# Solved papers for Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

### done Chhattisgarh PMT Solved Paper-2009

• question_answer1) Itencrierence may be seen using two independent

A) sodium lamps

B) fluorescent tubes

C) lasers

D) mercury vapour lamps

• question_answer2) The focal lengths of the objective aiidthe eye piece of telescope are 100 cm and 10 cm respectively. The magnification of the telescope when final image is formed at

A) $0.1$

B) $10$

C) W 100

D) $\infty$

• question_answer3) An electromagnetic wave has

A) electric vector only

B) magnetic vector only

C) eiectric and magnetic vectors perpendicular to each other

D) neither the electric vector nor the magnetic vector

• question_answer4) 160W-60V lamp is connected at 60 V DC Supply. The number of electrons passing trough the lamp in 1 min is

A) ${{10}^{19}}$

B) ${{10}^{21}}$

C) $1.6\times {{10}^{19}}$

D) $1.4\times {{10}^{20}}$ (The charge of electron $1.6\times {{10}^{-19}}C)$

• question_answer5) If a current is allowed to pass through a circuit coasisung of two dissimilar metals, thers is eaher 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

• question_answer6) The energy of an X-ray photon of wavelength$1\,\overset{\text{o}}{\mathop{\text{A}}}\,$is $(h=6.6\times {{10}^{-34}}\text{J-s})$

A) 24.6 keV

B) 6.1 keV

C) 12.3 keV

D) 1.2 keV

A) conservative

B) non-conservative

C) electromagnetic

D) magnetic

• question_answer8) According to Maxwell's 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

• question_answer9) The photons in a radio wave of wavelength $3\times {{10}^{4}}cm$have energy

A) $6.62\times {{10}^{-10}}\text{J}$

B) $19.86\times {{10}^{-24}}\text{J}$

C) $6.62\times {{10}^{-28}}\text{J}$

D) $2.2\times {{10}^{-35}}\text{J}$

• question_answer10) According to Bohr's theory of hydrogen atom, for the electron in the ${{\text{n}}^{\text{th}}}$ allowed orbit the linear momentum is proportional to 1/n (ii) radius is proportional to n (iii) kinetic energy is proportional to 1/n2 (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)

• question_answer11) In the circuit shown the equivalent resistance between A and B is

A) $27\,\Omega$

B) $18\,\Omega$

C) $9\,\Omega$

D) $3\,\Omega$

• question_answer12) When two sinusoidal waves moving at right angle to each other superimpose, they produce

A) beats

B) interference

C) stationary waves

D) Lissajous figure

• question_answer13) Each of the properties of sound in List-$\text{I}$ primarily depends on one of the quantities in List-$\text{II}\text{.}$ Select the correct answer (matching List-$\text{I}$ with List-$\text{II}\text{.}$) as per code given below the lists

 $\text{List}\,\text{-I}$ $\text{List}\,\text{-II}$ (A) Loudness (1) Waveform (B) Pitch (2) Frequency (C) Quality (3) Intensity
Codes:

A) A-1 B-2 C-3

B) A-3 B-2 C-1

C) A-2 B-3 C-1

D) A-2 B-1 C-3

• question_answer14) One of the causes of the breadth of the spectral lines is

A) doppler's effect

B) dispersion

C) reflection

D) refraction

• question_answer15) In a stationary wave represented by $y=2a\,\cos kx\,\sin \,\omega t$the intensity at a certain point is maximum when

A) cos toe is maximum

B) cos toe is minimum

C) sin cot is maximum

D) sin cot is minimum

• question_answer16) 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

• question_answer17) 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

• question_answer18) 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

• question_answer19) 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

• question_answer20) A grating which would be most suitable for constructing a spectrometer for the visible and ultraviolet region should have $1000000\text{ }lines\text{ }c{{m}^{-1}}.$ Directions : The following 5 (.five) items consists of two statements, one labelled the 'Assertion 'and the other labelled the 'Reason R'. You are to examine these two statements carefully and decide if the Assertion A and the Reason R are individually true and of so, whether the reason is correct explanation of the Assertion. Select your answer to these items using the codes given below and mark your answer sheet accordingly. Codes: Both A and R are true and R is the correct explanation of A. Both A and R are true and R is NOT a correct explanation of A. A is true but R is false. A is false but R is true. Assertion : The angular momentum under a central force is constant. Reason (R): Inverse square law of force is conservative.

A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true and R is NOT a correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• question_answer21) Assertion The upper surface of the Wings of an aeroplane is made convex and the Lower surface is made concave. Reason (R) : The air currents at the top have A smaller and thus less pressure at the Bottom than at the top.

A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true and R is NOT a correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• question_answer22) Assertion : All the rain drops hit the Surface of theearth with the same constant velocity. Reason (R) : An object falling through a viscous medium eventually attains a terminal velocity.

A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true and R is NOT a correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• question_answer23) Assertion : Photoelectric effect can take Place only with an electron bound in the atom. Reason(R) : Electron is a fermion where as proton is a boson.

A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true and R is NOT a correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• question_answer24) Assertion : Fission of $_{\text{92}}^{\text{235}}\text{U}$is brought about by a thermal neutron, whereas that of $_{\text{92}}^{\text{238}}\text{U}$is brought about by a fast neutron. Reason (R): $_{\text{92}}^{\text{235}}\text{U}$is an even-odd nucleus, whereas $_{\text{92}}^{\text{238}}\text{U}$is an even-even nucleus.

A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true and R is NOT a correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• question_answer25) 25. 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

• question_answer26) 26. A superconducting material is

A) ferromagnetic

B) ferroelectric

C) diamagnetic

D) paramagnetic

• question_answer27) 27. If the free electron density be n and relaxation time be $\tau ,$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) $\frac{{{m}_{e}}{{e}^{2}}\tau }{n}$

• question_answer28) 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 $30{}^\circ$. 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) $1.5\,\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer29) 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

• question_answer30) The relation between electric field vector$\mathbf{\vec{E}}$ the displacement vector $\mathbf{\vec{D}}$ and the polarization vector $\mathbf{\vec{P}}$ for a dielectric placed in electric field $\mathbf{\vec{E}}$ is given by

A) $\mathbf{\vec{P}}={{\varepsilon }_{0}}\mathbf{\vec{E}}+\mathbf{\vec{D}}$

B) $\mathbf{\vec{P}}=\mathbf{\vec{D}}+\mathbf{\vec{E}}$

C) $\mathbf{\vec{D}}={{\varepsilon }_{0}}\mathbf{\vec{E}}+\mathbf{\vec{P}}$

D) $\mathbf{\vec{E}}=\mathbf{\vec{D}}+\mathbf{\vec{P}}$

• question_answer31) If Young's modulus of elasticity Y for a material is one and half times its rigidity coefficient $\eta$ the Poisson ratio $\sigma$ will be

A) $+\frac{2}{3}$

B) $-\frac{1}{4}$

C) $+\frac{1}{4}$

D) $-\frac{2}{3}$

• question_answer32) Which one of the following is not a fundamental $\text{SI}$ unit ?

A) Ampere

B) Candela

C) Newton

D) Kelvin

• question_answer33) The formula for horizontal range of a projectile is $S=\frac{{{v}^{2}}\sin {{\,}^{2}}\text{ }\!\!\theta\!\!\text{ }}{2g}$ where v is initial speed, $\text{ }\!\!\theta\!\!\text{ }$ 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 v2 P proportional to g R proportional to ${{\sin }^{2}}\text{ }\!\!\theta\!\!\text{ }$

B) Q proportional to g P proportional to v2 R proportional to ${{\sin }^{2}}\text{ }\!\!\theta\!\!\text{ }$

C) Q proportional to g P proportional to ${{\sin }^{2}}\text{ }\!\!\theta\!\!\text{ }$ R proportional to v2

D) Q proportional to ${{\sin }^{2}}\text{ }\!\!\theta\!\!\text{ }$ P proportional to v2 R proportional to g

• question_answer34) One Becquerel is defined as

A) 1 disintegration per sec

B) 106 disintegration per sec

C) $3.7\times {{10}^{10}}$ disintegration per sec

D) 103 disintegration per sec

• question_answer35) The shortest wavelength which can be obtained in hydrogen spectrum is$(R={{10}^{7}}{{\text{m}}^{\text{-1}}})$

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) $2100\,\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer36) In an ideal choke, ratio of its inductance L to its DC resistance R is

A) infinity

B) zero

C) unity

D) hundred

• question_answer37) 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

• question_answer38) 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

• question_answer39) 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

• question_answer40) A zener diode is used for

A) rectification

B) modulation

C) detection

D) voltage regulation

• question_answer41) A black body at a temperature of $227{}^\circ C$ radiates heat at the rate of 5 $c{{m}^{-2}}{{s}^{-1}}.$ temperature of $727{}^\circ C$ the rate of heat radiated per unit area in cal $c{{m}^{-2}}{{s}^{-1}}$ is

A) 400

B) 80

C) 40

D) 15

• question_answer42) With the rise of temperature the resistivity of a semiconductor

A) remains unchanged

B) increases

C) decreases

D) first increases and then decreases

• question_answer43) The terminal velocity of spherical ball of radius a falling through a viscous liquid a proportional to

A) $a$

B) ${{a}^{2}}$

C) ${{a}^{3}}$

D) ${{a}^{-1}}$

• question_answer44) The physical quantity which is not a unit of energy is

A) volt-coulomb

B) Me V-sec

C) henry (ampere)2

• question_answer45) 45. 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

• question_answer46) 46. ??Good emitters are good absorbers?? is a statement concluded from

A) Newton?s law of cooling

C) Provost?s theory

D) Kirchhoff?s law

• question_answer47) 47. 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 planck?s 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) $0.775\times {{10}^{16}}$

• question_answer48) 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) $\frac{1}{2\pi {{n}^{2}}}$

• question_answer49) 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

• question_answer50) 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) $10\mu V$

B) $40\mu V$

C) 10 mV

D) 40 mV

• question_answer51) 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) cathode to cathode through external circuit

• question_answer52) In first order reaction, the concentration of reactant decreases from $800\text{ }mol\text{ }c{{m}^{-3}}$to $50\text{ }mol\text{ }c{{m}^{-3}}$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) $2\times {{10}^{-4}}{{s}^{-1}}$

• question_answer53) ${{H}_{3}}B{{O}_{3}}$is

B) mono basic and weak Bronsted add

C) mono basic and strong Lewis add

D) tri basic and weak Bronsted acid

• question_answer54) 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

• question_answer55) Benzamide on reaction with $POC{{l}_{3}}$ gives

A) aniline

B) chlorobenzene

C) phenyl amine

D) phenyl nitrile

• question_answer56) 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) ${{H}_{2}}{{S}_{4}}{{O}_{6}}$

• question_answer57) A sodium salt on treatment with $MgC{{l}_{2}}$ gives white propitiate on heating. The anion of sodium salt is

A) $HCO_{3}^{-}$

B) $CO_{3}^{2-}$

C) $NO_{3}^{-}$

D) $SO_{4}^{2-}$

• question_answer58) 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 $>O_{2}^{-}$

A) enthalpy is positive

B) entropy is negative

C) entropy increases

D) free energy increases

• question_answer60) Which of the following is not oxidised by ozone?

A) $KI$

B) $FeS{{O}_{4}}$

C) $KMn{{O}_{4}}$

D) ${{K}_{2}}Mn{{O}_{4}}$

• question_answer61) Which is necessary for conversion of butane-2-one into propanoic acid?

A) Tollen reagent

B) Fehling solution

C) $NaOH/{{I}_{2}}/{{H}^{+}}$

D) $NaOH/NaI/{{H}^{+}}$

• question_answer62) When phenyl magnesium bromide is reacted with ethyl alcohol, product is

A) phenol

B) t-butyl benzene

C) benzene

D) t-butyl phenyl ether

• question_answer63) The number of radial nodes of 3s and 2p orbital are

A) $2,0$

B) $0,2$

C) $1,2$

D) $2,1$

• question_answer64) 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) $1:2$

• question_answer65) 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) $C{{u}^{+}}$

A) antiseptic

B) antibiotic

C) dye

D) aspirin

• question_answer67) Silica is soluble in

A) $HCl$

B) $HN{{O}_{3}}$

C) ${{H}_{2}}S{{O}_{4}}$

D) $HF$

• question_answer68) The use of alums in purifying muddy water , involves

A) absorption

C) dialysis

D) coagulation

• question_answer69) Which type of metal form effective catalyst?

A) Alkali metal

B) Transition metal

C) Alkaline earth metal

• question_answer70) The rusting of iron is catalysed by

A) $Fe$

B) ${{O}_{2}}$

C) ${{H}^{+}}$

D) $Zn$

• question_answer71) 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) $1-2,\text{ }3-propanetrinitrile$

D) $3-cyano-1,\text{ }5-dinitrile$

• question_answer72) Standard free energy change for an equilibrium is zero, the value of ${{K}_{p}}$ is

A) zero

B) $1$

C) $2$

D) $100$

• question_answer73) Hydrolysis of $PC{{l}_{5}}$ gives

A) ${{H}_{3}}P{{O}_{3}}$

B) $HP{{O}_{3}}$

C) ${{H}_{3}}P{{O}_{2}}$

D) ${{H}_{3}}P{{O}_{4}}$

• question_answer74) Which is responsible for 'green house effect'?

A) Methane

B) $C{{O}_{2}}$

C) $CO$

D) ${{N}_{2}}$

• question_answer75) In solid $CuS{{O}_{4}}$.$5{{H}_{2}}O$ copper is coordinated to number of water molecules

A) $5$

B) $4$

C) $1$

D) $2$

• question_answer76) 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) $p-C{{H}_{3}}O-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}$

• question_answer77) $0.2$ molal acid HX ionises 20%. ${{k}_{f}}$ for acid is$1-86\text{ }molalit{{y}^{-1}}$. Freezing point is

A) $-0.45$

B) $-0.50$

C) $-0.31$

D) $-0.53$

• question_answer78) Natural rubber is polymer of

A) trans-isoprene

B) cis-isoprene

C) mixture of cis and trans-isoprene

D) None of the above

• question_answer79) The most stable conformation of n-butane is

A) skew

B) eclipsed

C) staggered

D) None of these

• question_answer80) Antidote for carbon monoxide is

A) carborundum

B) carbogen

C) carbonic acid

D) pure oxygen

• question_answer81) 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) $CC{{l}_{4}}$

• question_answer82) Which are isoelectronic and isostructural?

A) $NO_{3}^{-},CO_{3}^{2-}$

B) $S{{O}_{3}},NO_{3}^{-}$

C) $ClO_{3}^{-},CO_{3}^{2-}$

D) $CO_{3}^{2-},S{{O}_{3}}$

• question_answer83) The species having tetrahedral shape is

A) ${{[PdC{{l}_{4}}]}^{2-}}$

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

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

D) ${{[NiC{{l}_{4}}]}^{2-}}$

• question_answer84) Total number of lone pairs of electrons on $Xe$in $XeO{{F}_{4}}$ is

A) $0$

B) $1$

C) $2$

D) $3$

• question_answer85) The number of nodal planes in ${{p}_{x}}$ orbital is

A) $1$

B) $2$

C) $3$

D) $0$

• question_answer86) Which has the highest nucleophilicity?

A) ${{F}^{-}}$

B) $O{{H}^{-}}$

C) $CH_{3}^{-}$

D) $NH_{2}^{-}$

• question_answer87) Which will exhibit geometrical isomerism?

A) $3-phenyl-1-butene$

B) $1-phenyl-2-butene$

C) $2-phenyl-1-butene$

D) $1,\text{ }1-diphenyl-1-propene$

• question_answer88) Which is the most thermodynamically stable allotropic form of phosphorus?

A) Red

B) White

C) Black

D) Yellow

• question_answer89) 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) ${{N}_{2}}O$

• question_answer90) In which crystal alternate tetrahedral voids are occupied?

A) $NaCl$

B) $Ca{{F}_{2}}$

C) $ZnS$

D) $N{{a}_{2}}O$

• question_answer91) 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

• question_answer92) In the standard is ation 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

• question_answer93) The correct order of first ionisation potential is

A) $K>Na>Li$

B) $Be>Mg>Ca$

C) $B>C>N$

D) $Ge>Si>C$

• question_answer94) 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) $FeSi{{O}_{3}}$

• question_answer95) The root mean square velocity of ideal gas at constant pressure varies with density as

A) ${{d}^{2}}$

B) $d$

C) $\sqrt{d}$

D) $\frac{1}{\sqrt{d}}$

• question_answer96) The correct order of acidic strength is

A) $C{{l}_{2}}{{O}_{7}}>S{{O}_{2}}>{{P}_{4}}{{O}_{10}}$

B) $C{{O}_{2}}>{{N}_{2}}{{O}_{5}}>S{{O}_{3}}$

C) $N{{a}_{2}}O>MgO>A{{l}_{2}}{{O}_{3}}$

D) ${{K}_{2}}O>CaO>MgO$

• question_answer97) Standard solution of $KN{{O}_{3}}$is used to make salt bridge because

A) velocity of ${{K}^{+}}$ is greater than $NO_{3}^{-}$

B) velocity of $NO_{3}^{-}$ is greater than ${{K}^{+}}$

C) velocity of ${{K}^{+}}$ and $NO_{3}^{-}$ are same

D) $KN{{O}_{3}}$is highly soluble in water

• question_answer98) Anhydrous ferric chloride is prepared by

A) heating $FeC{{l}_{3}}$at high temperature h stream of air

B) heating iron in stream of dry chlorine

C) heating ferric oxide with hydrochloric acid

D) reacting iron with hydrochloric acid

• question_answer99) Which represent mode of hybridization $s{{p}^{2}}-s{{p}^{2}}-sp-sp$ from left to right?

A) ${{H}_{2}}C=CH-C\equiv CH$

B) $HC\equiv C-C\equiv CH$

C) ${{H}_{2}}C=C=C=C{{H}_{2}}$

D)

• question_answer100) $N{{a}^{23}}$ is more stable isotope of$Na$. The process by which $_{11}N{{a}^{24}}$ can undergo radioactive decay is

A) $\beta$-rays

B) $\alpha$-rays

C) ${{\beta }^{+}}$-rays

D) $\gamma$-rays

• question_answer101) Contractile vacuoles in Protozoa serve the purpose of

A) water circulation

B) digestion

C) osmoregularion

D) excretion

• question_answer102) A ceil organelle that is exceptionally rich in hydrolytic enzymes is

A) ribosome

B) endoplasmic reticulum

C) lysosome

D) mitochondria

• question_answer103) Pearls are produced by the animals of phylum

A) Annelida

B) Arthropoda

C) Mollusca

D) Echinodermata

A) enzymes that restrict uncontrolled growth of cell, which results in cancer

B) enzymes that restrict DNA synthesis to the minimum necessary level and prevent polyploidy

C) enzymes that cleave phosphodi ester linkages in DNA only at a specific sequence yielding fragments of reproducible sizes

D) enzymes that cleave polycistronic m-RNA to yield individual cisirons

• question_answer105) An analysis of a DNA (double stranded) sample yielded 18% cytosine. What would be the percentage of other bases in this sample?

A) $T-32%,\text{ }A-32%,\text{ }G-18%$

B) $T-32%,A-18%,G-32%$

C) $T-18%,\text{ }A-32%,\text{ }G-32%$

D) $1-40%,\text{ }A-22%,\text{ }G-20%$

• question_answer106) Which of the following is a mismatch?

A) Amphetamine-a stimulant

B) Morphine - an opiate narcotic

C) LSD - a hallucinogen

D) Cocaine - a sedative/tranquillizer

• question_answer107) Which of the following is not related to sex chromosome X or Y?

A) Turner's syndrome

B) Ktinefelter's syndrome

C) Down's syndrome

D) Haemophilia and colour blindness

• question_answer108) Which of the following is a part of pectoral girdle?

A) Ilium

B) Ischium

C) Acetabulum

D) Glenoid cavity

• question_answer109) Gir sanctuary is mainly for

A) rhino

B) tiger

C) lion

D) elephant

• question_answer110) Which of the following organs is called the graveyard of RBCs?

A) Thymus

B) Liver

C) Spleen

D) Kidney

• question_answer111) 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

• question_answer112) Which one is an iron storage protein?

A) Myosin

B) Glutelin

C) Ferritine

D) Immunoglobulin

• question_answer113) Which of the following is a mismatch?

A) $\text{ }\!\!\beta\!\!\text{ -}$cells of islets of Langerhans--insulin

B) $\text{ }\!\!\alpha\!\!\text{ -}$celis of islets ofLangerhans--insulin

C) Leydig cells -- testosterone

D) Corpus luteum -- progesterone

• question_answer114) The genetic material of AIDS virus in

A) double stranded DNA

B) double stranded RNA

C) single stranded RNA

D) single stranded DNA

• question_answer115) 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

• question_answer116) Water vascular system is characteristic of

A) Protozoa

B) Porifera

C) Annelida

D) Echinodermata

• question_answer117) Science, which deals with the study of ageing is known as

A) Teratology

B) Gerontology

C) Limnology

D) Palaeontology

• question_answer118) 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

• question_answer119) Which of the following is not a restriction endonuclease?

A) $\text{EcoRI}$

B) $\text{Hind-III}$

C) Pst$\text{-I}$

D) DNAse$\text{-I}$

• question_answer120) Who proposed theory of imprinting?

A) Niko Tinbergen

B) Charles Darwin

D) Karl Van Frish

• question_answer121) Which of the following has a triple helix structure?

A) Haemoglobin

B) Keratin

C) Lysozyme

D) Collagen

• question_answer122) Which of the following statement is true?

A) Saltatory conduction is seen in non-myelinated nerve fibres

B) Nissl's 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

• question_answer123) Which combination is mismatched?

A) Vitamin-D-Rickets

B) Thiamine-Beri-beri

C) Vitamin-K-Sterility

D) Niacin-Pellagra

• question_answer124) Which of the following gases does not cause acid rain?

A) Sulphur dioxide

B) Methane

C) Nitrous oxide

D) Carbon monoxide

• question_answer125) Five-kingdom scheme to classify living beings has been proposed by

A) J B S Haldane

B) G G Simpson

C) E Mayr

D) R H Whittaker

• question_answer126) A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition?

A) 0%

B) 25%

C) 50%

D) 100%

A) a bird

B) a mammal

C) an amphibian

D) a fish

• question_answer128) The centrum of eighth vertebra of frog is

A) procoelous

B) heterocoelous

C) amphicoelous

D) opisthocoelous

• question_answer129) The terminal end of chromosomes is called

A) centromere

B) telomere

C) chromomere

D) metamere

• question_answer130) Which one of the following animals lay eggs yet the female secretes milk?

A) Bat

B) Kangaroo

C) Platypus

D) Ostrich

A) Arginine

B) Ornithine

C) Aspartic acid

D) Tyrosine

• question_answer132) 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

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

• question_answer134) Which of the following embryonic membranes structure is excretory in function?

A) Amnion

B) Allantois

C) Yolk sac

D) Vitelline chorion

• question_answer135) Which of the following is a mismatch?

A) Giraffe - Lamarck

B) Drosophila - Morgan

C) Galapagos island - Darwin's finches

D) Origin of species - Mendel

• question_answer136) Most of the carbon dioxide is transported in blood is

A) a gas

B) carbaminohaemoglobin

C) serum carbaminoproteins

D) $HCO_{3}^{-}$

• question_answer137) Which of the following type of cartilage is found in tervertebral disc of mammal?

A) Hyaline cartilage

B) Fibrous cartilage

C) Calcified cartilage

D) Elastic cartilage

A) a living fossil

B) a mammal

C) a connecting link between Annelida and Arthropoda

D) a connecting link between reptiles and birds

• question_answer139) Ink glands are found in

A) sponge

B) star fish

C) sepia

D) jellyfish

• question_answer140) Which of the following is a harmful social insect?

A) Termite

B) Bombyxmori

C) Tachardia lacca

D) Apis indica

• question_answer141) Which of the following set is a mis-match?

A) Phosphoenol pyruvate carboxykinase - Gluconeogenesis

B) Phospho dehydrogenase- Glycolysis

C) Succinate dehydrogenase - Kerbs cyclye

D) Urease

• question_answer142) The largest endangered bird in Indiais

A) vulture

B) flamingo

C) great Indian bustard

D) great Indian hornbill

• question_answer143) 93. A woman has haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be

A) $\text{XX}\,\text{and}\,{{\text{X}}^{\text{h}}}\text{Y}$

B) ${{\text{X}}^{h}}{{\text{X}}^{h}}\,\text{and}\,{{\text{X}}^{\text{h}}}\text{Y}$

C) ${{\text{X}}^{h}}{{\text{X}}^{h}}\,\text{and}\,\text{XY}$

D) ${{\text{X}}^{h}}\text{X}\,\text{and}\,\text{XY}$

• question_answer144) The causative agent of filaria is

A) Wuchereria bancrofti

B) Leishmania donovani

C) Plasmodium vivax

D) Trypanosoma gambiens

• question_answer145) The copying of mRNA to DNA is known as

A) replication

B) transcription

C) translation

D) reverse transcription

• question_answer146) Which of the following does not make a nest of its own?

A) Crow

B) Parrot

C) Cuckoo

D) Sparrow

• question_answer147) 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

• question_answer148) The sea snakes have

A) cylindrical tail

B) dry homey scale at tail end

C) laterally compressed tail

D) dorsoventrally flattened tail

• question_answer149) 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

• question_answer150) How many molecules of oxygen can bind to a molecule of haemoglobin?

A) One

B) Two

C) Three

D) Four

• question_answer151) Insectivorous plant grow generally in soil that are deficient in

A) water

B) nitrogen

C) potassium

D) calcium

• question_answer152) While entering in the neck of a fern archegonium, sperm shows

A) phototaxy

B) chemotaxy

C) thermotaxy

D) cyclosis

• question_answer153) Plants which flower only once in their life are termed as

A) monochlamydous

B) monocious

C) monocarpic

D) monosomic

• question_answer154) Triticum vulgare has been found to be presently evolved as

A) diploid

B) tetraploid

C) pentaploid

D) hexaploid

• question_answer155) Which of the following clogs the cavity of the xylem vessels?

A) Tyiosis

B) Cystolith

C) Hydathode

D) Raphide

• question_answer156) Which of the following has multiflagellate sperms?

A) Equisetum

B) Riccia

C) Lycopodium

D) Anthoceros

• question_answer157) Which of the following is known as 'bag moss' ?

A) Polytrichum

B) Funaria

C) Sphagnum

D) Porella

• question_answer158) Which of the following is known as 'living fossil'?

A) Pinus

B) Rhynia

C) Gnetum

D) Ginkgo

• question_answer159) Which of following is connecting link between glycolysis and Krebs cycle?

A) Puruvic acid

B) Isocitric acid

C) Acetyl Co-A

D) phoglyceric acid

• question_answer160) The respiratory process of yeast is

A) rarely anaerobic

B) anaerobic

C) purely aerobic

D) Both [a] and [b]

• question_answer161) Which of the following is important source of edible protein ?

A) Spirogyra

B) Porphyra

C) Spirulina

D) Cephaleuros

• question_answer162) The male gametophyte in angiosperm is reduced to

A) one cell

B) two cells

C) three cells

D) four cells

• question_answer163) Recently discovered anti-cancer drug is obtained from

A) Taxus

B) Tagetes

C) Tamarix

D) Thea

• question_answer164) Pollen embryo sacs are

A) Pollen like embryo sacs

B) pollen developed in embryo sacs

C) embryo sacs developed from pollen

D) fused pollen and embryo sac

• question_answer165) The plant hormone produced by Rhizobium nodulation is

A) IBA

B) NAA

C) 2, 4-D

D) IAA

• question_answer166) The tunica-corpus theory was proposed by

A) Hofmeister

B) Nageli

C) Strabusrger

D) Schmidt

• question_answer167) The part of castor seed that yields oil is

A) cotyledon

B) caruncle

C) endosperm

D) nucellus

• question_answer168) The character found only in halophytes is

A) sunken stomata

B) vivipary

C) velamen tissue

D) heterophylly

• question_answer169) A hyaline bisexual and self-fertilized flower that does not open at all is

A) chasmogamaus

B) apogamous

C) cleistogamous

D) polygamous

• question_answer170) Modification of petiole into leaf like structure is called

C) phyllode

D) pistillode

• question_answer171) Which one of the following is a pseudocarp ?

A) Apple

B) Guava

C) Tomato

D) Banana

• question_answer172) The part of the flower of Crocus that yields saffron is

A) calyx

B) corolla

C) perianth

D) style and stigma

A) Pogonatum

B) Funaria

C) Dawsonia

D) Polytrichum

• question_answer174) Oil is reserve food in

A) Chlamydomonas

B) Oedogonium

C) Vaucheria

D) Chara

• question_answer175) 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

• question_answer176) Late blight of potato is caused by

A) Cystopus

B) Phytophthora

C) Altemaria

D) Ustilago

A) only RNA

B) only DNA

C) either DNA or RNA

D) neither DNA nor RNA

• question_answer178) The fungus without mycelium is

A) Puccmia

B) Phytophthora

C) Rhizopus

D) Saccharomyces

• question_answer179) A T-series bacteriophage' can be recognized by its

B) rounded shape

C) irregular shape

D) rhomboidal shape

• question_answer180) In gymnosperms, the seeds are naked because they lack

A) integument

B) nucellus

C) pericarp

D) perianth

• question_answer181) The smallest free living organism is

A) virus

B) mycoplasma

C) diatom

D) cyano bacterium

• question_answer182) Name the fungus that is edible

A) Penicillium

B) Mucor

C) Rhizopus

D) Morchell

A) Ginkgo

B) Ephedra

C) Cupressus

D) Tsuga

• question_answer184) Cork is obtained from

A) Quercus suber

B) Pinus roxbiirghii

C) Cedrus deodara

D) Mangifera indica

• question_answer185) The number of RNA molecules in 60S sub-particles of 80S ribosomes are

A) five

B) four

C) three

D) two

• question_answer186) The number of ATP molecules required to initiate p-oxidation is

A) 1

B) 2

C) 3

D) 4

• question_answer187) Sprouting of potato under storage condition can be prevented by

A) auxin

B) gibberellin

C) ethylene

D) cylokinin

• question_answer188) The components of PS-l are located on the

A) stroma

B) stroma thylakoid

C) granum thyiakoid

D) outer surface of stromal and granal thylakoid

• question_answer189) The final electron acceptor in pseudocyclic electron transport in chloroplast is

A) $NAD{{P}^{+}}$

B) ferredoxin

C) oxygen

D) $NA{{D}^{+}}$

• question_answer190) Photolysis of water during photosynthesis occurs with the help of

A) PS-II

B) PS-I

C) ferredoxin

D) cytochrome

• question_answer191) The' lock and key' theory of enzyme structure and function was proposed by

A) Morgan

B) Robertson

C) Brown

D) Fischer

• question_answer192) Photosynthetic evolution of oxygen requires

A) Coenzyme

B) Fe-enzyme

C) Mn-enzyme

D) Zn-enzyme

• question_answer193) For good growth of pollen tube, necessary element is

A) Ca

B) B

C) Mg

D) Mo

• question_answer194) The organelle associated with photorespiration is

A) lysosome

B) peroxisome

C) glyoxysome

D) spherosome

• question_answer195) The mutagenic agent among following is

A) ethyl methane

B) ethylene

C) 2, 4-D

D) IAA

• question_answer196) The number of bases per helical turn in ZDNA is

A) 10

B) 11

C) 12

D) 13

• question_answer197) Ribosomal RNA (rRNA) is synthesized in

A) nucleolus

B) nucleosome

C) cytoplasm

D) ribosome

• question_answer198) 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

• question_answer199) In India, tropical rain forest occur in

A) Jamrnu and Kashinir

B) Andaman

• question_answer200) Plant length is increased by

A) apical meristem

B) lateral meristem

C) dermatogens

D) periblem