Solved papers for Haryana PMT Haryana PMT Solved Paper-2006

Haryana PMT Solved Paper-2006 Total Questions - 180

1) A weight w is suspended from the midpoint of a rope, whose ends are at the same level. In order to make the rope perfectly horizontal, the force applied to each of its ends must be:

A)

less than w

B)

equal to w

C)

equal to 2w

D)

infinitely large

View Answer
2) A velocity of a particle at an instant is 10 m/s.      After 3 s its velocity will become 16 m/s. The       velocity at 2 s, before the given instant will be :

A)

                6 m/s

B)

4 m/s

C)

                2 m/s

D)

1m/s

View Answer
3) A heavy stone hanging from a massless string of length 15 m is projected horizontally with speed             147 m/ s. The speed of the particle at the point where the tension in the string equals the       weight of the particle is?

A)

                10 m/s

B)

7 m/s

C)

                12 m/s

D)

None of these

View Answer
4) When a body moves with constant speed in a    circular path, then :

A)

                work done will be zero

B)

                acceleration will be zero

C)

                no force acts on the body

D)

                its velocity remains constant

View Answer
5) Two stones are projected with same velocity v at an angle \[\theta \] and \[(90-\,\theta )\] . If \[H\,and\text{ }{{H}_{1}}\] are the greatest heights in the two paths, what is the relation between R, H and \[{{H}_{1}}\]?

A)

\[R=4\frac{\sqrt{H{{H}_{1}}}}{{}}\]

B)

\[R=\frac{\sqrt{H{{H}_{1}}}}{{}}\]

C)

\[R=4H{{H}_{1}}\]

D)

None of the above

View Answer
6) A body initially at rest is moving with uniform     acceleration a. Its velocity after n s is v. The displacement of the body in 2 s is :

A)

                \[\frac{2v(n-1)}{n}\]

B)

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

C)

                \[\frac{v(n+1)}{n}\]

D)

\[\frac{2v(n+1)}{n}\]

View Answer
7) The magnetic force on a point charge is                                                 \[\overrightarrow{\mathbf{F}}\text{=q(}\overrightarrow{\mathbf{V}}\text{ }\!\!\times\!\!\text{ }\overrightarrow{\mathbf{B}}\text{)}\]                 Here,        \[q\] = electric charge                                                 \[\overrightarrow{\mathbf{V}}\]= velocity of point charge                                                 \[\overrightarrow{\mathbf{B}}\] = magnetic Held                 The dimension of \[\overrightarrow{\mathbf{B}}\] is :

A)

                \[[ML{{T}^{-1}}A]\]

B)

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

C)

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

D)

none of these

View Answer
8) The first diffraction minimum due to single slit diffraction is \[\theta \], for a light of wavelength \[5000\overset{\text{o}}{\mathop{\text{A}}}\,\]. If the width of the slit is \[1\times {{10}^{-4}},\] then the value of \[\text{ }\!\!\theta\!\!\text{ }\] is :

A)

\[30{}^\circ \]

B)

\[45{}^\circ \]

C)

\[60{}^\circ \]

D)

\[15{}^\circ \]

View Answer
9) A stone of mass m tied to a string of length \[l\]is rotated in a circle with the other end of the string as the centre. The speed of the stone is v. If the string breaks, the stone will:

A)

                move towards the centre

B)

                move away from the centre

C)

                move along tangent

D)

                stop

View Answer
10) A_ particle   moves   with   a   velocity      \[\text{(5}\mathbf{\hat{i}}\text{-3\hat{J}+6\hat{K})}\] m/s under the influence of a constant force \[\overrightarrow{\mathbf{F}}\text{=(10}\mathbf{\hat{i}}\text{+10}\mathbf{\hat{J}}\text{+12}\mathbf{\hat{K}}\text{)}\] instantaneous power applied to the particle is:

A)

                200 J/s

B)

40J/s

C)

                140 J/s

D)

170 J/s

View Answer
11) The potential energy of a particle of mass 5 kg moving in the \[x-y\] plane is given by \[\text{U=(7x+24y-)J}\text{.x}\,\text{and}\,\text{y}\] being in meter. If the              particle                 starts from rest from origin, then                 speed of              panicle at t = 2 s is:

A)

                5m/s

B)

14m/

C)

                17.5m/s

D)

10 m/s

View Answer
12) The ratio of radii of gyration of a circular disc       and a circular ring of the same radii and same     mass about a tangential axis in the plane is :

A)

                1; 2

B)

\[\sqrt{5}:\sqrt{6}\]

C)

                2:3

D)

2:1

View Answer
13) If a particle of mass m is projected at an angle a                 with the horizontal, then :

A)

                the angular momentum remain constant

B)

                the linear momentum of particle remains constant

C)

                total mechanical energy remains constant in      the absence of air resistance

D)

                all of the above

View Answer
14) A satellite is moving on a circular path of radius r around the earth has a time period T. If its radius slightly increases by \[\Delta r\], the change in its time period is :

A)

\[\frac{3}{2}\left( \frac{T}{r} \right)\Delta r\]

B)

\[\left( \frac{T}{r} \right)\Delta r\]

C)

\[\frac{3}{2}\left( \frac{{{T}^{2}}}{{{r}^{2}}} \right)\Delta r\]

D)

none of these

View Answer
15) A particle executes SHM, its time period is 16 s.                 If it passes through the centre of oscillation the en its velocity is 2m/s at time 2 s. The amplitude will be:

A)

                7.2 m

B)

4 cm

C)

                6 cm

D)

0.72m

View Answer
16) A simple harmonic oscillator has amplitude A, angular velocity \[\Omega \], and mass m. Then, average                 energy in one time period will be :

A)

                \[\frac{1}{4}m{{\omega }^{2}}{{A}^{2}}\]

B)

\[\frac{1}{4}{{m}^{2}}{{\omega }^{2}}{{A}^{2}}\]

C)

                \[{{\omega }^{2}}{{A}^{2}}\]

D)

zero

View Answer
17) A particle executes simple harmonic motion with a frequency\[f\]. The frequency with which the potential energy oscillates is :

A)

\[f\]

B)

\[f/2\]

C)

\[2f\]

D)

zero

View Answer
18) The wave front due to a source situated at infinity is :

A)

spherical

B)

cylindrical

C)

planar

D)

none of these

View Answer
19) An astronaut is approaching the moon. He sends out a radio signal of frequency 5000 MHz and the frequency of echo is different from that     of the original frequency by 100 kHz. His velocity of approach with respect to the moon is:

A)

                2km/s

B)

3km/s

C)

                4km/s

D)

5km/s

View Answer
20) The temperature of \[{{H}_{2}}\] at which the rms velocity of its molecules is seven times the rms velocity of the molecules of nitrogen at 300 K is :

A)

2100 K

B)

1700 K

C)

1350 K

D)

1050 K

View Answer
21) Gas exerts pressure on the walls of the                 container because :

A)

                gas has weight

B)

                gas molecules have momentum

C)

                gas molecules collide with each other

D)

                gas molecules collide with the walls of the

View Answer
22) Container The inside and outside temperatures                of a refrigerator are 273 K and 303 K respectively. Assuming that refrigerator cycle is reversible, for every joule of work done, the     heat delivered to the surrounding will be :

A)

                10 J

B)

20 J

C)

                30 J

D)

50 J

View Answer
23) In an energy recycling process, X g of steam at 100°C becomes water at 100°C which converts Y g of ice at 0°C into water at 100°C. The ratio of X     and Y will be:

A)

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

B)

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

C)

                  3

D)

2

View Answer
24) A body at a temperature of \[728{}^\circ C\] and has surface area \[5\text{ }c{{m}^{2}}\], radiates 300 J of energy                 each minute. The emissivity is :                 (Given: Boltzmann constant \[\text{=5}\text{.67 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-8}}}\text{W}{{\text{m}}^{\text{2}}}{{\text{K}}^{\text{4}}}\]

A)

                e=0.18

B)

e=0.02

C)

                e=0.2

D)

e=0.15

View Answer
25) If \[\sigma =\]surface charge density, \[\varepsilon =\] electric permittivity, the dimensions of\[\frac{\sigma }{\varepsilon }\] are same as:

A)

                electric force

B)

                electric field intensity

C)

                pressure

D)

                electric charge

View Answer
26) For circuit the equivalent capacitance between P and Q is:

A)

6C

B)

4C

C)

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

D)

\[\frac{6C}{11}\]

View Answer
27) A wire has resistance 120. It is bent in the form of a circle. The effective resistance between the two points on any diameter of the circle is :

A)

12\[\Omega \]

B)

24\[\Omega \]

C)

6\[\Omega \]

D)

3\[\Omega \]

View Answer
28) If two identical heaters each rated as (1000W,    220V) are connected in parallel to 220 V, then    the total power consumed is :

A)

                200 W

B)

2500 W

C)

                250 W

D)

2000 W

View Answer
29) In the given figure, the loop is fixed but straight                wire can move. The straight wire will:

A)

remain stationary

B)

                move towards the loop

C)

                move away from the loop

D)

                rotates about the axis

View Answer
30) At a point on the right bisector of a magnetic      dipole, the magnetic :

A)

                potential varies as \[\frac{1}{r2}\]

B)

                potential is zero at all points on the right bisector

C)

                field varies as r3

D)

                field is perpendicular to the axis of the dipole

View Answer
31) The couple acting on a magnet of length 10 cm and pole strength 15 Am, kept in a field of \[B=2~\times {{10}^{-5}}T,\] at an angle of 30° is :

A)

\[1.5\times {{10}^{-5}}Nm\]

B)

\[1.5\times {{10}^{-3}}Nm\]

C)

\[1.5\times {{10}^{-2}}Nm\]

D)

\[1.5\times {{10}^{-6}}Nm\]

View Answer
32) In a step-up transformer, the number of turms                 in:

A)

                primary are less

B)

                primary are more

C)

                primary and secondary are equal

D)

                primary are infinite

View Answer
33) If a circuit made up of a resistance \[\Omega \] and inductance 0.01 H, and alternating emf 200 V at SO Hz is connected, then the phase difference           between the current and the emf in the circuit is :

A)

                \[{{\tan }^{-1}}(\pi )\]

B)

\[{{\tan }^{-1}}\left( \frac{\pi }{2} \right)\]

C)

                \[{{\tan }^{-1}}\left( \frac{\pi }{4} \right)\]

D)

\[{{\tan }^{-1}}\left( \frac{\pi }{3} \right)\]

View Answer
34) An AC is represented by e = 220 sin (100 \[\pi \]) t V        and is applied over a resistance of 110 \[\Omega \]. The                 heat produced in 7 min is :

A)

                \[11\times {{10}^{3}}cal\]

B)

\[22\times {{10}^{3}}cal\]

C)

                \[33\times {{10}^{3}}cal\]

D)

\[25\times {{10}^{3}}cal\]

View Answer
35) The wavelength of a radio wave of frequency of               1 MHz is :

A)

                400m

B)

                                       300m

C)

                350m

D)

200m

View Answer
36) The correct option, if speed of \[\gamma \]-rays, x-rays and micro waves are\[{{\gamma }_{g,}}{{v}_{x}}\]and \[{{v}_{m}}\]      respectively will be:

A)

                \[{{v}_{g}}>{{v}_{g}}>{{v}_{m}}\]

B)

\[{{v}_{g}}>{{v}_{x}}>{{v}_{m}}\]

C)

                \[{{v}_{g}}>{{v}_{x}}>{{v}_{m}}\]

D)

\[{{v}_{g}}>{{v}_{x}}>{{v}_{m}}\]

View Answer
37) The electric field E and magnetic field B in electromagnetic waves are:

A)

                parallel to each other

B)

                inclined at an angle of 45°

C)

                perpendicular to each other

D)

                opposite to each other

View Answer
38) In Youngs double slit experiment, the spacing    between the slits is d and wavelength of light    used is 6000 Å. If the angular width of a fringe formed on a distant screen is 1°, then value of d is:

A)

                1 mm

B)

0.05 mm

C)

                0.03 mm

D)

0.01 mm

View Answer
39) Polarisation of light proves :

A)

                corpuscular nature of light

B)

                quantum nature of light

C)

                transverse wave nature of light

D)

                longitudinal wave nature of light

View Answer
40) In terms of Rydberg constant R, the wave number of the first Balmer line is :

A)

R

B)

3R

C)

\[\frac{\text{5R}}{\text{36}}\]

D)

\[\frac{\text{8R}}{9}\]

View Answer
41) In the nuclear reaction : \[^{\text{2}}\text{H}{{\text{e}}^{\text{4}}}{{\text{+}}_{\text{z}}}{{\text{X}}^{\text{A}}}{{\xrightarrow{{}}}_{\text{z+2}}}{{\text{Y}}^{\text{A+3}}}{{\text{+}}_{\text{z}}}{{\text{M}}^{\text{A }\!\!\!\!\text{ }}}\]where M denotes :

A)

electron

B)

positron

C)

proton

D)

neutron

View Answer
42) If the de-Broglie wavelength of a proton is\[{{10}^{-13}}m,\] the electric potential through which it must have been accelerated is :

A)

\[4.07\times {{10}^{4}}V\]

B)

\[8.2\times {{10}^{4}}V\]

C)

\[8.2\times {{10}^{3}}V\]

D)

\[4.07\times {{10}^{5}}V\]

View Answer
43) \[n\] alpha particles per second are emitted from            N atoms of a radioactive element. The half-life of radioactive element is :

A)

                \[\frac{n}{N}s\]

B)

\[\frac{N}{n}s\]

C)

                \[\frac{0.693N}{n}s\]

D)

\[\frac{0.693n}{N}s\]

View Answer
44) Depletion layer consists of:

A)

electrons

B)

protons

C)

mobile ions

D)

immobile ions

View Answer
45) In a semiconductor diode the barrier potential offers opposition to only :

A)

                majority carrier in both regions

B)

                minority carrier in both regions

C)

                free electrons in the \[n\]-region

D)

                holes in the \[p\]-region

View Answer
46) Maximum entropy will be in which of the following?

A)

Ice

B)

Liquid water

C)

Snow

D)

Water vapours

View Answer
47) What is obtained when chlorine is passed in boiling toluene and product is hydrolysed?

A)

o-cresol

B)

p-cresol

C)

2, 4-dihydroxytoluene

D)

Benzyl alcohol

View Answer
48) Which of the following has covalent bond?

A)

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

B)

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

C)

\[NaH\]

D)

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

View Answer
49) Which of the following acts as an oxidising as well as reducing agent?

A)

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

B)

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

C)

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

D)

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

View Answer
50) What is the oxidation state of P in \[Ba{{({{H}_{2}}P{{O}_{2}})}_{2}}\]?

A)

\[+1\]

B)

\[+2\]

C)

\[+3\]

D)

\[-1\]

View Answer
51) Which of the following molecules has pyramidal shape?

A)

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

B)

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

C)

\[CO_{3}^{2-}\]

D)

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

View Answer
52) Maximum number of -hydrogen bonding in is:

A)

\[1\]

B)

\[2\]

C)

\[3\]

D)

\[4\]

View Answer
53) Number of isomers possible for \[{{C}_{4}}{{H}_{8}}O\] is

A)

\[3\]

B)

\[4\]

C)

\[5\]

D)

\[6\]

View Answer
54) \[{{C}_{6}}{{H}_{5}}-CH=CHCHO\xrightarrow{X}\]\[{{C}_{6}}{{H}_{5}}CH=CHC{{H}_{2}}OH\] In the above sequence X can be:

A)

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

B)

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

C)

\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+{{H}^{+}}\]

D)

both (a) and (b)

View Answer
55) For a reaction \[{{H}_{2}}+{{I}_{2}}2HI\] at\[721K\], the value of equilibrium constant is 50. If \[~0.5\text{ }moles\] each of \[{{H}_{2}}\] and \[{{I}_{2}}\] is added to the system, the value of equilibrium constant will be:

A)

\[40\]

B)

\[60\]

C)

\[50\]

D)

\[30\]

View Answer
56) Schottky defect generally appears in:

A)

\[NaCl\]

B)

\[KCl\]

C)

\[CsCl\]

D)

all of these

View Answer
57) The ability of a given substance to assume two or more crystalline structure is called :

A)

amorphism

B)

isomorphism

C)

polymorphism

D)

isomerism

View Answer
58) A cricket ball of \[0.5kg\]is moving with a velocity of \[100m/sec\]. The wavelength associated with its motion is:

A)

\[1/100\text{ }cm\]

B)

\[6.6\times {{10}^{-34}}m\]

C)

\[1.32\times {{10}^{-35}}m\]

D)

\[6.6\times {{10}^{-28}}m\]

View Answer
59) Which among the following species have the same number of electrons in its outermost as well as penultimate shell?

A)

\[M{{g}^{2+}}\]

B)

\[{{O}^{2-}}\]

C)

\[{{F}^{-}}\]

D)

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

View Answer
60) \[\Delta {{E}^{o}}\]of combustion of isobutylene is \[-X\text{ }kJ\text{ }mo{{l}^{-1}}\]. The value of \[\Delta {{H}^{o}}\] is:

A)

\[=\Delta {{E}^{o}}\]

B)

\[>\Delta {{E}^{o}}\]

C)

\[=0\]

D)

\[<\Delta {{E}^{o}}\]

View Answer
61) At \[{{90}^{o}}C\], pure water has \[{{H}_{3}}{{O}^{+}}\] ion concentration of \[{{10}^{-6}}mol/{{L}^{-1}}\]. The \[{{K}_{\omega }}\] at \[{{90}^{o}}C\] is:

A)

\[{{10}^{-6}}\]

B)

\[{{10}^{-14}}\]

C)

\[{{10}^{-12}}\]

D)

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

View Answer
62) A gas is found to have a formula \[{{[CO]}_{x}}\]. If its vapour density is 70, the value of x is:

A)

\[2.5\]

B)

\[3.0\]

C)

\[5.0\]

D)

\[6.0\]

View Answer
63) Which of the following represents soap?

A)

\[{{C}_{17}}{{H}_{35}}COOK\]

B)

\[{{C}_{17}}{{H}_{35}}COOH\]

C)

\[{{C}_{15}}{{H}_{31}}COOH\]

D)

\[{{({{C}_{17}}{{H}_{35}}COO)}_{2}}Ca\]

View Answer
64) Aspirin in chemically:

A)

methyl benzoate

B)

ethyl salicylate

C)

acetyl salicylic acid

D)

o-hydroxy benzoic acid

View Answer
65) Vitamin \[{{B}_{6}}\] is known a:

A)

pyridoxin

B)

thiamine

C)

tocopherol

D)

riboflavin

View Answer
66) Which of the following compounds is found abundantly in nature?

A)

Fructose

B)

Starch

C)

Glucose

D)

Cellulose

View Answer
67) Synthetic polymer which resembles natural rubber is:

A)

neoprene

B)

chloroprene

C)

glyptal

D)

nylon

View Answer
68) Which of the. following is not a nitre-derivative

A)

\[{{C}_{6}}{{H}_{5}}N{{O}_{2}}\]

B)

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

C)

D)

\[{{C}_{6}}{{H}_{4}}(OH)N{{O}_{2}}\]

View Answer
69) The reduction of which of the following compound would yield secondary amine?

A)

Alkyl nitrile

B)

Carbylamine

C)

Primary amine

D)

Secondary nitro compound

View Answer
70) Which of the aldehyde is most reactive?

A)

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

B)

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

C)

\[HCHO\]

D)

All are equally reactive

View Answer
71) Which of the following does not contain \[-COOH\] group?

A)

Aspirin

B)

Benzoic acid

C)

Picric acid

D)

All have \[-COOH\] group

View Answer
72) Which of the following is dihydric alcohol?

A)

Glycerol

B)

Ethylene glycol

C)

Catechol

D)

Resorcinol

View Answer
73) Ethyl alcohol is heated with cone. \[{{H}_{2}}S{{O}_{4}}\]. The product formed is:

A)

\[C{{H}_{3}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}\]

B)

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

C)

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

D)

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

View Answer
74) In the first order reaction, the concentration of the reactants is reduced to 25% in one hour. The half-life period of the reaction is

A)

\[2h\]

B)

\[4h\]

C)

\[1/2h\]

D)

\[1/4h\]

View Answer
75) For a reaction \[X(g)\xrightarrow[{}]{}Y(g)+Z(g)\]the half-life period is 10 min. In what period of time would the concentration of X be reduced to 10% of original concentration?

A)

\[20\,min\]

B)

\[33\,min\]

C)

\[15\,min\]

D)

\[25\,min\]

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

A)

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

B)

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

C)

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

D)

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

View Answer
77) The movement of solvent molecules through a semipermeable membrane is called:

A)

Electrolysis

B)

Electrophoresis

C)

Osmosis

D)

Cataphoresis

View Answer
78) Which of the following is a primary halide?

A)

Isopropyl iodide

B)

Secondary butyl iodide

C)

Tertiary butyl bromide

D)

Neo hexyl chloride

View Answer
79) A gas is found to have the 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
80) Aromatisation of n-heptane by passing over\[(A{{l}_{2}}{{O}_{3}}+C{{r}_{2}}{{O}_{3}})\] catalyst at \[773K\]gives:

A)

benzene

B)

toluene

C)

Mixture of both

D)

Heptylene

View Answer
81) \[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\xrightarrow{Cr{{O}_{2}}\,C{{l}_{2}}}Z\]In the given sequence Z is:

A)

benzaldehyde

B)

toluic acid

C)

phenyl acetic acid

D)

benzoic acid

View Answer
82) Nitro ethane can exhibit one of the following kind of isomerism:

A)

metamerism

B)

optical activity

C)

tautomerism

D)

position isomerism

View Answer
83) A compound has 3 chiral carbon atoms. The number of possible optical isomers it can have:

A)

\[3\]

B)

\[2\]

C)

\[8\]

D)

\[4\]

View Answer
84) \[4{{K}_{2}}C{{r}_{2}}{{O}_{7}}\xrightarrow{heat}4{{K}_{2}}Cr{{O}_{4}}+3{{O}_{2}}+X\] heat In the above reaction X is:

A)

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

B)

\[C{{r}_{2}}{{O}_{7}}\]

C)

\[C{{r}_{2}}{{O}_{3}}\]

D)

\[Cr{{O}_{5}}\]

View Answer
85) The co-ordination number and oxidation number of X in the following compound\[[X\,(S{{O}_{4}})\,{{(N{{H}_{3}})}_{5}}]Cl\]will be:

A)

\[10\] and \[3\]

B)

\[2\] and \[6\]

C)

\[6\] and \[3\]

D)

\[6\] and \[4\]

View Answer
86) In the electrolysis of water one faraday of electrical energy would evolve:

A)

\[1mole\]of oxygen

B)

1 gram-atom of oxygen

C)

8 g of oxygen

D)

\[22.4\text{ }L\]of oxygen

View Answer
87) In which of these process platinum is used as a catalyst?

A)

Oxidation of ammonia to form \[HN{{O}_{3}}\]

B)

Hardening of oils

C)

Production of synthetic rubber

D)

Synthesis of methane

View Answer
88) If the half-life of an isotope X is 10 years, its decay constant is:

A)

\[6.932\text{ }y{{r}^{-1}}\]

B)

\[0.6932y{{r}^{-1}}\]

C)

\[0.06932\text{ }y{{r}^{-1}}\]

D)

\[0.006932\text{ }y{{r}^{-1}}\]

View Answer
89) On strong heating sodium bicarbonate changes into:

A)

sodium monoxide

B)

sodium hydroxide

C)

sodium carbonate

D)

sodium peroxide

View Answer
90) Which of the following is not an ore of magnesium?

A)

Carnallite

B)

Magnesite

C)

Dolomite

D)

Gypsum

View Answer
91) Sunnhemp is obtained from :

A)

Crotolaria juncea

B)

Linum usitatiseimum

C)

Corchorus capsularis

D)

None of the above

View Answer
92) The enzyme involved in fixation of \[C{{O}_{2}}\] in \[{{C}_{4}}\] plants is :

A)

PEP carboxylase

B)

RuDP carboxylase

C)

RuDP oxydase

D)

both (a) and (b)

View Answer
93) Vegetative reproduction in Cycas occur by :

A)

bulbils

B)

sporophylls

C)

fission

D)

scale leaves

View Answer
94) Symbiotic relationship between blue-green algae and fungus is called :

A)

mycorrhiza

B)

lichen

C)

bryophyta

D)

gymnosperm

View Answer
95) Asafoetida (heeng) obtains from :

A)

root secretion

B)

leaf

C)

seed

D)

fruit

View Answer
96) Which plant hormone promotes seed, bud dormancy and causes stomatal closure?

A)

IAA

B)

Abscisic acid

C)

GAI

D)

Cytokinin

View Answer
97) Viscum album grows on trees. This is an example of:

A)

symbiosis

B)

parasitism

C)

commensalism

D)

predation

View Answer
98) In addition to absence of chlorophyll what is the other difference between fungi and higher plants?

A)

Type of nutrition and composition of cell wall

B)

Cell type

C)

Nucleus

D)

Reproduction

View Answer
99) Ozone layer is depleted by :

A)

\[S{{O}_{2}},\text{ }N{{O}_{3}}\]

B)

\[CFC,\text{ }C{{H}_{4}},\text{ }{{N}_{2}}O\]

C)

\[CO,\text{ }C{{H}_{4}},\text{ }{{\text{O}}_{2}}\]

D)

\[N{{O}_{2}},\text{ }C{{O}_{2}}\]

View Answer
100) Which is an electron carrier common to both photosynthesis and respiration?

A)

Cytochrome

B)

Phytochrome

C)

Phaophytin

D)

Plastocynin

View Answer
101) Hesperidium of orange is a modification of:

A)

berry

B)

drupe

C)

pome

D)

aggregate fruit

View Answer
102) Quinine used for treatment of malarial fever extrected from :

A)

Atropa belladona

B)

Cinchona officinalis

C)

Aconitum napellus

D)

Rauwolffia serpentine

View Answer
103) Larger nucleus in a pollen grain is :

A)

tube nucleus

B)

sperm nucleus

C)

generative nucleus

D)

none of the above

View Answer
104) A pollutant can be best defined as it:

A)

has natural geochemical cycles

B)

changes homeostasis of environment

C)

disturb natural flora of a place

D)

become stabilized in ecosystem forever

View Answer
105) Enveloped virus enters into host cell by:

A)

injection own nucleic acid inside host cell

B)

by contact with cell receptor and endocytosis

C)

by phagocytosis

D)

fusion with the plasma membrane of host

View Answer
106) Most diverse organism of an ecosystem is :

A)

producer

B)

consumer

C)

decomposer

D)

carnivores

View Answer
107) Large size of pinae in animals of warm region in comparision to animal of cold region is due to law of:

A)

Dollos law

B)

Glogers law

C)

Copes law

D)

Allens rule

View Answer
108) Carthamus belong to family :

A)

Compositae

B)

Gramineae

C)

Liliaceae

D)

Solanaceae

View Answer
109) Restriction endonuclease cuts :

A)

one strand of DNA at specific site

B)

both strand of DNA

C)

both stands of DNA at any site

D)

single strand of RNA

View Answer
110) Photosynthetic products translocated in the form of:

A)

glucose

B)

sucrose

C)

maltose

D)

starch

View Answer
111) Raphides are crystals of:

A)

calcium carbonate

B)

calcium oxalate

C)

magnecium carbonate

D)

magnecium oxalate

View Answer
112) Number of meiosis for formation of 64 zygote in angiosperm is 80 but in gymnosperms number of meiosis for formation of 64 zygotes will:

A)

40

B)

80

C)

160

D)

20

View Answer
113) Catalytic converter in vehicle is used for controling :

A)

air pollution

B)

water pollution

C)

radioactive pollution

D)

soil pollution

View Answer
114) Monothecous anther is the characteristic of :

A)

Malvaceae

B)

Liliaceae

C)

Brassicaceae

D)

Solanaceae

View Answer
115) The onagrad type embryo development is found in:

A)

Solanum

B)

Capsella

C)

Lilium

D)

Hibiscus

View Answer
116) Rauwolfin obtains from which part of the plant?

A)

Stem

B)

Root

C)

Fruit

D)

Leaf

View Answer
117) Which type of placentation is -found in family Fabaceae?

A)

Axile

B)

Marginal

C)

Perietal

D)

Basal

View Answer
118) In meiotic division the DNA synthesis takes place in :

A)

S-phase

B)

S-phase or leptotene phase

C)

M-phase and zygotene

D)

all of the above

View Answer
119) Thigmotropism occur due to the :

A)

light

B)

contact

C)

temperature

D)

pressure

View Answer
120) The maximum amount of calcium pectate is present in :

A)

primary cell wall

B)

secondary cell wall

C)

middle lamella

D)

cell membrane

View Answer
121) The special structure present in \[{{C}_{4}}\] plants is:

A)

thin cuticle

B)

multi layered epidermis

C)

kranz type body

D)

one layered epidermis

View Answer
122) White rust of Brassica is caused by :

A)

Albugo Candida

B)

Ustilago

C)

Phytophthora

D)

none of these

View Answer
123) Function of rough endoplasmic reticulum is :

A)

fat synthesis

B)

protein synthesis

C)

starch synthesis

D)

autolysis

View Answer
124) Which one of the following is a viral causing disease?

A)

Leaf curl of papaya

B)

Red rot of sugarcane

C)

Black rust of wheat

D)

Late blight of potato

View Answer
125) Tetradynamous androecium is found in :

A)

mustard

B)

onion

C)

tomato

D)

sunflower

View Answer
126) In mitochondria, enzymes responsible for Krebs cycle are present in:

A)

matrix

B)

inner membrane

C)

outer membrane

D)

both (b) and (c)

View Answer
127) In ferns and mosses, movement of antherozoids towards female component is called :

A)

phototaxis

B)

chemotaxis

C)

hydrotropism

D)

thigmotropism

View Answer
128) Plasmid is a :

A)

fungus

B)

Plasrid

C)

pan of plasma membrane

D)

extra chromosomal DNA in bacterial cell

View Answer
129) The reason for apical dominance is:

A)

ethylene

B)

auxin

C)

cytokinin

D)

gibberellins

View Answer
130) A plant bearing different type of leaves is called:

A)

heierophylly

B)

heterotrophy

C)

heterozygosity

D)

heteronasty

View Answer
131) Avena curvature test is a bioassay for examining the activity of:

A)

auxins

B)

gibberellins

C)

cytokinins

D)

ethylene

View Answer
132) What is common between chloroplast chromoplasts and leucoplasts?

A)

Presenece of pigments

B)

Possession of thylakoids and grana

C)

Storage of starch, proteins and lipids

D)

Ability to multiply by a fission-like process

View Answer
133) Plants of which one of the following groups of genera are pollinated by the same agency ?

A)

Triticum, mussanda, Zea mays

B)

Kadam Cannabis

C)

Salvia, Calotropis. Rafflesia

D)

Salvia., Pinus, Ophrys

View Answer
134) The montreal protocol refers to :

A)

persistent organic pollutants

B)

global warming and climate change

C)

substances that deplete the ozone layer

D)

biosafety genetically modified organisms

View Answer
135) Keystone species deserve protection because these :

A)

are capable of surviving in harsh environmental condition

B)

indicate presence of certain minerals in the soil

C)

have become rare due to over exploitation

D)

play in important role in supporting other species

View Answer
136) Chief cell of gastric gland are :

A)

simple tubular

B)

coiled tubular

C)

branched tubular

D)

compound tubular

View Answer
137) Antennae of cockroach function as :

A)

tactile and sensory receptor

B)

gustatory receptor

C)

auditor) recepror

D)

olfactory receptor

View Answer
138) Diabetes insipedus is caused by the deficiency of hormone:

A)

insulin

B)

vasopressin

C)

glucagon

D)

oxytocin

View Answer
139) Type of sexual reproduction in protists, bearing diploid chromosome is :

A)

zygotic meiosis

B)

binary fission

C)

cyst formation

D)

gametangial meiosis

View Answer
140) Glomerular area of adrenal cortex is responsible for:

A)

water and electrolyte balance

B)

carbohydrate rpccabolism

C)

steroid and hormone secretion

D)

blood pressure

View Answer
141) Down syndrome is due to:

A)

trisomy of 13th chromosome

B)

non- disjunction of 21st chromosome

C)

trisomy of 18th chromosome

D)

fusion of normal sperm with egg having 2X

View Answer
142) Marine teleost fishes excrete :

A)

uric acid

B)

ammonia

C)

urea

D)

none of these

View Answer
143) Part of nephron impermeable to salt:

A)

distal convoluted tubules

B)

descending limb of loop of Henle

C)

assending limb of loop of Henle

D)

collecting duct

View Answer
144) Nodes of Ranvier are found in :

A)

non myelinated nerve fibres

B)

myelinated nerve fibres

C)

both (a) and (b)

D)

none of the above

View Answer
145) Myxoedema is a disorsder of:

A)

parathyroid gland

B)

adrenal gland

C)

pituitary gland

D)

thyroid gland

View Answer
146) SA node is located in :

A)

lower lateral wall of right atrium

B)

upper lateral wall of right atrium

C)

upper lateral wall of left atrium

D)

lower kitcral wall of left atrium

View Answer
147) Allergencs are:

A)

infectious and increases secretion of IgE

B)

non infectious and increases secretions of IgE

C)

infectious and increases secretion of IgG

D)

noninfectious and increases secretion IgM

View Answer
148)                            Mouth part of housefly are :

A)

siphoning type

B)

sponging type

C)

biting and chewing

D)

piercing and sucking

View Answer
149) Nissls granules are present in :

A)

RBC

B)

WBC

C)

Both (a) and (b)

D)

nerve cells

View Answer
150) Human dental formula is :

A)

\[\frac{3142}{3143}\]

B)

\[\frac{1003}{0003}\]

C)

\[\frac{2123}{2123}\]

D)

\[\frac{2143}{3143}\]

View Answer
151) Vitamin\[-{{B}_{12}}\] is available to ruminants by :

A)

plants

B)

micro-organisms in caecum

C)

animals

D)

all of the above

View Answer
152) Which is symbiont inside human intestine?

A)

Streptococcus pneumonia

B)

Neisseria meningitides

C)

E. coli

D)

Treponema pallidum

View Answer
153) Human population growth is :

A)

lag

B)

stationary

C)

exponential

D)

none of these

View Answer
154) Maximum noise permissible during day time     in residential areas :

A)

75 dB

B)

55 dB

C)

65 dB

D)

45 dB

View Answer
155) Trigeminal nerve m frog is of:

A)

4th

B)

5th

C)

8th

D)

9th

View Answer
156) Male and female cockroach is differs due to presence of absence of :

A)

anal cerci and anal style

B)

anal cerci

C)

anal style

D)

anal sitae

View Answer
157) Addison of which elements in water speed up the metamorphosis in frog tadpole larva?

A)

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

B)

K

C)

Na

D)

Cl

View Answer
158) Adrenaline and nor-adrenaline are hormones and acts as :

A)

energy producing agent

B)

food storage material

C)

neuro-transmitter

D)

energy storing substances

View Answer
159) Largest muscle in the human body is :

A)

sartorius

B)

gluteus

C)

stapedius

D)

masseter

View Answer
160) Blood vascular system of earthworm is :

A)

open type with Hb in RBC

B)

open type with Hb in plasma

C)

closed type with Hb in RBC

D)

closed type with Hb in plasma

View Answer
161) Which types of cells absent in sponges?

A)

Trophocytes

B)

Myocytes

C)

Archeocytes

D)

Cnidocytes

View Answer
162) Third moulting in Ascari.s larva takes place in :

A)

lung

B)

liver

C)

heart

D)

intestine

View Answer
163) Liver and pancreas is derivative of:

A)

ectoderm

B)

endoderm

C)

ectoderm and mesoderm

D)

ectoderm and endoderm

View Answer
164) An important evidence in favour of organic evolution is the occurrence of:

A)

homologous and vestigial organs

B)

analogous and vestigial organs

C)

homologous organs only

D)

homologous and analogous organs

View Answer
165) Which one of the following is not a living fossil?

A)

King crab

B)

Sphenodon

C)

Archaeopteryx

D)

Peripatus

View Answer
166) Which one of the following is a matching set of a phylum and its three examples?

A)

Cnidaria   - Bonellia, Physalia, Aurelia

B)

Platyhelminthes - Planaria, Schistosoma, Enterobius

C)

Mollusca     - Loligo, Teredo, Octopus

D)

Porifera - Spongilla, Euplectella,               Pennatula

View Answer
167) In Amoeba, osmoregulation takes place by :

A)

contractile vacuole

B)

ectoplasm

C)

pseudopodia

D)

hyaloplasm

View Answer
168) The infective stage ofPlasmodium in human is:

A)

sporozoite

B)

trophozoite

C)

gametocyte

D)

merozoite

View Answer
169) Chitin as exoskeleton found in :

A)

Periplaneta

B)

Ascaris

C)

Pheretima

D)

Hydra

View Answer
170) Pseudocoel is present in :

A)

Periplaneta

B)

Ascaris

C)

Pheretima

D)

Hydra

View Answer
171) Metameric segmentation is the main feature of:

A)

Annelida

B)

Echinodermata

C)

Arthropoda

D)

Coelenterata

View Answer
172) Nemaroblasts are formed by ;

A)

interstitial cells

B)

glands cells

C)

mesoepithelial cells

D)

nerve cells

View Answer
173) Which is not correct for birds?

A)

Exothermic

B)

Pneumatic bones

C)

Lung with air sacs

D)

Amniotes

View Answer
174) Which character is not same in Aves and mammals?

A)

Single systemic arch

B)

Metanephric kidney

C)

Seven cervical vertebrae

D)

Homeotherms

View Answer
175) Solenocytes and nephridia are respectively found in :

A)

Platyhelminth and Annelids

B)

Annelids and Nematoda

C)

Cendaria and Mollusca

D)

Mollusca and Echinodermata

View Answer
176) Post ganglionic nerve fibres of sympathetic system are :

A)

adrenergic

B)

cholinergic

C)

both (a) and (b)

D)

none of these

View Answer
177) Which is not used up in human body?

A)

Calcium

B)

Phosphorus

C)

Zinc

D)

Barium

View Answer
178) Ichthyophis belongs to:

A)

Mammalia

B)

Reptilia

C)

Amphibia

D)

Aves

View Answer
179) The supporting and nutritive cells found in the brain are :

A)

ependymal cells

B)

microglia

C)

astrocytes

D)

oligodendrocytes

View Answer
180) Prolonged deficiency of thiamine in human diet may lead to :

A)

pellegra

B)

beri-beri

C)

anaemia

D)

Haemorrhage

View Answer

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done Haryana PMT Solved Paper-2006 Total Questions - 180

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Haryana PMT Solved Paper-2006 Total Questions - 180