# Solved papers for Manipal Medical Manipal Medical Solved Paper-2011

### done Manipal Medical Solved Paper-2011

• question_answer1) In Youngs experiment, the wavelength of red light is$7800\overset{o}{\mathop{\text{A}}}\,$ and that of blue light is$5200\overset{o}{\mathop{\text{A}}}\,$. The value of n for which$(n+1)th$ blue band coincides with nth red band is

A) 1

B) 2

C) 3

D) 4

• question_answer2) The bubble constant has the dimensions of

A) time

B) $tim{{e}^{-1}}$

C) length

D) mass

• question_answer3) A boy has 60 kg weight. He wants to swim in a river with the help of a wooden log. If relative density of wood is 0.6. What is the minimum volume of wooden log? (Density of river water is$1000\text{ }kg/{{m}^{3}}$)

A) $0.66\,{{m}^{3}}$

B) $150\,{{m}^{3}}$

C) $\frac{3}{1}\,{{m}^{3}}$

D) $\frac{3}{20}\,{{m}^{3}}$

• question_answer4) When a triode is used as an amplifier the phase difference between the input signal voltage and output is

A) zero

B) $\pi$

C) $\frac{\pi }{2}$

D) $\frac{\pi }{3}$

• question_answer5) For Balmer series that lies in the visible region, the shortest wavelength corresponds to quantum number

A) $n=1$

B) $n=2$

C) $n=3$

D) $n=\infty$

• question_answer6) A double convex lens$(\mu ~=3/2)$of focal length 20 cm is totally immersed in water$(\mu ~=4/2)$. Its focal length now will be

A) 20 cm

B) 30 cm

C) 40cm

D) 10cm

• question_answer7) Under which of the following conditions is the law$pV=RT$obeyed most closely by a real gas?

A) High pressure and high temperature

B) Low pressure and low temperature

C) Low pressure and high temperature

D) High pressure and low temperature

• question_answer8) An artificial satellite revolves around the earth in a circular orbit with a speed$v$. If m is the mass of the satellite, its total energy is

A) $\frac{1}{2}m{{v}^{2}}$

B) $-\frac{1}{2}m{{v}^{2}}$

C) $-m{{v}^{2}}$

D) $\frac{3}{2}m{{v}^{2}}$

• question_answer9) When the intermolecular distance decreases due to compressive force, there is

A) zero resultant force between molecules

B) repulsive force between molecules

C) attractive force between molecules

D) no force between molecules

• question_answer10) A 0.5 kg ball moves in a circle of radius 0.4 m at a velocity of 4 m/s. The centripetal force on the ball is

A) 10 N

B) 20 N

C) 40 N

D) 80 N

• question_answer11) In the unmagnetized state, magnetic domains of a magnetic substance are oriented at

A) $60{}^\circ$

B) $90{}^\circ$

C) randomly

D) $150{}^\circ$

• question_answer12) If the radius of the earth were to shrink by 1%, its mass remaining the same, the acceleration due to gravity on the earths surface would

A) decrease by 1%

B) remain unchanged

C) increase by 1%

D) increase by 2%

• question_answer13) One-fourth length of a spring of force constant $k$is cut away. The force constant of the remaining spring will be

A) $\frac{3}{4}k$

B) $\frac{4}{3}k$

C) $k$

D) $4k$

• question_answer14) A particle is executing simple harmonic motion with amplitude of 0.1 m. At a certain instant when its displacement is 0.02 and its acceleration is$0.5\text{ }m/{{s}^{2}}$. The maximum velocity of the particle is (in m/s)

A) 0.01

B) 0.05

C) 0.5

D) 0.25

• question_answer15) The area of cross-section of a steel wire $(Y=2.0\times {{10}^{11}}N/{{m}^{2}})$is$0.1\text{ }c{{m}^{2}}$. The force required to double its length will be

A) $2\times {{10}^{12}}N$

B) $2\times {{10}^{11}}N$

C) $2\times {{10}^{10}}N$

D) $2\times {{10}^{6}}N$

• question_answer16) If a glass rod is dipped in mercury and withdrawn out, the mercury does not wet the rod because

A) angle of contact is acute

B) cohesion force is more

D) density of mercury is more

• question_answer17) Gas exerts pressure on the walls of the container because gas

A) has weight

B) molecules have momentum

C) molecules collide with each other

D) molecules collide with the walls of the container

• question_answer18) The bulk modulus of an ideal gas at constant temperature is

A) equal to its pressure

B) equal to its volume

C) equal to p/2

D) cannot be determined

• question_answer19) If in an isothermal process the volume of ideal gas is halved, then we can say that

A) internal energy of the system decreases

B) infernal energy of the system increases

C) work done by the gas is negative

D) work done by the gas is positive

• question_answer20) X-ray beam of intensity${{I}_{0}}$passes through an absorption plate of thickness d. If absorption coefficient of material of plate is$\mu ,$the correct statement regarding the transmitted intensity$I$of X-ray is

A) $I={{I}_{0}}(I-{{e}^{-\mu d}})$

B) $I={{I}_{0}}{{e}^{-\mu d}}$

C) $I={{I}_{0}}(I-{{e}^{d/\mu }})$

D) $I={{I}_{0}}{{e}^{-\mu /e}}$

• question_answer21) A$2\mu F$capacitor is charged to 100 V and then its plates are connected by a conducting wire, the heat produced is

A) $1\,J$

B) $0.1\,J$

C) $0.01\,J$

D) $0.00\,J$

• question_answer22) Gauss is unit of which quantity?

A) H

B) B

C) $\phi$

D) $I$

• question_answer23) A body starts to fall freely under gravity. The distances covered by it in first, second and third seconds are in ratio

A) $1:3:5$

B) $1:2:3$

C) $1:4:9$

D) $1:5:6$

• question_answer24) Two bodies of masses m and 2 m have same momentum. Their respective kinetic energies${{K}_{1}}$and${{K}_{2}}$are in the ratio

A) $1:2$

B) $2:1$

C) $1:\sqrt{2}$

D) $1:4$

• question_answer25) If the velocity of projection is increased by 1% (other things remaining constant) the horizontal range will increase by

A) 1%

B) 2%

C) 4%

D) 8%

• question_answer26) Light of frequency$v$is incident on a substance of threshold frequency${{v}_{0}}({{v}_{0}}<v)$. The energy of the emitted photoelectron will be

A) $h(v-{{v}_{0}})$

B) $h/v$

C) $he(v-{{v}_{0}})$

D) $h/{{v}_{0}}$

A) atoms of the prism

B) atoms of the source

C) molecules of the source

D) atoms as well as molecules of the source

• question_answer28) A radioactive material has a half-life of 8 yr. The activity of the material will decrease to about$\frac{1}{8}$th of its original value in

A) 256 yr

B) 128 yr

C) 64 yr

D) 24 yr

• question_answer29) The ratio of forward bias to reverse bias resistance of p-n junction diode is

A) ${{10}^{-1}}:1$

B) ${{10}^{-2}}:1$

C) ${{10}^{-3}}:1$

D) ${{10}^{-4}}:1$

• question_answer30) The time of revolution of an electron around a nucleus of charge$Ze$in nth Bohrs orbit is irectly proportional to

A) $n$

B) $\frac{{{n}^{3}}}{{{Z}^{2}}}$

C) $\frac{{{n}^{2}}}{Z}$

D) $\frac{Z}{n}$

• question_answer31) The average kinetic energy of thermal neutron is of the order of

A) 0.03eV

B) 3 eV

C) 3 keV

D) 3 MeV (Boltzmanns constant${{k}_{B}}=8\times {{10}^{-5}}eV/K$)

• question_answer32) If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound will be

A) 3.2 cm

B) 4.2 m

C) 4.2 cm

D) 3.2 m

• question_answer33) The phenomenon of rotation of plane polarized light is called

A) Kerr effect

B) double refraction

C) optical activity

D) dichroism

A) William Wallaston

B) William Herschel

C) Wilhelm Roentgen

D) Thomas Young

• question_answer35) White light is passed through a dilute solution of potassium permagnate. The spectrum produced by the emergent light is

A) band emission spectrum

B) line emission spectrum

C) band absorption spectrum

D) line absorption spectrum

• question_answer36) The ionization energy of$L{{i}^{2+}}$is equal to

A) $9~hcR$

B) $6~hcR$

C) $2~hcR$

D) $~hcR$

• question_answer37) The error in the measurement of radius of sphere is 0.3%, what is percentage error in the measurement of its volume?

A) 0.3%

B) 0.6%

C) 0.9%

D) $\frac{4}{3}\pi {{(0.3)}^{3}}$

• question_answer38) In a rectangle$ABCD\text{ }(BC=2AB),$the moment of inertia along axis will be minimum through A) BC

B) BD

C) HF

D) EG

• question_answer39) A child is sitting on a swing. Its minimum and maximum heights from the ground are 0.75 m and 2 m respectively, its maximum speed will be

A) 5 m/s

B) 8 m/s

C) 10 m/s

D) 15 m/s

• question_answer40) An oscillator is basically an amplifier with gain

A) less than unity

B) more than unity

C) zero

D) 0.5

• question_answer41) Which one of the following represents simple harmonic motion?

A) ${{x}^{2}}=a+bv$

B) $x=\sqrt{a+b{{v}^{2}}}$

C) $x=a-bv$

D) $x=\sqrt{a-b{{v}^{2}}}$

• question_answer42) The load versus elongation graph of four wires of same length and of the same material is shown in figure. The thinnest wire is represented by the line A) OA

B) OB

C) OC

D) OD

• question_answer43) An ideal choke of 10 H is joined in series with resistance of 5 0. and a battery of 5 V. The current in the circuit in 2 s after joining in ampere will be

A) ${{e}^{-1}}$

B) $1-{{e}^{-1}}$

C) $1-e$

D) $e$

• question_answer44) Generally semiconductor can be used safely between the temperatures

A) $-75{}^\circ C$and$200{}^\circ C$

B) $0{}^\circ C$ and$75{}^\circ C$

C) $-25{}^\circ C$and$300{}^\circ C$

D) $-40{}^\circ C$and$1000{}^\circ C$

• question_answer45) In a given process on an ideal gas$dW=0$and $dQ<0,$then for the gas

A) the temperature will decrease

B) the volume will increase

C) the pressure will remain constant

D) the temperature will increase

• question_answer46) The wavelength of light in air is$6000\overset{o}{\mathop{\text{A}}}\,$and in medium its value is$4000\overset{o}{\mathop{\text{A}}}\,$. It means that the refractive index of that medium with respect to air is

A) 1.2

B) 2.4

C) 0.66

D) 1.5

• question_answer47) A hollow prism is filled with water and placed in air. It will deviate the incident rays

A) towards the base

B) away from base

C) parallel to base

D) towards or away from base depending on the location

• question_answer48) A uniform electric field and a uniform magnetic field are produced, pointed in the same direction. An electron is projected with its velocity pointing in the same direction

A) the electron will turn to its left

B) the electron will turn on its right

C) the electron velocity will increase in magnitude

D) the electron velocity will decrease in magnitude

• question_answer49) In the case of constant a and P of a transistor

A) $\alpha \beta =1$

B) $\beta >1,\alpha >1$

C) $\alpha =\beta$

D) $\beta <1,\alpha >1$

• question_answer50) A cup of tea cools from$80{}^\circ C$to$60{}^\circ C$in 1 min. The ambient temperature is$30{}^\circ C$. In next 1 min its temperature will be

A) $40{}^\circ C$

B) $45{}^\circ C$

C) $48{}^\circ C$

D) $42{}^\circ C$

• question_answer51) A hydrogen atom is paramagnetic. A hydrogen molecule is

A) diamagnefic

B) paramagnetic

C) ferromagnetic

D) antiferromagnetic

• question_answer52) A DC circuit contains$10\,\Omega$. of resistance in series with 10 H coil. The impedance of the circuit is

A) $10\,\Omega$

B) $20\,\Omega$

C) $1\,\Omega$

D) zero

• question_answer53) Critical temperature of$C{{O}_{2}}$is$31.2{}^\circ C$. In summer, the room temperature is$40{}^\circ C$

A) $C{{O}_{2}}$cannot be liquefied

B) can be liquefied with increase of pressure

C) can be liquefied with decrease of pressure

D) can be liquefied if temperature of$C{{O}_{2}}$is decreased below$31.2{}^\circ C$

• question_answer54) In a meter bridge with a standard resistance of $5\,\Omega ,$in the left gap, the ratio of balancing lengths on the meter bridge wire is$2:3$. The unknown resistance is

A) $3.3\,\Omega$

B) $7.5\,\Omega$

C) $10\,\Omega$

D) $15\,\Omega$

• question_answer55) Youngs double slit experimental arrangement is shown in figure. If$\lambda$is the wavelength of light used and$<{{S}_{1}}C{{S}_{2}}=\theta ,$then the fringe width will be A) $\frac{\lambda }{\theta }$

B) $\frac{\lambda }{2\theta }$

C) $\lambda \theta$

D) $\frac{2\lambda }{\theta }$

• question_answer56) If at the same temperature and pressure, the densities of two diatomic gases are${{d}_{1}}$and${{d}_{2}}$respectively, the ratio of mean kinetic energy per molecule of gases will be

A) $1:1$

B) ${{d}_{1}}:{{d}_{2}}$

C) $\sqrt{{{d}_{1}}}:\sqrt{{{d}_{2}}}$

D) $\sqrt{{{d}_{2}}}:\sqrt{{{d}_{1}}}$

• question_answer57) In AC circuit a resistance of$R\,\Omega ,$is connected in series with an inductance L. If the phase difference between the current and voltage is $45{}^\circ ,$the inductive reactance will be

A) $R/2$

B) $R/4$

C) R

D) None of these

• question_answer58) A metallic wire of density d of floats in water. The maximum radius of the wire, so that it may not sink is

A) $\sqrt{2\pi dgT}$

B) $\sqrt{\frac{2T}{\pi dg}}$

C) $\sqrt{\frac{\pi dg}{2T}}$

D) $\sqrt{\frac{2Tg}{\pi d}}$

• question_answer59) Musical interval between two notes of frequencies 320 and 240 is

A) 1.33

B) 80

C) 7

D) 1.78

• question_answer60) A cubical copper block has each side 2.0 cm. It is suspended by a string and submerged in oil of density$820\text{ }kg/{{m}^{3}}$. The tension in the string is (density of copper$8920\text{ }kg/{{m}^{3}},\text{ }g=10\text{ }m/{{s}^{2}}$)

A) 0.648 N

B) 0.712 N

C) 0.066 N

D) 1.37 N

• question_answer61) Bond polarity of diatomic molecule is because$o$

A) difference in electron affinities of two atoms

B) difference in electro negativities of two atoms

C) difference in ionisation potentials

D) All of the above

• question_answer62) The structure of$P{{F}_{5}}$molecule is

A) square planar

B) tetrahedral

C) trigonal bipyramidal

D) pentagonal bipyramidal

• question_answer63) A solid is made of two elements X and Z. The atoms Z are in CCP arrangement while the atoms X occupy all the tetrahedral sites. What is the formula of the compound?

A) $XZ$

B) $X{{Z}_{2}}$

C) ${{X}_{2}}Z$

D) ${{X}_{2}}{{Z}_{3}}$

• question_answer64) This graph expresses the various steps of the system containing 1 mole of gas. Which type of process system has when it moves from C to A? A) Isochoric

B) Isobaric

C) Isothermal

D) Cyclic

• question_answer65) During the evaporation of liquid

A) the temperature of the liquid will rise

B) the temperature of the liquid will fall

C) may rise or fall depending on the nature

D) the temperature remains unaffected

• question_answer66) A system absorb 600 J of heat and work equivalent to 300 J on its surroundings. The change in internal energy is

A) 300 J

B) 400 J

C) 500 J

D) 600 J

• question_answer67) The enthalpies of combustion of carbon and carbon monoxide are$-393.5$and$-283\text{ }kJ$ $mo{{l}^{-1}}$respectively. The enthalpy of formation of carbon monoxide per mole is

A) $-676.9\text{ }kJ$

B) $676.5\text{ }kJ$

C) $110.5\text{ }kJ$

D) $-110.5\text{ }kJ$

• question_answer68) A reversible chemical reaction having two reactants in equilibrium. If the concentrations of the reactants are doubled, then the equilibrium constant will

A) be halved

B) also be doubled

C) reamins the same

D) None of these

• question_answer69) For which order half-life period is independent of initial concentration?

A) Zero

B) First

C) Second

D) Third

• question_answer70) Ammonia gas dissolves in water to form$N{{H}_{4}}OH$. In this reaction water acts as

A) a conjugate base

B) a non-polar solvent

C) an acid

D) a base

• question_answer71) If acetic acid is mixed with sodium acetate then ${{H}^{+}}$ion concentration will be

A) increased

B) decreased

C) remains unchanged

D) pH decreased

• question_answer72) A weak acid HX has the dissociation constant$1\times {{10}^{-5}}M$. It forms a salt$NaX$on reaction with alkali. The degree of hydrolysis of 0.1 M solution of$NaX$is

A) 0.0001%

B) 0.01%

C) 0.1%

D) 0.15%

• question_answer73) The electron affinity of halogens are$F=322,$ $Cl=349,\text{ }Br=324,l=295\text{ }kJ\text{ mo}{{\text{l}}^{-1}}$. The higher value for$Cl$as compared to that of F is due to

A) weaker electron-electron repulsion in $Cl$

B) higher atomic radius of F

C) smaller electronegativity of F

D) more vacant p-subshell in $Cl$

• question_answer74) The first ionization potential of$Na,Mg,Al$ and $Si$are in the order,

A) $Na>Mg>Al>Si$

B) $Na>Mg>Al<Si$

C) $Na<Al<Mg<Si$

D) $Na<Mg<Al>Si$

• question_answer75) $NaCN$is sometimes added in the froth floatation process as a depressant when$ZnS$ and$PbS$ minerals are expected because

A) $ZnS$forms soluble complex$N{{a}_{2}}[Zn{{(CN)}_{4}}]$while$PbS$ forms froth

B) $Pb{{(CN)}_{2}}$is precipitated while no effect on $ZnS$

C) $PbS$forms soluble complex$N{{a}_{2}}[Pb{{(CN)}_{4}}]$ while$ZnS$form froth

D) $NaCN$is never added in froth floatation Process

• question_answer76) Which of the following ore is called malachite?

A) $C{{u}_{2}}S$

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

C) $CuC{{O}_{3}}.Cu{{(OH)}_{2}}$

D) $C{{u}_{2}}O$

• question_answer77) White phosphorus$({{P}_{4}})$has

A) four$P-P$single bonds

B) four lone pair of electrons

C) PPP angle of$60{}^\circ$

D) light$P-P$single bonds

• question_answer78) Which of the following is most polarised?

A) $Kr$

B) $Ar$

C) $He$

D) $Xe$

• question_answer79) On dissolving moderate amount of sodium metal in liquid$N{{H}_{3}}$at low temperature, which one of the following does not occur?

A) $N{{a}^{+}}$ions are formed in the solution

B) Blue coloured solution is obtained

C) Liquid$N{{H}_{3}}$becomes good conductor of electricity

D) Liquid ammonia remains diamagnetic

A) $F{{e}^{3+}}$

B) $C{{r}^{3+}}$

C) $M{{n}^{3+}}$

D) $C{{o}^{3+}}$

• question_answer81) The basic character of the transition metal monoxides follows the order (At no. of $Ti=2%V=23,Cr=24,Fe=26$)

A) $TiO>VO>CrO>FeO$

B) $VO>CrO>TiO>FeO$

C) $CrO>VO>FeO>TiO$

D) $TiO>FeO>VO>CrO$

• question_answer82) Which of the following is not an element?

A) 22 carat gold

B) Graphite

C) Diamond

D) Rhombic sulphur

• question_answer83) Which of the following weights less when weighted in magnetic field?

A) $SrC{{l}_{3}}$

B) $FeC{{l}_{3}}$

C) $TiC{{l}_{3}}$

D) $VC{{l}_{3}}$

A) B) C) D) • question_answer85) The alcohol that produces turbidity immediately with Lucas reagent at room temperature

A) 1-hydroxy butane

B) 2-hydroxy butane

C) 2-hydroxy-2-methyl propane

D) 1-hydroxy-2-methyl propane

• question_answer86) $A\xrightarrow[{}]{HCN}B\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}$Lactic acid. Identify A

A) $HCHO$

B) $C{{H}_{3}}CHO$

C) ${{C}_{6}}{{H}_{5}}CHO$

D) $C{{H}_{3}}COC{{H}_{3}}$

• question_answer87) Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid?

A) Phenol

B) Benzaldehyde

C) Butanal

D) Benzoic acid

• question_answer88) Catalyst$SnC{{l}_{2}}/HCl$is used in

A) Stephens reduction

B) Cannizzaros reaction

C) Clemmensen reduction

D) Rosenmunds reduction

• question_answer89) The number of ions formed when cuprammonium sulphate is dissolved in water is

A) zero

B) 1

C) 2

D) 4

• question_answer90) An example of double salt is

A) potash alum

B) hypo

C) ${{K}_{4}}[Fe{{(CN)}_{6}}]$

D) bleaching powder

• question_answer91) In$Fe{{(CO)}_{5}},$the$Fe-C$bond possesses

A) $\pi$character only

B) both$\sigma$and$\pi$characters

C) ionic character

D) $\sigma$character only

• question_answer92) Formic acid and acetic acid are distinguished by

A) $NaHC{{O}_{3}}$

B) $FeC{{l}_{3}}$

C) Victor Mayer test

D) Toilers reagent

• question_answer93) The main product obtained in the reaction of acetamide and$HN{{O}_{2}}$is

A) $C{{H}_{3}}CN$

B) $C{{H}_{3}}NC$

C) $C{{H}_{3}}N{{H}_{2}}$

D) $C{{H}_{3}}COOH$

• question_answer94) $Ca{{C}_{2}}+{{H}_{2}}O\xrightarrow[{}]{{}}A\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}}/HgS{{O}_{4}}}B$ Identify A and B in the given reaction

A) ${{C}_{2}}{{H}_{2}}$and$C{{H}_{3}}CHO$

B) $C{{H}_{4}}$and$HCOOH$

C) ${{C}_{2}}{{H}_{4}}$and$C{{H}_{3}}COOH$

D) ${{C}_{2}}{{H}_{2}}$ and$C{{H}_{3}}COOH$

• question_answer95) Which one of the following has the minimum boiling point?

A) $n-$butane

B) $1-$butyne

C) $1-$butene

D) Isobutene

• question_answer96) Which of these do not form Grignard reagent?

A) $C{{H}_{3}}Cl$

B) $C{{H}_{3}}F$

C) $C{{H}_{3}}Br$

D) $C{{H}_{3}}I$

• question_answer97) In alkaline hydrolysis of a tertiary halide by aqueous alkali if concentration of alkali is doubled, then the reaction

A) will be doubled

B) will be halved

C) will remain constant

D) None of the above

• question_answer98) The functional group which is found in amino acid is

A) $-COOH$

B) $-N{{H}_{2}}$ group

C) $-C{{H}_{3}}$group

D) Both [a] and [b]

• question_answer99) Glucose and manose are

A) anomers

B) epimers

C) ketohexoses

D) disaccharides

• question_answer100) The antiseptic present in Dettol is

A) qodine

B) chloroxylenol

C) bithional

D) None of these

• question_answer101) Reduction- of nitrobenzene in the presence of $Zn/N{{H}_{4}}Cl$gives

A) hydrazobenzene

B) aniline

C) azobenzene

D) N-phenyl hydroxylamme

• question_answer102) Amongst the following the most basic compound is

A) $p-$nitroaniline

B) acetahilide

C) aniline

D) benzylamine

• question_answer103) Reaction of aniline with acetyl chloride in the presence of$NaOH$gives

A) acetanilide

B) $p-$chloroaniline

C) a red dye

D) aniline hydrochloride

• question_answer104) A metal oxide has the formula${{A}_{2}}{{O}_{3}}$. It can be reduced by hydrogen to give free metal and water. 0.1596 g of this metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic weight of metal?

A) $52.3$

B) $57.5$

C) $55.8$

D) $59.3$

• question_answer105) An electron moves away from the nucleus, its potential energy

A) increases

B) decreases

C) remains constant

D) None of these

• question_answer106) An$f-$shell containing 6 unpaired electrons can exchange

A) 6 electrons

B) 9 electrons

C) 12 electrons

D) 15 electrons

• question_answer107) The electronic configuration of P in${{H}_{3}}P{{O}_{4}}$is

A) $1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}$

B) $1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}$

C) $1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}$

D) $1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}4{{s}^{1}}$

• question_answer108) Underlined carbon is$s{{p}^{3}}$hydridised in

A) $C{{H}_{3}}\underline{C}H=C{{H}_{2}}$

B) $C{{H}_{3}}-C{{H}_{2}}-N{{H}_{2}}$

C) $C{{H}_{3}}\underline{C}ON{{H}_{2}}$

D) $C{{H}_{3}}C{{H}_{2}}\underline{C}N$

• question_answer109) Acetaldehyde is the rearrangement product of

A) methyl alcohol

B) allyl alcohol

C) vinyl alcohol

D) All of these

• question_answer110) Which of the following does, not show${{S}_{{{N}_{2}}}}$reaction?

A) Vinylic halide, B) Allyl chloride,$C{{H}_{2}}=CH-C{{H}_{2}}Cl$

C) Chloro benzene.${{C}_{6}}{{H}_{5}}Cl$

D) All of the above

• question_answer111) Meso tartaric acid is optically inactive due to the presence of

A) molecular symmetry

B) molecular asymmetry

C) external compensation

D) two asymmetric C-atoms

• question_answer112) IUPAC name of$C{{H}_{3}}O{{C}_{2}}{{H}_{5}}$is

A) ethoxy methane

B) methoxy ethane

C) Both [a] and [b]

D) None of these

• question_answer113) Which of the following applies in the reaction? $C{{H}_{3}}CHBrC{{H}_{2}}C{{H}_{3}}\xrightarrow[{}]{Alco.\,KOH}?$ (I)$C{{H}_{2}}CH=CHC{{H}_{3}}$(major product) (II) $C{{H}_{2}}=CHC{{H}_{2}}C{{H}_{3}}$ (minor product)

A) Hofmanns rule

B) Saytzeffs rule

C) Kharasch effect

D) Markownikoffs rule

• question_answer114) In which case Raoults law is not applicable?

A) $1\text{ }M\text{ }NaCl$

B) 1 M-urea

C) 1M glucose

D) 1M sucrose

• question_answer115) The freezing point of one molal$NaCl$solution. assuming$NaCl$to be 100% dissociated in water is (molal depression constant is 1.86)

A) $-2.72{}^\circ C$

B) $-3.72{}^\circ C$

C) $2.72{}^\circ C$

D) $3.72{}^\circ C$

• question_answer116) On passing 3 A of electricity for 50 min, 1.8 g metal deposits. The equivalent mass of metal is

A) 9.3

B) 19.3

C) 38.3

D) 39.9

• question_answer117) The standard emf for the given cell reaction, $Zn+C{{u}^{2+}}\xrightarrow[{}]{{}}Cu+Z{{n}^{2+}}$is 1.10 V at$25{}^\circ C$. The emf for the cell reaction, when$0.1\text{ }M\text{ }C{{u}^{2+}}$and  solutions are used at $25{}^\circ C$ is

A)  1.10V

B)  $-1.10V$

C)  2.20V

D)  $-2.20V$

• question_answer118) Purple of cassius is

A) colloidal solution of Au

B) colloidal solution of $Pt$

C) colloidal solution of Ag

D) colloidal solution of As

• question_answer119) Adsorption is accompanied by the evolution of heat, so, according to Le-Chatelier principle, the amount of substance adsorbed should

A) increase with decrease in T

B) increase with increase in T

C) decrease with decrease in T

D) decrease with increase in T

• question_answer120) The oxidation number of iron in$F{{e}_{3}}{{O}_{4}}$is

A) $+2$

B) $+3$

C) $\frac{8}{3}$

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

• question_answer121) Chance favours the trained mind. This statement was made by

A) lan Wilmut

B) Robert Koch

C) Louis Pasteur

D) James D Watson

• question_answer122) In agar plate medium having bacteriophages and bacteria, there are clear transparent area called

A) transport parts

B) holes

C) bacteriophages

D) plaques

A) population of one type

B) a group of interbreeding populations

C) a group of individuals inhabiting geographical area

D) population of individuals having same genotypes and phenotypes

• question_answer124) Most of the broad spectrum antibiotics have been obtained from

A) Actinomycetes

B) bacilli

C) spirochaetes

D) archaebacteria

• question_answer125) Which is a wrong statement?

A) Plasmids of cyanobacteria have been used in biotechnology

B) DNA of cyanobacteria is circular and double-stranded

C) Cyanobacteria possess single linkage group

D) Like bacteria, they also exhibit genetic recombination

• question_answer126) Quinine, the remedy for malaria is extracted from

A) stem of Hevea

B) bark of Cinchona

C) bark of Cinnamon

D) leaves of Ocimum

• question_answer127) Which part of Ephedra yields ephedrine?

A) Flowers

B) Stem or whole plant

C) Leaves

D) Roots

• question_answer128) Which is not a larva of sponge?

A) Tornaria

B) Parenchymula

C) Stereogastrula

D) Amphiblastula

• question_answer129) Which of these phenomenon is found in Hydra?

A) Metamerism

B) Metabolism

C) Metamorphosis

D) Sexual dimorphism

• question_answer130) Complete metamorphosis occurs in

A) bedbug

B) silverfish

C) grasshopper

D) moths and mosquitoes

A) one digit

B) three digits

C) four digits

D) five digits

• question_answer132) Which of the following stains is used for determination of cytochrome oxidase activity in the cell?

A) Eosin

B) Neutral red

C) Janus green B

D) Methylene blue

• question_answer133) The cell theory is not applicable to

A) algae

B) fungi

C) viruses

D) lichens

• question_answer134) $N{{a}^{+}}-{{K}^{+}}$pump is found in the membranes of many cells, like nerve cells. It works against electrochemical gradient and involve an integral protein ATPase. For each molecule of ATP used

A) 3 ions of$N{{a}^{+}}$are pumped out and$2{{K}^{+}}$are taken in

B) 3 ions of$N{{a}^{+}}$are taken in and$2{{K}^{+}}$are pumped out.

C) 2 ions of$N{{a}^{+}}$are thrown out and$3{{K}^{+}}$are absorbed

D) 3 ions of${{K}^{+}}$are absorbed and$3N{{a}^{+}}$are pumped out

• question_answer135) Which one is not protein?

A) Actin

B) Myosin

C) Albumin

D) Haematin

• question_answer136) Maximum number of enzymes are found in

A) herbivores

B) carnivores

C) omnivores

D) None of these

• question_answer137) A gene whose phenotypic effect kills the bearer is called

A) lethal

B) pleiotropic

C) supplementary

D) complementary

• question_answer138) Balbiani rings are the structural features of

A) allosomes

B) autosomes

C) polytene chromosomes

D) Lampbrush chromosomes

• question_answer139) Which of the following statements regarding a double helical molecule of DNA is true?

A) Each strand is identical

B) Each strand replicates itself

C) Bases are perpendicular to the axis

D) All hydroxyl groups of pentose are involved; in linkage

• question_answer140) The central dogma is not applicable in the case of

A) retroviruses

B) all prokaryotes

C) all animal viruses

D) all plant viruses

• question_answer141) A gene which synthesises a represser protein is

A) operator gene

B) promoter gene

C) structural gene

D) regulator gene

• question_answer142) The immediate product of transcription in eukaryotes will be

A) $hn-RNA$

B) $mRNA$

C) $c-DNA$

D) $Sn-RNA$

• question_answer143) Mr. Sharma has Bb autosomal gene pair and d allele sex-linked. What will be the proportion of$Bd$in sperms?

A) 0

B) $1/4$

C) $1/2$

D) $1/8$

• question_answer144) The category of molecules produced by the Miller-Urey experiment was

A) organic polymers

B) inorganic polymers

C) organic monomers

D) inorganic monomers

• question_answer145) In mammals, Melanocyte Stimulating Hormone (MSH) is

A) steroid hormone

B) vestigial hormone

C) effective hormone

D) protein hormone

• question_answer146) Birbal Sahni worked on

A) algae

B) bryophytes

C) fossil plants

D) angiosperms

• question_answer147) Modem man differs from apes in

A) protruding eyes

B) thick body hairs

C) wearing of clothes

D) arms shorter than legs

A) wheat field

C) mustard field

D) dense tropical forest

• question_answer149) Coconut fruit is dispersed by

A) man

B) wind

C) birds

D) water

• question_answer150) Outermost part of bark consisting of dead cells refers to

A) rhytidome

B) phellem

C) phellogen

D) phelloderm

• question_answer151) In hypertonic solution, water potential of cell

A) increases

B) decreases

C) first increases and then decreases

D) remains unchanged

• question_answer152) The stage of ornithine cycle at which arginase enzyme used is

A) Ornithine$\xrightarrow[{}]{{}}$citrulline

B) Arginine$\xrightarrow[{}]{{}}$ ornithine

C) Citrulline$\xrightarrow[{}]{{}}$Argino succinic acid

D) Ornithine$\xrightarrow[{}]{{}}$Urea

• question_answer153) Oxygen produced in photosynthesis comes from$Hp$was shown by

A) Robert Mayer

B) Ruben and Kamen

C) Calvin

D) Robert Hill

• question_answer154) The RQ of${{C}_{39}}{{H}_{72}}{{O}_{6}}$is

A) 2.71

B) 1.34

C) 0.718

D) 3.250

• question_answer155) Match the following columns.

 Column I Column II A. Skeletal tissue 1. Between muscles B. Blood 2. Vascular tissue C. Areolar tissue 3. Sweat glands D. Serous glands 3. Cartilage

A) A- 4 B- 2 C-1 D-3

B) A-1 B-2 C-3 D-1

C) A-2 B-1 C-3 D-4

D) A-4 B- 2 C-1 D-3

• question_answer156) Compare the statement A and B.

 Statement A Liver is 3-lobed in frog, 5-lobed in rabbit and 4-lobed in man. Statement B Liver is ectodermat in origin select the correct description.

A) Both the statements A and B are correct and B is the correct explanation of A

B) Both the statements A and B are correct and B is not correct explanation of A.

C) Statement A is correct and B is wrong

D) Statement A is wrong and B is correct

• question_answer157) Which of these are never present in frogs ovary?

A) Oogonia

B) Corpus luteum

C) Ovarian follicles

D) Germinal epithelium

A) polypeptides

B) polysaccharide in any medium

C) polysaccharide in acidic medium

D) polysaccharide in alkaline medium

• question_answer159) The medullary respiratory centre is directly affected

A) chemically

B) physically

C) neuronally

D) None-of these

• question_answer160) Blood of which vessel in mammals carries least percentage of urea?

A) Renal vein

B) Dorsal aorta

C) Renal artery

D) Posterior vena caya

• question_answer161) Match the following columns.

 Column I Column II A. Polyuria 1. WBCs pus in urine B. Pyuria 2. High level of uric acid in blood C. Gout 3. Excess of urine output D. Haematuria 3. Presence of blood (RBCs) in urine

A) A-3 B-1 C-2 D-4

B) A-2 B-3 C- 1 D-4

C) A- 1 B-2 C-3 D-4

D) A-4 B- 3 C-2 D-1

• question_answer162) Brush border is a characteristic of

A) proximal convoluted tubule

B) neck of nephron

C) collecting tube

D) All of the above

• question_answer163) Which of the following is not a sesamoid bone?

B) Patella

C) Fibulla

D) Pisciform

• question_answer164) Rigidity that develops in the muscle after death is known as

A) twitch

B) treppe

C) tetanus

D) Rigor Mortrs

A) neural messenger

B) antistress hormone

C) chemical messenger

D) chemical transmitter

• question_answer166) Heariny is controlled by

A) cerebellum

B) diencephalon

C) frontal lobe of cerebrum

D) temporal lobe of cerebrum

• question_answer167) When a person suffers from a marked fall in blood pressure, it is helpful to administer to him the following hormone

A) GH

B) insulin

C) thyroxine

• question_answer168) Nurse tissue technique is applied in

A) pollen culture

B) embryo culture

C) ovule culture

D) ovary culture

• question_answer169) Compare the statement A and B.

 Statement: A Ethylene is a gas which acts as growth regulator of plants. Statement: B It is the most simple plant hormone.

A) Both the statements A and B are correct and B is the correct explanation of A

B) Both the statements A and B are correct and B is not correct explanation of A.

C) Statement A is correct and B is wrong

D) Statement A is wrong and B is correct

• question_answer170) Maximum amount of growth in root occurs

A) in the presence of light

B) at its apex

C) behind the apex

D) in the presence of soil

• question_answer171) Which of the following is found inside Graafian follicle?

A) Cortex

B) Medulla

C) Corpus luteum

D) Membrane follicle

• question_answer172) Human embryo will be called as a foetus after

A) two months

B) six months

C) four months

D) seven months

A) pronephros

B) mesonephros

C) holonephros

D) metanephros

• question_answer174) Growth hormone activity is

A) increased by thyroxine

B) unaffected by thyroxine

C) decreased by thyroxine

D) None of the above

• question_answer175) Helical contractile sheath is found in

A) virus

B) bacterium

C) fungus

D) bacteriophage

• question_answer176) The process in which DNA of a bacterial cell is transferred into another bacterial cell by a virus is known as

A) conjugation

B) transduction

C) reproduction

D) transformation

• question_answer177) With which one of the following organism a bacterium resembles most?

A) Yeast

B) Virus

C) Amoeba

D) Anabaena

A) in culture media

B) in body of living host only

C) in bacterial cells

D) on dead and decaying organic matter

A) air

B) kissing

C) housefly

D) Anopheles

• question_answer180) Gill of mushroom are meant for

A) reproduction

B) respiration

C) assimilation

D) nutrition

• question_answer181) How many microsporangia are found in a monothecous anther?

A) Only one

B) Two

C) Four

D) Many

• question_answer182) Resin or terpentine oil is obtained from

A) Pinus

B) Cedrus

C) Cycas

D) None of these

• question_answer183) The unit used for the measurement of size of cell is

A) $nm$

B) $mm$

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

D) $\mu m$

• question_answer184) Which one is a prokaryote?

A) Spirogyra

B) Agaricus

C) Bacteriophage

D) Streptococcus

• question_answer185) The primary function of intermediate filament is

A) generate movement

B) provide mechanical stability

C) transport organelles within the cell

D) stabilize microtubules against disassembly

• question_answer186) Mitochondria will be found in abundance in cells of tissues having

A) minimum activity

B) average activity

C) maximum activity

D) None of these

• question_answer187) The blood cell which shows phagocytosis is

A) platelet

B) basophil

C) monocyte

D) eosinophil

• question_answer188) Zygotic meiosis occurs in

A) Pinus

B) Marchantia

C) Dryopteris

D) Chlamydomonas

• question_answer189) Variations occur mostly due to

B) nutrition

C) segregation

D) crossing over

• question_answer190) The ovum of human female has autosomes

A) 22

B) 22 pairs

C) 23 pairs

D) 44 pairs

• question_answer191) Which of the following enzymes is not required for DNA synthesis?

A) Ligase

B) $DNAse$

C) DNA polymerase

D) RNA polymerase

• question_answer192) A potent inhibitor of protein synthesis that acts as an analogue of aminoacyle$-tRNA$ is

A) rifampicin

B) puromycin

C) mitomyocin

D) streptomycin

• question_answer193) Loreal pit in vipers act as which receptor?

A) Photo

B) Thermo

C) Auditory

D) Gustatory

• question_answer194) Milk glands are characteristics of

A) all vertebrates

B) only mammals

C) only placental mammals

D) only ruminants

A) asymmetrical

B) symmetrical

C) achlamydous

D) All of these

• question_answer196) Funnel-shaped style and stigma develops in

A) Crocus sativus

B) Hibiscus

C) Helianthus

D) Gloriosa

• question_answer197) Papain (a proteolytic enzyme) is found in the latex of

A) Carica

B) Ficus

C) Nerium

D) Euphorbia

• question_answer198) Root pressure is measured by

A) potometer

B) barometer

C) manometer

D) auxanometer

• question_answer199) Photolysis of water is caused by

A) $PS-I$

B) $PS-II$

C) $PS-I$and$PS-II$

D) None of these

• question_answer200) When 100% carbon is oxidized to $C{{O}_{3}},$the efficiency of such respiration is

A) 40%

B) 60%

C) 90%

D) 100%

• question_answer201) According to Mahatma Gandhi, education is

A) a medium through which people are taught to become sensitive to the realities around them

B) a tool to develop their conscience and Constitution

C) a tool to develop their understanding of the Constitution of society

D) an instrument to develop their society Consciously

• question_answer202) The National Policy on Education provided

A) guidelines for the comprehension of education in the country

B) guidance material to develop education in the country

C) a comprehensive plan for the development. of education in the country

D) comprehensive development of education in the country

• question_answer203) According to the passage, critics and educationists are worried that

A) the education of girls is one of the objectives of NPE

B) the objectives of NPE have not been fulfilled

C) non-fulfilment of NPE leads to the education of girls

D) one of the objectives of NPE has not been fulfilled

• question_answer204) According to the passage, a strong gender focus means

A) a focus on the strength of gender

B) a focus on strong gender

C) a strong focus on gender bias

D) a focus on male-female ratio

• question_answer205) In the passage, the author makes a plea for

A) free education

B) universal education

C) the education of men

D) the education of women

• question_answer206) Directions: Choose the alternative which can be substituted for the given group of words. A person who maliciously destroys by fire.

A) Antagonist

B) Activist

C) Terrorist

D) Incendiary

• question_answer207) Directions: Choose the alternative which can be substituted for the given group of words. A house for storing grains.

A) Cellar

B) Store

C) Godown

D) Granary

• question_answer208) Directions: Choose the alternative which can be substituted for the given group of words. A person very hard to please.

A) Obstinate

B) Unconquerable

C) Fastidious

D) Invincible

• question_answer209) Directions: Choose the alternative which can be substituted for the given group of words. A person claiming to be superior in culture and intellect to others.

A) Intellectual

B) Aristocrat

C) Elite

D) Highbrow

• question_answer210) Directions: Choose the most suitable alternative to fill in the blank. If a Universal language really existed, people like tourists and businessmen would find it easier to ......... with foreigners.

A) transact

B) communicate

C) deal

D) exchange

• question_answer211) Directions: Choose the most suitable alternative to fill in the blank. On account of his humiliating defeat in the recent elections, he appeared unusually ......... when I called on him the other day.

A) oppressed

B) repressed

C) depressed

D) suppressed

• question_answer212) Directions: Choose the most suitable alternative to fill in the blank. You need ......... shoes for walking in the hills.

A) good

B) comfortable

C) satisfactory

D) sturdy

• question_answer213) Directions: Choose the most suitable alternative to fill in the blank. Amongst the two brothers, Sammeer being worthier often ......... the younger Deepak.

A) dominates

B) eclipses

C) subdues

• question_answer214) Directions: Choose the alternative which is an improvement upon the italicized part of the sentence. If the sentence is correct as it is, choose as your answer. He enjoys to tell stories to children.

A) how to tell stories

B) telling stories

C) to narrate stories

D) No improvement

• question_answer215) Directions: Choose the alternative which is an improvement upon the italicized part of the sentence. If the sentence is correct as it is, choose as your answer. Galileo said that the earth revolved around the Sun.

A) has revolved

B) has been revolving

C) revolves

D) No improvement

• question_answer216) Directions: Choose the alternative which is an improvement upon the italicized part of the sentence. If the sentence is correct as it is, choose as your answer. The matter must be considered in every point of view.

A) with

B) from

C) at

D) No improvement

• question_answer217) Directions: Choose the alternative which is nearest in meaning to the word given in capital letters. FOSTER

A) Encourage

B) Fabricate

C) Foment

D) Nurture

• question_answer218) Directions: Choose the alternative which is nearest in meaning to the word given in capital letters. ENIGMA

A) Elusive

B) Clear

C) Puzzle

D) Praise

• question_answer219) Directions: Choose the alternative which is nearest in meaning to the word given in capital letters. FILTHY

A) Healthy

B) Ugly

C) Dirty

D) Angry

• question_answer220) Directions: Choose the alternative which is nearest in meaning to the word given in capital letters. NOSTALGIC

A) Soothing

B) Homesick

C) Diseased

D) Indolent

• question_answer221) Directions: In each of the following questions, there occurs a specific relations. Fill the vacant space (?) question mark according to that relation. Door : Bang : : Chain :?

A) Clank

B) Tinkle

C) Thunder

D) Clinch

• question_answer222) Directions: In each of the following questions, there occurs a specific relations. Fill the vacant space (?) question mark according to that relation. Bread : Wheat: : Brick :?

A) Cement

B) Building

C) Clay

D) Fire

• question_answer223) Directions: In each of the following questions, there occurs a specific relations. Fill the vacant space (?) question mark according to that relation. Mouse : Cat: : Fly :?

A) Horse

B) Spider

C) Rat

D) Animal

• question_answer224) Directions: In each of the following questions, there occurs a specific relations. Fill the vacant space (?) question mark according to that relation. Mirror : Reflection : : Water :?

A) Immersion

B) Conduction

C) Refraction

D) Dispersion

• question_answer225) Directions: In each of the following questions, there occurs a specific relations. Fill the vacant space (?) question mark according to that relation. Tennis : Court: : Boxing :?

A) Ring

B) Course

C) Pool

D) Arena

• question_answer226) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Sarnath : Kapilavastu : Sanchi

A) These have ancient universities

B) These are places having massive pillars

C) These are linked with Lord Buddha

D) These are famous for stone caves

• question_answer227) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Ebony : Rosewood : Mahogany

A) These are hardwood trees,

B) These are coniferous trees

C) These yield good for fuel

D) These are trees of temperature regions

• question_answer228) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Arjun : Uddhav : Sudama

A) They were all princes

B) They were friends of Krishna

C) They were Pandavas

D) They were great warriors

• question_answer229) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Sherlock Holmes : James Bond : Hercules Poirot

A) They are the only detective agents

B) They are private detectives

C) They are agents of CBI

D) They are characters from detective fiction

• question_answer230) Directions: In the following questions, choose the option which shows common feature in the relationship given in each question. Goose : Duck : Stork

A) They are white

B) They are water birds

C) These species are disappearing

D) They migrate to India from Siberia.

• question_answer231) Who is named as the flying Sikh of India?

A) Mohinder Singh

B) Ajit Pal Singh

C) Joginder Singh

D) Milkha Singh

• question_answer232) The members of Rajya Sabha are elected for a term of

A) two years

B) four years

C) six years

D) five years

• question_answer233) Who was the first Governor-General of Bengal?

A) Robert Clive

B) Warren Hastings

C) William Bentinck

D) Cornwallis

• question_answer234) Jnanpith Award is conferred to those in the field of

A) Literature

B) History

C) Drama

D) Dance

• question_answer235) What was Lala Lajpat Rai demonstrating against when he succumbed to police brutality?

A) Rowlatt Act

B) Minto-Morley Reforms

C) Simon Commission

D) Pitts India Act

• question_answer236) The present Indian monetary system is based on

A) Gold Reserve System

B) Proportional Reserve System

C) Convertible Currency System

D) Minimum Reserve System

• question_answer237) Garba is a dance form of

A) Gujarat

B) Rajasthan

C) Odisha

D) Asom

A) Automatic Teller Machine

B) Automated Teller Machine

C) Automatic Tally Machine

D) Automated Tally Machanism

• question_answer239) The first African National to become Secretary General of UNO was

A) Kofi Annan

B) Burros Gali

C) Nelson Mandela

D) Winni Mandela

• question_answer240) Who was the first Indian woman to scale Mt Everest?

A) Bachendri Pal

B) Fu Dorji

C) Aun Sang Suu Kyi

D) Yoko Ono

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