answer
31) An electron is moving on a circle of radius 0.5 A with a frequency .of \[\text{5}\times \text{1}{{0}^{\text{16}}}\] Hz in anti-clockwise direction. The equivalent loop-current is

A)

4.0 mA (clockwise)

B)

4.0 mA (anti-clockwise)

C)

8.0 mA (clockwise)

D)

8.0 mA (anti-clockwise)

View Answer
32) The external diameter of a 314 m long copper tube is 1.2 cm and the internal diameter is 1 cm. Calculate its resistance if the specific resistance of copper is \[2.2\times {{10}^{-8}}\Omega -m.\]

A)

\[\text{5}.0\text{x1}{{0}^{-\text{2}}}\text{ }\Omega .\]

B)

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

C)

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

D)

\[\text{2}.\text{2}\times \text{1}{{0}^{-\text{2}}}\text{ }\Omega .\]

E)

none of the above

View Answer
33) In the meter bridge experiment shown in the figure, the balance length AC corresponding to null deflection of the galvanometer is x. What would be the balance length if the radius of the wire AB is doubled?

A)

\[4x\]

B)

\[2x\]

C)

\[x\]

D)

\[x/2\]

View Answer
34) A long, straight wire is turned into a loop of radius 10 cm (see figure). If a current of 8 A is passed through the loop, then the value of the magnetic field and its direction at the centre C of the loop shall be close to

A)

\[\text{5}.0\text{x1}{{0}^{-\text{5}}}\text{ N}{{\text{A}}^{-\text{1}}}\text{ }{{\text{m}}^{-1}}\text{, upwards}\]

B)

\[\text{3}.\text{4}\times \text{1}{{0}^{-\text{5}}}\text{ N}{{\text{A}}^{-\text{1}}}\text{ }{{\text{m}}^{-\text{1}}},\text{ upwards}\]

C)

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

D)

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

View Answer
35) An electron enters into a region of uniform magnetic field of strength \[10\text{ }Wb{{m}^{-2}}\] with a speed of \[3\times {{10}^{7}}m{{s}^{-1}}.\] Which of the following is not possible?

A)

The electron may or may not experience an acceleration

B)

The electron may experience an acceleration but can continue to move with same speed

C)

The electron may experience an acceleration and continue to move with same velocity

D)

The kinetic energy of the electron remains unchanged

View Answer
36) A cyclotron is used to accelerate protons, deuterons, a-particles etc. If the energy attained, after acceleration, by the protons is E, the energy attained by a-particles shall be

A)

\[4E\]

B)

\[2E\]

C)

\[E\]

D)

\[E\]/4

View Answer
37) A coil of metal wire is kept stationary in a non-uniform magnetic field

A)

an emf and current are both induced in the coil

B)

a current but not emf is induced in the coil

C)

an emf but no current is induced in the coil

D)

neither emf nor current is induced in the coil

View Answer
38) Two resistances of 10\[\Omega \] and 20\[\Omega \] and an inductor of inductance 5 H are connected to a battery of 2 V through a key K as shown in the figure. At time t = 0, when the key K is closed the initial current through the battery is

A)

\[0.2\,A\]

B)

\[\frac{2}{15}\,A\]

C)

\[\frac{1}{15}\,A\]

D)

Zero

View Answer
39) An LCR series circuit with \[R=100\Omega \] is connected to a 200 V, 50 Hz AC source. When only the capacitance is removed, the current leads the voltage by 60°. When only the inductance is removed, the current leads the voltage by \[60{}^\circ \]. The current in the circuit is

A)

\[2\,A\]

B)

\[1\,A\]

C)

\[\frac{\sqrt{3}}{2}A\]

D)

\[\frac{2}{\sqrt{3}}A\]

View Answer
40) The magnetic field in the plane electromagnetic field is given by \[By=2\times {{10}^{7}}sin(0.5\times {{10}^{3}}z.+1.5\times {{10}^{11}}t)T\] The expression for the electric field may be given by

A)

\[{{E}_{y}}=2\times {{10}^{-7}}sin(0.5\times {{10}^{-7}}\sin \,(0.5\times {{10}^{3}}z\] \[+1.5\times {{10}^{11}}t)V{{m}^{-1}}\]

B)

\[{{E}_{y}}2\times {{10}^{-7}}sin(0.5\times {{10}^{3}}z\] \[+1.5\times {{10}^{11}}t)V{{m}^{-1}}\]

C)

\[{{E}_{y}}=60\sin \,(0.5\times {{10}^{3}}z+1.5\times {{10}^{11}}t)V{{m}^{-1}}\]

D)

\[{{E}_{x}}=60\sin \,(0.5\times {{10}^{3}}z+1.5\times {{10}^{11}}t)V{{m}^{-1}}\]

View Answer
41) Monochromatic light of wavelength 589 nm is incident from air on a water surface. The refractive index of water is 1.33. The wavelength of the refracted light is

A)

589 nm

B)

443 nm

C)

333 nm

D)

221 nm

View Answer
42) Which of the following statements is true, when spherical waves fall on a plane refracting surface, separating two media?

A)

The reflected waves form spherical wave fronts

B)

The reflected waves form plane wave fronts

C)

The refracted waves form plane wave fronts

D)

There are no refracted waves

View Answer
43) A wave travelling in air falls on a glass plate. It is partly reflected and partly refracted. The phase difference between the reflected and refracted waves is

A)

zero

B)

\[\pi \]/2

C)

\[\pi \]

D)

2\[\pi \]

View Answer
44) A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is

A)

2.4 mm

B)

1.2 mm

C)

2.4 cm

D)

1.2 cm

View Answer
45) Two coherent monochromatic light beams of intensities I and 4I are superposed. The maximum and minimum possible resulting intensities are

A)

5\[I\]and O

B)

5\[I\] and 3\[I\]

C)

9\[I\] and\[I\]

D)

9\[I\] and 3\[I\]

View Answer
46) Light of frequency 1015 Hz falls on a metal surface of work function 2.5 eV. The stopping potential of photoelectrons in volts is

A)

1.6

B)

2.5

C)

4.1

D)

6.6

View Answer
47) An element A decays into an element C by a two step process. \[A\to B{{+}_{2}}H{{e}^{4}}\] \[B\to C+2{{e}^{-}}\] Then

A)

A and C are isobars

B)

A and C are isotopes

C)

A and B are isotopes

D)

A and B are isobars

View Answer
48) The binding energy of deuteron \[(_{1}^{2}H)\] is 1.15 MeV per nucleon and an alpha particle \[(_{2}^{4}H)\] has binding energy of 7.1 MeV per nucleon. Then in the reaction \[_{1}^{2}H+_{1}^{2}H\to _{2}^{4}He+Q\] the energy Q is

A)

33.0 MeV

B)

28.4 MeV

C)

23.8 MeV

D)

4.6 MeV

View Answer
49) Assuming the diodes to be of silicon with forward resistance zero, the current I in the following circuit is

A)

zero

B)

9.65 mA

C)

10 mA

D)

10.36 mA

View Answer
50) When a solid with a band gap has a donor level just below its empty energy band, the solid is

A)

an insulator

B)

a conductor

C)

p - type semiconductor

D)

n - type semiconductor

View Answer
51) The radius of the first Bohr orbit of the H atom is r. Then, the radius of the first orbit of \[L{{i}^{2+}}\] will be

A)

\[\frac{r}{9}\]

B)

\[\frac{r}{3}\]

C)

3r

D)

9r

View Answer
52) The molarity of a solution obtained by mixing 800 mL of 0.5 M HCl with 200 mL of 1 M HCl will be

A)

0.8 M

B)

0.6 M

C)

0.4 M

D)

0.2 M

View Answer
53) An etheral solution of alkyl halide is heated with sodium metal. The reaction is known as

A)

Franklands reaction

B)

Sandmeyers reaction

C)

Wurtz-Fittig reaction

D)

Wurtz reaction

View Answer
54) What is (are) number (s) of unpaired electrons in the square planar, \[{{[Pt{{(CN)}_{4}}]}^{2-}}\] ion?

A)

0

B)

1

C)

4

D)

6

View Answer
55) An aqueous solution of borax is

A)

neutral

B)

acidic

C)

basic

D)

amphoteric

View Answer
56) Order of reactivity towards nucleophilic substitution reaction of the compounds                 is

A)

i > ii > iii > iv

B)

ii > i > iii > iv

C)

iv > iii > ii > I

D)

iii > iv > ii > i

View Answer
57) The five d-orbitals are designated as \[{{d}_{xy}},{{d}_{yz}},{{d}_{xz}},{{d}_{{{x}^{2}}-{{y}^{2}}}}\] and \[{{z}^{2}}\]. Choose the correct statement.

A)

The shapes of the first three orbitals are similar but that of the fourth and fifth orbitals are different.

B)

The shapes of all five d-orbitals are similar

C)

The shapes of the first four orbitals are similar but that of the fifth orbital is different

D)

The shapes of all five d-orbitals are different

View Answer
58) Arrange in decreasing order, the energy of 2s orbital in the following atoms H, Li, Na, K

A)

\[{{E}_{2s(H)}}>{{E}_{2s(Li)}}>{{E}_{2s(Na)}}>{{E}_{2s(K)}}\]

B)

\[{{E}_{2s(H)}}>{{E}_{2s(Na)}}>{{E}_{2s(Li)}}>{{E}_{2s(K)}}\]

C)

\[{{E}_{2s(H)}}>{{E}_{2s(Na)}}={{E}_{2s(K)}}>{{E}_{2s(Li)}}\]

D)

\[{{E}_{2s(K)}}<{{E}_{2s(Na)}}<{{E}_{2s(Li)}}>{{E}_{2s(H)}}\]

View Answer
59) Arrange the following compounds in increasing order of their boiling points \[C{{H}_{3}}CHO,C{{H}_{3}}C{{H}_{2}}OH,C{{H}_{3}}OC{{H}_{3}},\]\[C{{H}_{3}}C{{H}_{2}}C{{H}_{3}}\]

A)

\[C{{H}_{3}}C{{H}_{2}}C{{H}_{3}}<C{{H}_{3}}CHO>C{{H}_{3}}OC{{H}_{3}}\]\[<C{{H}_{3}}C{{H}_{2}}OH\]

B)

\[C{{H}_{3}}C{{H}_{2}}C{{H}_{3}}<C{{H}_{3}}CHO>C{{H}_{3}}OC{{H}_{3}}\]\[<C{{H}_{3}}C{{H}_{2}}OH\]

C)

\[C{{H}_{3}}C{{H}_{2}}C{{H}_{3}}>C{{H}_{3}}CHO>C{{H}_{3}}OC{{H}_{3}}\]\[<C{{H}_{3}}C{{H}_{2}}OH\]

D)

\[C{{H}_{3}}C{{H}_{2}}OH<C{{H}_{3}}CHO<C{{H}_{3}}OC{{H}_{3}}\]\[<C{{H}_{3}}C{{H}_{2}}C{{H}_{3}}\]

View Answer
60) Among \[TiF_{6}^{2-},CoF_{6}^{2-},C{{u}_{2}}C{{l}_{2}}\] and \[NiCl_{4}^{2-}\]which are colourless species?

A)

\[C{{u}_{2}}C{{l}_{2}}\] and \[NiCl_{4}^{2-}\]

B)

\[C{{u}_{2}}C{{l}_{2}}\] and \[NiCl_{4}^{2-}\]

C)

\[CoF_{6}^{3-}\] and \[TiF_{6}^{2-}\]

D)

\[TiF_{6}^{2-}\] and \[C{{u}_{2}}C{{l}_{2}}\]

View Answer
61) Which of the following displaces \[B{{r}_{2}}\] from an aqueous solution containing bromide ions?

A)

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

B)

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

C)

\[I_{3}^{-}\]

D)

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

View Answer
62) Which of the following hybridisations has planar geometry?

A)

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

B)

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

C)

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

D)

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

View Answer
63) Which of the following compounds of chlorine contains both ionic and covalent bonds?

A)

NaCI

B)

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

C)

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

D)

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

View Answer
64) Which physical property in the alkali metal group increases with atomic number?

A)

Melting point

B)

Electronegativity

C)

Hydration enthalpy

D)

Density

View Answer
65) Which among the following is not a borane?

A)

\[{{B}_{2}}{{H}_{6}}\]

B)

\[{{B}_{3}}{{H}_{6}}\]

C)

\[{{B}_{4}}{{H}_{10}}\]

D)

None of these

View Answer
66) \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]- ion is

A)

hexacyanoferrate (II) ion

B)

hexacyanoferrate (III) ion

C)

hexacyanide iron (III) ion

D)

iron (III) hexacyanide ion

View Answer
67) Which of the given properties depends on the manner in which a change is brought about? (i) \[\Delta E\]                   (ii) q                       (iii) W

A)

\[\Delta E\] only

B)

q and AE

C)

q and W

D)

W only

View Answer
68) Which of the following pairs of solutions is expected to be isotonic at the same temperature?

A)

0.2 M urea and 0.2 M NaCI

B)

0.1 M urea and 0.2 M \[MgC{{l}_{2}}\]

C)

0.1 M NaCI and 0.1 M \[N{{a}_{2}}S{{O}_{4}}\]

D)

0.1 M \[Ca{{(N{{O}_{3}})}_{2}}\] and 0.1 M \[N{{a}_{2}}S{{O}_{4}}\]

View Answer
69) Three elements A, B and C crystallise into a cubic solid lattice. Atoms A occupy the comers, B atoms, the cube centres and C atoms, the edge. The formula of the compound is

A)

ABC

B)

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

C)

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

D)

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

View Answer
70) When equal volumes of \[AgN{{O}_{3}}\]and NaCI solution are mixed, the precipitation of AgCl \[({{K}_{sp}}=1.81\times {{10}^{-10}})\] will occur with

A)

\[{{10}^{-3}}M\,(A{{g}^{+}})\] and \[{{10}^{-3}}M(C{{l}^{-}})\]

B)

\[{{10}^{-5}}M\,(A{{g}^{+}})\] and \[{{10}^{-5}}M(C{{l}^{-}})\]

C)

\[{{10}^{-6}}M\,(A{{g}^{+}})\] and \[{{10}^{-5}}M(C{{l}^{-}})\]

D)

\[{{10}^{-4}}M\,(A{{g}^{+}})\] and \[{{10}^{-4}}M(C{{l}^{-}})\]

View Answer
71) Consider the following reactions, I. \[{{H}_{3}}CC{{l}_{3}}\xrightarrow{O{{H}^{\Theta }}}\] II. \[{{H}_{3}}CCHO\xrightarrow{{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}O{{H}^{\Theta }}}\] III. \[{{H}_{3}}CC{{O}_{2}}{{C}_{2}}{{H}_{5}}\xrightarrow{O{{H}^{\Theta }}}\] Carboxylic acid is the final product only in the reaction (s)

A)

I, II

B)

II, III

C)

II

D)

III

View Answer
72) Which of the following is the industrial method of preparation of acetaldehyde?

A)

\[C{{H}_{3}}CN\xrightarrow[HCl]{SnC{{l}_{2}}}\]\[C{{H}_{3}}CH=NH\xrightarrow{{{H}_{3}}{{O}^{+}}}C{{H}_{3}}CHO\]

B)

\[C{{H}_{3}}COCl+{{H}_{2}}\xrightarrow[BaS{{O}_{4}}]{Pd}C{{H}_{3}}CHO+HCl\]

C)

\[C{{H}_{2}}=C{{H}_{2}}+{{H}_{2}}O\xrightarrow{P{{d}^{2+}}}C{{H}_{3}}CHO\]

D)

None of the above

View Answer
73) Increasing order of ionic size for the ions, \[{{F}^{-}},{{O}^{2-}},N{{a}^{+}},A{{l}^{3+}}\] is

A)

\[{{O}^{2-}}<{{F}^{-}}<N{{a}^{+}}<A{{l}^{3+}}\]

B)

\[A{{l}^{3+}}<N{{a}^{+}}<{{F}^{-}}<{{O}^{2-}}\]

C)

\[{{O}^{2-}}<N{{a}^{+}}<{{F}^{-}}<A{{l}^{3+}}\]

D)

\[A{{l}^{3+}}<{{F}^{-}}<N{{a}^{+}}<{{O}^{2-}}\]

View Answer
74) Probability of finding an electron at the nodal surface is

A)

unity

B)

low

C)

high

D)

zero

View Answer
75) The units of constants a in van der Waals equation is

A)

\[d{{m}^{6}}\] atm \[mo{{l}^{-2}}\]

B)

dm3 atm \[mo{{l}^{-1}}\]

C)

dm atm \[mo{{l}^{-1}}\]

D)

atm \[mo{{l}^{-1}}\]

View Answer
76) Entropy changes for the process,\[{{H}_{2}}O(l)\xrightarrow{{}}{{H}_{2}}O(s)\]at normal pressure and 274 K are given below \[\Delta {{S}_{system}}=-22.13\,\Delta {{S}_{surr}}=+22.05\] The process is non-spontaneous because. (surr stands for surrounding and u stands for universe)

A)

\[\Delta {{S}_{system}}\] is -ve

B)

\[\Delta {{S}_{surr}}\] is + ve

C)

\[\Delta {{S}_{u}}\] is -ve

D)

\[\Delta {{S}_{system}}\ne \Delta {{S}_{surr}}\]

View Answer
77) In the following structure,                 anomeric carbon is

A)

1

B)

2

C)

3

D)

4

View Answer
78) Which of the following is soluble in sodium hydroxide ?

A)

B)

C)

D)

View Answer
79) Which one of the following species will be most reactive in S^ 2 reaction?

A)



B)

C)



D)



View Answer
80) Which one of the following species is involved in the sulphonation of aromatic hydrocarbons?

A)

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

B)

Dil \[{{H}_{2}}S{{O}_{4}}\]

C)

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

D)

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

View Answer
81) Hyper conjugation effect is also known as

A)

Baker-Nathan effect

B)

No bond resonance

C)

Both and

D)

None of the above

View Answer
82) Predict the main product.

A)

phenyl cyanide

B)

nitrophenol

C)

aniline

D)

hydroxylamine

View Answer
83) The order of reactivity of the alkenes, (I) \[{{(C{{H}_{3}})}_{2}}C=C{{H}_{2}}\], (II) \[C{{H}_{3}}CH=C{{H}_{2}}\], (III) \[C{{H}_{2}}=C{{H}_{2}}\]when subjected to acid catalyzed hydration is

A)

I > II > III

B)

I > III > II

C)

III > II > I

D)

II > I > III

View Answer
84) Products of the following reaction \[M{{e}_{2}}C=CHC{{H}_{3}}=\xrightarrow[(ii)\,{{(C{{H}_{3}})}_{2}}S]{(i)\,{{O}_{3}}}\]? Are

A)

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

B)

\[M{{e}_{2}}CO+C{{H}_{3}}CHO\]

C)

\[M{{e}_{2}}CO+C{{H}_{3}}COOH\]

D)

\[2M{{e}_{2}}CO\]

View Answer
85) \[{{K}_{p}}\] and \[K{{}_{p}}\] are the equilibrium constants of the two reactions, given below \[\frac{1}{2}{{N}_{2}}(g)+\frac{3}{2}{{H}_{2}}(g)N{{H}_{3}}(g)\] Therefore, \[{{K}_{p}}\] and \[K{{}_{p}}\] are related by

A)

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

B)

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

C)

\[{{K}_{p}}=2K{{}_{p}}\]

D)

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

View Answer
86) Critical temperature of \[{{H}_{2}}O,\,N{{H}_{3}}C{{O}_{2}}\] and \[{{O}_{2}}\] are 647 K, 405.6 K, 304.10 K and 154.2 K respectively. If the cooling starts from 500 K to their critical temperature, the gas that liquefies first is

A)

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

B)

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

C)

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

D)

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

View Answer
87) Rate of the given reaction, (1) \[A+B\xrightarrow{{{r}_{1}}=0.05}X\] (2) \[X+B\xrightarrow{{{r}_{2}}=0.89}Y\] (3) \[Y+A\xrightarrow{{{r}_{3}}=0.001}AY\] (4) \[AY+B\xrightarrow{{{r}_{4}}=0.10}AYB\]will be determined by

A)

Step 1 : because the reaction starts with the formation of X

B)

Step 2 : because it is the fastest step

C)

Step 3 : because it is the slowest step

D)

Step 4 : because it ends the reaction

View Answer
88) The critical temperature of \[{{O}_{2}},{{N}_{2}},{{H}_{2}}\] and \[C{{O}_{2}}\] are 154.3 K, 126 K, 33.2 K and 304 K. The extent of adsorption on tungsten may be highest in case of

A)

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

B)

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

C)

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

D)

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

View Answer
89) Which of the following polymers is prepared from caprolactam?

A)

Nylon-6, 6

B)

Nylon-6, 10

C)

Nylon-6

D)

Nylon-11

View Answer
90) The standard reduction potentials for \[C{{u}^{2+}}/Cu\] and \[C{{u}^{2+}}/C{{u}^{+}}\] are 0.337 and 0.153V respectively. The standard electrode potential of \[C{{u}^{+}}/Cu\] half-cell is

A)

0.184V

B)

0.827V

C)

0.521V

D)

0.490V

View Answer
91) A gas X at 1 atm is bubbled through a solution containing a mixture of 1 M \[{{Y}^{-}}\] and 1 M \[{{Z}^{-}}\]at\[{{25}^{o}}C\]. If the reduction potential order is Z > V > X, then

A)

V will oxidize X but not Z

B)

Y will oxidize both X and Z

C)

Y will oxidize Z but not X

D)

Y will reduce both X and Z

View Answer
92) Which characteristic is not associated with chemical adsorption?

A)

Is irreversible

B)

Forms monolayer

C)

Not very specific

D)

Heat of adsorption \[>50kJ\,mo{{l}^{-1}}\]

View Answer
93) Which of the groups has highest + I effect?

A)

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

B)

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

C)

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

D)

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

View Answer
94) For the following reaction, product [A] is

A)



B)

C)



D)



View Answer
95) The potential of standard hydrogen electrode is zero. This implies that

A)

\[\Delta G_{f}^{o}({{H}^{+}},aq)=0\]

B)

\[\Delta H_{f}^{o}({{H}^{+}},aq)=0\]

C)

\[\Delta G_{f}^{o}({{H}^{+}},aq)<0\]

D)

\[\Delta G_{f}^{o}({{H}^{+}},aq)>0\]

View Answer
96) Which of the following is the correct statement?

A)

Order of a reaction has always an integral value

B)

Mechanism of a reaction proposed is always final

C)

Zero order reactions are multi-step reactions

D)

Order of reaction can be predicted even without knowing the rate law

View Answer
97) If \[p{{K}_{a}}\] of acetic acid and \[p{{K}_{b}}\] of ammonium hydroxide are 4.76 each. The pH of ammonium acetate is

A)

7

B)

less than 7

C)

more than 7

D)

zero

View Answer
98) Reactions that have standard free energy changes less than zero always have equilibrium constant equal to

A)

unity

B)

greater than unity

C)

less than unity

D)

zero

View Answer
99) In \[N{{a}_{2}}O\], having ant fluorite structure

A)

oxide ions have a cubic close packed arrangement and \[N{{a}^{+}}\] occupy all the eight tetrahedral voids

B)

oxide ions have a cubic close packed arrangement and \[N{{a}^{+}}\] occupy all the octahedral voids

C)

\[N{{a}^{+}}\] ions have a cubic close packed arrangement and \[{{O}^{2-}}\] occupy all the octahedral voids

D)

\[{{N}^{+}}\] ions have a cubic close arrangement and \[{{O}^{2-}}\] occupy all the tetrahedral voids

View Answer
100) Solubility(s) of \[Ca{{F}_{2}}\] in terms of its solubility product is given as

A)

\[s={{({{K}_{sp}})}^{1/3}}\]

B)

\[s={{({{K}_{sp}}/2)}^{1/3}}\]

C)

\[s={{({{K}_{sp}}/4)}^{1/3}}\]

D)

\[s={{({{K}_{sp}}/2)}^{1/2}}\]

View Answer
101) Name given to fossil hominid of Shivalik hills in India is

A)

Ramapithecus

B)

Austrahpithecus

C)

Pithecanthropus

D)

Neanderthalensis

View Answer
102) Vagina, oesophagus, urethra contain which type of tissue?

A)

Stratified squamous epithelium

B)

Simple squamous epithelium

C)

Ciliated epithelium

D)

Columnar epithelium

View Answer
103) In five - kingdom system of classification of RH Whittaker, how many kingdoms contain eukaryotes?

A)

Four-kingdoms

B)

One-kingdom

C)

Two-kingdoms

D)

Three-kingdoms

View Answer
104) Improvement of human race through hereditary qualities is called

A)

euthenics

B)

human heredity

C)

human demography

D)

eugenics

View Answer
105) Mammary glands are modified

A)

sweat gland

B)

sebaceous gland

C)

lacrymal gland

D)

endocrine gland

View Answer
106) Inheritance of a acquired characters comes under

A)

Lamarckism

B)

Darwinism

C)

Neo-Lamarckism

D)

Neo-Darwinism

View Answer
107) he Mesozoic era is also called as

A)

the golden age of the amphibians

B)

the golden age of the reptiles

C)

the golden age of the mammals

D)

the golden age of the birds

View Answer
108) Loop of Henie is associated with

A)

excretory system

B)

respiratory system

C)

reproductive system

D)

digestive system

View Answer
109) Which of the following is an exclusive character of class- Mammalia?

A)

Homoiothermy

B)

Internal fertilization

C)

Presence of a 4-chambered heart

D)

Presence of a muscular diaphragm

View Answer
110) Symmetry in Cnidaria is

A)

radial

B)

bilateral

C)

pentamerous

D)

spherical

View Answer
111) Blood of earthworm is

A)

red in colour, due to dissolved haemoglobin in corpuscle

B)

red in colour, due to dissolved haemoglobin in plasma

C)

blue in colour, due to dissolved haemocyanin in plasma

D)

blue in colour, due to dissolved haemocyanin in corpuscles

View Answer
112) Agranulocytes are

A)

lymphocytes and monocytes

B)

eosinophils and basophils

C)

lymphocytes and eosinophils

D)

basophils and monocytes

View Answer
113) Parthenogenesis is a term of

A)

sexual reproduction

B)

asexual reproduction

C)

budding

D)

regeneration

View Answer
114) Pyramid that is never inverted

A)

energy

B)

mass

C)

number

D)

size

View Answer
115) Two species occupying same or overlapping area are called as

A)

sympatric

B)

allopatric

C)

parapatric

D)

ring species

View Answer
116) CFCs are responsible for

A)

ozone layer depletion

B)

global warming

C)

acid rain

D)

None of the above

View Answer
117) Amoeba differs from Entamoeba in having

A)

contractile vacuole

B)

pseudopodia

C)

ectoplasm

D)

cytostome

View Answer
118) A dihybrid for qualitative trait is crossed with homozygous recessive individual of its type, the phenotypic ratio is

A)

1 : 2 : 1

B)

3 : 1

C)

1 : 1 : 1 : 1

D)

9 : 3 : 3 : 1

View Answer
119) Phenomenon of industrial melanism demonstrates

A)

reproductive isolation

B)

induced mutation

C)

natural selection

D)

geographical isolation

View Answer
120) At menopause, [here is rise in urinary excretion of

A)

FSH

B)

STH

C)

LH

D)

MSH

View Answer
121) Zoological name of common Indian krait is

A)

Bungarus caemleus

B)

Ophiophagus Hannah

C)

Viper russeli

D)

Naja naja

View Answer
122) Study of ticks and mites is

A)

Acarology

B)

Entomology

C)

Malacology

D)

Carcinology

View Answer
123) In acid rain, \[S{{O}_{2}}\]accounts by

A)

70%

B)

100%

C)

50%

D)

30%

View Answer
124) Biosphere reserve programme started in India

A)

1986

B)

1984

C)

1982

D)

1988

View Answer
125) Urea formation takes place in

A)

liver

B)

kidney

C)

pancreas

D)

intestine

View Answer
126) An institution where valuable plant material-likely to become irretrievably lost in the wild or in cultivation is preserved viable condition is known as

A)

genome

B)

gene library

C)

gene bank

D)

herbarium

View Answer
127) Shock movement in "touch me not? plant is

A)

seismonasty

B)

photonascy

C)

chemonasty

D)

thermonasty

View Answer
128) Which is correct for the structure of cell wall of bacteria and fungi?

A)

Both are made up of cellulose

B)

Both have mucopeptide

C)

Both are made up of N- acetylglucosamine

D)

None of the above

View Answer
129) Bacterium which reduces nitrates in soil to nitrogen is

A)

Nitrosomonas

B)

Pseudonionas

C)

Rhizobium

D)

Clostridiitm

View Answer
130) Surrounding membrane of vacoule is called

A)

tonoplast

B)

symplast

C)

apoplast

D)

phragmoplast

View Answer
131) Living fossil is

A)

Ginkgo biloba

B)

Gnetum ula

C)

Finns roxburghii

D)

Cycas revolute

View Answer
132) Sucking roots are present in the plant

A)

Betel

B)

Cuscuca

C)

Mangifera

D)

Solatium

View Answer
133) For cryopreservation, plant materials are frozen at

A)

- 196°C

B)

- 150°C

C)

- 80°C

D)

- 40°C

View Answer
134) Casparian strip is a characteristic feature of

A)

pericycle

B)

periblem

C)

endodermis

D)

hypodennis

View Answer
135) Guttarion occurs through

A)

lenucels

B)

hydathodes

C)

periderm

D)

stomata

View Answer
136) Phycology is the study of

A)

algae

B)

fem

C)

fungi

D)

bryophytes

View Answer
137) ......... is a CAM plant.

A)

Maize

B)

Pineapple

C)

Onion

D)

Pea

View Answer
138) Edible part of the apple is

A)

mesocarp

B)

calyx

C)

thalamus

D)

pericarp

View Answer
139) Sunken siomaia is found in leaves of

A)

Trifolium

B)

Lemna

C)

Nerium

D)

Lilium

View Answer
140) The accumulated food reserve in fungi is

A)

protein

B)

starch

C)

glycogen

D)

fat

View Answer
141) Euploidy is best explained by

A)

exact multiple of a haploid set of chromosomes

B)

one chromosome less than the haploid set of chromosomes

C)

one chromosome more than the haploid set of chromosome

D)

one chromosome more than the diploid set of chromosomes

View Answer
142) Insectivorous plants Sive in a soil that is usually deficient in

A)

nitrate

B)

chloride

C)

potassium

D)

magnesium

View Answer
143) In aerobic respiration, citric acid cycle takes place in

A)

cytosol

B)

mitochondria

C)

peroxysomes

D)

endoplasmic reticulum

View Answer
144) The highest advanced family is

A)

Cruciferae

B)

Cucurbitaceae

C)

Compositae

D)

Euphorbiaceae

View Answer
145) Stalk with which ovules remain attached to the placenta is called

A)

funicle

B)

raphe

C)

hilum

D)

chalaza

View Answer
146) In pteridophytes, phloem is without

A)

sieve cells

B)

sieve tubes

C)

companion cells

D)

bast fibres

View Answer
147) Purified antibiotic penicillin of Penicillium notatum was discovered by

A)

Alexander Flemming

B)

Howard Floxy

C)

Robert Hooke

D)

Carolus Linnaeus

View Answer
148) First vascular plant is

A)

Thallophyta

B)

Bryophyta

C)

Pteridophyta

D)

Spermatophyta

View Answer
149) Bakers yeast is

A)

S. cercvisiae

B)

S. ludwingii

C)

S. octosporus

D)

Schizosaccharomyces

View Answer
150) Dominant generation in bryophytes is

A)

capsule

B)

sporophyte

C)

gametophyte

D)

seta

View Answer
151) Largest flower is

A)

Rafflesia arnnoldi

B)

Helianthus annuus

C)

Welwitschia morabilis

D)

Nelumbo nucifera

View Answer
152) Halophytes are

A)

fire resistant

B)

cold resistant

C)

salt resistant

D)

sand loving

View Answer
153) Natural genetic engineer is

A)

Bacillus subtilis

B)

Pseudomonas sp

C)

Escherichia coli

D)

Agrobacterium tumefaciens

View Answer
154) Cell respiration is carried out by

A)

ribosome

B)

mitochondria

C)

chloroplast

D)

Golgi bodies

View Answer
155) Fluid mosaic model of plasma membrane was given by

A)

Robertson

B)

Robert Hooke

C)

Singer and Nicholson

D)

Pantin and Mast

View Answer
156) Which amino acids are present in histones?

A)

Lysine and histidine

B)

Valine and histidine

C)

Arginine and lysine

D)

Arginine and histidine

View Answer
157) Which has vascular tissue, produces spores, but does not has seeds?

A)

Bryophyta

B)

Pteridophyta

C)

Gymnosperms

D)

Angiosperms

View Answer
158) Which enzyme joins DNA fragments?

A)

DNA ligase

B)

DNA polymerase

C)

DNA gyrase

D)

Topoisomerase

View Answer
159) The structure present in cyanobacteria (BGA) helping in N2 fixation is

A)

haplosperm

B)

holostrum

C)

holotrema

D)

heterocyst

View Answer
160) RNA has uracil instead of

A)

cytosine

B)

guanine

C)

thymine

D)

None of these

View Answer
161) Endosperm of gymnosperm is

A)

diploid

B)

tetraploid

C)

haploid

D)

None of these

View Answer
162) Binomial nomenclature of plants was given by

A)

Engler

B)

Linnaeus

C)

Pranti

D)

Both and

View Answer
163) Bacterial blight of rice is caused due to

A)

Xanthomonas oryzae

B)

Helminthosporium oryzae

C)

Pseudomonas falcatum

D)

Xanthomonas falcatum

View Answer
164) Female reproductive part of bryophytes is

A)

antheridium

B)

oogonium

C)

archegonium

D)

sporangium

View Answer
165) Chitin is present in the cell wall of

A)

fungi

B)

bacteria

C)

yeast

D)

algae

View Answer
166) Triple fusion in angiosperm is the fusion of second sperm with

A)

antipodal cell and one synergid cell

B)

two antipodal cells

C)

two synergid cells

D)

two polar nuclei

View Answer
167) Father of botany is

A)

Linnaeus

B)

Leeuwenhoek

C)

Theophrastus

D)

Aristotle

View Answer
168) Hormone inducing fruit ripening is

A)

ethylene

B)

cytokinin

C)

gibberellic acid

D)

abscisic acid

View Answer
169) Red colour of tomato is due to

A)

\[\beta \]- carotene

B)

anthocyanin

C)

lycopene

D)

erythrocyanin

View Answer
170) In which phase proteins for spindle fibre formation are synthesized?

A)

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

B)

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

C)

S - phase

D)

Anaphase

View Answer
171) Desert grasses often roll their leaves due to presence of

A)

oily surface

B)

bulliform cells

C)

spines

D)

None of these

View Answer
172) \[{{F}_{1}}\]particles are present in

A)

chloroplast

B)

mitochondria

C)

ribosome

D)

rough ER

View Answer
173) Sucrose, a common table sugar is composed of

A)

glucose + fructose

B)

glucose + galactose

C)

fructose + galactose

D)

None of the above

View Answer
174) Which is not true about sphaerosomes?

A)

Arise from ER

B)

Related to fat

C)

Single membrane bound structure

D)

Involved in photorespiration

View Answer
175) The species listed in Red Data book are

A)

threatened

B)

endangered

C)

rare

D)

All of these

View Answer
176) Inflorescence of family- Compositae is

A)

perianth

B)

lodicule

C)

capitulum

D)

hypanthodium

View Answer
177) Prokaryotic ribosome has sedimentation coefficient of

A)

80S

B)

70S

C)

40S

D)

60S

View Answer
178) The condition where filaments and anthers are fused throughout the entire length is

A)

synandrous

B)

gynandrous

C)

protandrous

D)

syngenesius

View Answer
179) In dicotstem, vascular bundles are

A)

numerous scattered

B)

arranged in a ring

C)

without cambium

D)

surrounded by bundle sheath

View Answer
180) Neurons of people suffering from diabetes insipidus do not secrete

A)

enzyme

B)

steroid

C)

fatty acid

D)

ADH

View Answer
181) Insulin and glucagon are transported to target organ by

A)

lymph

B)

blood

C)

pancreatic duct

D)

cystic duct

View Answer
182) Which is false for nutrition in Amoeba?

A)

Omnivorous

B)

Pseudopodia feeder

C)

Holozoic nutrition

D)

Photoautotroph

View Answer
183) Ions that must be present for binding the cross bridges is

A)

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

B)

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

C)

\[{{K}^{+}}\]

D)

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

View Answer
184) Dreaming occurs in

A)

\[\alpha \]-sleep

B)

REM sleep

C)

deep sleep

D)

slow wave sleep

View Answer
185) Study of behaviour of animal is called

A)

ethology

B)

parapsychology

C)

euphenics

D)

etiology

View Answer
186) Minimata disease is caused due to presence of ......... in water.

A)

cadmium

B)

lead

C)

arsenic

D)

mercury

View Answer
187) Rain is called acid rain when its pH is below

A)

7

B)

6.5

C)

6

D)

5.6

View Answer
188) The immediate cause of induction of ovulation in female is the large plasma surge of

A)

progesterone

B)

estriadiol

C)

LH

D)

FSH

View Answer
189) HIV virus affect......... in AIDS patient.

A)

cytotoxic T-cell

B)

M-N cell

C)

suppressor cell

D)

helper T-cells

View Answer
190) Which is incorrect?

A)

Wings of insects and birds are analogous

B)

Wings of insects and bats are analogous

C)

Wings of insects and birds are homologous

D)

Wings of bats and birds are homologous

View Answer
191) Dental formula of human being is

A)

\[{{I}_{2}},\text{ }{{C}_{2}},\text{ }{{P}_{1}},\text{ }{{M}_{3}}\]

B)

\[{{I}_{2}},\text{ }{{C}_{1}},\text{ }{{P}_{2}},\text{ }{{M}_{3}}\]

C)

\[{{I}_{3}},\text{ }{{C}_{1}},\text{ }{{P}_{2}},\text{ }{{M}_{2}}\]

D)

\[{{I}_{2}},\text{ }{{C}_{2}},\text{ }{{P}_{3}},\text{ }{{M}_{1}}\]

View Answer
192) Which is not correctly matched?

A)

Annedlida                          \[\to \]Enterocoelomate

B)

Platyhelminthes                              \[\to \]Acoelomate

C)

Arthropoda                       \[\to \]Schizocoelomate

D)

Nemathelminthes          \[\to \]Pseudocoelomate

View Answer
193) Maximum net productivity in the terrestrial ecosystem is in

A)

rain forest

B)

deciduous forest

C)

mangrove plantation

D)

Both and

View Answer
194) ......... acts as a shock absorber to cushion when tibia and femur came together.

A)

Ligament

B)

Cartilage

C)

Tendon

D)

Disc

View Answer
195) In higher vertebrates, SA nodes helps in

A)

conduction of blood

B)

initiation of heart beat

C)

opening of tricuspid valve

D)

opening of bicuspid valve

View Answer
196) Renin is secreted from

A)

juxtaglomerular cells

B)

podocytes

C)

nephridia

D)

stomach

View Answer
197) The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientist who proposed this law?

A)

Calvin

B)

Weismann

C)

Emerson

D)

Blackmann

View Answer
198) Osmoregulation in Paramecium is a function of

A)

contractile vacuole

B)

trichocysts

C)

cytopyge

D)

cytostome

View Answer
199) Which of the following is a day neutral plant?

A)

Helianthus annuus

B)

Euphorbia pulcherrima

C)

Avena sativa

D)

Beta vulgaris

View Answer
200) Water vascular system found in

A)

Mollusca

B)

Arthropoda

C)

Annelida

D)

Echinodermata

View Answer

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AMU Solved Paper-2009 Total Questions - 200