# Solved papers for JIPMER Jipmer Medical Solved Paper-2012

### done Jipmer Medical Solved Paper-2012

• question_answer1) The tip of a needle does not give a sharp image on a screen. This is due to

A) polarization

B) interference

C) diffraction

D) None of these

• question_answer2) The sound waves after being converted into electrical waves are not transmitted as such because

A) they travel with the speed of sound

B) the frequency is not constant

C) they are heavily absorbed by the atmosphere

D) the height of antenna has to be increased several times

• question_answer3) In an L-C-R circuit inductance is changed from L to L/2. To keep the same resonance frequency, C should be changed to

A) $2\,C$

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

C) $4\,C$

D) $\frac{C}{4}$

• question_answer4) A magnetic field exerts no force on

A) a magnet

B) an unmagnetised iron bar

C) a moving charge

D) stationary charge

• question_answer5) A current of 1.6 A is passed through a solution of$CuS{{O}_{4}}.$ How many$C{{u}^{++}}$ions are liberated in one minute? (Electronic charge$=1.6\times {{10}^{-19}}C$)

A) $3\text{ }\times \text{ }{{10}^{20}}$

B) $3\text{ }\times \text{ }{{10}^{10}}$

C) $6\text{ }\times \text{ }{{10}^{20}}$

D) $6\text{ }\times \text{ }{{10}^{10}}$

• question_answer6) A soap bubble of radius r is blown up to form a bubble of radius 2r under isothermal conditions. If T is the surface tension of soap solution, the energy spent in the blowing

A) $3\pi T{{r}^{2}}$

B) $6\pi T{{r}^{2}}$

C) $12\pi T{{r}^{2}}$

D) $24\pi T{{r}^{2}}$

• question_answer7) If the ratio of lengths, radii and Youngs modulus of steel and brass wires shown in the figure are a, b and c respectively, the ratio between the increase in lengths of brass and steel wires would be:

A) $\frac{{{b}^{2}}a}{2c}$

B) $\frac{bc}{2{{a}^{2}}}$

C) $\frac{b{{a}^{2}}}{2c}$

D) $\frac{a}{2{{b}^{2}}c}$

• question_answer8) The two lenses of an achromatic doublet should have

A) equal powers

B) equal dispersive powers

C) equal ratio of their power and dispersive power

D) sum of the product of their powers and dispersive power equal to zero

• question_answer9) A hollow sphere of volume V is floating on water surface with half immersed in it. What should be the minimum volume of water poured inside the sphere so that the sphere now sinks into the water

A) $\frac{V}{2}$

B) $\frac{V}{3}$

C) $\frac{V}{4}$

D) $V$

• question_answer10) When a ceiling fan is switched on, it makes 10 revolution in the first 3s. Assuming a uniform angular acceleration, how many rotation it will make in the next 3s

A) 10

B) 20

C) 30

D) 40

• question_answer11) The potential energy of a body is given by $U=A-B{{x}^{2}}$ (where x is the displacement.) The magnitude of force acting on the particle is

A) constant

B) proportional to $x$

C) proportional to ${{x}^{2}}$

D) inversely proportional to$x$

• question_answer12) A stone weighing 1 kg and sliding on ice with a velocity of 2 m/s is stopped by friction in 10 s. The force of friction (assuming it to be constant) will be

A) - 20 N

B) - 0.2 N

C) 0.2 N

D) 20 N

• question_answer13) The engine of a jet aircraft applies a thrown force of 105 N during take-off and causes the plane to attain a velocity of 1 km/s in 10s. The mass of the plane is

A) ${{10}^{2}}$ kg

B) ${{10}^{3}}$ kg

C) ${{10}^{4}}$ kg

D) ${{10}^{5}}$ kg

• question_answer14) A coin is dropped in a lift. It takes time ${{t}_{1}}$ to reach the floor when lift is stationary. It takes time ${{t}_{2}}$ when lift is moving up with constant acceleration. Then,

A) ${{t}_{1}}\ge {{t}_{2}}$

B) ${{t}_{2}}>{{t}_{1}}$

C) ${{t}_{1}}={{t}_{2}}$

D) ${{t}_{1}}>\,>{{t}_{2}}$

• question_answer15) A boy on a cycle pedals around a circle of 20 metres radius at a speed of 20 m/s. The angle, combined mass of the body and the cycle makes with the vertical so that it may not fall, is (g = 9.8 $m\text{/}{{s}^{2}}$)

A) $60.25{}^\circ$

B) $63.90{}^\circ$

C) $26.12{}^\circ$

D) $30.00{}^\circ$

• question_answer16) An object start sliding on a frictionless inclined plane and from same height another object start falling freely.

A) both will reach with same speed

B) both will reach with same acceleration

C) both will reach in same time

D) None of the above

• question_answer17) A wheel of radius 0.4 m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4 kg is hung. An angular acceleration of 8 $\text{rad-}{{\text{s}}^{-2}}$s is produced in it due to the torque. Then, moment of inertia of the wheel is $\text{(g}\,\text{=}\,\text{m}{{\text{s}}^{-2}})$

A) 2 kg-${{\text{m}}^{2}}$

B) 1 kg-${{\text{m}}^{2}}$

C) 4 kg-${{\text{m}}^{2}}$

D) 8 kg-${{\text{m}}^{2}}$

• question_answer18) A body of mass ${{m}_{1}}=$4 kg moves at $5\,i\,m\text{/}s$ and another body of mass ${{m}_{2}}=2\,kg$ moves at $10\,i\,\,m\text{/}s.$ The kinetic energy of centre of mass is

A) $\frac{200}{3}J$

B) $\frac{500}{3}J$

C) $\frac{400}{3}J$

D) $\frac{800}{3}J$

• question_answer19) $y=3\,\sin \pi \left( \frac{t}{2}-\frac{x}{4} \right)$ represents an equation of a progressive wave, where$t$is in second and $x$ is in metre. The distance travelled by the wave in 5 s is

A) 8 m

B) 10 m

C) 5m

D) 32 m

• question_answer20) A parallel plate capacitor with air as the dielectric has capacitance C. A slab of dielectric constant K and having the same thickness as the separation between the plates is introduced so as to fill one-fourth of the capacitor as shown in the figure. The new capacitance will be

A) $(K+3)\frac{C}{4}$

B) $(K+2)\frac{C}{4}$

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

D) $\frac{KC}{4}$

• question_answer21) In Youngs double slit experiment with sodium vapour lamp of wavelength 589 nm and the slits 0.589 mm apart, the half angular width of the central maximum is

A) ${{\sin }^{-1}}(0.01)$

B) ${{\sin }^{-1}}(0.0001)$

C) ${{\sin }^{-1}}(0.001)$

D) ${{\sin }^{-1}}(0.1)$

• question_answer22) An electric bulb has a rated power of 50 W at 100 V. If it is used on an AC source 200 V, 50 Hz, a choke has to be used in series with it. This choke should have an inductance of

A) 0.1 mH

B) 1 mH

C) 0.1 H

D) 1.1 H

• question_answer23) A shell of mass 20 kg at rest explodes into two fragments whose masses are in the ratio 2:3. The smaller fragment moves with a velocity of 6 m/s. The kinetic energy of the larger fragment is

A) 96 J

B) 216 J

C) 144 J

D) 360 J

• question_answer24) A vessel of height 2d is half filled with a liquid of refractive index$\sqrt{2}$and the other half with a liquid of refractive index n (the given liquids are immiscible). Then, the apparent depth of the inner surface of the bottom of the vessel (neglecting the thickness of the bottom of the vessel) will be

A) $\frac{n}{d(n+\sqrt{2})}$

B) $\frac{d(n+\sqrt{2})}{n\sqrt{2}}$

C) $\frac{\sqrt{2}n}{d(n+\sqrt{2})}$

D) $\frac{nd}{d+\sqrt{2}n}$

• question_answer25) Which one of the following graph represents the variation of maximum kinetic energy $({{E}_{k}})$of the emitted electrons with frequency v in photoelectric effect correctly?

A)

B)

C)

D)

• question_answer26) The cylindrical tube of a spray pump has a cross-section of 8$c{{m}^{2}},$, one end of which has 40 fine holes each of area${{10}^{-8}}{{m}^{2}}.$ If the liquid flows inside the tube with a speed of 0.15 m${{\min }^{-1}},$ the speed with which the liquid is ejected through the holes is

A) 50 m/s

B) 5 m/s

C) 0.05 m/s

D) 0.5 m/s

• question_answer27) A launching vehicle carrying an artificial satellite of mass m is set for launch on the surface of the earth of mass M and radius R. If the satellite is intended to move in a circular orbit of radius 7R, the minimum energy required to be spent by the launching vehicle on the satellite is (Gravitational constant = G)

A) $\frac{GMm}{R}$

B) $-\frac{13GMm}{14R}$

C) $\frac{GMm}{7R}$

D) $-\frac{GMm}{14R}$

• question_answer28) The thermo emf of a hypothetical thermocouple varies with the temperature $\theta$ of hot junction as$E=a\theta +b{{\theta }^{2}}$in volts, where the ratio $\frac{a}{b}$ is$700{}^\circ C$. If the cold junction is kept at$0{}^\circ C$, then the neutral temperature is

A) $700{}^\circ C$

B) $1400{}^\circ C$

C) $390{}^\circ C$

D) no neutral temperature is possible for this thermocouple Not Available Option

• question_answer29) If two soap bubbles of different radii are connected by a tube, then

A) air flows from bigger bubble to the smaller bubble till sizes become equal

B) air flows from bigger bubble to the smaller bubble till sizes are interchanged

C) air flows from smaller bubble to bigger

D) there is no flow of air

• question_answer30) A police party is moving in a jeep at a constant speed v. They saw a thief at a distance x on a motorcycle which is at rest. The moment the police saw the thief, the thief started at constant acceleration a. Which of the following relations is true if the police is able to catch the thief?

A) ${{v}^{2}}<ax$

B) ${{v}^{2}}<2ax$

C) ${{v}^{2}}\ge 2ax$

D) ${{v}^{2}}=ax$

• question_answer31) A certain vector in the xy-plane has an x-component of 4 m and a y-component of 10 m. It is then rotated in the xy-plane so that its x-component is doubled. Then, its new y-component is (approximately)

A) 20 m

B) 7.2 m

C) 5.0 m

D) 4.5 m

• question_answer32) A coil of n number of turns is wound tightly the form of a spiral with inner and outer radii a and b respectively. When a current of strength I is passed through the coil, the magnetic field at its centre is

A) $\frac{{{\mu }_{0}}nI}{(b-a)}{{\log }_{e}}\frac{a}{b}$

B) $\frac{{{\mu }_{0}}nI}{2(b-a)}$

C) $\frac{2{{\mu }_{0}}nI}{b}$

D) $\frac{{{\mu }_{0}}nI}{2(b-a)}{{\log }_{e}}\frac{b}{a}$

• question_answer33) Horizontal tube of non-uniform cross-seed. has radii of 0.1 m and 0.05 m respectively at M and N. For a streamline How of liquid, the rate of liquid flow is

A) changing continuously with time

B) greater at M than at N

C) greater at N than at M

D) same at M and N

• question_answer34) The work done by a force acting on a body is as shown in the graph. The total work done in covering an initial distance of 20 m is

A) 225 J

B) 200 J

C) 400 J

D) 175 J

• question_answer35) Three concurrent co-planar forces 1 N, 2 N and 3 N acting along different directions on a body

A) can keep the body in equilibrium if 2 N and 3 N act at right angle

B) can keep the body in equilibrium if 1 N and 2 N act at right angle

C) cannot keep the body in equilibrium

D) can keep the body in equilibrium in 1 N and 3 N act at an acute angle

• question_answer36) 0.1 ${{m}^{3}}$ of water at $80{}^\circ C$ is mixed with ${{m}^{3}}$ of water at$60{}^\circ C$. The final temperature of the mixture is

A) $65{}^\circ C$

B) $70{}^\circ C$

C) $60{}^\circ C$

D) $75{}^\circ C$

• question_answer37) Two rectangular blocks A and B of masses 2 kg and 3 kg respectively are connected by a spring of spring constant $10.8\,N{{m}^{-1}}$ and are placed on a functionless horizontal surface. The block A was given an initial velocity of $0.15\,m{{s}^{-1}}$in the direction shown in the figure. The maximum compression of the spring during the motion is

A) 0.01 m

B) 0.02 m

C) 0.05 m

D) 0.03 m

• question_answer38) The truth table given below is for (A and B are the inputs, Y is the output)

 A B Y 0 0 1 0 1 1 1 0 1 1 1 0

A) NOR

B) AND

C) XOR

D) NAND

• question_answer39) The surface temperature of the sun which has maximum energy emission at 500 nm is 6000 K The temperature of a star which has maximum energy emission at 400 nm will be

A) 8500 K

B) 4500 k

C) 7500 K

D) 6500 K

• question_answer40) An engine moving towards a wall with a velocity 50 m/s emits a note of 1.2 kHz. Speed of sound in air is 350 m/s. The frequency of the note after reflection from the wall as heard by the driver of the engine is

A) 2.4 kHz

B) 0.24 kHz

C) 1.6 kHz

D) 1.2 kHz

• question_answer41) The number of atoms contained in a fee unit cell of a monoatomic substance is

A) 1

B) 2

C) 4

D) 6

• question_answer42) The solubility product of $H{{g}_{2}}{{I}_{2}}$ is equal to

A) $[Hg_{2}^{2+}]\,[{{I}^{-}}]$

B) $[H{{g}^{2+}}]\,[{{I}^{-}}]$

C) $[Hg_{2}^{2+}]\,{{[{{I}^{-}}]}^{2}}$

D) $[H{{g}^{2+}}]\,{{[{{I}^{-}}]}^{2}}$

• question_answer43) Petrol for aviation purpose must contain

A) straight chain hydrocarbons

B) aromatic hydrocarbons

C) olefinic hydrocarbons

D) highly branched chain paraffins

• question_answer44) The structures of ${{(C{{H}_{3}})}_{3}}CBr$ and$C{{H}_{3}}{{[C{{H}_{2}}]}_{3}}$ Br represent

A) chain isomerism

B) position isomerism

C) chain as well as position isomerism

D) functional isomerism

• question_answer45) The IUPAC name of acryldehyde is

A) Prop-2-en-1-al

C) but-2-en-1-al

D) propenal

• question_answer46) Which one of these is not true for benzene?

A) It forms only one type of monosubstituted product

B) There are three carbon-carbon single bonds and three carbon-carbon double bonds

C) Heat of hydrogenation of benzene is less than its theoretical value

D) The bond angle between carbon-carbon bonds is $120{}^\circ$

• question_answer47) Le-blanc process is employed in the manufacture of

A) baking soda

B) washing soda

C) potash

D) plaster of Paris

• question_answer48) Which of the following is known as invert soap?

A) Pentaerythritol monostearate

B) Sodium stearyl sulphate

C) Trimethyl stearyl ammonium bromide

D) Ethoxylated nonyphenol

• question_answer49) An example of natural biopolymer is

A) teflon

B) nylon-66

C) rubber

D) DNA

• question_answer50) Which of the following is most basic in nature?

A) $N{{H}_{3}}$

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

C) ${{(C{{H}_{3}})}_{2}}NH$

D) ${{C}_{6}}{{H}_{5}}N{{(C{{H}_{3}})}_{2}}$

• question_answer51) Moist hydrogen peroxide cannot be dried over cone. ${{H}_{2}}S{{O}_{4}}$ because

A) it can catch fire

B) it is reduced by ${{H}_{2}}S{{O}_{4}}$

C) it is oxidized by ${{H}_{2}}S{{O}_{4}}$

D) it is decomposed by ${{H}_{2}}S{{O}_{4}}$

• question_answer52) In the first order reaction, 75% of the reactant gets disappeared in 1.386 h. The rate constant of the reaction is

A) $3.0\times {{10}^{-3}}{{s}^{-1}}$

B) $2.8\times {{10}^{-4}}{{s}^{-1}}$

C) $17.2\times {{10}^{-3}}{{s}^{-1}}$

D) $1.8\times {{10}^{-3}}{{s}^{-1}}$

A) molecular solid

B) covalent solid

C) ionic solid

D) metallic solid

• question_answer54) The ratio of the difference in energy between the first and the second Bohr orbit to that between the second and the third Bohr orbit is

A) 1/2

B) 1/3

C) 4/9

D) 27/5

• question_answer55) Hydrogen molecule differs from chlorine molecule in the following respect.

A) Hydrogen molecule is non-polar but chlorine molecule is polar

B) Hydrogen molecule is polar while chlorine molecule is non-polar

C) Hydrogen molecule can form intermolecular hydrogen bonds but chlorine molecule does not

D) Hydrogen molecule cannot participate in coordinate bond formation but chlorine molecule can

• question_answer56) Which of the following has$s{{p}^{2}}\text{-}$hybridisation?

A) ${{C}_{2}}{{H}_{6}}$

B) ${{C}_{2}}{{H}_{4}}$

C) $BeC{{l}_{2}}$

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

• question_answer57) Which buffer solution comprising of the following has its pH value greater than 7?

A) $C{{H}_{3}}COOH+C{{H}_{3}}COONa$

B) $HCOOH+HCOOK$

C) $C{{H}_{3}}COON{{H}_{4}}$

D) $N{{H}_{4}}OH+N{{H}_{4}}Cl$

• question_answer58) The pH value of 0.001 M aqueous solution of $NaCl$ is

A) 7

B) 4

C) 11

D) unpredictable

• question_answer59) $C{{H}_{3}}CHO+HCHO\xrightarrow[Heat]{Dil.\,NaOH}A\xrightarrow[{{H}_{2}}{{O}^{+}}]{HCN}B$ The structure of compound B is

A) $C{{H}_{2}}=CH-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-COOH$

B) $C{{H}_{2}}=CH-\underset{CN}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-OH$

C) $C{{H}_{3}}C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-COOH$

D) $C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-COOH$

• question_answer60) Which one of the following transition metal ions is diamagnetic?

A) $C{{o}^{2+}}$

B) $N{{i}^{2+}}$

C) $C{{u}^{2+}}$

D) $Z{{n}^{2+}}$

• question_answer61) Which of the following metal carbonates decomposes on heating?

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

B) $N{{a}_{2}}C{{O}_{3}}$

C) ${{K}_{2}}C{{O}_{3}}$

D) $R{{b}_{2}}C{{O}_{3}}$

• question_answer62) Which one of the following sets of quantum numbers represents the highest energy level in an atom?

A) $n=4,\,l=0,m=0,\,s=+\frac{1}{2}$

B) $n=3,\,l=1,m=1,\,s=+\frac{1}{2}$

C) $n=3,\,l=2,m=-2,\,s=+\frac{1}{2}$

D) $n=3,\,l=0,m=0,\,s=+\frac{1}{2}$

• question_answer63) $C{{H}_{3}}COOH\xrightarrow{B{{r}_{2}}/P}Y\xrightarrow[(ii){{H}_{3}}{{O}^{+}}]{(i)\,KCN}X$ Here, X is

A) glycollic acid

B) $\alpha \text{-}$hydroxy propionic acid

C) succinic acid

D) malonic acid

• question_answer64) Consider the following reaction, ${{C}_{6}}{{H}_{5}}N{{O}_{2}}\xrightarrow{Sn/HCl}X\xrightarrow{{{C}_{6}}{{H}_{5}}COCl}Y+HCl$ What is V?

A) Acetanilide

B) Benzinilide

C) Azobenzene

D) Hydrazobenzene

• question_answer65) The correct order of decreasing first ionization energy is

A) C > B > Be > Li

B) C > Be > B > Li

C) B > C > Be > Li

D) Be > Li > B > C

• question_answer66) The extraction of which of the following metals involves bessemerisation?

A) Fe

B) Ag

C) Al

D) Cu

• question_answer67) For a zero order reaction

A) ${{t}_{1/2}}\propto {{R}_{0}}$

B) ${{t}_{1/2}}\propto 1\text{/}{{R}_{0}}$

C) ${{t}_{1/2}}\propto R_{0}^{2}$

D) ${{t}_{1/2}}\propto 1/R_{0}^{2}$

• question_answer68) Cow milk, an example of natural emulsion, is stabilised by

A) fat

B) water

C) casein

D) $M{{g}^{2+}}$ions

• question_answer69) Which of the following would exert maximum osmotic pressure?

A) Decinormal aluminium sulphate

B) Decinormal barium chloride

C) Decinormal sodium chloride

D) A solution obtained by mixing equal volumes of (b) and (c) and filtering

• question_answer70) Which one of the following has a coordinate bond?

A) $N{{H}_{4}}Cl$

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

C) $NaCl$

D) $C{{l}_{2}}$

• question_answer71) For the reaction, $N{{H}_{3}}+OC{{l}^{-}}\xrightarrow{{}}{{N}_{2}}{{H}_{4}}+C{{l}^{-}}$ occurring in basic medium, the coefficient of ${{N}_{2}}{{H}_{4}}$ in the balanced equation will be

A) 1

B) 2

C) 3

D) 4

• question_answer72) For the homogeneous reaction, $4N{{H}_{3}}+5{{O}_{2}}4NO+6{{H}_{2}}O$ the equilibrium constant ${{K}_{c}}$ has the units

A) cone.$^{+10}$

B) cone.$^{+1}$

C) cone.$^{-1}$

D) it is dimensionless

• question_answer73) Acetic anhydride is prepared in the laboratory by heating sodium acetate with

A) ethyl chloride

B) acetyl chloride

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

D) zinc dust

• question_answer74) Argol, a brown crust, formed during the fermentation of grape juice contains

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

B) fused oil

C) potassium hydrogen tartarate

D) lye

• question_answer75) Ammonia is a Lewis base and it forms complexes with many cations. Which one of the following cations does not form a complex with ammonia?

A) $A{{g}^{+}}$

B) $C{{u}^{2+}}$

C) $C{{d}^{2+}}$

D) $P{{b}^{2+}}$

• question_answer76) On warming with silver powder, chloroform is converted into

A) acetylene

B) hexachloroethane

C) 1, 1, 2, 2-tetrachlorethane

D) ethylene

• question_answer77) Which one of the following is mainly responsible for depletion of ozone layer?

A) Methane

B) Carbon dioxide

C) Water

D) Chlorofluorocarbons

• question_answer78) Propyne on passing through red hot copper tube forms

A) benzene

B) toluene

C) mesitylene

D) None of these

• question_answer79) The most basic element is

A) fluorine

B) iodine

C) chlorine

D) bromine

A) $N{{a}_{2}}S{{O}_{4}}\,\,.\,\,10\,{{H}_{2}}O$

B) $N{{a}_{2}}{{S}_{2}}{{O}_{3}}\,\,.\,\,5\,{{H}_{2}}O$

C) $CuS{{O}_{4}}\,\,.\,\,5\,{{H}_{2}}O$

D) $N{{a}_{2}}{{B}_{4}}{{O}_{7}}\,.\,\,10\,{{H}_{2}}O$

• question_answer81) Female cone of Pinus is a

A) modified needle

B) modified long shoot

C) modified dwarf shoot

D) modified scale

• question_answer82) A fern differs from a moss in having

A) swimming archegonia

B) swimming antherozoids

C) independent gametophytes

D) independent sporophytes

• question_answer83) Protonema is the stage in the life cycle of

A) Cycas

B) Funaria

C) Selaginella

D) Mucor

A) venter wall of archegonium

B) outgrowth of gametophyte

C) neck wall of archegonium

D) paraphysis of the archegonial branch

A) RNA with protein

B) DNA with protein

C) DNA without protein

D) DNA only

• question_answer86) A monocarpic plant is one, which

A) has only one carpel

B) flowers once in a life-time

C) produces only one seed

D) produces only one fruit

• question_answer87) Which of the following cell organelles stores hydrolytic enzymes?

A) Centriole

B) Lysosome

C) Chromoplast

D) Chloroplast

• question_answer88) Which of the following plant cells is surrounded by a cell wall?

A) Root hair cell

B) Stem hair cell

C) Gamete cell

D) Bacterial cell

• question_answer89) DNA replication occurs in

A) ${{G}_{1}}\text{-}$phase

B) $S\text{-}$phase

C) ${{G}_{2}}\text{-}$phase

D) $M\text{-}$phase

• question_answer90) Nucleotides are formed by

A) purine, sugar and phosphate

B) purine, pyrimidine and phosphate

C) purine, pyrimidine, sugar and phosphate

D) pyrimidine, sugar and phosphate

A) cellulose

B) sporopollenin

C) pectocellulose

D) lignin

• question_answer92) Development of an embryo without fertilization is called is

A) apomixis

B) polyembryony

C) parthenocarpy

D) parthenogenesis

• question_answer93) Which of the following floral parts forms pericarp after fertilization?

A) Nucellus

B) Outer integument

C) Ovary wall

D) Inner integument

• question_answer94) Prothallus of the fern produces

A) spores

B) gametes

C) Both (a) and (b)

D) cones

• question_answer95) Which of the following cell organelles is associated with photorespiration?

A) Mitochondria

B) Peroxysome

C) Chloroplast

D) All of these

• question_answer96) The thickness of unit membrane is

A) $20\,\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $35\,\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $55\,\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $75\,\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer97) Chromosomes are arranged along the equator during

A) prophase

B) metaphase

C) anaphase

D) telophase

• question_answer98) Width of the DNA molecule is

A) $15\,\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $20\,\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $25\,\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $34\,\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer99) In gymnosperms, the ovule is naked because

A) ovary wall is absent

B) integuments are absent

C) perianth is absent

D) nucellus is absent

• question_answer100) The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of

A) lignified thick walls

C) weak gravitational pull

D) transpiration pull

• question_answer101) The fleshy receptacle of syconus of fig encloses a number of

A) achenes

B) samaras

C) berries

D) mericarps

• question_answer102) Which one of the following is linked to the discovery of bordeaux mixture as a popular fungicide?

A) Bacterial leaf blight of rice

B) Downy mildew of grapes

C) Loose smut of wheat

D) Black rust of wheat

• question_answer103) Unisexuality of flowers prevents

A) autogamy, but not geitonogamy

B) Both geitonogamy and xenogamy

C) geitonogamy, but not xenogamy

D) autogamy and geitonogamy

• question_answer104) Which of the following bio-engineered bacteria is utilized for cleaning of marine oil slicks?

A) Escherichia coli

B) Pseudomonas syringae

C) Pseudomonas putida

D) Rhizoctonia solani

• question_answer105) Green potatoes are toxic due to

A) phytoalexins

B) solanin

C) triazine

D) hormones

• question_answer106) Cells obtained from cancerous tumours an known as

A) hybridomas

B) myelomas

C) lymphocytes

D) monoclonal cells

• question_answer107) The plant of Triticurn aestivum is

A) haploid

B) diploid

C) tetraploid

D) hexaploid

• question_answer108) Which of the following is a total root parasite?

A) Cuscuta

B) Rafflesia

C) Santalum

D) Monotrapa

• question_answer109) Which of the following tissues consist of living cells?

A) Vessels

B) Tracheids

C) Companion cell

D) Sclerenchyma

• question_answer110) Which is a useful product of epidermal origin?

A) Saffron

B) Cotton fibres

C) Clove

D) Jute

• question_answer111) Fern spores are usually

A) haploid

B) diploid

C) triploid

D) tetraploid

• question_answer112) When pollen tube enters through micropyle, the process is called

A) porogamy

B) chalazogamy

C) mesogamy

D) apogamy

• question_answer113) In which one of the following, the male and female gametophytes dont have free-living independent existence?

A) Pteris

B) Funaria

C) Polytrichum

D) Cedrus

• question_answer114) A transgenic food crop, which may help in solving the problem of nightblindness in developing countries is

A) Flavr savr tomatoes

C) Bt soyabean

D) Golden rice

• question_answer115) Vascular tissues in flowering plants develop from

A) phellogen

B) plerome

C) periblem

D) dermatogen

• question_answer116) Nitrogen-fixation in root nodules of Alnus is brought about by

B) Clostridium

C) Frankia

D) Azorhizobium

• question_answer117) A mature pollen grain of Pinus has

A) 2 cells

B) 3 cells

C) 4 cells

D) 5 cells

• question_answer118) Polyploidy can be induced by the application of

A) auxin

B) kinetin

C) colchicine

D) ethylene

• question_answer119) Quantasome are present in

A) Chloroplast

B) mitochondria

C) Golgi body

D) lysosome

• question_answer120) In mitochondria, enzyme cytochrome oxidase is present in

A) outer membrane

B) perimitochondrial space

C) inner membrane

D) matrix

• question_answer121) The most primitive vertebrates are

A) ostracoderms

B) cephalochordates

C) placoderms

D) cyclostomes

• question_answer122) Change in the number of body parts is called

A) continuous variation

B) discontinuous variation

C) meristic variation

D) substantive variation

A) Turners syndrome

B) Klinefelters syndrome

C) Super female

D) Downs syndrome

• question_answer124) Origin of life occurred in

A) Precambrian

B) Coenozoic

C) Palaeozoic

D) Mesozoic

• question_answer125) Branch of zoology dealing with the study of fishes is called

A) Arthrology

B) Ichthyology

C) Saurology

D) Herpetology

• question_answer126) Theory of continuity of germplasm was propounded by

A) Mendel

B) Lamarck

C) Weismann

D) Haeckel

• question_answer127) Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

A) Chorion

B) Allantois

C) Yolk sac

D) Amnion

• question_answer128) The most active phagocytic white blood cells are

A) neutrophils and eosinophils

B) lymphocytes and macrophages

C) eosinophils and lymphocytes

D) neutrophils and monocytes

• question_answer129) Blood is a kind of

A) areolar tissue

B) connective tissue

C) fluid connective tissue

D) reticular connective tissue

• question_answer130) Deficiency of vitamin-${{B}_{12}}$ causes

A) cheilosis

B) thalassemia

C) beri-beri

D) pernicious anaem

A) Amnion

B) Allantois

C) Chorion

D) Yolk sac

• question_answer132) Which is common to kidney and skeleton in mammals?

A) Cortex

B) Medulla

C) Pelvis

• question_answer133) Urea synthesis occurs in

A) kidney

B) liver

C) brain

D) muscles

A) cirrhosis

B) epilepsy

C) neurosis

D) psychosis

• question_answer135) Which of these is used to control human population?

A) Estrogen + progesterone

B) IUCD and MTP

C) Tubectomy and vasectomy

D) All of the above

• question_answer136) During the propagation of a nerve impulse, the action potential results from the movement of

A) ${{K}^{+}}$ions from extracellular fluid to intracellular fluid

B) $N{{a}^{+}}$ions from intracellular fluid to extracellular fluid

C) ${{K}^{+}}$ions from intracellular fluid to extracellular fluid

D) $N{{a}^{+}}$ions from extracellular fluid to intracellular fluid

• question_answer137) Darwins finches are an excellent example of

B) seasonal migration

C) brood parasitism

• question_answer138) Which insecticide is more hazardous to human health?

A) Rotenone

B) Pyrethrum

C) DDT

D) Humulin

A) $O\,R{{h}^{+}}$

B) $O\,R{{h}^{-}}$

C) $AB\,R{{h}^{+}}$

D) $AB\,R{{h}^{-}}$

• question_answer140) One of these is not concerned with wildlife conservation

A) IVF

B) IUCN

C) WWF

D) IBWL

• question_answer141) Largest tiger population is found in

A) Sunderban national park

B) Corbett national park

C) Ranthambhor national park

D) Kanha national park

• question_answer142) Genetic material found in Human Immunode-ficiency Virus (HIV) is

A) double stranded RNA

B) single stranded RNA

C) double stranded DNA

D) single stranded DNA

• question_answer143) Gigantism and acromegaly are due to

A) hypothyroidism

B) hyperthyrofiism

C) hypopituitarism

D) hyperpituitarism

• question_answer144) If a child is of O blood group and his father is of B blood group, the genotype of father is

A) ${{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{O}}}$

B) ${{\text{I}}^{\text{A}}}\,{{\text{I}}^{\text{B}}}$

C) ${{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{B}}}$

D) ${{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{A}}}$

• question_answer145) Spermatogenesis is under the regulatory influence of

B) FSH

C) LH

D) STH

• question_answer146) Which of the following can be controlled by using biopesticides?

A) Insects

B) Diseases

C) Weeds

D) All of these

• question_answer147) Which hormone is secreted in a woman if pregnancy has occurred?

A) Estrogen

B) Progesterone

C) Luteinizing hormone

• question_answer148) Product of biotechnology is

A) transgenic crops (GM crops)

B) humulin

C) biofertilizer

D) All of the above

• question_answer149) Phase common in aerobic and anaerobic respiration is

A) Krebscycle

B) glycolysis

C) glycogenolysis

D) ETS

A) $HCl$

B) trypsin

C) $NaOH$

D) pepsinogen

• question_answer151) Menstruation is due to sudden

A) reduction of FSH

B) increase of LH

C) reduction in estrogen and progesterone

D) None of the above

• question_answer152) Correctly matched set of phylum, class and example is

A) Protozoa-Mastigophora-Entamoeba

C) Arthropoda-Diplopoda-Scolopendra

D) Chordata-Cyclostomata-Phrynosoma

• question_answer153) Ancestor of man who first stood erect was

A) Australopithecus

B) Cro-magnon

C) Java-ape man

D) Peaking man

• question_answer154) Bilateral symmetry, metameric segmentation coelom and open circulatory system are the features of

A) Annelida

B) Arthropoda

C) Mollusca

D) Echinodermata

A) Porifera - Choanocytes

B) Coelenterata - Nematocysts

C) Annelida - Segmentation

D) Monera - Eukaryote

• question_answer156) Which one of the following in birds, indicates their reptilian ancestry?

A) Scales on their hindlimbs

B) Four-chambered heart

C) Two special chambers crop and gizzard in their digestive tract

D) Eggs with a calcareous shell

• question_answer157) Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

A) Neutrophils

B) Basophils

C) Eosinophils

D) Monocytes

• question_answer158) Polysome is formed by

A) several ribosomes attached to a single mRNA

B) many ribosomes attached to a strand of endoplasmic reticulum

C) a ribosome with several sub-units

D) ribosomes attached to each other in a linear arrangement

• question_answer159) Gel electrophoresis is used for

A) cutting of DNA into fragments

B) separation of DNA fragments according to their size

C) construction of recombinant DNA by joining with cloning vectors

D) isolation of DNA molecule

• question_answer160) Core zone, buffer zone and manipulation zone are found in

A) national park

B) sanctuary

C) tiger reserve

D) biosphere reserve

• question_answer161) Directions: Out of the four alternatives, choose the one which expresses the correct meaning of the given word and mark the appropriate answer in the Answer Sheet. Irreproachable

A) remarkable

B) extraordinary

C) faultless

D) immense

• question_answer162) Directions: Out of the four alternatives, choose the one which expresses the correct meaning of the given word and mark the appropriate answer in the Answer Sheet. Felicity

A) prosperity

B) honesty

C) bliss

D) sorrow

• question_answer163) Directions: Out of the four alternatives, choose the one which expresses the correct meaning of the given word and mark the appropriate answer in the Answer Sheet. Knave

A) emperor

B) enchanter

C) soldier

D) scoundrel

• question_answer164) Directions: Out of the four alternatives, choose the one which expresses the correct meaning of the given word and mark the appropriate answer in the Answer Sheet. Frontier

A) edge

B) landmark

C) boundary

D) corner

• question_answer165) Directions: Out of the four alternatives, choose the one which expresses the correct meaning of the given word and mark the appropriate answer in the Answer Sheet. Rout

A) death

B) defeat

C) loss

D) crash

• question_answer166) Directions: Choose the word opposite meaning to the given word and mark the appropriate answer in the Answer Sheet. Niggardly

A) hastily

B) lavishly

C)

D) gorgeously

• question_answer167) Directions: Choose the word opposite meaning to the given word and mark the appropriate answer in the Answer Sheet. Melodious

A) harmonious

B) tuneless

C) odious

D) mellifluous

A) progressed

B) outpaced

C) receded

D) retarded

• question_answer169) Directions: In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet. In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet.

B) quagmaire

• question_answer170) Directions: In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet. In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet.

A) postar

B) pastor

C) posture

D) pasture

• question_answer171) Directions: In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet. In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet.

A) reference

B) preference

C) difference

D) performance

• question_answer172) Directions: In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet. In these questions, four words are given in each question, out of which only one word is wrongly spelt. Find the word and indicate it in Answer Sheet.

A) agreeablly

B) cruelly

C) doubtfully

D) fatally

• question_answer173) Directions: Four alternatives are given for the bold words of given idiom/phrase. Choose the alternative which best expresses the meaning of the bold words of given idiom/phrase and mark the appropriate answer in the Answer Sheet. His parents cut him off, without a shilling

A) disinherited him

B) snubbed him

C) gave him only a shilling

D) sent him away with a shilling

• question_answer174) Directions: Four alternatives are given for the bold words of given idiom/phrase. Choose the alternative which best expresses the meaning of the bold words of given idiom/phrase and mark the appropriate answer in the Answer Sheet. The carefully worked-out plan fell through because of an unexpected event

A) came out successfully

C) was shattered

D) failed

• question_answer175) Directions: Four alternatives are given for the bold words of given idiom/phrase. Choose the alternative which best expresses the meaning of the bold words of given idiom/phrase and mark the appropriate answer in the Answer Sheet. He has too many irons in the fire

A) is engaged in too many enterprises at the same time

B) has several problems

C) has many ideas in his head

D) has a fire burning constantly in his hous

• question_answer176) Directions: Four alternatives are given for the bold words of given idiom/phrase. Choose the alternative which best expresses the meaning of the bold words of given idiom/phrase and mark the appropriate answer in the Answer Sheet. We wanted to give Rita a surprise party but John let the cat out of the bag

A) spoilt the party with a cat

B) gave her a party himself

C) told her about it unintentionally

D) prevented her from attending it

• question_answer177) Directions: Out of the four alternatives, choose the one which can be substituted for given words/sentence and mark the appropriate option in the Answer Sheet. Study of insects is

A) Etymology

B) Entomology

C) Ecology

D) Embryology

• question_answer178) Directions: Out of the four alternatives, choose the one which can be substituted for given words/sentence and mark the appropriate option in the Answer Sheet. Careful in the spending of money, time etc.

A) Punctual

B) Economical

C) Miserly

D) Calculative

• question_answer179) Directions: Out of the four alternatives, choose the one which can be substituted for given words/sentence and mark the appropriate option in the Answer Sheet. Reproducing or memorizing word for word

A) Verbatim

B) Verbose

C) Verbiage

D) Verbalism

• question_answer180) Directions: Out of the four alternatives, choose the one which can be substituted for given words/sentence and mark the appropriate option in the Answer Sheet. That which cannot be captured

A) Untakable

B) Ungrippable

C) Impregnable

D) Slippery

• question_answer181) Directions: Out of the four alternatives, choose the one which can be substituted for given words/sentence and mark the appropriate option in the Answer Sheet. One who breaks the law

A) Aggressor

B) Politician

C) Transgressor

D) Pedestrian

• question_answer182) Directions: A part of the sentence is given in bold. Below are given alternatives to the bold part at (a), (b) and (c). Which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d). Mark the appropriate option in the Answer Sheet. The way to solve the racial problem is by

A) because of

B) thanks to

C) on account of

D) No improvement

• question_answer183) Directions: A part of the sentence is given in bold. Below are given alternatives to the bold part at (a), (b) and (c). Which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d). Mark the appropriate option in the Answer Sheet. He may be poor now but he appears to be rich.

A) to seem rich

B) rich to be

C) to have been rich

D) No improvement

• question_answer184) Directions: A part of the sentence is given in bold. Below are given alternatives to the bold part at (a), (b) and (c). Which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d). Mark the appropriate option in the Answer Sheet. The suspected couple was taken away from the airport through a side entrance to the police station for interrogation.

A) whisked

B) rushed

C) guided

D) No improvement

• question_answer185) Directions: A part of the sentence is given in bold. Below are given alternatives to the bold part at (a), (b) and (c). Which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d). Mark the appropriate option in the Answer Sheet. She left the room feeling contrite.

A) sorry for what she had done

B) rather ill

C) extremely irriated

D) No improvement

• question_answer186) 1. $I$ think the essence of wisdom is emancipation as far as possible, from the tyranny of the here and now.

 P. If anyone could, he would hardly be able to remain alive. Q. But it is possible to make a continual approach towards impartiality. R. No one can view the world with complete impartiality. S. This is of course a matter of degree.
6. It is this approach towards impartiality that constitutes growth in wisdom.

A) QRSP

B) RQPS

C) SRPQ

D) PRSQ

• question_answer187) 1. But at the moment I glanced round at the crowd that had followed me.

 P. It was immense crowd, two thousand at the least and growing every minute. Q. They were watching me as they would watch a conjurer about to perform a trick. R. I looked at the sea of yellow faces above the garish clothes-faces all happy and excited over this bit of fun, all certain that the elephant was going to be shot. S. It blocked the road for a long distance on either side.
6. They did not like me, but with the magical rifle in my hands, I was momentarily worth watching.

A) RPQS

B) QSRP

C) SRPQ

D) PSRQ

• question_answer188) 1. There are many roads into the world of books, but the way of fiction is probably the most common.

 P. Then too the appeal of the story, whether told as poem, play, history, biography or novel is primitive and strong. Q. The reason is plain. R. They are to us what epic poetry was to the Greeks and Romans, what the stage was to the Elizabethans. 5. The novel and the short story come closer to the experience. If the modern reader then any other form of contemporary writing.
6. Mankinds delight in stories is as timeless and universal as the art of the story teller.

A) QSRP

B) SRPQ

C) RSQP

D) PRSQ

• question_answer189) 1. Nehru spent most part of his childhood in studies.

 P. He rushed back to India and led an active political life joining hands with Gandhi. Q. His studies went on uninterrupted abroad until he received a call from India. R. He went to Cambridge to study. 5. But now and then, he could not help listening to political discussions in his house.
6. Till the end of his career, he made Gandhi his political master.

A) RSQP

B) SRQP

C) PQRS

D) SRPQ

• question_answer190) 1. Venice is, a strange and beautiful city in the North of Italy.

 P. There are about four hundred old stone bridges joining the Islands of Venice. Q. In this city, there are no motor-cars, no horses and no buses. R. These small Islands are near one another. S. It is not one Island but a hundred and seventeen Islands.
6. This is because Venice has no streets.

A) PQRS

B) RSPQ

C) SRPQ

D) PSQR

• question_answer191) We warned her ......... the danger

A) from

C) against

D) of

• question_answer192) We all laughed ............ the affair

A) over

C) for

D) on

• question_answer193) The chairman, as well as the members ??? to blame for this misfortune.

A) are

B) were

C) is

D) has

• question_answer194) The streets are lighted ........... electricity

A) with

B) by

C) on

D) in

• question_answer195) Homeopathic treatment, they say, cuts ........ the need for operation and risk from surgery.

A) off

B) out

C) down

D) away

• question_answer196) They prefer curving pathways because

A) they are inauspicious

B) they can walk easily

C) they stumble over straight ones

D) good spirits walk in them

A) long life

B) happiness

C) plenty

D) permanent

• question_answer198) The Japanese parents plant a sapling at the time of birth of a child because

A) it is auspicious to plant a sapling

B) it is closely associated with the growth of the child

C) it gives longevity to the child

D) it gives happiness to the child

• question_answer199) According to the passage the Japanese are

A) superstitious

B) philosophical

C) lovers of nature

D) lovers of numerology

• question_answer200) The Japanese pathways tend to be

A) symbolic

B) beautiful

C) curved

D) straight