Solved papers for Uttarakhand PMT Uttarakhand PMT Solved Paper-2009

Uttarakhand PMT Solved Paper-2009 Total Questions - 200

1) In which process the pV indicator diagram is a straight line parallel to volume axis

A)

isothermal

B)

isobaric

C)

irreversible

D)

adiabatic

View Answer
2) A body executes simple harmonic motion under the action of force F1 with a time period \[\frac{3}{5}s.\] If the force is changed to\[{{F}_{2}}\]it executes simple harmonic motion with time period \[\frac{3}{4}s.\] If both forces \[{{F}_{1}}\]and\[{{F}_{2}}\]act simultaneously in the same direction on the body, its time period will

A)

\[\frac{12}{25}s.\]

B)

\[\frac{24}{25}s.\]

C)

\[\frac{24}{25}s.\]

D)

\[\frac{15}{12}s.\]

View Answer
3) A diatomic gas is heated at constant pressure. What fraction of the heat energy is used to increase the internal energy?

A)

\[\frac{3}{5}\]

B)

\[\frac{3}{7}\]

C)

\[\frac{5}{7}\]

D)

\[\frac{5}{9}\]

View Answer
4) In interference pattern, the energy is

A)

created at the maximum

B)

destroyed at the minimum

C)

conserved but redistributed

D)

All of the above

View Answer
5) A red flower kept in green light will appear

A)

red

B)

yellow

C)

black

D)

white

View Answer
6) band playing music at a frequency\[f\] is moving towards a wall at a speed \[{{v}_{b.}}\] A motorist is allowing the band with a speed \[{{v}_{m.}}\] If \[v\] be the R speed of the sound, the expression for beat frequency heard by motorist is

A)

\[\frac{v+{{v}_{m}}}{v+{{v}_{b}}}f\]

B)

\[\frac{v+{{v}_{m}}}{v-{{v}_{b}}}f\]

C)

\[\frac{v+{{v}_{m}}(v+{{v}_{m}})}{{{v}^{2}}-{{v}_{b}}}f\]

D)

\[\frac{2{{v}_{m}}(v+{{v}_{b}})}{{{v}^{2}}-{{v}_{m}}}f\]

View Answer
7) An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination will be

A)

+ 1.5 D

B)

\[-1.5\text{ }D\]

C)

+ 6.67D

D)

\[-6.67D\]

View Answer
8) When light wave suffers reflection at the interface between air and glass, the change of phase of reflected wave is equal to

A)

Zero

B)

\[\pi /2\]

C)

\[\pi \]

D)

\[2\pi \]

View Answer
9) A lens behaves as a converging lens in air and diverging lens in water. The refractive index of the material of the lens is

A)

equal to that of water

B)

less than that of water

C)

greater than that of water

D)

Nothing can be predicted

View Answer
10)  The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

A)

540 nm

B)

400 nm

C)

310 nm

D)

220 nm

View Answer
11) The electron emitted in beta radiation originates from

A)

inner orbits of atoms

B)

free electron existing in nuclei

C)

dcay of neutron in the nucleus

D)

photon escaping from the nucleus

View Answer
12) If elements with principal quantum number \[n\] > 4 were not allowed in nature, then the number of possible elements would be

A)

32

B)

60

C)

18

D)

4

View Answer
13) The magnifying power of telescope is high if

A)

both objective and eye-piece have short focal length

B)

both objective and eye-piece have long focal length

C)

the objective has a long focal length and the eye-piece has a short focal length

D)

the objective has a short focal length and the eye piece has a long focal length

View Answer
14) What is the current through an ideal \[pn\]-junction diode shown in figure below?

A)

Zero

B)

10mA

C)

20mA

D)

50mA

View Answer
15) The output form of a full wave rectifier is

A)

an AC voltage

B)

a DC voltage

C)

Zero

D)

a pulsating unidirectional voltage

View Answer
16) Suitable impurities are added to a semiconductor depending on its use. This is done to

A)

increase its life

B)

enable it to withstand high voltage

C)

increase its electrical conductivity

D)

increase its electrical resistivity

View Answer
17) Absorption of X-rays is maximum in which of the following material sheets of same thickness

A)

Cu

B)

Au

C)

Be

D)

Pb

View Answer
18) Lenzs law is a consequence of the law of conservation of

A)

charge

B)

mass

C)

momentum

D)

energy

View Answer
19) A magnetic needle is kept in a non-uniform magnetic field. It experience

A)

a force only but not a torque

B)

a force and torque both

C)

a torque only but not a force

D)

neither a torque nor a force

View Answer
20) The magnitude of magnetic induction for a current carrying toroid of uniform cross-section is

A)

uniform over the whole cross-section

B)

maximum on the outer edge

C)

maximum on the inner edge

D)

maximum at the centre of cross-section

View Answer
21) Isogonic lines are those for which

A)

declination is the same at all places on the line

B)

angle of dip is the same at the place on the line

C)

the value of horizontal component of earths magnetic field is the same

D)

All of the above

View Answer
22) An electric current passes through a long straight wire. At a distance 5 cm from the wire- the magnetic field is B. The field at 20 cm froe the wire would be

A)

25

B)

B/4

C)

B/2

D)

B

View Answer
23) An ammeter and a voltmeter of resistance R are connected in series to an electric cell of negligible internal resistance. Their readings are A and V respectively. If another resistance P is connected in parallel with the voltmeter, then

A)

both A and V will increase

B)

both A and V will decrease

C)

A will decrease and V will increase

D)

A will increase and V will decrease

View Answer
24) The core of transformer is laminated to reduce the effect of

A)

copper losses

B)

flux leakage

C)

hysteresis loss

D)

eddy current

View Answer
25) The average power dissipation in pure inductance is

A)

\[\frac{1}{2}L{{I}^{2}}\]

B)

\[2L{{I}^{2}}\]

C)

\[\frac{1}{4}L{{I}^{2}}\]

D)

\[\text{Zero}\]

View Answer
26) The charge given to any conductor resides on its outer surface, because

A)

the free charge tends to be in its minimum potential energy state

B)

the free charge tends to be in its minimum kinetic energy state

C)

the free charge tends to be in its maximum potential energy state

D)

the free charge tends to be in its maximum kinetic energy state

View Answer
27) \[n\]identical mercury droplets charged to the same potential \[V\] coalesce to form a single bigger drop. The potential of new drop will be

A)

\[\frac{V}{n}\]

B)

\[nV\]

C)

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

D)

\[{{n}^{2/3}}V\]

View Answer
28) For protecting sensitive equipment from external magnetic field, it should be

A)

wrapped with insulation around it when passing current through it

B)

placed inside an iron can

C)

surrounded with Cu sheet

D)

placed inside aluminium can

View Answer
29) The potential difference across the terminals of a battery is SO V when 11A current is drawn and 60 V when 1 A current is drawn. The emf and the internal resistance of the battery are

A)

62 V, 2 \[\Omega \]

B)

63V, 1 \[\Omega \].

C)

61V, 1 \[\Omega \]

D)

64V, 2 \[\Omega \]

View Answer
30) Four resistances 10\[\Omega \] 5 \[\Omega \] 7 \[\Omega \] and 3 \[\Omega \] are connected so that they form the sides of a rectangle AB, BC, CD, and DA respectively. Another resistance of 10 \[\Omega \] is connected across the diagonal AC. The equivalent resistance between A and B is

A)

2\[\Omega \]

B)

5\[\Omega \]

C)

7 a\[\Omega \]

D)

10\[\Omega \]

View Answer
31) The potential energy of a charged parallel plate capacitor is \[{{U}_{0.}}\] If a slab of dielectric constant is inserted between the places, then the new potential energy will be

A)

\[\frac{{{U}_{0}}}{K}\]

B)

\[{{U}_{0}}{{K}^{2}}\]

C)

\[\frac{{{U}_{0}}}{{{K}^{2}}}\]

D)

\[U_{0}^{2}\]

View Answer
32) Two similar hearer coils separately take 10 min to boil a certain amount of water. If both coils are connected in series, rime taken to boil the same amount of water will be

A)

15 min

B)

20 min

C)

7-5 min

D)

25 min

View Answer
33) Same current is being passed through a copper voltameter and a silver voltameter. The rate of increase in weights of the cathode of the two voltameters will be proportional to

A)

atomic masses

B)

atomic number

C)

relative densities

D)

None of the above

View Answer
34) Two equal and opposite charge (+ q and\[-q\]) are situated at \[x\] distance from each other, the    value of potential at very far point will depend upon

A)

only on \[q\]

B)

only on \[x\]

C)

on \[qx\]

D)

on\[\frac{q}{x}\]

View Answer
35) In a potentiometer of one metre length, an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3 V battery is balanced at 45 cm length. Then the emf of the unknown voltage source is

A)

3 V

B)

2.25 V

C)

4 V

D)

4.5 V

View Answer
36) A car travelling on a straight path moves with uniform velocity \[{{v}_{1}}\] for some time and with velocity \[{{v}_{2}}\] for next equal time, the average velocity is given by

A)

\[\sqrt{{{v}_{1}}{{v}_{2}}}\]

B)

\[\left( \frac{{{v}_{1}}+{{v}_{2}}}{2} \right)\]

C)

\[\left( \frac{1}{{{v}_{1}}}\frac{1}{{{v}_{2}}} \right)\]

D)

\[2\left( \frac{1}{{{v}_{1}}}\frac{1}{{{v}_{2}}} \right)\]

View Answer
37) A particle of mass m moves in a circular path radius r under the action of a force \[\frac{m{{v}_{2}}}{r}.\] The work done during its morion over half of the circumference of the circular path will be

A)

\[\left( \frac{m{{v}^{2}}}{r} \right)\times 2\pi r\]

B)

\[\left( \frac{m{{v}^{2}}}{r} \right)\times \pi r\]

C)

\[\frac{(2\pi r)}{\left( \frac{m{{v}^{2}}}{r} \right)}\]

D)

zero

View Answer
38) Dimensions of self-inductance are

A)

\[[ML{{T}^{-2}}{{A}^{-3}}]\]

B)

\[[M{{L}^{-2}}{{T}^{-1}}{{A}^{-2}}]\]

C)

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

D)

\[[M{{L}^{2}}{{A}^{-1}}]\]

View Answer
39) A car of mass m is moving with momentum \[p\]. If \[\mu \], be the coefficient of friction between the tyres and the road, what will be stopping distance due to friction alone ?

A)

\[\frac{{{p}^{2}}}{2\mu g}\]

B)

\[\frac{{{p}^{2}}}{2m\mu g}\]

C)

\[\frac{{{p}^{2}}}{2{{m}^{2}}\mu g}\]

D)

\[\frac{{{p}^{2}}}{2mg}\]

View Answer
40) A neutron is moving with velocity u. It collides head on and elastically with an atom of mass number A. If the initial kinetic energy of the neutron be E, how much kinetic energy will be retained by the neutron after collision?

A)

\[{{\left( \frac{A}{A+1} \right)}^{2}}E\]

B)

\[\frac{A}{{{(A+1)}^{2}}}E\]

C)

\[{{\left( \frac{A-1}{A+1} \right)}^{2}}E\]

D)

\[\frac{A-1}{{{(A+1)}^{2}}}E\]

View Answer
41) The pH value of\[1\times {{10}^{-4}}M\text{ }NaOH\]solution is

A)

4

B)

10

C)

6

D)

between 6-7

View Answer
42) The\[C-H\]bond distance is the longest in

A)

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

B)

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

C)

\[{{C}_{2}}{{H}_{4}}B{{r}_{2}}\]

D)

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

View Answer
43) Which represents the correct order of first ionisation potential of third period elements?

A)

\[Na>Mg>Al>Si\]

B)

\[Na<Mg<Al<Si\]

C)

\[Na<Si<Al<Mg\]

D)

\[Na<Al<Mg<Si\]

View Answer
44) By which of the following processes, pure nitrogen gas is prepared?

A)

\[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\xrightarrow[{}]{\Delta }\]

B)

\[N{{H}_{4}}Cl+NaN{{O}_{2}}\xrightarrow[{}]{\Delta }\]

C)

\[N{{H}_{3}}+NaN{{O}_{2}}\xrightarrow[{}]{\Delta }\]

D)

\[{{N}_{2}}O+Cu\xrightarrow[{}]{\Delta }\]

View Answer
45) In the following reaction, \[{{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}COOH\xrightarrow[-{{H}_{2}}O]{Conc.{{H}_{2}}S{{O}_{4}}}\] \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\] \[{{C}_{2}}{{H}_{5}}OH\]actsas

A)

electrophile

B)

nucleophile

C)

dehydrating agent

D)

All of the above

View Answer
46) Which of the following orbital diagram violates Faults exclusion principle?

A)

B)

C)

D)

View Answer
47) The geometry of sulphate ion is

A)

square planar

B)

tetrahedral

C)

square pyramidal

D)

octahedral

View Answer
48) The difference between heat capacity at constant pressure and heat capacity at constant volunie for the combustion of carbon monoxide at\[27{}^\circ C\] will be

A)

\[-124.71\text{ }kJ\]

B)

\[-1.247\text{ }J\]

C)

\[-1.247\text{ }kJ\]

D)

\[-124.71\text{ }J\]

View Answer
49) IUPAC name of the given compound is \[{{H}_{3}}C\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}\,=\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{C}}\,COOH\]

A)

2-methylbut-2-enoic acid

B)

3-methylbut-2-enoic acid

C)

3-methylbut-3-enoic acid

D)

2-methylbut-3-enoic acid

View Answer
50) Which of the following is an aromatic compound?

A)

B)

C)

D)

View Answer
51) Thermodynamically, most stable form of phosphorus is

A)

red

B)

black

C)

white

D)

yellow

View Answer
52) The substance with the highest calorific value is

A)

milk

B)

rice

C)

ghee

D)

egg

View Answer
53) Gamma rays are

A)

high energy electrons

B)

low energy electrons

C)

high energy electro-magnetic waves

D)

high energy positrons

View Answer
54) What volume of\[C{{O}_{2}}\]will be liberated at NTP if 12 g of carbon is burnt in excess of oxygen?

A)

11.2 L

B)

22.4 L

C)

2.24 L

D)

1.12 L

View Answer
55) Which of the following is man-made element?

A)

Ra

B)

\[U\]

C)

\[Np\]

D)

\[C\]

View Answer
56) Four different colloids have the following Gold number. Which one has its most effective action?

A)

10

B)

30

C)

20

D)

40

View Answer
57) The number of unpaired electrons in ferrous ion is

A)

3

B)

2

C)

4

D)

5

View Answer
58) Ascorbic acid is the chemical name of

A)

vitamin\[{{B}_{6}}\]

B)

vitamin A

C)

vitamin C

D)

vitamin D

View Answer
59) Which amine of the following will not answer carbylamine reaction?

A)

Ethyl amine

B)

Methyl amine

C)

Dimethyl amine

D)

Phenyl amine

View Answer
60) For a reaction, the dimensions of rate constant are same as that of rate, hence order of reaction is

A)

0

B)

1

C)

2

D)

3

View Answer
61) The concentration (in mol/L) of the solution having osmotic pressure 0.0821 atm at 300 K will be

A)

0.33

B)

0.066

C)

\[0.3\times {{10}^{-2}}\]

D)

3

View Answer
62) Given, \[P{{b}^{2+}}/Pb=-0.126\text{ }V;\] \[Z{{n}^{2+}}/Zn=-0.763\text{ }V\]Find the emf of the Mowing cell\[Zn/Z{{n}^{2+}}(0.1M)||P{{b}^{2+}}(1M)|Pb\].

A)

\[-0.637\]

B)

\[+0.637\]

C)

\[>0.637\]

D)

\[+0.889\]

View Answer
63) Which is the most abundant metal in the earths crust?

A)

\[Fe\]

B)

\[Al\]

C)

\[Ca\]

D)

\[Na\]

View Answer
64) A hydrocarbon has carbon and hydrogen. Its molecular weight is 28. Its possible formula would be

A)

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

B)

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

C)

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

D)

\[{{C}_{4}}{{H}_{8}}\]

View Answer
65) Which is an example of thermosetting polymer?

A)

Polythene

B)

PVC

C)

Neoprene

D)

Bakelite

View Answer
66) The first Noble Prize in chemistry was given to

A)

J.H. vant Hoff

B)

Cannizaro

C)

Mendeleef

D)

Moseley

View Answer
67) Strongest reducing agent is

A)

K

B)

\[Mg\]

C)

\[Al\]

D)

\[Ba\]

View Answer
68) The base found only in the nucleotides of RNA, is

A)

adenine

B)

uracil

C)

guanine

D)

cytosine

View Answer
69) Which of the following compounds does not give a precipitate with excess of\[NaOH\]?

A)

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

B)

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

C)

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

D)

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

View Answer
70) Among the following, the correct statement is

A)

aniline is a weaker base than ammonia

B)

in water, solubility of\[C{{H}_{3}}OH>{{C}_{2}}{{H}_{5}}OH>{{C}_{6}}{{H}_{5}}OH\]

C)

b.p. of alkylhalide is greater than its corresponding alkane

D)

All of the given statements are correct

View Answer
71) Three products are obtained by the ozonolysis of penta-1, 3-diene. Out of these if two products are formaldehyde and acetaldehyde, the name of the third one is

A)

formaldehyde

B)

ethanal

C)

glyoxal

D)

propanaldehyde

View Answer
72) \[C{{H}_{2}}=CHC{{H}_{2}}CH=C{{H}_{2}}\]represents a/an

A)

conjugated system

B)

cumulative system

C)

isolated system

D)

All of the above

View Answer
73) In the presence of a catalyst, activation energy of a reaction is lowered by 2 kcal at\[27{}^\circ C\]. Hence, rate will be

A)

20 times

B)

28 times

C)

14 times

D)

remain the same

View Answer
74) The number of metamers of the compound with molecular formula\[{{C}_{5}}{{H}_{10}}O\]is

A)

1

B)

3

C)

8

D)

6

View Answer
75) The compound, with which ethanal does not react, is

A)

\[HCl\]

B)

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

C)

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

D)

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

View Answer
76) The incorrect order with respect to the acidic strength is

A)

formic acid > acetic acid > propionic acid

B)

cyclohexanol < phenol < benzoic acid

C)

benzamide < aniline < cyclohexylamine

D)

\[FC{{H}_{2}}COOH>ClC{{H}_{2}}COOH>BrC{{H}_{2}}COOOH\]

View Answer
77) Here, the compound\[X\]can be

A)

acetic acid

B)

formaldehyde

C)

formic acid

D)

propionic acid

View Answer
78) \[HCl\]molecule contains

A)

ionic bond

B)

covalent bond

C)

hydrogen bond

D)

coordinate bond

View Answer
79) Transition metals show paramagnetic behaviour. This is because of their

A)

high lattice energy

B)

variable oxidation state

C)

characteristic configuration

D)

unpaired electrons

View Answer
80) Which reaction is not affected by change in pressure?

A)

\[{{H}_{2}}+{{I}_{2}}\rightleftharpoons 2HI\]

B)

\[2C+{{O}_{2}}\rightleftharpoons 2CO\]

C)

\[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\]

D)

\[PC{{l}_{5}}\rightleftharpoons PC{{l}_{3}}+C{{l}_{2}}\]

View Answer
81) If the solubility of calcium fluoride in pure water is x mol/L, its solubility product is

A)

\[\sqrt{2}x\]

B)

\[2{{x}^{2}}\]

C)

\[4{{x}^{3}}\]

D)

\[{{x}^{2}}\]

View Answer
82) The molarity of a solution containing 5.0 g of \[NaOH\]in 250 mL solution is

A)

0.1

B)

0.5

C)

1.0

D)

2.0

View Answer
83) The following reaction is called Fried el-Crafts reaction. In this reaction X is

A)

\[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-Cl\]

B)

\[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-R\]

C)

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

D)

\[R-O-R\]

View Answer
84) Picric acid is

A)

2, 4, 6-tribromophenol

B)

2, 4, 6-trinitrotoluene

C)

2, 4, 6-trinitrophenol

D)

None of the above

View Answer
85) Gravity separation process is used for the concentration of

A)

calamine

B)

haematite

C)

chalcopyrite

D)

bauxite

View Answer
86) Ammonium ion is

A)

a conjugate acid

B)

a conjugate base

C)

neither an acid nor a base

D)

both an acid and a base

View Answer
87) The equivalent weight of\[MnS{{O}_{4}}\]is half of its molecular weight when it is converted to

A)

\[M{{n}_{2}}{{O}_{3}}\]

B)

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

C)

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

D)

\[MnO_{4}^{2-}\]

View Answer
88) The reaction by which benzaldehyde is converted in benzyl alcohol, is

A)

Fittig reaction

B)

Cannizaro reaction

C)

Wurtz reaction

D)

aldol condensation

View Answer
89) By the ideal gas law, the pressure of 0.60 mole\[N{{H}_{3}}\]gas in a 3.00 L vessel at\[25{}^\circ C\]is

A)

48.9 atm

B)

4.89 atm

C)

0.489 atm

D)

489 atm

View Answer
90) Brown ring in the test of nitrate ion is obtained due to the formation of

A)

\[[Fe{{({{H}_{2}}O)}_{5}}NO]S{{O}_{4}}\]

B)

\[[Fe{{(S{{O}_{4}})}_{2}}NO]{{H}_{2}}O\]

C)

\[F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.NO\]

D)

None of the above

View Answer
91) For a reaction\[2S{{O}_{2}}(s)+{{O}_{2}}(g)\rightleftharpoons 2S{{O}_{3}}(g);\] \[\Delta H=-188.3\text{ }kJ.\] The number of moles of\[S{{O}_{3}}\]formed is increased if

A)

temperature is increased at constant volume

B)

inert gas is added to the mixture

C)

\[{{O}_{2}}\]is removed from the mixture

D)

volume of the reaction flask is decreased

View Answer
92) For a first order reaction\[A\xrightarrow[{}]{{}}\]Products, the half-life is 100 s. The rate constant of the reaction is

A)

\[6.9\times {{10}^{-2}}{{s}^{-1}}\]

B)

\[6.93\times {{10}^{-4}}{{s}^{-1}}\]

C)

\[6.93\times {{10}^{-3}}{{s}^{-1}}\]

D)

\[6.93\times {{10}^{-1}}{{s}^{-1}}\]

View Answer
93) The rate of a gaseous reaction triples when temperature is increased by\[10{}^\circ C\]from\[25{}^\circ C\]. The energy of activation of the reaction (in kJ \[mo{{l}^{-1}}\]) will be

A)

40

B)

70

C)

83.8

D)

200

View Answer
94) The substance which does not show sharp melting point is

A)

\[KCl\]

B)

glass

C)

ice

D)

diamond

View Answer
95) The total number of Bravais lattice in a crystal is

A)

7

B)

14

C)

230

D)

32

View Answer
96) Two moles of an deal gas expand spontaneously into vacuum. The work done is

A)

2J

B)

4J

C)

Zero

D)

Infinity

View Answer
97) The heat change at constant volume\[({{Q}_{V}})\]is equal to

A)

\[\Delta E\]

B)

\[\Delta H\]

C)

\[RT\]

D)

\[\Delta G\]

View Answer
98) For a gaseous reaction at 300 K. \[\Delta H-\Delta E=-4.98\text{ }kJ,\]assuming that \[R=8.3\,J{{K}^{-1}}mo{{l}^{-1}},\Delta n(g)\]is

A)

1

B)

2

C)

\[-2\]

D)

0

View Answer
99) The pH of a solution is 4. Its\[[{{H}^{+}}]\]is

A)

4M

B)

\[{{10}^{4}}M\]

C)

\[{{10}^{-4}}M\]

D)

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

View Answer
100) The bonds present in\[{{N}_{2}}{{O}_{5}}\]are

A)

only convalent

B)

only ionic

C)

covalent and coordinate

D)

covalent and ionic

View Answer
101) Who coined the term gene?

A)

Johansen

B)

Watson

C)

Morgan

D)

Williamson

View Answer
102) Protein coat of a virus enclosing nucleic acid is called

A)

plasmid

B)

capsid

C)

vector

D)

genome

View Answer
103) Highest number of antibiotics are produced by

A)

Bacillus

B)

Penicillium

C)

Streptomyces

D)

Cephalosporium

View Answer
104) Which of the following is stained using carmine?

A)

Bacteria

B)

Diatoms

C)

Chromosomes

D)

Viruses

View Answer
105) A mature pollen grain of Pinus has

A)

2 cells

B)

3 cells

C)

4 cells

D)

5 cells

View Answer
106) Polyploidy can be induced by the application of

A)

auxin

B)

kinetin

C)

colchicine

D)

ethylene

View Answer
107) Quantasomes are present in

A)

chloroplast

B)

mitochondria

C)

Golgi body

D)

lysosome

View Answer
108) In mitochondria, enzyme cytochrome oxidase is present in

A)

outer membrane

B)

perimitochondrial space

C)

inner membrane

D)

matrix

View Answer
109) Which of the following bio-engineered bacteria is utilized for cleaning of marine oil slicks ?

A)

Escherichia coli

B)

Pseudomonas syringae

C)

Pseudomonas putida

D)

Rhizoctonia solani

View Answer
110) Green potatoes are toxic due to

A)

phytoalexins

B)

solanin

C)

triazine

D)

hormones

View Answer
111) Cells obtained from cancerous tumours are known as

A)

hyrbridomas

B)

myelomas

C)

lymphocytes

D)

monoclonal cells

View Answer
112) The plant of Triticum aestivum is

A)

haploid

B)

diploid

C)

tetraploid

D)

hexaploid

View Answer
113) Which of the following is a total root parasite?

A)

Cuscuta

B)

Rafflesia

C)

Santalum

D)

Monotrapa

View Answer
114) Which of the following tissues consist of living cells?

A)

Vessels

B)

Tracheids

C)

Companion cell

D)

Sclerenchyma

View Answer
115) Which is a useful product of epidermal origin?

A)

Saffron

B)

Cotton fibres

C)

Clove

D)

Jute

View Answer
116) Fern spores are usually

A)

haploid

B)

diploid

C)

triploid

D)

tetraploid

View Answer
117) When pollen tube enters through micropyle, the process is called

A)

porogamy

B)

chalazogamy

C)

mesogamy

D)

apogamy

View Answer
118) Outer wall of pollen grain is made up of

A)

cellulose

B)

sporopollenin

C)

pectocellulose

D)

lignin

View Answer
119) Nucleotides are formed by

A)

purine, sugar and phosphate

B)

purine, pyrimidine and phosphate

C)

purine, pyrimidine, sugar and phosphate

D)

pyrimidine, sugar and phosphate

View Answer
120) DNA replication occurs in

A)

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

B)

S-phase

C)

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

D)

M-phase

View Answer
121) Which of the following plant cells is not surrounded by a cell wall?

A)

Root hair cell

B)

Stem hair cell

C)

Gamete cell

D)

Bacterial cell

View Answer
122) Which of the following cell organelles stores hydrolytic enzymes?

A)

Centriole

B)

Lysosome

C)

Chromoplast

D)

Chloroplast

View Answer
123) A monocarpic plant is one, which

A)

has only one carpel

B)

flowers once in a life-time

C)

produces only one seed

D)

produces only one fruit

View Answer
124) AIDS virus contains

A)

RNA with protein

B)

DNA with protein

C)

DNA without protein

D)

DNA only

View Answer
125) Calyptra develops from

A)

venter wall of archegonium

B)

outgrowth of gametophyte

C)

neck wall of archegonium

D)

paraphysis of the archegonial branch

View Answer
126) Protonema is the stage in the life-cycle of

A)

Cycas

B)

Funaria

C)

Selaginella

D)

Mucor

View Answer
127) A ferm differs from a moss in having

A)

swimming archegonia

B)

swimming antherozoids

C)

independent gametophytes

D)

independent sporophytes

View Answer
128) Female cone of Pinus is a

A)

modified needles

B)

modified long shoot

C)

modified dwarf shoot

D)

modified scale

View Answer
129) Development of an embryo without fertilization is called as

A)

apomixis

B)

polyembryony

C)

parthenocarpy

D)

parthenogenesis

View Answer
130) Which of the following floral parts forms pericarp after fertilization?

A)

Nucellus

B)

Outer integument

C)

Ovary wall

D)

Inner integument

View Answer
131) Prothallus of the fem produces

A)

spores

B)

gametes

C)

Both [a] and [b]

D)

cones

View Answer
132) Which of the following cell organelles s associated with photorespiration?

A)

Mitochondria

B)

Peroxisome

C)

Chloroplast

D)

All of these

View Answer
133) The thickness of unit membrane is

A)

\[\text{20}\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[35\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[55\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[75\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
134) Chromosomes are arranged along the equator during

A)

prophase

B)

metaphase

C)

anaphase

D)

telophase

View Answer
135) Width of the DNA molecule is

A)

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

B)

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

C)

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

D)

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

View Answer
136) In gymnosperms, the ovule is naked because

A)

ovary wall is absent

B)

integuments are absent

C)

perianth is absent

D)

nucellus is absent

View Answer
137) In Funaria capsule, dispersal of spores taka place through

A)

peristomial teeth

B)

annulus

C)

calyptras

D)

operculum

View Answer
138) Crossing over occurs during

A)

leptotene

B)

diplotene

C)

pachytene

D)

zygotene

View Answer
139) Genes are made up of

A)

histones

B)

hydrocarbons

C)

polynucleotides

D)

lipoproteins

View Answer
140) The site of photosynthesis in blue-green algae is

A)

chromatophores

B)

mitochondria

C)

chloroplast

D)

root hair

View Answer
141) Viral infection is usually absent in

A)

phloem cells

B)

xylem cells

C)

pith cells

D)

apical meristem

View Answer
142) Clamp connections are found in

A)

Phycomycetes

B)

Ascomycetes

C)

Basidiomycetes

D)

Deuteromycetes

View Answer
143) Which of the following characters is related with telophase ?

A)

Formation of nuclear membrane

B)

Formation of nucleolus

C)

Elongation of chromosome

D)

Formation of two daughter nuclei

View Answer
144) In case of incomplete dominance, what will be the phenotypic ratio of F; generation?

A)

3 : 1

B)

1: 2 : 1

C)

1:1:1:1

D)

2:2

View Answer
145) Which of the following does not contain DNA?

A)

Mitochondria

B)

Chloroplast

C)

Peroxysome

D)

Nucleus

View Answer
146) Genes exhibiting multiple effects are known as

A)

complementary genes

B)

pleiotropic genes

C)

cistrons

D)

pseudogenes

View Answer
147) Who coined the term cistron?

A)

Muller

B)

Benzer

C)

Khorana

D)

Sutton

View Answer
148) Which of the following is responsible for the origin of lysosome?

A)

Chloroplast

B)

Mitochondria

C)

Golgi body

D)

Ribosome

View Answer
149) In Selaginella, trabeculae are the modification of

A)

epidermal cells

B)

cortical cells

C)

endodermal cells

D)

pericycle cells

View Answer
150) Tonoplast is a membrane, which surrounds

A)

ribosome

B)

mitochondria

C)

vacuole

D)

cytoplasm

View Answer
151) Which shows polymorphism?

A)

Physalia

B)

Trypanosoma

C)

Termite

D)

All of these

View Answer
152) Secondary radial symmetry is found in

A)

Cnidaria

B)

Jelly fish

C)

Echinodermata

D)

Hemichordata

View Answer
153) Basic unit of classification is

A)

genus

B)

species

C)

order

D)

class

View Answer
154) Connecting link between Annelida and Mollusca is

A)

Peripatus

B)

Lepidosiren

C)

Neopilina

D)

Protopterus

View Answer
155) Select incorrect pair

A)

Porifera                    - choanocytes

B)

Coelenterata          - nematocysts

C)

Annelida                   - segmentation

D)

Monera                    - eukaryote

View Answer
156) Bilateral symmetry, metameric segmentation, coelom and open circulatory are the features of

A)

Annelida

B)

Arthropoda

C)

Mollusca

D)

Echinodermata

View Answer
157) Ancestor of man who first stood erect was

A)

Australopithecus

B)

Cro-magnon

C)

Java-ape man

D)

Peking man

View Answer
158) Core zone, buffer zone and manipulation zone are found in

A)

national park

B)

sanctuary

C)

tiger reserve

D)

biosphere reserve

View Answer
159) Which insecticide is more hazardous to human health ?

A)

Rotenone

B)

Pyrethrum

C)

DDT

D)

Humulin

View Answer
160) Universal donor is

A)

\[OR{{h}^{+}}\]

B)

\[OR{{h}^{-}}\]

C)

\[AB\text{ }R{{h}^{+}}\]

D)

\[AB\text{ }R{{h}^{-}}\]

View Answer
161) One of these is not concerned wiA wild-life conservation

A)

IVF

B)

IUCN

C)

WWF

D)

IBWL

View Answer
162) Largest tiger population is found in

A)

Sunderban national park

B)

Corbett national park

C)

Ranthambhor national park

D)

Kanha national park

View Answer
163) Genetic material found in Human Immunodeficiency Virus (HIV) is

A)

double stranded RNA

B)

single stranded RNA

C)

double stranded DNA

D)

single stranded DNA

View Answer
164) Gigantism and acromegaly are due to

A)

hypothyroidism

B)

hyperthyroidism

C)

hypopituitarism

D)

hyperpituitarism

View Answer
165) If a child is of O blood group and his father is of B blood group, the genotype of father is

A)

\[{{\text{I}}^{\text{O}}}{{\text{I}}^{\text{O}}}\]

B)

\[{{\text{I}}^{\text{A}}}\,{{\text{I}}^{\text{B}}}\]

C)

\[{{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{B}}}\]

D)

\[{{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{A}}}\]

View Answer
166) Spermatogenesis is under the regulatory in fluence of

A)

ADH

B)

FSH

C)

LH

D)

STH

View Answer
167) Which of the following can be controlled by using biopesticides ?

A)

Insects

B)

Diseases

C)

Weeds

D)

All of these

View Answer
168) Which hormone is secreted in a woman if pregnancy has occurred ?

A)

Estrogen

B)

Progesterone

C)

Luteinizing hormone

D)

Chorionic gonadotropin

View Answer
169) Product of biotechnology is

A)

transgenic crops (GM crops)

B)

humulin

C)

biofertilizer

D)

All of the above

View Answer
170) Phase common in aerobic and anaerobic respiration is

A)

Krebs cycle

B)

glycolysis

C)

glycogenolysis

D)

ETS

View Answer
171) Oxyntic cells secrete

A)

\[\text{HCl}\]

B)

trypsin

C)

\[\text{NaOH}\]

D)

pepsinogen

View Answer
172) Menstruation is due to sudden

A)

reduction of FSH

B)

increase of LH

C)

reduction in estrogen and progesterone

D)

None of the above

View Answer
173) Correctly matched set of phylum, class and example is

A)

Protozoa-Mastigophora-Entamoeba

B)

Mollusca-Bivalvia-Pinctata

C)

Arthropoda-Diplopoda-Scolopendra

D)

Chordata-Cyclostomata-Phrynosoma

View Answer
174) Urea synthesis occurs in

A)

kidney

B)

liver

C)

brain

D)

muscles

View Answer
175) Which is common to kidney and skeleton in mammals?

A)

Cortex

B)

Medulla

C)

Pelvis

D)

Radius

View Answer
176) Which is regarded as urinary bladder of embryo ?

A)

Amnion

B)

Allantois

C)

Chorion

D)

Yolk sac

View Answer
177) Deficiency of vitamin\[{{\text{B}}_{\text{12}}}\]causes

A)

cheilosis

B)

thalassemia

C)

beri-beri

D)

pernicious anaemia

View Answer
178) Blood is a kind of

A)

areolar tissue

B)

connective tissue

C)

fluid connective tissue

D)

reticular connective tissue

View Answer
179) Which of these is used to control human population?

A)

Estrogen + progesterone

B)

lUCDandMTP

C)

Tubectomy and vasectomy

D)

All of these

View Answer
180) Addiction to alcohol causes

A)

cirrhosis

B)

epilepsy

C)

neurosis

D)

psychosis

View Answer
181) The most primitive vertebrates are

A)

Ostracoderms

B)

Cephalochordates

C)

Placederms

D)

Cyclostomes

View Answer
182) Change in the number of body parts is called

A)

continuous variation

B)

discontinuous variation

C)

meristic variation

D)

substantive variation

View Answer
183) Which has an additional X chromosome ?

A)

Turners syndrome

B)

Klinefelters syndrome

C)

Super female

D)

Downs syndrome

View Answer
184) Origin of life occurred in

A)

Precambrian

B)

Coenozoic

C)

Palaeozoic

D)

Mesozoic

View Answer
185) Branch of zoology dealing with the study : fishes is called

A)

Arthrology

B)

Ichthyology

C)

Saurology

D)

Herpetology

View Answer
186) Theory of continuity of germplasm propounded by

A)

Mendel

B)

Lamarck

C)

Weismann

D)

Haeckel

View Answer
187) Who discovered oocysts in the stomach of female Anopheles 7

A)

Ronald Ross

B)

Charles Lavern

C)

Golgi

D)

Lamble

View Answer
188) Epimysium, perimysium and endomysium are found in

A)

nerve

B)

bloodvessel

C)

striated muscle

D)

uterus

View Answer
189) Endothelium is made up of

A)

squamous cells

B)

cuboidal cells

C)

columnar cells

D)

stratified epithelium

View Answer
190) Bipolar neurons occur in

A)

vertebrate embryos

B)

retina of eye

C)

brain and spinal cord

D)

skeletal muscles

View Answer
191) Glissons capsules are found, in which organ of mammals?

A)

Stomach

B)

Kidney

C)

Tesris

D)

Liver

View Answer
192) Production of glucose from amino acids, fatty acids and glycerol is called

A)

glycogenesis

B)

gluconeogenesis

C)

glycogenolysis

D)

glycolysis

View Answer
193) Which is called Hamburger shift?

A)

Hydrogen shift

B)

Bicarbonate shift

C)

Chloride shift

D)

Sodium shift

View Answer
194) Papillary muscles are found in mammalian

A)

auricles

B)

ventricles

C)

pinna

D)

eyes

View Answer
195) Which foramen is paired in mammalian brain?

A)

Foramen of Luschka

B)

Foramen of Magendie

C)

Foramen of Monro

D)

mter-ventricular foramen

View Answer
196) Corpus luteum produces

A)

progesterone

B)

estrogen

C)

luteotropin hormone

D)

luteinizing hormone

View Answer
197) Axis vertebra is identified by

A)

sigmoid notch

B)

deltoid ridge

C)

odontoid process

D)

centrum

View Answer
198) Which is thickened to form organ of Corti ?

A)

Reissners membrane

B)

Basilar membrane

C)

Tectorial membrane

D)

All of the above

View Answer
199) Which stage of silkworm secretes silk ?

A)

Adult

B)

Larva

C)

Cocoon

D)

Pupa

View Answer
200) Real product of apiculture is

A)

honey

B)

bee wax

C)

Both [a] and [b]

D)

None of these

View Answer