Solved papers for Haryana PMT Haryana PMT Solved Paper-2009

Haryana PMT Solved Paper-2009 Total Questions - 180

1) Interference may be seen using two independent

A)

sodium lamps

B)

fluorescent tubes

C)

lasers

D)

mercury vapour lamps

View Answer
2) The focal lengths of the objective and the eye piece of telescope are 100 cm and 10 cm respectively. The magnification of the telescope when final image is formed at infinity is

A)

0.1

B)

10

C)

100

D)

\[\infty \]

View Answer
3) An electromagnetic wave has

A)

electric vector only

B)

magnetic vector only

C)

electric and magnetic vectors perpendicular to each other

D)

neither the electric vector nor the magnetic vector

View Answer
4) 160W-60V lamp is connected at 60 V DC supply. The number of electrons passing through the lamp in 1 min is

A)

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

B)

\[{{10}^{21}}\]

C)

\[1.6\times {{10}^{19}}\]

D)

\[1.4\times {{10}^{20}}\]

View Answer
5) If a current is allowed to pass through a circuit consisting of two dissimilar metals, there is either evolution or absorption of heat at the junction, depending upon the direction of the current. The effect is known as

A)

See back effect

B)

Joule effect

C)

Peltier effect

D)

Thomson effect

View Answer
6) The energy of an X-ray photon of wavelength\[1\overset{\text{0}}{\mathop{\text{A}}}\,\,\text{is}\,\text{(h=6}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{34}}}\text{J-s)}\]

A)

24.6 keV

B)

6.1 keV

C)

12.3 keV

D)

1.2 keV

View Answer
7) Gravitational field is

A)

conservative

B)

non-conservative

C)

electromagnetic

D)

magnetic

View Answer
8) According to Maxwells law of distribution of velocities of molecules, the most probable velocity is

A)

greater than the mean velocity

B)

equal to the mean velocity

C)

equal to the root mean square velocity

D)

less than the root mean square velocity

View Answer
9) The photons in a radio wave of wavelength \[3\times {{10}^{4}}cm\] have energy

A)

\[6.62\times {{10}^{-}}^{10}J\]

B)

\[19.86\times {{10}^{-}}^{24}J\]

C)

\[6.62\times {{10}^{-}}^{28}J\]

D)

\[2.2\times {{10}^{-}}^{35}J\]

View Answer
10) According to Bohrs theory of hydrogen atom, for the electron in the \[{{n}^{th}}\] allowed orbit the (i) linear momentum is proportional to 1/\[n\] (ii) radius is proportional to \[n\] (iii) kinetic energy is proportional to 1/\[n\]2 (iv) angular momentum is proportional to \[n\] Choose the correct option from the codes given below:

A)

(i), (iii), (iv)

B)

(i)

C)

(i), (ii)

D)

(iii)

View Answer
11) In the circuit shown the equivalent resistance between A and B is

A)

27 \[\Omega \]

B)

18 \[\Omega \]

C)

90\[\Omega \]

D)

3\[\Omega \]

View Answer
12) When two sinusoidal waves moving at right angle to each other superimpose, they produce

A)

beats

B)

interference

C)

stationary waves

D)

Lissajous figure

View Answer
13) Each of the properties if sound in List-1 primarily depends on one .f the quantities in List-11. Select the correct answer (matching List-1 with List-11) as per code given below the lists:

List-I List-II

(A) Loudness (1) Waveform

(B) Pitch (2) Frequency

(C) Quality (3) Intensity

Codes:

A)

A-1       B-2        3

B)

A-3        B-2        1

C)

A-2       B- 3         1

D)

A-2      B- 1        3

View Answer
14) One of the causes of the breadth of the spectral lines is

A)

Dopplers effect

B)

dispersion

C)

reflection

D)

refraction

View Answer
15) In a stationary wave represented by \[\text{Y=2acoskxsin }\!\!\omega\!\!\text{ t}\]the intensity at a certain point is maximum when

A)

\[\cos kx\] is maximum

B)

\[\cos kx\] is minimum

C)

sin \[\omega t\] is maximum

D)

sin \[\omega t\] is minimum

View Answer
16) If a big drop of water is broken into smaller drops the surface energy

A)

increases

B)

decreases

C)

remains unchanged

D)

can increase as well as decrease

View Answer
17) Consider the mechanical vibrating systems shown in figures A, B, C and D

The vibrations are simple harmonic in

A)

A, C

B)

A, B, C

C)

B, D

D)

A, B, C, D

View Answer
18) If the differential equation given by \[\frac{{{d}^{2}}y}{d{{t}^{2}}}+\,2K\frac{dy}{dt}+\,{{\omega }^{2}}y={{F}_{0}}\sin pt\]describes the oscillatory motion of body in a dissipative medium under the influence of a periodic force, then the state of maximum amplitude of the oscillation is a measure of

A)

free vibration

B)

damped vibration

C)

forced vibration

D)

resonance

View Answer
19) A grating which would be most suitable for constructing a spectrometer for the visible and ultraviolet region, should have

A)

100 lines/cm

B)

1000 lines/cm

C)

10000 lines/cm

D)

1000000 lines/cm

View Answer
20) Damping on sharpness of resonance has

A)

no effect

B)

more damping, sharper resonance

C)

less damping, sharper resonance

D)

less damping, less sharp resonance

View Answer
21) A superconducting material is

A)

ferromagnetic

B)

ferroelectric

C)

diamagnetic

D)

paramagnetic

View Answer
22) If the free electron density be n and relaxation time be t, the electrical conductivity of a conductor may be expressed as

A)

\[\frac{ne\tau }{{{m}_{e}}}\]

B)

\[\frac{n{{e}^{2}}\tau }{{{m}_{e}}}\]

C)

\[\frac{n{{e}^{2}}}{\tau {{m}_{e}}}\]

D)

\[\frac{{{m}_{e}}{{e}^{2}}\tau }{n}\]

View Answer
23) The spacing between the principal planes of a crystal is \[4\overset{\text{o}}{\mathop{\text{A}}}\,\]. It is found that first order bragg reflection of a beam of monochromatic X-rays occurs at an angle of 30°. The wavelength of X-rays is

A)

\[4\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[2\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[1\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[1.5\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
24) An ideal gas is allowed to expand freely against a vacuum in a rigid insulated container. The gas undergoes

A)

an increase in its internal energy

B)

a decrease in its internal energy

C)

neither an increase nor a decrease in its temperature or internal energy

D)

a decrease in temperature

View Answer
25) The relation between electric field vector \[\overrightarrow{\text{E,}}\] the displacement vector \[\overrightarrow{D,}\] and the polarization vector \[\overrightarrow{P,}\] for a dielectric placed in electric field \[\overrightarrow{E,}\] is given by

A)

\[\overrightarrow{\text{P}}={{\text{ }\!\!\varepsilon\!\!\text{ }}_{\text{0}}}\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{D}}\]

B)

\[\overrightarrow{\text{P}}=\overrightarrow{\text{D}}\text{+}\overrightarrow{\text{E}}\]

C)

\[\overrightarrow{\text{D}}={{\text{ }\!\!\varepsilon\!\!\text{ }}_{\text{0}}}\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{P}}\]

D)

\[\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{D}}\text{=}\overrightarrow{\text{P}}\]

View Answer
26) If Youngs modulus of elasticity Y for a material is one and half times its rigidity coefficient \[n\], the Poisson ratio a will be

A)

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

B)

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

C)

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

D)

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

View Answer
27) Which one of the following is not a fundamental SI unit?

A)

Ampere

B)

Candela

C)

Newton

D)

Kelvin

View Answer
28) The formula for horizontal range of a projectile is \[S=\frac{{{v}^{2}}{{\sin }^{2}}\theta }{2g}\] where v is initial speed, \[\theta \] angle of inclination and g is acceleration due to gravity. The Wheatstone bridge shown in figure can be used to determine the range if the following arrangement is made

A)

Q proportional to \[{{v}^{2}}\] P proportional to g R proportional to \[si{{n}^{2}}\] \[\theta \]

B)

Q proportional to g P proportional to \[{{v}^{2}}\] R proportional to \[si{{n}^{2}}\]\[\theta \]

C)

Q proportional to g P proportional to sin2 \[\theta \] R proportional to \[{{v}^{2}}\]

D)

Q proportional to \[si{{n}^{2}}\] 6 P proportional to \[{{v}^{2}}\] R proportional to g

View Answer
29) One Becquerel is defined as

A)

1 disintegration per sec

B)

\[{{010}^{6}}\] disintegration per sec

C)

\[3.7\times {{10}^{10}}\] disintegration per sec

D)

\[{{10}^{3}}\]disintegration per sec

View Answer
30) The shortest wavelength which can be obtained in hydrogen spectrum is \[(R={{10}^{7}}{{m}^{-1}})\]

A)

\[1000\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[800\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[1300\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[2100\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
31) In an ideal choke, ratio of its inductance L to its DC resistance R is

A)

infinity

B)

zero

C)

unity

D)

hundred

View Answer
32) A transformer is often filled with oil. The oil used should have

A)

low viscosity

B)

high dielectric strength

C)

low boiling point

D)

high thermal conducting

View Answer
33) For the circuit shown in figure the potential difference between A and B will be (in volt)

A)

2

B)

1.5

C)

1.0

D)

zero

View Answer
34) An electron microscope is superior to an optical microscope in

A)

having better resolving power

B)

being easy to handle

C)

low cost

D)

quickness of observation

View Answer
35) A zener diode is used for

A)

rectification

B)

modulation

C)

detection

D)

voltage regulation

View Answer
36) A black body at a temperature of \[227{}^\circ C\] radiates heat at the rate of 5 cal cm\[^{-2}{{s}^{-1.}}.\] At a temperature of \[727{}^\circ C\] the rate of heat radiated per unit area in cal cm\[^{-2}{{s}^{-1.}}\] is

A)

400

B)

80

C)

40

D)

15

View Answer
37) With the rise of temperature the resistivity of a semiconductor

A)

remains unchanged

B)

increases

C)

decreases

D)

first increases and then decreases

View Answer
38) The terminal velocity of spherical ball of radius a falling through \[a\] viscous liquid is proportional to

A)

\[a\]

B)

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

C)

\[{{a}^{3}}\]

D)

\[{{a}^{-1}}\]

View Answer
39) The physical quantity which is not a unit of energy is

A)

volt-coulomb

B)

MeV-sec

C)

henry (ampere)2

D)

ferad-(volt)2

View Answer
40) 40. The above figure shows electric field E at a distance r in any direction from the origin O. The electric field E is due to

A)

a charged hollow metallic sphere of radius OP with centre at O

B)

a charged solid metallic sphere of radius OP with centre at O

C)

a uniformly charged non-conducting sphere of radius OP with centre at O

D)

a uniformly charged non-conducting hollow sphere of radius OP with centre at O

View Answer
41) 41. Good emitters are good absorbers is a statement concluded from

A)

Newtons law of cooling

B)

Stefans law of radiation

C)

Provosts theory

D)

Kirchhoffs law

View Answer
42) 42.          In a photoelectric experiment the relation between applied potential difference between cathode and anode V and the photoelectric                current I was found to be shown in graph below. If Plancks constant \[h=6.6\times {{10}^{-34}}J-s,\]the frequency of incident radiation would be nearly (in \[{{s}^{-1}}\])

A)

\[0.436\times {{10}^{18}}\]

B)

\[0.436\times {{10}^{17}}\]

C)

\[0.775\times {{10}^{15}}\]

D)

\[0.775\times {{10}^{16}}\]

View Answer
43) 43.     For hydrogen atom electron in \[{{\text{n}}^{\text{th}}}\] Bohr orbit, the ratio of radius of orbit to its de-Broglie                 wavelength is

A)

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

B)

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

C)

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

D)

\[\frac{1}{2\pi {{n}^{2}}}\]

View Answer
44) 44. If the B-H curves of two samples of P and Q of iron are as shown below, then which one of the following statements is correct?

A)

Both P and Q are suitable for making permanent magnet

B)

P is suitable for making permanent magnet and Q for making electromagnet

C)

P is suitable for making electromagnet and Q is suitable for permanent magnet

D)

Both P and Q are suitable for making electromagnets

View Answer
45) 45.          A current passing through a coil of self-inductance of 2 mH changes at the rate of 20 mA s-1. The emf induced in the coil is

A)

\[\text{10 }\!\!\mu\!\!\text{ V}\]

B)

\[\text{40 }\!\!\mu\!\!\text{ V}\]

C)

\[\text{10mV}\]

D)

\[\text{10mV}\]

View Answer
46) In the electrolytic cell electron flows from

A)

cathode to anode in solution

B)

cathode to anode through external circuit

C)

cathode to anode through internal circuit

D)

anode to cathode through external circuit

View Answer
47) In first order reaction, the concentration of reactant decreases from \[800mol\text{ }c{{m}^{-3}}\] to \[50mol\text{ }c{{m}^{-3}}\]in \[2\times {{10}^{4}}s\]. The rate constant is

A)

\[2\times {{10}^{4}}{{s}^{-1}}\]

B)

\[3.45\times {{10}^{-5}}\,{{s}^{-1}}\]

C)

\[1.386\times {{10}^{-4}}\,{{s}^{-1}}\]

D)

\[2\times {{10}^{-4}}{{s}^{-1}}\]

View Answer
48) \[{{H}_{3}}B{{O}_{3}}\] is

A)

mono basic acid and weak Lewis acid

B)

mono basic and weak Bronsted acid

C)

mono basic and strong Lewis acid

D)

tri basic and weak Bronsted acid

View Answer
49) During depression of freezing point in a solution, the following are in equilibrium

A)

liquid solvent-solid solvent

B)

liquid solute-solid solute

C)

liquid solute-solid solvent

D)

liquid solvent-solid solute

View Answer
50) Benzamide on reaction with \[POC{{l}_{3}}\] gives

A)

aniline

B)

chlorobenzene

C)

phenyl amine

D)

phenyl nitrile

View Answer
51) The acid having \[O-O\] bond is

A)

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

B)

\[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]

C)

\[{{H}_{2}}{{S}_{2}}{{O}_{8}}\]

D)

\[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]

View Answer
52) A sodium salt on treatment with \[MgC{{l}_{2}}\] gives white precipitate on heating. The anion of sodium salt is

A)

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

B)

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

C)

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

D)

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

View Answer
53) According to molecular orbital theory which is correct statement regarding \[{{O}_{2}}\]?

A)

Paramagnetic and bond order \[<O_{2}^{-}\]

B)

Paramagnetic and bond order \[>O_{2}^{-}\]

C)

Diamagnetic and bond order \[<O_{2}^{-}\]

D)

Diamagnetic and bond order \[>O_{2}^{-}\]

View Answer
54) Adsorption of gases on solid surface is exothermic since

A)

enthalpy is positive

B)

entropy is negative

C)

entropy increases

D)

free energy increases

View Answer
55) Which of the following is not oxidised by ozone?

A)

\[KI\]

B)

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

C)

\[KMn{{O}_{4}}~\]

D)

\[{{K}_{2}}Mn{{O}_{4}}\]

View Answer
56) Which is necessary for conversion of butane-2-one into propanoic acid?

A)

Tollen reagent

B)

Fehling solution

C)

\[NaOH/{{I}_{2}}/{{H}^{+}}\]

D)

\[NaOH/NaI/{{H}^{+}}\]

View Answer
57) When phenyl magnesium bromide ^reacted with ethyl alcohol, product is

A)

phenol

B)

r-butyl benzene

C)

benzene

D)

t-butyl phenyl ether

View Answer
58) The number of radial nodes of 3s and 2p orbital are

A)

\[2,0\]

B)

\[0,2\]

C)

\[1,2\]

D)

\[2,1\]

View Answer
59) The ratio of rates of diffusion of helium and methane under same conditions of temperature and pressure will be

A)

\[4:1\]

B)

\[2:1\]

C)

\[1:1\]

D)

\[1:2\]

View Answer
60) A metal nitrate reacts with \[KI\] to give black precipitate which turns to orange on addition of \[KI\]. Metal is

A)

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

B)

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

C)

\[P{{b}^{2+}}\]

D)

\[C{{u}^{+}}\]

View Answer
61) 2-acetoxy benzoic acid is

A)

antiseptic

B)

antibiotic

C)

dye

D)

aspirin

View Answer
62) Silica is soluble in

A)

\[HCl\]

B)

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

C)

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

D)

\[HF\]

View Answer
63) The use of alums in purifying muddy water involves

A)

absorption

B)

adsorption

C)

dialysis

D)

coagulation

View Answer
64) Which type of metal form effective catalyst?

A)

Alkali metal

B)

Transition metal

C)

Alkaline earth metal

D)

Radioactive metal

View Answer
65) The rusting of iron is catalysed by

A)

\[Fe\]

B)

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

C)

\[{{H}^{+}}\]

D)

\[Zn\]

View Answer
66) IUPAC name of the following compound is\[\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\]

A)

1,2,3,-tricyanopropane

B)

1,2,3-cyanopropane

C)

1,2, 3-propanetrinitrile

D)

3-cyano-l, 5-dinitrile

View Answer
67) Standard free energy change for an equilibrium is zero, the value of \[{{K}_{p}}\] is

A)

zero

B)

\[1\]

C)

\[2\]

D)

\[100\]

View Answer
68) Hydrolysis of \[PC{{l}_{5}}\] gives

A)

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

B)

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

C)

\[{{H}_{3}}P{{O}_{2}}\]

D)

\[{{H}_{3}}P{{O}_{4}}\]

View Answer
69) Which is responsible for green house effect?

A)

Methane

B)

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

C)

\[CO\]

D)

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

View Answer
70) In solid \[CuS{{O}_{4}}\]. \[5{{H}_{2}}O\] copper is coordinated to number of water molecules

A)

\[5\]

B)

\[4\]

C)

\[1\]

D)

\[2\]

View Answer
71) Most stable carbonium ion is

A)

\[p-N{{O}_{2}}-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]

B)

\[{{C}_{6}}{{H}_{5}}CH_{2}^{+}\]

C)

\[p-Cl-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]

D)

\[p-C{{H}_{3}}O-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]

View Answer
72) \[0.2\text{ }molal\]acid HX ionises \[20%\]. \[{{k}_{f}}\]for acid is \[1.86\]\[molalit{{y}^{-1}}\]. Freezing point is

A)

\[-0.45\]

B)

\[-0.50\]

C)

\[-0.31\]

D)

\[-0.53\]

View Answer
73) Natural rubber is polymer of

A)

trans -isoprene

B)

cis-isoprene

C)

mixture of cis and trans-isoprene

D)

None of the above

View Answer
74) The most stable conformation of n-butane is

A)

skew

B)

eclipsed

C)

staggered

D)

None of these

View Answer
75) Antidote for carbon monoxide is

A)

carborundum

B)

carbogen

C)

carbonic acid

D)

pure oxygen

View Answer
76) Among the following, the molecule with highest dipole moment is

A)

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

B)

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

C)

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

D)

\[CC{{l}_{4}}\]

View Answer
77) Which are isoelectronic and is structural?

A)

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

B)

\[S{{O}_{3}},NO_{3}^{-}\]

C)

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

D)

\[CO_{3}^{2-},S{{O}_{3}}\]

View Answer
78) The species having tetrahedral shape is

A)

\[{{[PdC{{l}_{4}}]}^{2-}}\]

B)

\[[Ni(CN)]_{4}^{2-}\]

C)

\[{{[Pd{{(CN)}_{4}}]}^{2-}}\]

D)

\[{{[NiC{{l}_{4}}]}^{2-}}\]

View Answer
79) Total number of lone pairs of electrons on Xe in \[XeO{{F}_{4}}\]is

A)

\[0\]

B)

\[1\]

C)

\[2\]

D)

\[3\]

View Answer
80) The number of nodal planes in \[{{p}_{x}}\]. orbital is

A)

\[1\]

B)

\[2\]

C)

\[3\]

D)

\[0\]

View Answer
81) Which has the highest nucleophilicity?

A)

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

B)

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

C)

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

D)

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

View Answer
82) Which will exhibit geometrical isomerism?

A)

3-phenyl-l-butene

B)

1-phenyl-2-butene

C)

2-phenyl-l-butene

D)

1, 1-diphenyl-l-propene

View Answer
83) Which is the most thermodynamically stable allotropic form of phosphorus?

A)

Red

B)

White

C)

Black

D)

Yellow

View Answer
84) When \[Pb{{O}_{2}}\] reacts with cone \[HN{{O}_{3}}\], the gas evolved is

A)

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

B)

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

C)

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

D)

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

View Answer
85) In which crystal alternate tetrahedral voids are occupied?

A)

\[NaCl\]

B)

\[Ca{{F}_{2}}\]

C)

\[ZnS\]

D)

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

View Answer
86) In thermodynamics, a process is called reversible when

A)

surrounding and system change into each other

B)

there is no boundary between system and surrounding

C)

the surrounding are always in equilibrium with the system

D)

the system changes into surrounding spontaneously

View Answer
87) In the standardisation of \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]using \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]by iodometry, the equivalent weight of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is

A)

\[\frac{molecular\text{ }weight}{2}\]

B)

\[\frac{molecular\text{ }weight}{6}\]

C)

\[\frac{molecular\text{ }weight}{3}\]

D)

same as molecular weight

View Answer
88) The correct order of first ionisatibn potential is

A)

\[K>Na>Li\]

B)

\[Be>Mg>Ca\]

C)

\[B>C>N\]

D)

\[Ge>Si>C\]

View Answer
89) The slag formed in extraction of copper is

A)

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

B)

\[C{{u}_{2}}O+FeS\]

C)

\[C{{u}_{2}}S+FeO\]

D)

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

View Answer
90) The root mean square velocity of ideal gas at constant pressure varies with density as

A)

\[{{d}^{2}}\]

B)

\[d\]

C)

\[\sqrt{d}\]

D)

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

View Answer
91) Insectivorous plant grow generally in soil that are deficient in

A)

water

B)

nitrogen

C)

potassium

D)

calcium

View Answer
92) While entering in the neck of a fern archegonium, sperm shows

A)

phototaxy

B)

chemotaxy

C)

thermotaxy

D)

cyclosis

View Answer
93) Plants which flower only once in their life are termed as

A)

monochlamydous

B)

monocious

C)

monocarpic

D)

monosomic

View Answer
94) Triticum vulgare has been found to be presently evolved as

A)

diploid

B)

tetraploid

C)

pentaploid

D)

hexaploid

View Answer
95) Which of the following clogs the cavity of the xylem vessels ?

A)

Tyiosis

B)

Cystolith

C)

Hydathode

D)

Raphide

View Answer
96) Which of the following has multiflagellate sperms?

A)

Equisetum

B)

Riccia

C)

Lycopodium

D)

Anthoceros

View Answer
97) Which of the following is known as bog moss?

A)

Polytrichum

B)

Funaria

C)

Sphagnum

D)

Porella

View Answer
98) Which of the following is known as bog moss?

A)

Pinus

B)

Rhynia

C)

Gnetum

D)

Ginkgo

View Answer
99) Which of following is connecting link between glycolysis and Krebs cycle?

A)

Pyruvic acid

B)

Isocitric acid

C)

Acetyle Co-A

D)

Phosphoglyceric acid

View Answer
100) The respirator) process of yeast is

A)

rarely anaerobic

B)

anaerobic

C)

purely aerobic

D)

Both (a) and (b)

View Answer
101) Which of the following is important source of edible protein ?

A)

Spirogyra

B)

Porphyra

C)

Spirulina

D)

Cephaleuros

View Answer
102) The male gametophyte in angiosperm is reduced to

A)

one cell

B)

two cells

C)

three cells

D)

four cells

View Answer
103) Recently discovered anti-cancer drug is obtained from

A)

Taxus

B)

Tagetes

C)

Tamarix

D)

Thea

View Answer
104) The plant hormone produced by Rhizobium for nodulation is

A)

IBA

B)

NAA

C)

2,4-D

D)

IAA

View Answer
105) The tunica-corpus theory was proposed by

A)

Hofmeister

B)

Nageli

C)

Strasburger

D)

Schmidt

View Answer
106) The part of castor seed that yields oil is

A)

cotyledon

B)

caruncle

C)

endosperm

D)

nucellus

View Answer
107) The character found only in halophytes is

A)

sunken stomata

B)

vivipary

C)

velamen tissue

D)

heterophylly

View Answer
108) A hyaline bisexual and self-fertilized flower that does not open at all is

A)

chasmogamaus

B)

apogamous

C)

cleistogamous

D)

polygamous

View Answer
109) Modification of petiole into leaf like structure is called

A)

cladode

B)

phylloclade

C)

phyllode

D)

pistillode

View Answer
110) Which one of the following is a pseudocarp?

A)

Apple

B)

Guava

C)

Tomato

D)

Banana

View Answer
111) The part of the flower of Crocus that yields saffron is

A)

calyx

B)

corolla

C)

perianth

D)

style and stigma

View Answer
112) Largest moss is

A)

Pogonatum

B)

Funaria

C)

Dawsonia

D)

Polytrichum

View Answer
113) Oil is reserve food in

A)

Chlamydomonas

B)

Oedogonium

C)

Vaucheria

D)

Chara

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

A)

Viruses are obligate parasites

B)

All fungi are pathogenic

C)

All algae are eukaryotes

D)

Bacteria are always harmful to mankind

View Answer
115) Late blight of potato is caused by

A)

Cystopus

B)

Phytophthora

C)

Alternaria

D)

Ustilago

View Answer
116) Viruses contain

A)

only RNA

B)

only DNA

C)

either DNA or RNA

D)

neither DNA nor RNA

View Answer
117) The fungus without mycelium is

A)

Puccmia

B)

Phytophthora

C)

Rhizopus

D)

Saccharomyces

View Answer
118) A T-series bacteriophage can be recognized by its

A)

tadpole shape

B)

rounded shape

C)

irregular shape

D)

rhomboidal shape

View Answer
119) In gymnosperms, the seeds are naked because they lack

A)

integument

B)

nucellus

C)

pericarp

D)

perianth

View Answer
120) The smallest free living organism is

A)

virus

B)

mycoplasma

C)

diatom

D)

cyano bacterium

View Answer
121) Name the fungus that is edible

A)

Penidllium

B)

Mucor

C)

Rhizopus

D)

Morchella

View Answer
122) Characters of both conifers and cycads are found in

A)

Ginkgo

B)

Ephedra

C)

Cupressus

D)

Tsuga

View Answer
123) Cork is obtained from

A)

Quercus suber

B)

Pinus roxburghii

C)

Cedrus deodara

D)

Mangifera indica

View Answer
124) The number of ATP molecules required to initiate (3-oxidation is

A)

1

B)

2

C)

3

D)

4

View Answer
125) Sprouting of potato under storage condition can be prevented by

A)

auxin

B)

gibberellin

C)

ethylene

D)

cytokinin

View Answer
126) The components of PS-I are located on the

A)

stroma

B)

stroma thylakoid

C)

granum thylakoid

D)

outer surface of stromal and granal thylakoid

View Answer
127) Photolysis of water during photosynthesis occurs with the help of

A)

PS-II

B)

PS-I

C)

ferredoxin

D)

cytochrome

View Answer
128) The lock and key theory of enzyme structure and function was proposed by

A)

Morgan

B)

Robertson

C)

Brown

D)

Fischer

View Answer
129) For good growth of pollen tube, necessary element is

A)

Ca

B)

B

C)

Mg

D)

Mo

View Answer
130) The     organelle     associated     with photorespiration is

A)

lysosome

B)

peroxisome

C)

glyoxysome

D)

spherosome

View Answer
131) The mutagenic agent among following is

A)

ethyl methane

B)

ethylene

C)

2, 4-D

D)

IAA

View Answer
132) The number of bases per helical turn in ZDNA is

A)

10

B)

11

C)

12

D)

13

View Answer
133) Ribosomal RNA (rRNA) is synthesized in

A)

nucleolus

B)

nucleosome

C)

cytoplasm

D)

ribosome

View Answer
134) Green-house effect with respect to global climate refers to

A)

cooling and moist condition

B)

warming effect

C)

increase rainfall and greenery

D)

desertification

View Answer
135) Plant length is increased by

A)

apical meristem

B)

lateral meristem

C)

dermatogens

D)

periblem

View Answer
136) Contractile vacuoles in Protozoa serve the purpose of

A)

water circulation

B)

digestion

C)

osmoregularion

D)

excretion

View Answer
137) A cell organelle that is exceptionally rich in hydrolytic enzymes is

A)

ribosome

B)

endoplasmic reticulum

C)

lysosome

D)

mitochondria

View Answer
138) Pearls are produced by the animals of phylum

A)

Annelida

B)

Arthropoda

C)

Mollusca

D)

Echinodermata

View Answer
139) An analysis of a DNA (double stranded) sample yielded 18% cytosine. What would be the percentage of other base ion this sample?

A)

T-32%, A-32%, G-18%

B)

T-32%, A-18%, G-32%

C)

T-18%, A-32%, G-32%

D)

T-40%, A-22%, G-20%

View Answer
140) Which of the following is not related to sex chromosome X or Y?

A)

Turners syndrome

B)

Klinefelters syndrome

C)

Downs syndrome

D)

Haemophilia and colour blindness

View Answer
141) Which of the following is a part of pectoral girdle?

A)

Ilium

B)

Ischium

C)

Acetabulum

D)

Glenoid cavity

View Answer
142) Gir sanctuary is mainly for

A)

rhino

B)

tiger

C)

lion

D)

elephant

View Answer
143) Which of the following organs is called the graveyard of RBCs?

A)

Thymus

B)

Liver

C)

Spleen

D)

Kidney

View Answer
144) Cyanides like KCN, NaCN are lethal to humans because they

A)

interfere with protein synthesis

B)

stop the electron transport chain in the last step by combining with cytochrome oxidase

C)

stop DNA-replication

D)

induce accumulation of waste materials inside the cell

View Answer
145) Which one is an iron storage protein?

A)

Myosin

B)

Glutelin

C)

Ferritine

D)

Immunoglobulin

View Answer
146) The genetic material of AIDS virus in

A)

double stranded DNA

B)

double stranded RNA

C)

single stranded RNA

D)

single stranded DNA

View Answer
147) Lac is produced by lac insect as

A)

secretion from the body

B)

excretion from the body

C)

faecal matter

D)

excess food oozing out of body

View Answer
148) Water vascular system is characteristic of

A)

Protozoa

B)

Porifera

C)

Annelida

D)

Echinodermata

View Answer
149) Science, which deals with the study of ageing is known as

A)

Teratology

B)

Gerontology

C)

Limnology

D)

Palaeontology

View Answer
150) Taxonomically, which of the following set is matched correctly?

A)

Cattle fish, jelly fish, silver fish

B)

Bat, pigeon, kite

C)

Lobsters, spider, shrimps

D)

Oyster, otter, Octopus

View Answer
151) Which of the following is not a restriction endonuclease?

A)

EcoRI

B)

Hind-III

C)

Pst-I

D)

DNAse-I

View Answer
152) Who proposed theory of imprinting?

A)

Niko Tinbergen

B)

Charles Darwin

C)

Konrad Lorenz

D)

Karl Van Frish

View Answer
153) Which of the following has a triple helix structure?

A)

Haemoglobin

B)

Keratin

C)

Lysozyme

D)

Collagen

View Answer
154) Which of the following statement is true?

A)

Saltatory conduction is seen in non-myelinated nerve fibres

B)

Nissls granules are found in muscle fibres

C)

Non-myelinated nerve fibres do not possess nodes of Ranvier

D)

Non-myelinated nerve fibres are completely enclosed by myelin sheath

View Answer
155) Which combination is mismatched?

A)

Vitamin-D-Rickets

B)

Thiamine-Beri-beri

C)

Vitamin-K-Sterility

D)

Niacin-Pellagra

View Answer
156) Which of the following gases does not cause acid rain?

A)

Sulphur dioxide

B)

Methane

C)

Nitrous oxide

D)

Carbon monoxide

View Answer
157) Five-kingdom scheme to classify living beings has been proposed by

A)

J B S Haldane

B)

G G Simpson

C)

E Mayr

D)

RH Whittaker

View Answer
158) Sea horse is

A)

a bird

B)

a mammal

C)

an amphibian

D)

a fish

View Answer
159) The centrum of eighth vertebra of frog is

A)

procoelous

B)

heterocoelous

C)

amphicoelous

D)

opisthocoelous

View Answer
160) The terminal end of chromosomes is called

A)

centromere

B)

telomere

C)

chromomere

D)

metamere

View Answer
161) Which one of the following animals lay eggs yet the female secretes milk?

A)

Bat

B)

Kangaroo

C)

Platypus

D)

Ostrich

View Answer
162) Which one of the following amino acids is not found in proteins?

A)

Arginine

B)

Ornithine

C)

Aspartic acid

D)

Tyrosine

View Answer
163) In human eyes, colour perception is done by

A)

rod cells only

B)

cone cells only

C)

Both (a) and (b)

D)

choroid layer cells

View Answer
164) ADH regulates the permeability of

A)

proximal convoluted tubule

B)

collecting tubule and distal convoluted tubule

C)

ascending limb of loop of Henie

D)

descending limb of loop of Henie

View Answer
165) Which of the following embryonic membranes structure is excretory in function?

A)

Amnion

B)

Allantois

C)

Yolk sac

D)

Vitelline chorion

View Answer
166) Which of the following is a mismatch?

A)

Giraffe                                 Lamarck

B)

Drosophila                         Morgan

C)

Galapagos island             Darwins finches

D)

Origin of species              Mendel

View Answer
167) Most of the carbon dioxide is transported in blood as

A)

a gas

B)

carbaminohaemoglobin

C)

serum carbaminoproteins

D)

HCOl

View Answer
168) Which of the following type of cartilage is found in intervertebral disc of mammal?

A)

Hyaline cartilage

B)

Fibrous cartilage

C)

Calcified cartilage

D)

Elastic cartilage

View Answer
169) Archaeopteryx is

A)

a living fossil

B)

a mammal

C)

aconnecting link between Annelida and Arthropoda

D)

a connecting link between reptiles and birds

View Answer
170) Ink glands are found in

A)

sponge

B)

star fish

C)

sepia

D)

jelly fish

View Answer
171) Which of the following is a harmful social insect?

A)

Termite

B)

Bombyx mori

C)

Tachardia lacca

D)

Apis indica

View Answer
172) The largest endangered bird in India is

A)

vulture

B)

flamingo

C)

great Indian bustard

D)

great Indian hornbill

View Answer
173) A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be

A)

\[XX\] and \[{{X}^{h}}Y\]

B)

\[{{X}^{h}}Y\] and \[{{X}^{h}}Y\]

C)

\[{{X}^{h}}{{Y}^{h}}\] and \[XY\]

D)

\[{{X}^{h}}X\] and \[XY\]

View Answer
174) The causative agent of filaria is

A)

Wuchereria bancrofti

B)

Leishmania donovani

C)

Plasmodium vivax

D)

Trypanosoma gambiens

View Answer
175) The copying of mRNA to DNA is known as

A)

replication

B)

transcription

C)

translation

D)

reverse transcription

View Answer
176) Which of the following does not make a nest of its own?

A)

Crow

B)

Parrot

C)

Cuckoo

D)

Sparrow

View Answer
177) Which of the following is not a defence evolved by a prey to avoid predators?

A)

Ejection of noxious chemicals

B)

Possession of toxic hairs

C)

Mimicry of inedible objects

D)

Secretion of pheromones

View Answer
178) The sea snakes have

A)

cylindrical tail

B)

dry horny scale at tail end

C)

laterally compressed tail

D)

dorsoventrally flattened tail

View Answer
179) Pernicious anaemia is caused due to

A)

absence of vitamin-K

B)

lack of vitamin\[-{{B}_{12}}\]

C)

lack of vitamin-C

D)

presence of intrinsic factor

View Answer
180) How many molecules of oxygen can bind to a molecule of haemoglobin?

A)

One

B)

Two

C)

Three

D)

Four

View Answer