Solved papers for AMU Medical AMU Solved Paper-2003

AMU Solved Paper-2003 Total Questions - 200

1) A 10 \[\mu F\]capacitor is charged by a battery of emf 200V. The energy drawn from the battery, and the energy stored in the capacitor, are respectively

A)

0.05 J and 0 m J

B)

0.05 mJ and 0.05 m J

C)

0.4 J and 0.2 J

D)

1.0 m J and 0.5 m J

View Answer
2) A light spiral spring supports a 200 g weight at its lower end. It oscillates up and down with a period of 1 s. How much weight (gram) must be removed from the lower end to reduce the period to 0.5 s ?

A)

200

B)

50

C)

53

D)

100

View Answer
3) A source of sound of frequency n and a listener approach each other with a velocity equal to \[\frac{1}{20}\] of velocity of sound. The apparent frequency heard by the listener is

A)

\[\left( \frac{21}{19} \right)n\]

B)

\[\left( \frac{20}{21} \right)n\]

C)

\[\left( \frac{21}{20} \right)n\]

D)

\[\left( \frac{19}{20} \right)n\]

View Answer
4) The displacement-time graphs of two bodies and B are shown in figure. The ratio \[\left( \frac{{{v}_{A}}}{{{v}_{B}}} \right)n\] of velocity of A to velocity of B, is

A)

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

B)

\[\sqrt{3}\]

C)

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

D)

\[3\]

View Answer
5) A car is moving in a circular path of radius 500 m wih a speed of 30 m/s. If the speed is increasing, at the rate of \[\text{2 m}/{{\text{s}}^{\text{2}}},\] the resultant acceleration will be

A)

\[\text{2 m}/{{\text{s}}^{\text{2}}}\]

B)

\[\text{2}.\text{5 m}/{{\text{s}}^{\text{2}}}\]

C)

\[\text{2}.\text{7 m}/{{\text{s}}^{\text{2}}}\]

D)

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

View Answer
6) An AC supply of 100 V is applied to a capacitor of capacitance 20 \[\mu \text{F}.\]If the current in the circuit is 0.628 A, the frequency of AC. must be

A)

50 Hz

B)

60 Hz

C)

25 Hz

D)

40 Hz

View Answer
7) A cell of bmfX is connected across a resistor R. The potential difference across the wire is measured as \[Y.\]The internal resistance of the cell should be

A)

\[\frac{X-Y}{R}\]

B)

\[\frac{(X-Y)R}{Y}\]

C)

\[\frac{(X-Y)Y}{R}\]

D)

\[(X-Y)R\]

View Answer
8) Which of the following group is diamagnetic?

A)

Copper, hydrogen, silver

B)

Copper, hydrogen, argon

C)

Hydrogen, oxygen, argon

D)

Copper, silver, oxygen

View Answer
9) A wire has frequency \[f.\] Its length is doubled by stretching. Its frequency now will be

A)

1.4\[f\]

B)

0.7\[f\]

C)

2\[f\]

D)

\[f\]

View Answer
10) If a drop of water is introduced between the glass plate and a convex lens in a Newtons ring system, the ring system

A)

expands

B)

contracts

C)

remains same

D)

first expands then contracts

View Answer
11) A nicol prism is based on the action of

A)

double refraction

B)

refraction

C)

dichroism

D)

Both (a) and (b)

View Answer
12) A source of light suspended above a circular table at a height equal to the radius of the table gives an intensity I at the centre of the table, the intensity at the edge of the table would be (Assuming illuminace remains the same)

A)

0.251

B)

0.51

C)

0.77

D)

2.87

View Answer
13) The boiling point of mercury is \[367{}^\circ C\]. A mercury thermometer can be used to measure a temperature of \[500{}^\circ C\]

A)

by filling the space above mercury with oxygen at high pressure

B)

by filling the space above mercury with nitrogen at low pressure

C)

by filling the space above mercury with nitrogen at high pressure

D)

by keeping the space above mercury as vacuum

View Answer
14) 2 moles of monoatomic gas is mixed with 1 mole of a diatomic gas. Then y for the mixture is

A)

1.4

B)

1.55

C)

1.62

D)

1.67

View Answer
15) A body of mass 2 kg has an initial velocity of \[\text{5 m}{{\text{s}}^{-1}}\] along OE and it is subjected to a force of 4 N in a direction perpendicular to \[\text{OE}.\]The distance of the body from 0 after 4 s will be

A)

20m

B)

48m

C)

26m

D)

12m

View Answer
16) A solid cylinder of radius r rolls down on an inclined plane without slipping. The speed of the centre of mass when it reaches the bottom, is

A)

\[\sqrt{3gh}\]

B)

\[\sqrt{4g}\]

C)

\[\sqrt{\frac{3gh}{4}}\]

D)

\[\sqrt{\frac{4gh}{3}}\]

View Answer
17) The ratio of the radii of two spheres of the same mass, having the same moment of inertia about their diameters, one hollow and other solid, is

A)

\[\sqrt{3}:\sqrt{5}\]

B)

\[\sqrt{4g}\]

C)

25 9

D)

9 25

View Answer
18) The correct graph representing the relation between energy (E) of photoelectrons and frequency v of incident light is

A)

B)

C)

D)

View Answer
19) Nuclear force is

A)

short range and charge dependent

B)

short range and charge independent

C)

long range and charge dependent

D)

long range and charge independent

View Answer
20) The angular velocity of earth at present is \[\omega \] With what angular velocity should it rotate \[\omega \] that weight of a body at the equator appears\[\omega \] be zero?

A)

289\[\omega \]

B)

17\[\omega \]

C)

8\[\omega \]

D)

2\[\omega \]

View Answer
21) A force \[\overset{\to }{\mathop{F}}\,~=\text{ 6}\overset{\hat{\ }}{\mathop{\text{i}}}\,\text{ }+\text{ 5}\overset{\hat{\ }}{\mathop{\text{J}}}\,\]newton acts and displaces the body through \[\overset{\to }{\mathop{s}}\,~=\text{ 3}\overset{\hat{\ }}{\mathop{\text{i}}}\,\text{ }+\text{ 2}\overset{\hat{\ }}{\mathop{k}}\,\]metre. Then the work done is given by

A)

8J

B)

28 J

C)

18 J

D)

10 J

View Answer
22) The radius of aluminium nucleus (in fermi nearly

A)

1.5

B)

2.5

C)

4.5

D)

13.5

View Answer
23) A triode having \[{{\text{r}}_{p}}\text{ }=\text{ 25 k}\Omega \]is used as an oscillator with a load of 50 k\[\Omega \]. If gain is 20, amplification factor is

A)

75

B)

50

C)

30

D)

25

View Answer
24) The neutron has

A)

electron charge and spin

B)

no charge but has spin

C)

no charge and no spin

D)

no charge but has exact mass of proton

View Answer
25) When a hydrogen bomb explodes, which of the following is used ?

A)

Fission

B)

Fusion

C)

Both (a) and (b)

D)

None of the above

View Answer
26) A hollow metal ball 8 cm in diameter is given a charge \[-4\times {{10}^{-8}}C.\] The potential on the surface of the ball is

A)

zero

B)

-90V

C)

-9000V

D)

-900V

View Answer
27) n identical resistors each of resistance r when connected in parallel, have a total resistance R. When these resistors are connected in series, then effective resistance in terms ofR is

A)

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

B)

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

C)

\[n\,R\]

D)

\[\frac{R}{n\,}\]

View Answer
28) Two electric bulbs, one of 200 V, 40 W and the other of 200V, 100W are connected in a domestic circuit. Then

A)

the resistance of the bulb of 100 W is more

B)

the resistance of the bulb of 40 W is more

C)

the resistance of both the bulbs are same

D)

they have equal currents through them

View Answer
29) Two identical capacitors are joined in parallel and charged to a potential V. Then these are separated and connected in series with the positive plate of one connected to the negative of the other. Then the

A)

potential difference between the plates becomes 2V

B)

energy stored in the system increases

C)

charges on the free plates are enhanced

D)

charges on the plates connected together are destroyed

View Answer
30) \[\left[ M{{L}^{2}}{{T}^{-3}}{{I}^{-1}} \right]\]is the dimension of

A)

electric field

B)

capacity

C)

potential

D)

permittivity

View Answer
31) The speed of the sound in air is 333 m/s. The fundamental frequency of the open pipe is 333 Hz. The second overtone of the open organ pipe can be produced with a pipe of length

A)

0.5 m

B)

1.0m

C)

1.5m

D)

2.0m

View Answer
32) The \[v-t\]graph of a moving object is given in figure. The maximum acceleration is

A)

\[\text{1 cm}/{{\text{s}}^{\text{2}}}\]

B)

\[\text{2 cm}/{{\text{s}}^{\text{2}}}\]

C)

\[\text{3 cm}/{{\text{s}}^{\text{2}}}\]

D)

\[\text{6 cm}/{{\text{s}}^{\text{2}}}\]

View Answer
33) Water rises in a capillary tube up to a length 10 cm. If the tube is inclined at \[45{}^\circ \], the length of water rises in tube will be

A)

\[10\,cm\]

B)

\[10\sqrt{2}\,\,cm\]

C)

\[\frac{10}{\sqrt{2}}\,\,cm\]

D)

None of these

View Answer
34) As compared to a person with white skin, another person with dark (black) skin will experience

A)

less heat and more cold

B)

more heat and more cold

C)

more heat and less cold

D)

less heat and less cold

View Answer
35) If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. The focal length of objective is

A)

100cm

B)

10cm

C)

20cm

D)

25cm

View Answer
36) At a certain place the horizontal component of the earths magnetic field is H and the angle of dip is 45°. The total intensity of the field at that place will be

A)

H

B)

\[\sqrt{2}H\]

C)

2 H

D)

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

View Answer
37) If transition temperature is doubled, the critical field will

A)

become half

B)

become double

C)

remain the same

D)

become four times

View Answer
38) Hydrogen and helium volume V at same temperature T and same pressure p are mixed to have same volume V. The resulting pressure of the mixture will be

A)

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

B)

P

C)

2P

D)

depending on the relative mass of the gases

View Answer
39) The quantity of heat required to heat 1 mole of a monoatomic gas through 1 K at constant pressure is

A)

3.5 R

B)

2.5 R

C)

1.5R

D)

None of these

View Answer
40) Light of wavelength 500 nm is used to form interference pattern in Youngs double slit experiment. A uniform glass plate of refractive index 1.5 and thickness 0.1 mm is introduced in the path of one of the interfering beams. The number of fringes which will shift the cross wire due to this is

A)

400

B)

300

C)

200

D)

100

View Answer
41) If a lens is moved towards the object from a distance of 20 cm to IS cm, the magnification of the image remains the same. The focal length of the lens is

A)

18.2cm

B)

16.8cm

C)

17.5cm

D)

15.5cm

View Answer
42) The displacement of a particle from its mean position (in metre) is given by \[\text{y }=0.\text{2 sin }\left( \text{10}\pi \text{t }+\text{ 1}.\text{5}\pi \right)\text{ cos }\left( \text{10}\pi \text{t }+\text{ l}.5\pi \right)\]The motion of the particle is

A)

periodic but not SHM

B)

non periodic

C)

simple harmonic motion with period 0.1 s

D)

simple harmonic motion with period 0.2 s

View Answer
43) An ideal monoatomic gas is taken around the cycle ABCDA as shown in figure. The work done during the cycle is given by

A)

8pV

B)

pV

C)

4pV

D)

2pV

View Answer
44) When two bodies A and B are in them equilibrium

A)

the kinetic energies of all the molecules of A and B will be equal

B)

the potential energies of all the molecules of A and B will be equal

C)

the internal energies of the two bodies will be equal

D)

the average kinetic energy of the molecules of two bodies will be equal

View Answer
45) Two forces P and Q have a resultant perpendicular to P. The angle between forces is

A)

\[{{\tan }^{-1}}\left( -\frac{P}{Q} \right)\]

B)

\[{{\tan }^{-1}}\left( \frac{P}{Q} \right)\]

C)

\[{{\sin }^{-1}}\left( \frac{P}{Q} \right)\]

D)

\[{{\cos }^{-1}}\left( -\frac{P}{Q} \right)\]

View Answer
46) To increase the period of a pendulum by 1C the length should be increased by percentage)

A)

21

B)

11

C)

10.5

D)

10

View Answer
47) A satellite is rotating around a planet in orbit of radius r with time period\[T\]if gravitational force changes according to \[{{r}^{5/2}},\] then \[{{\text{T}}^{\text{2}}}\]will be

A)

\[\propto {{r}^{3}}\]

B)

\[\propto {{r}^{7/2}}\]

C)

\[\propto {{r}^{9/2}}\]

D)

\[\propto {{r}^{3/2}}\]

View Answer
48) The minimum force required to move a body of mass m vertically upward is

A)

mg

B)

mg/2

C)

more than 2mg

D)

more than mg

View Answer
49) A body of mass 1 kg crosses a point \[o\] with a velocity \[\text{6}0\text{ m}{{\text{s}}^{-1}}.\] A force of 10 N directed towards \[o\] begins to act on it. It will again cross O in

A)

24 s

B)

12 s

C)

  6 s

D)

will never return to O

View Answer
50)                 In certain region on the screen, blue and red colours fall at the same time. This region will show

A)

yellow

B)

magenta

C)

indigo

D)

brown

View Answer
51) A covalent chloride is

A)

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

B)

\[NaCl\]

C)

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

D)

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

View Answer
52) An element which exhibit an oxidation state +2. How many electrons are present in its outermost shell?

A)

6

B)

8

C)

2

D)

5

View Answer
53) The empirical formula of a compound is CH. Its molecular weight is 78. The molecular formula of compound will be

A)

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

B)

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

C)

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

D)

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

View Answer
54) The element that is easiest to be reduced

A)

Ag

B)

Fe

C)

Cu

D)

Sn

View Answer
55) The molecular weight of two gases are 100 and 81 respectively. Their rates of diffusions are in the ratio

A)

81 : 100

B)

100 : 81

C)

10 : 9

D)

9 : 10

View Answer
56) Among \[LiCl,\,\,BeC{{l}_{2}},\,BC{{l}_{3}}\] and \[CC{{l}_{4}}\], covalent bond character follows the order

A)

\[LiCl<BeC{{l}_{2}}<BC{{l}_{3}}<CC{{l}_{4}}\]

B)

\[LiCl<BeC{{l}_{2}}>BC{{l}_{3}}>CC{{l}_{4}}\]

C)

\[LiCl>BeC{{l}_{2}}<BC{{l}_{3}}<CC{{l}_{4}}\]

D)

\[LiCl>BeC{{l}_{2}}>BC{{l}_{3}}>CC{{l}_{4}}\]

View Answer
57) The correct designation of an electron with \[n=4,\,\,l=3,\,\,m=2\] and \[s=-\frac{1}{2}\] is

A)

5s

B)

4s

C)

4d

D)

4 \[f\]

View Answer
58) Tritium on radioactive decay gives

A)

proton

B)

p particle

C)

positron

D)

a particle

View Answer
59) In two separate bulbs containing ideal gases A and B respectively, the density of gas A is twice of that of gas B while mol. wt. of gas A is half of that of gas B at the same temperature, pressure. \[\frac{{{P}_{A}}}{{{p}_{B}}}\] will be

A)

1

B)

4

C)

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

D)

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

View Answer
60) On passing electric current of one ampere for 16 min and 5 s through one litre solution of\[CuC{{l}_{2}}\], all copper solution was deposited at cathode. The strength of \[CuC{{l}_{2}}\] solution was (molar mass of Cu = 63.5, faraday constant = 96500 C/mol)

A)

0.2 N

B)

0.01 N

C)

0.001 N

D)

0.02 N

View Answer
61) The ionic product of water...........with the increase in temperature

A)

decreases

B)

increases

C)

remains constant

D)

None of the above

View Answer
62) Consider reversible reaction,\[HCN(aq){{H}^{+}}(aq)+C{{N}^{-}}(aq)\] At equilibrium the addition of \[C{{N}^{-}}(aq)\] would

A)

decrease the \[{{H}^{+}}(aq)\] ion concentration

B)

reduce HCN (aq) concentration

C)

increase the equilibrium constant

D)

decrease the equilibrium constant

View Answer
63) For the reaction\[C(s)+C{{O}_{2}}(g)2CO(g)\]the partial pressure for \[C{{O}_{2}}\] and CO are 4 and 8 atm respectively. \[{{K}_{p}}\] for the reaction is

A)

1 atm

B)

5 atm

C)

2 atm

D)

16 atm

View Answer
64) The binding energy per nucleon of oxygen atom \[_{8}{{O}^{16}}\], which has a mass 15.994910 u is : (mass of neutron = 1.008665, mass of proton = 1.007277 u, mass of electron = 0.0005486 u) is

A)

7.976 MeV

B)

8.542 MeV

C)

6.62 MeV

D)

931 MeV

View Answer
65) \[{{t}_{1/2}}\] for Kr is 10.6 yr. The time taken for 99.9% decay of Kr is

A)

106 yr

B)

1060 yr

C)

1.06 yr

D)

10.6 yr

View Answer
66) A gas is found to have formula \[{{(CO)}_{n}}\]. If its vapour density is 56, the value of n will be

A)

7

B)

5

C)

4

D)

3

View Answer
67) The same amount of electricity was passed through two cells containing molten \[A{{l}_{2}}{{O}_{3}}\] and molten \[NaCl\]. If 1.8 g of Al were liberated in one cell, the amount of Na liberated in other cell is

A)

2.8 g

B)

3.2 g

C)

4.6 g

D)

6.8 g

View Answer
68) The molal freezing point constant for water is\[{{1.86}^{o}}C/mol\]. If 342 g of sucrose \[({{C}_{12}}{{H}_{22}}{{O}_{11}})\]is dissolved in 1000 g of water, the solution will freeze at

A)

\[+{{1.86}^{o}}C\]

B)

\[-{{1.86}^{o}}C\]

C)

\[{{2.42}^{o}}C\]

D)

\[{{3.92}^{o}}C\]

View Answer
69) pH of 0.005 \[{{H}_{2}}S{{O}_{4}}\] solution is

A)

2

B)

3

C)

2.301

D)

3.6990

View Answer
70) The molal elevation constant is the ratio of elevation in b.p. to

A)

molality

B)

mole fraction

C)

molarity

D)

None of these

View Answer
71) Which of the following is the strongest acid?

A)

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

B)

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

C)

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

D)

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

View Answer
72) For spontaneous process

A)

G decreases

B)

G increases

C)

S decreases

D)

S = 0

View Answer
73) If \[C(s)+{{O}_{2}}(g)\,\,\xrightarrow{{}}\,\,C{{O}_{2}}(g)\,;\]     \[\Delta H=R\] and\[CO(g)+\frac{1}{2}{{O}_{2}}(g)\,\,\,\xrightarrow{{}}\,\,C{{O}_{2}}(g);\]\[\Delta H=S\] then heat of formation of CO is

A)

R + S

B)

R - S

C)

\[R\times S\]

D)

S - R

View Answer
74) When \[NaOH\] is added to a solution of\[C{{H}_{3}}COONa\], then

A)

the cone. of both \[O{{H}^{-}}\] and \[C{{H}_{3}}CO{{O}^{-}}\]increases

B)

the cone. of \[C{{H}_{3}}CO{{O}^{-}}\] decreases

C)

the cone. of \[C{{H}_{3}}CO{{O}^{-}}\] increases

D)

dissociation of \[C{{H}_{3}}COONa\] increases

View Answer
75) Chile salt petre is

A)

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

B)

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

C)

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

D)

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

View Answer
76) Under what conditions will a pure sample of ideal gas not only exhibit a pressure of 1 atm, but also a concentration of 2 mol per litre?

A)

At STP

B)

When volume is 22.4 L

C)

At 6.1 K

D)

When R has no unit

View Answer
77) For the gas phase reaction,\[{{C}_{2}}{{H}_{4}}+{{H}_{2}}{{C}_{2}}{{H}_{6}}\]\[(\Delta H=-32.7\,\,kcal)\]carried out in a vessel, the equilibrium cone. of \[{{C}_{2}}{{H}_{6}}\] can be increased by

A)

increasing the pressure

B)

decreasing the temperature

C)

adding some Hz

D)

All of the above

View Answer
78) Pick out the isoelectronic structure from the following\[(I)\overset{+}{\mathop{C}}\,{{H}_{3}}(II){{H}_{3}}\overset{+}{\mathop{O}}\,(III)N{{H}_{3}}\,\,(IV)\overset{-}{\mathop{C}}\,{{H}_{3}}\]

A)

I and II

B)

III and IV

C)

II, III and IV

D)

III and IV and I

View Answer
79) Mg on heating to redness in an atmosphere of \[{{N}_{2}}\] and then on treating with \[{{H}_{2}}O\] gives

A)

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

B)

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

C)

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

D)

MgO

View Answer
80) Bond energy is highest for

A)

Ge?Ge

B)

C?C

C)

Sn?Sn

D)

Si?Si

View Answer
81) Which acid derivative on hydrolysis, will give brown precipitate with Nesslefs reagent?

A)

Acid anhydride

B)

Acid amide

C)

Acid chloride

D)

All of the above

View Answer
82) n-hexadecane (cetane) has cetane number

A)

110

B)

90

C)

100

D)

zero

View Answer
83) Alkyne occur in nature in

A)

partially free state

B)

not in free state

C)

free state

D)

None of the above

View Answer
84) Alkaline earth metals are

A)

reducing agent

B)

amphoteric

C)

dehydrating agent

D)

oxidising agent

View Answer
85) Copper sulphate is commercially made from copper scrap by

A)

heating with sodium sulphate

B)

heating with sulphur

C)

action of dil sulphuric acid and air

D)

dissolving in hot concentrated sulphuric acid

View Answer
86) To a piece of a charcoal sulphuric acid is added. Then

A)

there is no reaction

B)

water gas is formed

C)

\[S{{O}_{2}}\] and \[C{{O}_{2}}\] are evolved

D)

CO and \[S{{O}_{2}}\] are evolved

View Answer
87) What happens when carbonates, of IA group elements are heated?

A)

\[C{{O}_{2}}\] is given out

B)

Water vapours are given out

C)

Carbon dioxide and water vapours are evolved

D)

None of the above

View Answer
88) pH of aqueous of sodium borate is

A)

>7

B)

6 > 7

C)

7

D)

< 7

View Answer
89) Which of the following cannot act as reducing agent?

A)

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

B)

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

C)

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

D)

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

View Answer
90) The major product of dehydration of n-butyl alcohol is

A)

1-butene

B)

1-butyne

C)

2-butene

D)

All of these

View Answer
91) Colourless ion among the following is

A)

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

B)

                \[C{{r}^{3+}}\]

C)

\[{{V}^{2+}}\]

D)

\[T{{i}^{3+}}\]

View Answer
92) \[P{{I}_{3}}\] upon hydrolysis give

A)

monobasic acid and dibasic acid

B)

monobasic and tribasic acid

C)

monobasic acid and a salt

D)

dibasic acid and tribasic acid

View Answer
93) 1-propanol can be easily obtained from propene \[C{{H}_{3}}-CH=C{{H}_{2}}\], by oxidation in the presence of

A)

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

B)

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

C)

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

D)

None of these

View Answer
94) Benzoic acid with \[Ba{{(OH)}_{2}}\] gives

A)

barium benzoate

B)

benzaldehyde

C)

benzene

D)

toluene

View Answer
95) Diazonium salt is obtained when aniline reacts with

A)

cold NaOH

B)

\[NaN{{O}_{2}}\] and \[HCl\,(0-{{5}^{o}}C)\]

C)

\[SnC{{l}_{2}}\] at \[{{10}^{o}}C\]

D)

\[{{N}_{2}}O\] at \[(0-{{5}^{o}}C)\]

View Answer
96) Which of the following is formed on reaction of acetaldehyde with HCN followed by hydrolysis?

A)

Butyl alcohol

B)

Acetic acid

C)

Oxalic acid

D)

Lactic acid

View Answer
97) Gem dihalides on treatment with alcoholic KOH give

A)

alkyne

B)

alkene

C)

alkane

D)

All of these

View Answer
98) IUPAC name of \[{{({{C}_{2}}{{H}_{5}}CO)}_{2}}O\]

A)

acetic acid

B)

propanoic anhydride

C)

butanone

D)

None of the above

View Answer
99) Which of the following does not occur in free state?

A)

Pt

B)

Os

C)

Au

D)

Cu

View Answer
100) The number of \[\pi \] and n bonds in but-l-ene-3-yne are

A)

                \[7\sigma \] and \[3\pi \]

B)

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

C)

\[8\sigma \] and \[4\pi \]

D)

\[5\sigma \] and \[5\pi \]

View Answer
101) Virion is a

A)

bacterium

B)

blue -green algae

C)

simple virus particle

D)

None of the above

View Answer
102) The number of stomata present per \[c{{m}^{2}}\]of a leaf is

A)

1000

B)

less than 100

C)

one million

D)

None of these

View Answer
103) Binomial nomenclature means that every organism has

A)

two names one scientific and other popular

B)

one scientific name consisting of a generic and a specific epithet

C)

one name give by two scientists

D)

two names, one latinize and other of the person

View Answer
104) Mesophyll is well differentiated into palisade and spongy tissue in

A)

dicot leaves

B)

monocot leaves

C)

xerophytic stem

D)

hydrophytic stem

View Answer
105) Cell organelle common in Monera and Protista

A)

lysosome

B)

chloroplast

C)

ribosome

D)

vacuole

View Answer
106) Cell wall present in water conducting tissues, represented by swollen nodules is known as

A)

tertiary wall

B)

middle lamella

C)

plasmalemma

D)

primary cell wall

View Answer
107) Grana is ill developed or absent in the chloroplast in the

A)

stem of Hydrilla

B)

leaf of sunflower

C)

bundle sheath of sugarcane leaf

D)

mesophyll of grasses

View Answer
108) A straight fertilizer is the one, which is

A)

absorbed by roots directly

B)

absorbed by the plants from aerial spray

C)

having only one primary nutrient

D)

not easily leached

View Answer
109) Pollenkit material is secreted by

A)

tapetum

B)

endothecium

C)

epidermis

D)

endodermis

View Answer
110) In certain plant species red flower colour is incompletely dominant to white flower colour (the heterozygote is pink) and tall stems are completely dominant to dwarf stem. If a tall pink plant (TtRr) is crossed with a tall white plant (TTrr), which one of the following type of plants would be produced in the offsprings?

A)

Tall pink and tall white

B)

Dwarf pink and tall red

C)

Dwarf red and tall pink

D)

Tall pink and dwarf white

View Answer
111) Growth rings are absent or not sharply demarcated in the trees of

A)

temperate deciduous

B)

tropical evergreen

C)

temperate evergreen

D)

tropical deciduous

View Answer
112) An example of naturally occurring parthenocarpic fruit is

A)

apple

B)

mango

C)

banana

D)

guava

View Answer
113) Water stomata are found in

A)

plants lacking normal stomata

B)

plants inhabiting dry regions

C)

plants inhabiting humid region

D)

all plants

View Answer
114) Polygenic concept of inheritance was first experimentally shown by

A)

Malthus (1828)

B)

Gabon (1883)

C)

Nilson Ehle

D)

None of the above

View Answer
115) If a starving plant is provided with glucose, the rate of respiration would

A)

first rise than fall

B)

become constant

C)

decrease

D)

increase

View Answer
116) Meiosis in Dryopteris takes place at the time of

A)

gamete formation

B)

spore formation

C)

formation of sex organs

D)

endosperm formation

View Answer
117) First seed plant appeared during which you

A)

Silurian

B)

Devonian

C)

Carboniferous

D)

Cretaceous

View Answer
118) Selaginella does not show

A)

protostele

B)

microphyllous leaves

C)

precocious germination

D)

circinate venation

View Answer
119) Calcium encrustation and larvicidal properties are present in

A)

Chara

B)

Oscillatoria

C)

Diatoms

D)

Caulerapa

View Answer
120) In Spirogyra

A)

filaments, in which lateral conjugation occur are homothallic

B)

filaments, in which sclariform conjugation occur are homothallic

C)

filaments, in which lateral conjugation occur are heterothallic

D)

a sexual reproduction occur by zoospores

View Answer
121) Formation, growth and development of a new individual from egg is known as

A)

Embryology

B)

Genetics

C)

Ethnobotany

D)

Cytology

View Answer
122) Which type of moss is Funaria?

A)

Acrocarpous moss

B)

Pleurocarpous moss

C)

Anacrogynous moss

D)

Cleistocarpous moss

View Answer
123) Fin Funaria, the haploid structure is

A)

protonema

B)

capsule

C)

columella

D)

seta

View Answer
124) The lacunae in vascular bundle of monocot stem is

A)

a mucilage canal

B)

a large sized vessel

C)

lysigenous water cavity

D)

metaxylem

View Answer
125) Secondary phloem remains functional generally

A)

for one year

B)

for less than one year

C)

for many years

D)

as long as plant is alive

View Answer
126) Tubulin protein occurs in

A)

digestive enzymes

B)

rough endoplasmic reticulum

C)

thylakoids

D)

microtubules

View Answer
127) While preparing sauce, chatni and jams, these should not be heated in iron containers because

A)

acid reacts with iron to give black colour

B)

makes edible material poisonous

C)

takes a longer time to ripe

D)

edible material becomes rusty

View Answer
128) The lentic ecosystem includes

A)

gravitational water

B)

standing water

C)

rainwater

D)

running water

View Answer
129) Light reaction takes place in

A)

grana

B)

endoplasmic reticulum

C)

stroma

D)

mitochondria

View Answer
130) Which part of root absorbs both water and minerals?

A)

Zone of cell differentiation

B)

Zone of cell formation

C)

Zone of cell elongation

D)

Terminal portion of roots

View Answer
131) Pneumatophores are helpful in

A)

protein synthesis

B)

respiration

C)

carbohydrate metabolism

D)

transpiration

View Answer
132) The osmotic parameter determining the flow of water from one cell to another is

A)

OP

B)

DPD

C)

TP

D)

Hydrostatic pressure

View Answer
133) \[C{{O}_{2}}\]acceptor in \[{{C}_{4}}\]plant is

A)

PGA

B)

Oxalo acetic add

C)

RuDP

D)

PEP

View Answer
134) Which of the following movements is induced by injury?

A)

Aerotropism

B)

Geotropism

C)

Tromonasty

D)

Traumatropism

View Answer
135) In Desmodium gyrans when environmental conditions are favourable

A)

lateral leaflet remains static and middle one oscillate

B)

middle leaflet remains static and lateral oscillate simultaneously

C)

middle leaflet remains static and lateral oscillate alternately

D)

all three leaves oscillate

View Answer
136) Which of the following is called stinging nettle?

A)

Utricaurens

B)

Adhatoda

C)

Verbascum

D)

None of these

View Answer
137) In big cities, the major atmospheric pollutant is

A)

carbon monoxide and oxides of sulphur

B)

hydrocarbon and hot air

C)

pollens and marsh gas

D)

ozone

View Answer
138) Substance related with phototropism in shoot is

A)

ethanol

B)

cytokinins

C)

auxin

D)

gibberellins

View Answer
139) The structural genes in the lac operon serially comprise

A)

y, a and z cistrons

B)

a, y and z cistrons

C)

z, a and y cistrons

D)

z, y and a cistrons

View Answer
140) Phytoplanktons are

A)

insectivorous

B)

chemotrophs

C)

heterotrophs

D)

autotrophs

View Answer
141) Which of the following combines irreversibly with blood haemoglobin?

A)

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

B)

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

C)

\[CO\]

D)

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

View Answer
142) Sugarcane is cultivated through

A)

stem cutting

B)

root cutting

C)

true seed

D)

adventitious roots

View Answer
143) What will happen if the supply of oxygen is decreased to an illuminated wheat plant?

A)

Its photosynthesis would decrease

B)

Its respiration process would stop

C)

All physiological process would stop

D)

Its photosynthesis would increase

View Answer
144) Assimilatory power in photosynthesis refers to

A)

\[ATP+NADP{{H}_{2}}+C{{O}_{2}}\]

B)

\[ATP+NADP{{H}_{2}}\]

C)

\[ATP\]

D)

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

View Answer
145) Richest source of protein is

A)

rice

B)

gram

C)

wheat

D)

Glycine max

View Answer
146) In cyanophage, the genetic material is

A)

RNA

B)

DNA

C)

Both (a) and (b)

D)

protein

View Answer
147) Maximum utilization of biotechnological techniques has been made in the field of

A)

industries

B)

medicines

C)

agriculture

D)

biogas production

View Answer
148) A small aquatic plant was put in each of the petri dishes ? X, Y and Z, containing different culture solutions. After six weeks the plant in dish X has the same number of leaves as it has previously and were all small and yellowish. Plant in dish Y had more leaves of normal size and dark green colour. Plants in dish Z had more leaves of normal size but very pale. Which of the following shows the element missing in the culture?

A)

X Y Z

Magnesium Phosphorus Nitrogen

B)

X Y Z

Phosphorus Magnesium Nitrogen

C)

X Y Z

Phosphorus Nitrogen Magnesium

D)

X Y Z

Magnesium Nitrogen Phosphorus

View Answer
149) Restriction enzyme was discovered by

A)

Alexander Flemming

B)

Waksman

C)

Berg

D)

Smith, Nathans and Arber

View Answer
150) The green colored pigment present in all autotrophs was named chlorophyll by

A)

Pelletier and Caventou

B)

Julius Rober Mayer

C)

Jean Senebier

D)

Malvin Calvin

View Answer
151) Cellulose is made up of

A)

branched chain of glucose molecules linked by \[\alpha \] -1, 4 glycosidic bond in straight chain and \[\alpha \] - 1, 6 glycosidic bond at the site of branching

B)

branched chain of glucose molecules linked by \[\alpha \] - 1, 6 glycosidic bond straight chain and \[\alpha \] - 1, 4 glycosidic box at the site of branching

C)

unbranched chain of glucose molecules linked by\[\beta \]- 1, 4 glycosidic bond

D)

unbranched chain of glucose molecules linked by\[\alpha \]- 1, 6 glycosidic bond

View Answer
152) Cell Adhesion and cell recognition occur due to biochemicals of cell membrane named

A)

lipids

B)

proteins

C)

glycoproteins and glycolipids

D)

proteins and lipids

View Answer
153) Sol-gel theory, for the first time given by

A)

Pantin

B)

Hyman

C)

Best

D)

Mast

View Answer
154) The concept of genus was proposed by

A)

John Ray

B)

Tournefort

C)

Hooker

D)

Bessey

View Answer
155) In Hydra, the beaded processes of sensory cells make synapsis with the process of

A)

nerve cell

B)

epithelio muscular cell

C)

Both (a) and (b)

D)

None of the above

View Answer
156) Sperms in Ascaris are characterized by one unusual feature

A)

long form

B)

lack of flagellum

C)

motility

D)

ability to induce meiosis in egg

View Answer
157) Ascaris has

A)

paired testes and single ovary

B)

paired ovary and single testes

C)

single ovary and single testes

D)

paired ovary and paired testes

View Answer
158) Which of the following is not a characteristic of snakes?

A)

Eggs

B)

Sternum

C)

Scales

D)

Kidney

View Answer
159) Dudhwa national park is in

A)

Orissa

B)

Gujarat

C)

Uttar Pradesh

D)

Himachal Pradesh

View Answer
160) Leydig cells are concerned with

A)

ovary

B)

seminiferous tubules

C)

liver

D)

pituitary

View Answer
161) Scientific name of starfish is

A)

Echinus

B)

Limulus

C)

Echidna

D)

Asterias

View Answer
162) Pulse can be detected from the artery of

A)

wrist

B)

thigh

C)

diaphragm

D)

humerus

View Answer
163) Cranium is the protective covering of

A)

lungs

B)

eye balls

C)

brain

D)

uterus

View Answer
164) Immediate energy source for muscle contraction is

A)

ATP

B)

ADP

C)

glucose

D)

lactic acid

View Answer
165) Genetic engineering is employed to produce vaccines for

A)

herpes virus

B)

hepatitis - B

C)

Both (a) and (b)

D)

None of the above

View Answer
166) Triazines are derived from

A)

uric acid

B)

urea

C)

ammonia

D)

None of these

View Answer
167) Kappa particles are

A)

protozoan parasites whose multiplication is controlled by host metabolites

B)

viral particles capable of self perpetuation in host cytoplasm

C)

endosymbiont representing Gram negative bacterial species

D)

submicroscopic granules formed by the folding of naked DNA

View Answer
168) According to Neo- Darwinism new species develops through

A)

mutation

B)

hybridization

C)

continuous variation with natural selection

D)

mutation with natural selection

View Answer
169) Amniocentesis is

A)

process to know about brain disease

B)

process to determine disease of heart

C)

process to determine hereditary disease in the embryo

D)

process to determine amount of amino adds

View Answer
170) Plant viruses contain

A)

DNA

B)

RNA

C)

Both (a) and (b)

D)

Plasmids

View Answer
171) The spindle microtubules are polar, their orientation is

A)

+ and - both ends towards the equator

B)

+ end towards the poles

C)

- ends towards the poles

D)

+ and - both ends towards the poles

View Answer
172) Go phase is

A)

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

B)

phase after M phase, in which daughter cell enters new cell cycle

C)

arrest of cell cycle on the onset of differentiation

D)

All of the above

View Answer
173) Mouth develops first in the embryo and anus is formed later. It is called

A)

protostomatic

B)

deuterostomatic

C)

Both (a) and (b)

D)

None of the above

View Answer
174) In Leucosolenia, gametes develop from

A)

amoebocytes

B)

archaeocytes

C)

choanocytes

D)

myocytes

View Answer
175) The largest of cnidoblast is

A)

penetrant

B)

streptoline

C)

volvent

D)

small glutiant

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

A)

Scales and claws

B)

Syrinx and uropygial gland

C)

Claws and uropygial gland

D)

Syrinx and scales

View Answer
177) Which of the following generally modifies into glands?

A)

Muscular tissue

B)

Nervous tissue

C)

Connective tissue

D)

Epithelial tissue

View Answer
178) Myelinated nerve fibres are white colored because of

A)

chromidial substance

B)

neurolemma

C)

myelin

D)

None of the above

View Answer
179) Least peristalsis occurs in

A)

rectum

B)

stomach

C)

oesophagus

D)

duodenum

View Answer
180) Non- participation of male pronucleus in fertilization is

A)

androgenesis

B)

polyandry

C)

gynogenesis

D)

polygyny

View Answer
181) When the balloon of nitre -aortic balloon pump inflates more blood is carried to

A)

coronary artery

B)

pulmonary trunk

C)

hepatic portal

D)

pulmonary arteries

View Answer
182) Salamander can regenerate

A)

tail

B)

limbs

C)

external gills

D)

All of these

View Answer
183) In Omithine cycle, the enzyme arginase breaks down arginine into

A)

citrulline and ammonia

B)

citrulline and urea

C)

Omithine and ammonia

D)

Omithine and urea

View Answer
184) Parkinsonism, which is characterized by tremors and progressive rigidity of limbs is caused by degeneration        of brain, neurons and          neuro transmitters called

A)

dopamine

B)

adrenaline

C)

acetyl choline

D)

aspartic acid

View Answer
185) Yellow spot of eye is known for

A)

complex blood vascular system

B)

high pigmentation

C)

preponderance of cones

D)

possession of abundant rods

View Answer
186) Latissimus dorsi muscles are

A)

muscles of fore arm

B)

muscles of lower jaw

C)

muscles of chest

D)

muscles of shoulder

View Answer
187) Zygomatic process in mammals arises from

A)

mandible

B)

maxilla

C)

premaxilla

D)

squamosal

View Answer
188) Eunuchoidism is due to the faliure of production of

A)

FSH

B)

testosterone

C)

ICSH

D)

estrogen

View Answer
189) Which of the following stimulates production of gastric juice?

A)

Enterogasteron

B)

Secretin

C)

Gastrin

D)

Enterokinase

View Answer
190) First milk produced after child birth is called

A)

sebum

B)

cerumen

C)

true milk

D)

colostrums

View Answer
191) Embryologist can draw the fate maps of fur-I organs of embryo in

A)

blastula

B)

morula

C)

early gastrula

D)

late gastrula

View Answer
192) Blastopore is found in

A)

blastula and is opening of archenteror

B)

blastula and is opening of blastocoel

C)

gastrula and is opening of archenteroc

D)

gastrula and is opening of blastocoels

View Answer
193) Alleles of different genes that on the same chromosome may occasionally be separated by a phenomenon                 known as

A)

pleiotropy

B)

epistatis

C)

continuous variation

D)

crossing over

View Answer
194) Gene with multiple effect is

A)

supplementary

B)

pleiotropic

C)

epistatic

D)

codominant

View Answer
195) Name of first one toed horse is

A)

Mesohippus

B)

Eohippus

C)

Pliohippus

D)

None of these

View Answer
196) For evolution most important requirement is

A)

continuity of germplasm

B)

variation

C)

adaptation of acquired traits

D)

natural selection

View Answer
197) The part of Papaver soniniferum, from which opium is obtained

A)

seed

B)

stem and leaf

C)

unripe fruits

D)

mature fruits

View Answer
198) Transgenic crops are modified through genetic engineering to develop natural resistance to insect pests.                 Which one is a transgenic plant?

A)

Tomato and wheat

B)

Tomato and rice

C)

Tobacco and tomato

D)

Maize and sugarcane

View Answer
199) Foetal abnormalities are caused by

A)

LSD

B)

opium

C)

nicotine

D)

alcohol

View Answer
200) Hybridoma is a bio-technique which involves fusion of

A)

B-cells and T-cells

B)

T-cells and spleen cells

C)

spleen cells and myeloma

D)

myeloma cell and B-cells

View Answer

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AMU Solved Paper-2003 Total Questions - 200