Solved papers for Uttarakhand PMT Uttarakhand PMT Solved Paper-2008

Uttarakhand PMT Solved Paper-2008 Total Questions - 200

1) How many seconds are there in a light fermi?

A)

\[{{10}^{-15}}s\]

B)

\[3.0\times {{10}^{8}}s\]

C)

\[3.33\times {{10}^{-24}}s\]

D)

\[3.3\times {{10}^{-7}}s\]

View Answer
2) A machine is delivering constant power to drive a body along a straight line. What is the relation between the distance travelled by the body against time?

A)

\[{{s}^{2}}\propto {{t}^{3}}\]

B)

\[{{s}^{2}}\propto {{t}^{-3}}\]

C)

\[{{s}^{2}}\propto {{t}^{2}}\]

D)

\[s\propto {{t}^{3}}\]

View Answer
3) The square of resultant of two equal forces is three times their product. Angle between the forces is

A)

\[\pi \]

B)

\[\frac{\pi }{2}\]

C)

\[\frac{\pi }{4}\]

D)

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

View Answer
4) An object placed on a ground is in stable equilibrium. If the object is given a slight push then initially the position of centre of gravity

A)

moves nearer to ground

B)

rises higher above the ground

C)

remains as such

D)

may remain at same level

View Answer
5) How much work must be done by a force on 50 kg body in order to accelerate it from rest to 20 m/s in 10 s?

A)

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

B)

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

C)

\[2\times {{10}^{3}}J\]

D)

\[4\times {{10}^{4}}J\]

View Answer
6) Moment of inertia of circular loop of radius R about the axis of rotation parallel to horizontal diameter at a distance R/2 from it is

A)

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

B)

\[\frac{1}{2}M{{R}^{2}}\]MR

C)

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

D)

\[\frac{3}{4}M{{R}^{2}}\]

View Answer
7) What will happen to the weight of the body at the south pole, if the earth stops rotating about its polar axis?

A)

No change

B)

Increases

C)

Decreases but does not become zero

D)

Reduces to zero

View Answer
8) A beam of metal supported at the two ends is loaded at tlie centre. The depression at the centre is proportional to

A)

\[{{Y}^{2}}\]

B)

\[Y\]

C)

\[\frac{1}{Y}\]

D)

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

View Answer
9) A common hydrometer reads specific gravity of liquids. Compared to the 1.6 mark of the stem the mark 1.5 will be

A)

upwards

B)

downwards

C)

in the same place

D)

may be upward or downward depending upon the hydrometer

View Answer
10) A balloon contains\[500\text{ }{{m}^{3}}\]of Heat\[27{}^\circ C\]and 1 atmospheric pressure. The volume of Heat\[-3{}^\circ C\]and 0.5 atmospheric pressure will be

A)

\[700{{m}^{3}}\]

B)

\[900{{m}^{3}}\]

C)

\[1000{{m}^{3}}\]

D)

\[500{{m}^{3}}\]

View Answer
11) Which of the following is different from others?

A)

Wavelength

B)

Velocity

C)

Frequency

D)

Amplitude

View Answer
12) Two pendulums have time periods T and 5T/4. They starts SHM at the same time from the mean position. What will be the phase difference between them after the bigger pendulum completed one oscillation ?

A)

\[45{}^\circ \]

B)

\[90{}^\circ \]

C)

\[60{}^\circ \]

D)

\[30{}^\circ \]

View Answer
13) A balloon is filled with hydrogen. For sound waves, this balloon behaves like

A)

a converging lens

B)

a diverging lens

C)

a concave mirror

D)

None of the above

View Answer
14) Each of the two point charges are doubled and their distance is halved. Force of interaction becomes n times, where n is

A)

4

B)

1

C)

1/16

D)

16

View Answer
15) Two soap bubbles have radii in the ratio of 2:1. What is the ratio of excess pressures inside them?

A)

1: 2

B)

1: 4

C)

2:1

D)

4 : 1

View Answer
16) The phenomenon of Brownian movement may be taken as evidence of

A)

kinetic theory of matter

B)

EMT of radiation

C)

corpuscular theory of light

D)

photoelectric phenomenon

View Answer
17) Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

A)

interference

B)

diffraction

C)

reflection

D)

refraction

View Answer
18) An ice block floats in a liquid whose density is less than water. A part of block is outside the liquid. When whole of ice has melted, the liquid level will

A)

rise

B)

go down

C)

remain same

D)

first rise then go down

View Answer
19) Two bodies of different masses of 2 kg and 4 kg moving with velocities 2 m/s and 10 m/s towards each other due to mutual gravitational attraction. What is the velocity of their centre of mass?

A)

5 m/s

B)

6 m/s

C)

8 m/s

D)

Zero

View Answer
20) Given that the displacement of an oscillating particle is given by\[y=Asin(B~+Ct+D)\]. The dimensional formula for (ABCD) is

A)

\[[{{M}_{0}}{{L}^{-1}}{{T}^{0}}]\]

B)

\[[M{{\,}^{0}}{{L}^{0}}{{T}^{-1}}]\]

C)

\[[{{M}^{0}}{{L}^{-1}}{{T}^{-1}}]\]

D)

\[[{{M}^{0}}{{L}^{0}}{{T}^{0}}]\]

View Answer
21) Two waves having intensities in the ratio of 9:1 produce interference. The ratio of maximum to minimum intensity is equal:

A)

10 : 8

B)

9 : 1

C)

4 :1

D)

2 : 1

View Answer
22) Four wires each of same length, diameter as. materials are connected to each other to form square. If the resistance of each wire is R. then equivalent resistance across the opposite corners is

A)

R

B)

R/2

C)

R/4

D)

None of these

View Answer
23) An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the efficiency be 40% then the resistance of armature is

A)

20

B)

80

C)

120

D)

160

View Answer
24) A capacitor having capacity of 2.0 \[\mu F\] is charged to 200 V and then the plates of the capacitor are connected to a resistance wire The heat produced in joule will be

A)

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

B)

\[4\times {{10}^{-2}}\]

C)

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

D)

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

View Answer
25) A voltmeter of range 2V and resistance 300\[\Omega \] cannot be converted into ammeter of range

A)

1A

B)

1mA

C)

100mA

D)

10mA

View Answer
26) If a magnet is suspended at angle\[30{}^\circ \]to the magnetic meridian, the dip needle makes angle of\[45{}^\circ \]with the horizontal. The real dip is

A)

\[{{\tan }^{-1}}(\sqrt{3/2})\]

B)

\[{{\tan }^{-1}}(\sqrt{3})\]

C)

\[{{\tan }^{-1}}(\sqrt{3/2})\]

D)

\[{{\tan }^{-1}}(2/\sqrt{3})\]

View Answer
27) Which quantity is increased in step-down transformer?

A)

Current

B)

Voltage

C)

Power

D)

Frequency

View Answer
28) The ratio of intensity at the centre of a bright fringe to the intensity at a point distant or one fourth of the distance between two successive bright fringes will be

A)

4

B)

3

C)

2

D)

1

View Answer
29) Which has more luminous efficiency?

A)

A 40 W bulb

B)

A 40 W fluorescent tube

C)

Both have same

D)

Cannot say

View Answer
30) When a ray of light enters from one medium to another, then its velocity in second medium becomes double. The maximum value of angle of incidence, so that total internal reflection may not take place will be

A)

\[60{}^\circ \]

B)

\[180{}^\circ \]

C)

\[90{}^\circ \]

D)

\[30{}^\circ \]

View Answer
31) What should be the velocity of an electron so that its momentum becomes equal to that of a photon of wavelength\[5200\overset{o}{\mathop{\text{A}}}\,\]?

A)

700 m/s

B)

1000 m/s

C)

1400 m/s

D)

2800 m/s

View Answer
32) A radioactive element has half-life period of 600 years. After 3000 years, what amount will remain?

A)

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

B)

\[\frac{1}{16}\]

C)

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

D)

\[\frac{1}{32}\]

View Answer
33) Beyond which frequency, the ionosphere bends any incident electromagnetic radiation but do not reflect it back towards the earth?

A)

50MHz

B)

40MHz

C)

30MHz

D)

20MHz

View Answer
34) In intrinsic semiconductor at room temperature number of electrons and holes are

A)

equal

B)

zero

C)

unequal

D)

infinite

View Answer
35) The unit of thermal conductance is

A)

\[W{{K}^{-1}}\]

B)

\[J{{K}^{-1}}\]

C)

WK

D)

JK

View Answer
36) The value of P so that the vectors \[2\hat{i}-\hat{j}+\hat{k}\hat{,}+2\hat{j}-3\hat{k}\] and \[3\hat{i}+p\hat{j}+5\hat{k}\] are coplanar should be

A)

16

B)

\[-4\]

C)

4

D)

\[-8\]

View Answer
37) A capacitor of capacitance C has charge Q and stored energy is W. If the charge is increased to 2Q, the stored energy will be

A)

\[\frac{W}{4}\]

B)

\[\frac{W}{2}\]

C)

\[2W\]

D)

\[4W\]

View Answer
38) Pure silicon at 300 K has equal electron \[({{n}_{e}})\] and hole \[({{n}_{h}})\] concentration of\[1.5\times {{10}^{16}}{{m}^{-3}}\]. Doping   by   indium   increases   \[{{n}_{h}}\] to \[4.5\times {{10}^{22}}{{m}^{-3}}\] . The \[{{n}_{e}}\] in the doped silicon is

A)

\[9\times {{10}^{5}}\]

B)

\[5\times {{10}^{9}}\]

C)

\[2.25\times {{10}^{11}}\]

D)

\[3\times {{10}^{19}}\]

View Answer
39) A cylindrical conductor is placed near another positively charged conductor. The net charge acquired by the cylindrical conductor will be

A)

positive only

B)

negative only

C)

zero

D)

either positive or negative

View Answer
40) If the unit of force is 1 kilo newton, the length is 1 km and time 100 s, what will be the unit of mass?

A)

1,000kg

B)

1kg

C)

10,000kg

D)

100kg

View Answer
41) Ethyl acetate is obtained when methyl magnesium bromide reacts with

A)

ethyl formate

B)

ethyl chloroformate

C)

acetyl chloride

D)

carbon dioxide

View Answer
42) The most stable hydride is

A)

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

B)

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

C)

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

D)

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

View Answer
43) The ratio of amounts of\[{{H}_{2}}S\]needed to precipitate all the metal ions from 100 mL of 1 M\[AgN{{O}_{3}}\]and 100 mL of 1M\[CuS{{O}_{4}}\]will be

A)

\[1:1\]

B)

\[1:2\]

C)

\[2:1\]

D)

None of these

View Answer
44) If the electronegativity difference between two atoms A and B is 2.0, then the percentage of co-valent character in the molecule is

A)

54%

B)

46%

C)

23%

D)

72%

View Answer
45) Which of the following reaction defines\[\Delta H_{f}^{o}\]?

A)

\[{{C}_{(diamond)}}+{{O}_{2}}(g)\xrightarrow[{}]{{}}C{{O}_{2}}(g)\]

B)

\[\frac{1}{2}{{H}_{2}}(g)+\frac{1}{2}{{F}_{2}}(g)\xrightarrow[{}]{{}}HF(g)\]

C)

\[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow[{}]{{}}2N{{H}_{3}}(g)\]

D)

\[CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow[{}]{{}}C{{O}_{3}}(g)\]

View Answer
46) Formaldehyde polymerizes to form glucose according to the reaction \[6HCHO{{C}_{6}}{{H}_{12}}{{O}_{6}}\] The theoretically computed equilibrium constant for this reaction is found to be\[6\times {{10}^{22}}\]. If 1 M solution of glucose dissociates according to the above equilibrium, the concentration of formaldehyde in the solution will be

A)

\[1.6\times {{10}^{-2}}M\]

B)

\[1.6\times {{10}^{-4}}M\]

C)

\[1.6\times {{10}^{-6}}M\]

D)

\[1.6\times {{10}^{-8}}M\]

View Answer
47) The electronic configuration of a dipositive ion\[{{M}^{2+}}\]is 2, 8, 14 and its mass number is 56. The number of neutrons present is

A)

32

B)

42

C)

30

D)

34

View Answer
48) If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing JV molecules per unit volume is

A)

X/N

B)

NX

C)

2 NX

D)

NX/2

View Answer
49) A hypothetical reaction\[{{A}_{2}}+{{B}_{2}}\to 2AB\]follows the mechanism as given below, \[{{A}_{2}}\rightleftharpoons A+A\] (fast) \[A+{{B}_{2}}\xrightarrow[{}]{{}}AB+B\] (slow) \[A+B\xrightarrow[{}]{{}}AB\] (fast) The order of the overall reaction is

A)

2

B)

1

C)

11

D)

0

View Answer
50) The mass of helium atom of mass number 4 is 4.0026 amu, while that of the neutron and proton are 1.0087 and 1.0078 respectively on the same scale. Hence, the nuclear binding energy per nucleon in the .helium atom is nearly

A)

5MeV

B)

7MeV

C)

10MeV

D)

14MeV

View Answer
51) Which of the following statements is correct? Dielectric constant of\[{{H}_{2}}{{O}_{2}}\]

A)

increases with dilution

B)

decreases with dilution

C)

is unaffected on dilution

D)

None of the above

View Answer
52) For    the    square    planar    complex [M] (where, M= central metal and a, b, c and d are monodentate ligands), the number of possible geometrical isomers are

A)

1

B)

2

C)

3

D)

4

View Answer
53) Potash alum dissolves in water to give a/an

A)

acidic solution of\[{{H}_{2}}S{{O}_{4}}\]

B)

alkaline solution

C)

acidic solution of\[HCl\]

D)

neutral solution

View Answer
54) The discovery of which of the following group of elements gave death blow to the Newlands law of octaves?

A)

Inert gases

B)

Alkaline earths

C)

Rare earths

D)

Actinides

View Answer
55) Vant Hoff factor more than unity indicates that the solute in solution has

A)

dissociated

B)

associated

C)

Both [a] and [b]

D)

cannot say anything

View Answer
56) How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

A)

8

B)

6

C)

4

D)

9

View Answer
57) Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due to

A)

co-agulation of negatively charged blood particles by\[F{{e}^{3+}}\]ions

B)

co-agulation of positively charged blood particles by CF ions

C)

reaction taking place between ferric ions and the haemoglobin forming a complex

D)

common element, iron, in both\[FeC{{l}_{3}}\]and haemoglobin.

View Answer
58) Which one of the following solutions will have highest conductivity?

A)

\[0.1\text{ }M\text{ }C{{H}_{3}}COOH\]

B)

\[0.1\,M\,NaCl\]

C)

\[0.1\,M\,KN{{O}_{3}}\]

D)

\[0.1\,M\,HCl\]

View Answer
59) One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is

A)

iron

B)

nickel

C)

cobalt

D)

tungsten

View Answer
60) If\[N{{a}^{+}}\]is larger than\[M{{g}^{2+}}\]ion an\[{{S}^{2-}}\]ion is larger than\[C{{l}^{-}}\]ion, which of the following will be stable soluble in water?

A)

Sodium chloride

B)

Sodium sulphide

C)

Magnesium chloride

D)

Magnesium sulphide

View Answer
61) Impurities of Cu and Ag from gold are removed by

A)

boiling impure gold with dil.\[{{H}_{2}}S{{O}_{4}}\]

B)

boiling impure gold with cone.\[{{H}_{2}}S{{O}_{4}}\]

C)

electrolytically

D)

Both [b] and [c]

View Answer
62) Which of the following salt would give\[S{{O}_{2}}\] with hot and dil.\[{{H}_{2}}S{{O}_{4}}\]and also decolourises \[B{{r}_{2}}\]water ?

A)

\[N{{a}_{2}}S{{O}_{3}}\]

B)

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

C)

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

D)

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

View Answer
63) If two compounds have the same empirical formula but different molecular formulae, they must have

A)

different percentage composition

B)

different molecular weights

C)

same viscocity

D)

same vapour density

View Answer
64) Among the following which one has weakest carbon-halogen bond?

A)

Benzyl bromide

B)

Bromobenzene

C)

Vinyl bromide

D)

Benzyl chloride

View Answer
65) Petrochemicals can be used to prepare

A)

synthetic fibres

B)

pesticides

C)

plastics

D)

All of these

View Answer
66) tert-butyl methyl ether on heating with anhydrous HI in ether gives

A)

\[C{{H}_{3}}OH+{{(C{{H}_{3}})}_{3}}Cl\]

B)

\[C{{H}_{3}}I+{{(C{{H}_{3}})}_{3}}COH\]

C)

\[C{{H}_{3}}I+{{(C{{H}_{3}})}_{3}}Cl\]

D)

None of the above

View Answer
67) The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures

A)

two

B)

three

C)

four

D)

five

View Answer
68) What happens if\[CC{{l}_{4}}\]is treated with\[AgN{{O}_{3}}\]?

A)

A white ppt. of\[AgCl\]will form

B)

\[N{{O}_{2}}\] will be evolved

C)

\[CC{{l}_{4}}\]will dissolve in\[AgN{{O}_{3}}\]

D)

Nothing will happen

View Answer
69) \[^{23}Na\] is more stable isotope of Na. Find out the process by which\[_{11}^{24}Na\]can undergo radioactive decay

A)

\[{{\beta }^{-}}\]emission

B)

\[\alpha -\]emission

C)

\[{{\beta }^{+}}\] emission

D)

K electron capture

View Answer
70) The heat of combustion of solid benzoic acid at constant volume is\[-321.30\text{ }kJ\] at\[27{}^\circ C\]. The heat of combustion at constant pressure is

A)

\[-321.30-300R\]

B)

\[-321.30+300R\]

C)

\[-321.30-150R\]

D)

\[-321.30+900\text{ }R\]

View Answer
71) In which of the following compounds\[-OH\] group is least reactive?

A)

B)

C)

D)

All are equally reactive.

View Answer
72) lodoform is obtained when ethanol is heated with

A)

\[KI\]and aq KOH

B)

\[{{I}_{2}}\]and aq\[KOH\]

C)

\[{{I}_{2}}/\]aq\[KI\]

D)

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

View Answer
73) The total number of acylic isomers including the stereoisomers (geometrical and optical), with the molecular formula\[{{C}_{4}}{{H}_{7}}Cl\]is

A)

12

B)

11

C)

10

D)

9

View Answer
74) The alkyl halides that can be made by free radical halogenation of alkanes are

A)

\[RCl,\]and\[RBr\]but not RP or\[RI\]

B)

\[RF,RCl\]and\[RBr\]but not\[RI\]

C)

\[RF,\text{ }RCl,\text{ }RBr,\text{ }RI\]

D)

\[RF,RCl\]and\[RI\]but\[RBr\]

View Answer
75) Silica is a/an

A)

acidic flux only

B)

gangueonly

C)

basic flux only

D)

both gangue and acidic flux

View Answer
76) The nodes present in\[3p-\]orbitals are

A)

one spherical, one planar

B)

two spherical

C)

two planar

D)

one planar

View Answer
77) The number of\[\alpha -\]and\[\beta -\]particles emitted in nuclear reaction\[_{90}T{{h}^{228}}{{\xrightarrow[{}]{{}}}_{83}}B{{i}^{212}}\]are respectively

A)

4, 1

B)

3, 7

C)

8, 1

D)

4, 7

View Answer
78) Two bottles A and B contains 1 M and 1m aqueous solution of sulphuric acid respectively

A)

A is more concentrated than B

B)

B is more concentrated than A

C)

concentration of A is equal to concentration of B

D)

it is not possible to compare the concentrations

View Answer
79) A salt on treatment with dil.\[HCl\] gives a pungent smelling gas and a yellow precipitate. The salt gives green flame test and a yellow precipitate with potassium chromate the salt is

A)

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

B)

\[Ba{{S}_{2}}{{O}_{3}}\]

C)

\[Pb{{S}_{2}}{{O}_{3}}\]

D)

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

View Answer
80) Which of the oxide of manganese is amphoteric?

A)

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

B)

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

C)

\[M{{n}_{2}}{{O}_{7}}\]

D)

\[MnO\]

View Answer
81) Which of the following alkenes is most reactive towards cationic polymerization?

A)

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

B)

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

C)

\[{{H}_{2}}C=CH{{C}_{6}}{{H}_{5}}\]

D)

\[{{H}_{2}}C=CHC{{O}_{2}}C{{H}_{3}}\]

View Answer
82) An organic compound,\[{{C}_{3}}{{H}_{6}}O\]does not give a precipitate with 2, 4-dinitrophenyl hydrazine reagent and does not react with metallic sodium. It could be

A)

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

B)

\[C{{H}_{2}}=CHC{{H}_{2}}OH\]

C)

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

D)

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

View Answer
83) Oxidation of 1-butene with hot\[KMn{{O}_{4}}\]solution produces

A)

\[C{{H}_{3}}C{{H}_{2}}COOH+HCOOH\]

B)

\[C{{H}_{3}}C{{H}_{2}}COOH+C{{O}_{2}}\]

C)

\[C{{H}_{3}}COOH+C{{O}_{2}}\]

D)

\[{{(C{{H}_{3}})}_{2}}C=O+C{{O}_{2}}\]

View Answer
84) A mixture of 1-chlorobutane and 2-chloro- butane when treated with alcoholic KOH gives:

A)

1-butene

B)

2-butene

C)

isobutylene

D)

mixture of 1-butene +2-butene

View Answer
85) Out of the two compounds shown below, the vapour pressure of B at a particular temperature is expected to be

A)

higher than that of A

B)

lower than that of B

C)

same as that of A

D)

can be higher or lower depending upon the size of the vessel.

View Answer
86) Roasted tin stone ore after washing with water is known as

A)

block tin

B)

white tin

C)

black tin

D)

granulated tin

View Answer
87) Which of the following has strongest hydrogen bonding?

A)

Ethylamine

B)

Ammonia

C)

Ethyl alcohol

D)

Diethyl ether

View Answer
88) Consider the following statements The rate law for the acid catalysed hydrolysis of an ester being given as Rate\[=k[{{H}^{+}}]\] [ester]\[=k\][ester]. If the acid concentration is doubled at constant ester concentration 1. The second order rate constant, k is doubled. 2. The pseudo first order rate constant, k is doubled. 3. The rate of the reaction is doubled Which of the above statements are correct?

A)

1 and 2

B)

2 and 3

C)

1 and 3

D)

1, 2 and 3

View Answer
89) A fibrous mineral which can withstand red hot flames without any damage is

A)

talc

B)

glass wool

C)

soap stone

D)

asbestos

View Answer
90) When o- or\[p-\]phenolsulphonic acid is treated with bromine water, the product formed is

A)

2, 4-dibromophenol

B)

2, 4, 6-tribromophenol

C)

3-bromophenol boric acid

D)

3, 5-dibromophenol

View Answer
91) An alkene on vigorous oxidation with\[KMn{{O}_{4}}\]gives only acetic acid. The alkene is

A)

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

B)

\[C{{H}_{3}}CH=CHC{{H}_{3}}\]

C)

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

D)

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

View Answer
92) Which of the following has the maximum heat of hydrogenation?

A)

B)

C)

D)

View Answer
93) Deflection back of a few particles on hitting thin foil of gold shows that

A)

nucleus is heavy

B)

nucleus is small

C)

Both [a] and [b]

D)

electrons create hinderance in the movement of\[\alpha -\]particles

View Answer
94) Which of the following does not form an oxime?

A)

Glucose

B)

Glucose penta-acetate

C)

Arabinose

D)

Galactose

View Answer
95) An aromatic compounds X with molecular formul\[{{C}_{8}}{{H}_{10}}\]produces on nitration one mononitro derivative and three dinitro derivatives. Compound X would be

A)

ethyl benzene

B)

\[m-\]xylene

C)

\[o-\]xylene

D)

\[p-\]xylene

View Answer
96) The end product C in the following sequence of chemical reactions is \[C{{H}_{3}}COOH\xrightarrow[{}]{CaC{{O}_{3}}}A\xrightarrow[{}]{heat}B\xrightarrow[{}]{N{{H}_{2}}OH}C\]

A)

acetaldehyde oxime

B)

formaldehyde oxime

C)

methyl nitrate

D)

acetoxime

View Answer
97) The only cations present in a slightly acidic solution are\[F{{e}^{3+}},Z{{n}^{2+}}\]and\[C{{u}^{2+}}\]The reagent that when added in excess to this solution would identify and separate\[F{{e}^{3+}}\] in one step is

A)

\[2M\,HCl\]

B)

\[6M\,N{{H}_{3}}\]

C)

\[6M\,NaOH\]

D)

\[{{H}_{2}}S\,gas\]

View Answer
98) The nucleus of an atom can he assumed to be spherical. The radius of the nucleus of mass number A is given by\[1.25\times {{10}^{-13}}\times {{A}^{1/3}}cm\]. Radius of atom is one A. If the mass number is 64, then the fraction of the atomic volume that is occupied by the nucleus is

A)

\[1.0\times {{10}^{-3}}\]

B)

\[5.0\times {{10}^{-5}}\]

C)

\[2.5\times {{10}^{-2}}\]

D)

\[1.25\times {{10}^{-13}}\]

View Answer
99) Carboxylic acids readily dissolve in aqueous sodium bicarbonate, liberating carbon dioxide. Which one of the following is correct?

A)

Free carboxylic acid and its conjugate base are of comparable stability

B)

The free carboxylic acid is more stable than its conjugate base

C)

The conjugate base of the carboxylic acid is more stable than the free carboxylic acid

D)

The conjugate acid of the carboxylic acid is more stable than the free carboxylic acid

View Answer
100) Lead pipes can be used safely for carrying

A)

soft water

B)

soft water first heated with lime stone

C)

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

D)

soft as well as hard water

View Answer
101) The branch of biology, which deals with the study of processes and functions of an organism, is called

A)

histology

B)

anatomy

C)

physiology

D)

entomology

View Answer
102) Virus multiplies in

A)

soil

B)

dead tissue

C)

living tissue

D)

culture medium

View Answer
103) Which of the following technique, other than microscopy is used for study of cell ?

A)

Maceration

B)

Plasmolysis

C)

Chromatography

D)

Autoradiography

View Answer
104) Robert Hooke used the term cell in the year

A)

1650

B)

1665

C)

1865

D)

1960

View Answer
105) Protein synthesis takes place in

A)

ribosomes

B)

chloroplasts

C)

mitochondria

D)

Golgi bodies

View Answer
106) Replication of centriole occurs during

A)

interphase

B)

prophase

C)

late prophase

D)

late telophase

View Answer
107) L-shaped chromosomes are also called

A)

acrocentric

B)

telocentric

C)

sub-metacentric

D)

None of these

View Answer
108) Which of the following is/are grouped under phanerogams?

A)

Angiosperms

B)

Gymnosperms

C)

Pteridophytes

D)

Both [a] and [b]

View Answer
109) A bacterium divides after every 35 minutes. If a culture containing \[{{10}^{5}}\]cells per mL is grown, then cell concentration per mL after 175 minutes will be

A)

\[175\times {{10}^{5}}\]

B)

\[125\times {{10}^{5}}\]

C)

\[48\times {{10}^{5}}\]

D)

\[32\times {{10}^{5}}\]

View Answer
110) Cladonia rangiferina is a/an

A)

algae

B)

lichen

C)

fungus

D)

angiosperm

View Answer
111) Which of the following is an algal parasite?

A)

Volvox

B)

Ulothrix

C)

Porphyra

D)

Cephaleuros

View Answer
112) Which of the following is true about bryophytes ?

A)

They are thalloid

B)

They contain chloroplast

C)

They possess archegonia

D)

All of the above

View Answer
113) The kidney-shaped covering of sorus Dryopteris, is called

A)

placenta

B)

ramentum

C)

sporophyll

D)

indusium

View Answer
114) Which of the following is a wheat fruit?

A)

Achene

B)

Cypsella

C)

Caryopsis

D)

Endosperm

View Answer
115) A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm is

A)

24

B)

16

C)

12

D)

8

View Answer
116) Tyioses thickenings are seen in

A)

collenchyma

B)

phloem cells

C)

ray parenchyma only

D)

ray parenchyma and xylem cells

View Answer
117) Which of the following plant shows multiple epidermis?

A)

Croton

B)

Allium

C)

Nerium

D)

Cucurbita

View Answer
118) Double fertilization occurs among

A)

algae

B)

bryophytes

C)

angiosperms

D)

gymnospenr

View Answer
119) The endosperm in angiosperm develops from

A)

zygote

B)

secondary nucleus

C)

chalazal polar nucleus

D)

micropylar polar nucleus

View Answer
120) The fertilization in which male gametes are carried through pollen tube is known as

A)

syngamy

B)

porogamy

C)

siphonogamy

D)

chalazogamy

View Answer
121) Which of the following theory gives the latest explanation for the closure of stomata ?

A)

ABA theory

B)

Munch theory

C)

Starch glucose theory

D)

Active \[{{K}^{+}}\]transport theory

View Answer
122) Loss of liquid water by guttation occurs through

A)

hydathodes

B)

stomata

C)

cuticle

D)

bark

View Answer
123) Which of the following is the first compound that accepts carbon dioxide during dark phase of photosynthesis?

A)

NADP

B)

RuBP

C)

Ferredoxin

D)

Cytochrome

View Answer
124) Oxygen which is liberated during photosynthesis, comes from

A)

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

B)

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

C)

chlorophyll

D)

phosphoglyceric acid

View Answer
125) In \[{{C}_{4}}\] plants, the carbon dioxide fixation occurs in

A)

guard cells

B)

spongy cells

C)

palisade cells

D)

bundle sheath cells

View Answer
126) Ethyl alcohol is commercially manufactured from

A)

bajra

B)

grapes

C)

maize

D)

sugarcane

View Answer
127) Last electron acceptor in respiration is

A)

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

B)

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

C)

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

D)

NADH

View Answer
128) A hormone delaying senescence is

A)

auxin

B)

cytokinins

C)

ethylene

D)

gibberellin

View Answer
129) Which of the following induces flowering in long day plants ?

A)

Gibberellins

B)

Cytokinin

C)

Auxins

D)

Ethylene

View Answer
130) What name has been assigned to the genus produced by a cross between cabbage and radish?

A)

Secale

B)

Bursapastoris

C)

Lysogenicophyll

D)

Raphanobrassica

View Answer
131) Genetic counsellors can identify heterozygous individuals by

A)

height of individuals

B)

colour of individuals

C)

screening procedures

D)

All of the above

View Answer
132) The term heterosis was first coined by

A)

McClintock

B)

Poweri

C)

Swaminathan

D)

None of these

View Answer
133) Somatic hybridization is a technique of

A)

natural breeding

B)

natural pollination

C)

artificial pollination

D)

somatic cells hybridization

View Answer
134) which of the following is initiation codon in eukaryotes ?

A)

UAG

B)

UGA

C)

UAA

D)

AUG

View Answer
135) Which of the following species are restricted to an area?

A)

Sibling species

B)

Endemic species

C)

Allopatric species

D)

Sympatric species

View Answer
136) Biological concept of species is mainly based on

A)

reproductive isolation

B)

morphological features only

C)

methods of reproduction only

D)

morphology and methods of reproduction

View Answer
137) Which of the following supports a dense population of plankton and littoral vegetation?

A)

Oligotrophic

B)

Eutrophic

C)

Lithotrophic

D)

Agroecotrophic

View Answer
138) A man-made ecosystem is

A)

less in diversity

B)

more in diversity

C)

man does not make ecosystem

D)

more stable than natural ecosystem

View Answer
139) Crop rotation is used by farmers to increase

A)

soil fertility

B)

community area

C)

organic content of soil

D)

nitrogenous content in the soil

View Answer
140) Which of the following organism form the decomposers ?

A)

Pteris

B)

Bacteria

C)

Saprophytic fungi

D)

Both [b] and [c]

View Answer
141) Fly-ash is a/an

A)

insectivorous plant

B)

light airborn paniculate matter

C)

new name of orchid plant

D)

causal organism of various diseases

View Answer
142) Some effects of sulphur dioxide and its transformation products on plant include

A)

plasmolysis

B)

Golgi body destruction

C)

protein dis-integration

D)

chlorophyll destruction

View Answer
143) Which of the following plant is used for the purification of water?

A)

Beggiata

B)

Chlorella

C)

Spirogyra

D)

Eichhornia

View Answer
144) In the treatment of waste water discharge, which treatment stage involves biological treatment?

A)

Primary treatment

B)

Secondaiy treatment

C)

Tertiary treatment

D)

Reverse osmosis stage

View Answer
145) Which of the following is considered to be the best chemical method of fixing atmospheric nitrogen?

A)

Fisher method

B)

Decan method

C)

Haber-Bosch method

D)

Paranas-Meyerhoff method

View Answer
146) Desired improved varieties of economically useful crops are raised by

A)

migration

B)

biofertilizer

C)

hybridization

D)

natural selection

View Answer
147) Indian rose wood tree is a common name of

A)

Acacia

B)

Shorea

C)

Dalbergia

D)

Eucalyptus

View Answer
148) Emasculation is concerned with

A)

hybridization

B)

clonal selection

C)

mass selection

D)

pure line selection

View Answer
149) Which of the following insecticide is obtained from the roots of Derris elleptica ?

A)

Cinerin

B)

Nicotine

C)

Rotenone

D)

Pyrethrum

View Answer
150) In maize, hybrid vigour is exploited by

A)

bombarding the protoplast with DNA

B)

crossing of two inbreed parental lines

C)

harvesting seeds from the most productive plants

D)

inducing mutations

View Answer
151) Which of the following is not vestigial in man?

A)

Tail vertebrae

B)

Nails

C)

Nictitating membrane

D)

Vermiform appendix

View Answer
152) The chemical used in National Malaria Eradication Programme is

A)

2,4-D

B)

BHC

C)

DDT

D)

Pyrethroid

View Answer
153) A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis ?

A)

Introns

B)

Exons

C)

Both [a] and [b]

D)

None of these

View Answer
154) The number of hydrogen bonds between adenine and thymine in a DNA molecule is

A)

two

B)

three

C)

four

D)

eight

View Answer
155) The enzyme, which combines with non-protein part to form a functional enzyme known as

A)

Co-enzyme

B)

holoenzyme

C)

apoenzyme

D)

prosthetic group

View Answer
156) Which of the following enzyme digest protein in stomach ?

A)

Trypsin

B)

Pepsin

C)

Crepsin

D)

None of these

View Answer
157) Passive food ingestion in Amoeba is known as

A)

import

B)

invagination

C)

circumfluence

D)

circumvallatic-

View Answer
158) The slime moulds are characterized by the presence of

A)

elaters

B)

pseudoelaters

C)

capillitium

D)

capitulum

View Answer
159) Ecdysone is secreted from

A)

Insecta

B)

Trematoda

C)

Nematoda

D)

Polychaeta

View Answer
160) In the life cycle of mosquito, comma-shaped stage is

A)

larval stage

B)

pupal stage

C)

imago stage

D)

None of these

View Answer
161) Haemocoel is found in

A)

Hydra and Aurelia

B)

Taenia and Ascaris

C)

Cockroach and Pila

D)

Balanoglossus and Herdmania

View Answer
162) The group of Anamniota includes

A)

reptiles and birds

B)

birds and mammals

C)

fishes and amphibians

D)

reptiles and mammals

View Answer
163) The excretory material of bony fish is

A)

urea

B)

protein

C)

ammonia

D)

amino acid

View Answer
164) Different colour of frog skin are controller by

A)

hormones

B)

melanocytes

C)

nervous system

D)

Both [a] and [c]

View Answer
165) Blastula of frog has

A)

blastopore

B)

blastocoel

C)

archenteron

D)

gastropore

View Answer
166) Carotene pigment is found in the cells of

A)

dermis

B)

epidermis

C)

adipose cell

D)

Both [b] and [c]

View Answer
167) Deboves membrane is a layer of

A)

muscular tissue

B)

epithelial tissue

C)

connective tissue

D)

All of the above

View Answer
168) Achilles tendon is associated with

A)

gluteus muscle

B)

hamstring muscle

C)

quadriceps muscle

D)

gastrocnemius muscle

View Answer
169) The leucocytes contain, which of the following in large quantity?

A)

Basophils

B)

Neutrophils

C)

Eosinophils

D)

Monocytes

View Answer
170) Which part of our body secreted the hormone secretin ?

A)

Ileum

B)

Stomach

C)

Duodenum

D)

Oesophagus

View Answer
171) During inspiration, the diaphragm

A)

expands

B)

shows no change

C)

contracts and flattens

D)

relaxes to become dome-shaped

View Answer
172) The oxygen toxicity is related with

A)

blood poisoning

B)

collapse of alveolar walls

C)

failure of ventilation of lungs

D)

Both [a] and [b]

View Answer
173) Cardiac output is determined by

A)

heart rate

B)

stroke volume

C)

blood flow

D)

Both [a] and [b]

View Answer
174) The important function of lymph is to

A)

transport oxygen to the brain

B)

transport carbon dioxide to the lungs

C)

return RBCs to the lymph nodes

D)

return interstitial fluid to the blood

View Answer
175) The lining of intestine and kidneys in humans is

A)

keratinized

B)

brush border

C)

ciliated

D)

None of these

View Answer
176) The yellow colour of urine is due to the presence of

A)

urea

B)

uric acid

C)

urochrome

D)

bilirubin

View Answer
177) The Leydig cells secrete

A)

oestrogen

B)

testosterone

C)

progesterone

D)

corticosterone

View Answer
178) The function of pineal body is to

A)

lighten the skin colours

B)

control sexual behaviour

C)

regulates the period of puberty

D)

All of the above

View Answer
179) Which of the following nerve is purely motor nerve ?

A)

Vagus

B)

Facial

C)

Abducens

D)

Trigeminal

View Answer
180) Which of the following part of a neuron is covered by fatty sheath?

A)

Axon

B)

Cyton

C)

Dendrite

D)

Node of Ranvier

View Answer
181) Synsacrum of fowl is consist of about

A)

29 vertebrae

B)

3 vertebrae

C)

16 vertebrae

D)

single vertebrae

View Answer
182) In rabbit, head of the epididymis present at the head of the testes, is called

A)

vas deferens

B)

gubemaculum

C)

cauda epididymis

D)

caput epididymis

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

A)

trophoblast

B)

follicle cells

C)

formative cells

D)

inner cell mass

View Answer
184) The eggs of silk moth are

A)

homolecithal

B)

telolecithal

C)

mesolecithal

D)

centrolecithal

View Answer
185) Which of the following was formed in S. Millers experiment?

A)

Amino acids

B)

Nucleic acids

C)

UV radiations

D)

Microspheres

View Answer
186) Trilobites were evolved during, which of the following period?

A)

Silurian

B)

Cambrian

C)

Ordovician

D)

Precambrian

View Answer
187) Which of the following variations are temporary and have nothing to do with the last or next generation?

A)

Hereditary variations

B)

Discontinuous variations

C)

Environmental variations

D)

None of the above

View Answer
188) The modem man differs from the apes in

A)

protruding eyes

B)

spare body hair

C)

wearing of clothes

D)

arms shorter than legs

View Answer
189) The highest cranial capacity is/was present in

A)

Java man

B)

peking man

C)

handy man

D)

modem man

View Answer
190) Wild life is

A)

any living organism in any habitat

B)

predatory animals in their natural habitat

C)

any living organisms in its natural habitat

D)

economically important animals and plants

View Answer
191) A marriage between normal visioned man and colourblind woman will produce, which of the following type of offsprings ?

A)

Normal sons and carrier daughters

B)

Colourblind sons and carrier daughters

C)

Colourblind sons and 50% carrier daughters

D)

50% colourblind sons and 50% carrier daughters

View Answer
192) Haemophilia is a

A)

deficiency disorder

B)

Y-linked disorder

C)

X-linked disorder

D)

autosomal sex disorder

View Answer
193) UV radiation from sun causes, which of the following disorder of eyes ?

A)

Cataract

B)

Glaucoma

C)

Dilation pupil

D)

Some defect of retina

View Answer
194) The study of relationship between size and shape is called

A)

allopatric

B)

allelopathy

C)

allometry

D)

allogamy

View Answer
195) Which of the following is the most sparsely populated state of India ?

A)

Manipur

B)

Rajasthan

C)

Meghalaya

D)

Arunachal Pradesh

View Answer
196) The natural parthenogenesis is found in

A)

sharks

B)

housefly

C)

Drosophilia

D)

honey bee

View Answer
197) The interferons are

A)

antiviral proteins

B)

antibiotic proteins

C)

antigen proteins

D)

antibacterial partied

View Answer
198) An organic substance bound to an enzyme and essential for its activity is called

A)

Co-enzyme

B)

holoenzyme

C)

apoenzyme

D)

isoenzyme

View Answer
199) Who coined the term antibiotics?

A)

Darwin

B)

Woodruff

C)

Flemming

D)

Selman Waksman

View Answer
200) A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteries is

A)

chitin

B)

starch

C)

cellulose

D)

dextran

View Answer

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done Uttarakhand PMT Solved Paper-2008 Total Questions - 200

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Uttarakhand PMT Solved Paper-2008 Total Questions - 200