# Solved papers for BVP Medical BVP Medical Solved Paper-2012

### done BVP Medical Solved Paper-2012

• question_answer1) Two bodies A and B having temperatures $0.31$ and $0.81$ are radiating heat to the surrounding. The surrounding temperature is $0.42$. The ratio of rate of heat radiation of A to that of B is

A) ${{r}_{A}}$

B) ${{r}_{B}}$

C) ${{v}_{A}}$

D) ${{v}_{B}}$

• question_answer2) Two bulbs 40 W and 60 W and rated voltage 240 V are connected in series across a potential difference of 420 V. Which bulb will work at above its rated voltage?

A) 40 W bulb

B) 60 W bulb

C) Both will work

D) None of the above

• question_answer3) Two cars A and B move along a concentric circular path of radius $\frac{{{v}_{A}}}{{{v}_{B}}}$ and $\frac{{{r}_{B}}}{{{r}_{A}}}$ with velocities $\frac{{{r}_{A}}}{{{r}_{B}}}$ and $\frac{r_{A}^{2}}{R_{B}^{2}}$ maintaining constant distance, then $\frac{R_{B}^{2}}{R_{A}^{2}}$ is equal to

A) $3m/{{s}^{2}}$

B) $-3m/{{s}^{2}}$

C) $0.3m/{{s}^{2}}$

D) $-0.3m/{{s}^{2}}$

• question_answer4) A body of mass 10 kg is moving with a constant velocity of 10 m/s. When a constant force acts for 4 s on it, it moves with a velocity 2 m/s in the opposite directions. The acceleration produced in it is

A) $4:1$

B) $1:3$

C) $3:1$

D) $1:9$

• question_answer5) The ratio of maximum and minimum intensities of two sources is $1:16$. The ratio of their amplitudes is

A) $6m/s$

B) $4m/s$

C) $2m/s$

D) $1m/s$

• question_answer6) A weight w is suspended from the mid-point of a rope, whose ends are at the same level. In order to make the rope perfectly horizontal, the force applied to each of its ends must be

A) less than w

B) equal to w

C) equal to 2w

D) infinitely large

• question_answer7) The velocity of a particle at an instant is 10 m/s. After 3 s its velocity will become 16 m/s. The velocity at 2 s, before the given instant will be

A) $10m/s$

B) $7m/s$

C) $12m/s$

D) $\frac{2v(n-1)}{n}$

• question_answer8) A heavy stone hanging from a massless string of length 15 m is projected horizontally with speed 147 m/s. The speed of the particle at the point where the tension in the string equals the weight of the particle is?

A) $\frac{v(n-1)}{n}$

B) $\frac{v(n+1)}{n}$

C) $\frac{v(n+1)}{n}$

D) None of these

• question_answer9) When a body moves with constant speed in a circular path, then

A) work done will be zero

B) acceleration will be zero

C) no force acts on the body

D) its velocity remains constant

• question_answer10) A body initially at rest is moving with uniform acceleration a. Its velocity after n second is v. The displacement of the body in

A) ${{327}^{o}}C$

B) ${{427}^{o}}C$

C) ${{27}^{o}}C$

D) $0.52$

• question_answer11) The magnetic force on a point charge is $0.31$ Here, q = electric charge v = velocity of point charge B = magnetic field The dimensions of B is

A) $0.81$

B) $0.42$

C) ${{r}_{A}}$

D) None of these

• question_answer12) The first diffraction minimum due to single slit diffraction is $\theta$, for a light of wavelength ${{r}_{B}}$. If the width of the slit is ${{v}_{A}}$, then the value of $\theta$ is

A) ${{v}_{B}}$

B) $\frac{{{v}_{A}}}{{{v}_{B}}}$

C) $\frac{{{r}_{B}}}{{{r}_{A}}}$

D) $\frac{{{r}_{A}}}{{{r}_{B}}}$

• question_answer13) A stone of mass m tied to a string of length l is rotated in a circle with the other end of the string as the centre. The speed of the stone is v. If the string breaks, the stone will

A) move towards the centre

B) move away from the centre

C) move along tangent

D) stop

• question_answer14) A body of mass 2 kg is placed on rough horizontal plane. The coefficient of friction between body and plane is 0.2. Then,

A) body will move in forward direction if F= 5N

B) body will move in backward direction with acceleration $\frac{r_{A}^{2}}{R_{B}^{2}}$, if force F = 3N

C) If F = 3 N, then body will be in rest condition

D) Both (a) and (b) are correct

• question_answer15) A particle moves with a velocity $\frac{R_{B}^{2}}{R_{A}^{2}}$ under the influence of a constant force $3m/{{s}^{2}}$. The instantaneous power applied to the particle is

A) $-3m/{{s}^{2}}$

B) $0.3m/{{s}^{2}}$

C) $-0.3m/{{s}^{2}}$

D) $4:1$

• question_answer16) The potential energy of a particle of mass 5 kg moving in the xy-plane is given by $1:3$, x and y being in metre. If the particle starts from rest from origin, then speed of particle at t= 2 s is

A) $3:1$

B) $1:9$

C) $1:16$

D) $6m/s$

• question_answer17) The ratio of radii of gyration of a circular disc and a circular ring of the same radii and same mass about a tangential axis in the plane is

A) $4m/s$

B) $2m/s$

C) $1m/s$

D) $10m/s$

• question_answer18) A particle performs uniform circular motion with an angular momentum L. If the frequency of particle motion is doubled and its KE is halved, the angular momentum becomes

A) $7m/s$

B) $12m/s$

C) $\frac{2v(n-1)}{n}$

D) $\frac{v(n-1)}{n}$

• question_answer19) The minimum energy required to launch a m kg satellite from earths surface in a circular orbit at an altitude of 2R, R is the radius of earth, will be

A) $\frac{v(n+1)}{n}$

B) $\frac{2v(n+1)}{n}$

C) $\frac{2v(n+1)}{n}$

D) ${{327}^{o}}C$

• question_answer20) A satellite is moving on a circular path of radius r around the earth has a time period T. If its radius slightly increases by ${{427}^{o}}C$, the change in its time period is

A) ${{27}^{o}}C$

B) $0.52$

C) $0.31$

D) None of these

• question_answer21) A particle executes SHM, its time period is 16 s. If its passes through the centre of oscillation then its velocity is 2 m/s at time 2 s. The amplitude will be

A) $0.81$

B) $0.42$

C) ${{r}_{A}}$

D) ${{r}_{B}}$

• question_answer22) A simple harmonic oscillator has amplitude A, angular velocity co, and mass m. Then, average energy in one time period will be

A) ${{v}_{A}}$

B) ${{v}_{B}}$

C) $\frac{{{v}_{A}}}{{{v}_{B}}}$

D) $\frac{{{r}_{B}}}{{{r}_{A}}}$

• question_answer23) The wave front due to a source situated at infinity is

A) spherical

B) cylindrical

C) planar

D) None of these

• question_answer24) An astronaut is approaching the moon. He sends out a radio signal of frequency 5000 MHz and the frequency of echo is different from that of the original frequency by 100 kHz. His velocity of approach with respect to the moon is

A) $\frac{{{r}_{A}}}{{{r}_{B}}}$

B) $\frac{r_{A}^{2}}{R_{B}^{2}}$

C) $\frac{R_{B}^{2}}{R_{A}^{2}}$

D) $3m/{{s}^{2}}$

• question_answer25) When a sphere is taken to bottom of sea 1 km deep, it contracts by 0.01%. The bulk modulus of elasticity of the material of sphere is (Given : Density of water$-3m/{{s}^{2}}$)

A) $0.3m/{{s}^{2}}$

B) $-0.3m/{{s}^{2}}$

C) $4:1$

D) $1:3$

• question_answer26) The temperature of $3:1$ at which the rms velocity of its molecules is seven times the rms velocity of the molecules of nitrogen at 300 K is

A) $1:9$

B) $1:16$

C) $6m/s$

D) $4m/s$

• question_answer27) Gas exerts pressure on the walls of the container because

A) gas has weight

B) gas molecules have momentum

C) gas molecules collide with each other

D) gas molecules collide with the walls of the container

• question_answer28) The inside and outside temperatures of a refrigerator are 273 K and 303 K respectively. Assuming that refrigerator cycle is reversible, for every joule of work done, the heat delivered to the surrounding will be

A) $2m/s$

B) $1m/s$

C) $10m/s$

D) $7m/s$

• question_answer29) The wave number of stokes and anti-stokes lines in Raman spectrum are $12m/s$ and $\frac{2v(n-1)}{n}$respectively. The wave number of exciting line is

A) $\frac{v(n-1)}{n}$

B) $\frac{v(n+1)}{n}$

C) $\frac{2v(n+1)}{n}$

D) ${{327}^{o}}C$

• question_answer30) The surface temperature of the sun is T K and the solar constant for a plate is S. The sun subtends an angle 9 at the planet. Then,

A) ${{427}^{o}}C$

B) ${{27}^{o}}C$

C) $0.52$

D) $0.31$

• question_answer31) A body at a temperature of $0.81$ and has surface area$0.42$, radiates 300 J of energy each minute. The emissivity is (Given : Boltzman constant ${{r}_{A}}$)

A) e = 0.18

B) e = 0.02

C) e = 0.2

D) e = 0.15

• question_answer32) If at NTP velocity of sound in a gas is 1150 m/s, then the rms velocity of gas molecules at NTP is (Given ${{r}_{B}}$)

A) ${{v}_{A}}$

B) ${{v}_{B}}$

C) $\frac{{{v}_{A}}}{{{v}_{B}}}$

D) zero

• question_answer33) If $\frac{{{r}_{B}}}{{{r}_{A}}}$ = surface charge density, E = electric permittivity, the dimensions of $\frac{{{r}_{A}}}{{{r}_{B}}}$ are same as

A) electric force

B) electric field intensity

C) pressure

D) electric charge

• question_answer34) For circuit the equivalent capacitance between P and Q is

A) $\frac{r_{A}^{2}}{R_{B}^{2}}$

B) $\frac{R_{B}^{2}}{R_{A}^{2}}$

C) $3m/{{s}^{2}}$

D) $-3m/{{s}^{2}}$

• question_answer35) Masses m and M on pulley move 0.6 m in 4 s. What is ratio of $0.3m/{{s}^{2}}$?

A) $-0.3m/{{s}^{2}}$

B) $4:1$

C) $1:3$

D) $3:1$

• question_answer36) n-alpha particles per second are emitted from N atoms of a radioactive element. The half-life of radioactive element is

A) $1:9$

B) $1:16$

C) $6m/s$

D) $4m/s$

• question_answer37) In nuclear reaction, $2m/s$ where, M denotes

A) electron

B) positron

C) proton

D) neutron

• question_answer38) In terms of Rydberg constant R, the wave number of the first Banner line is

A) R

B) $1m/s$

C) $10m/s$

D) $7m/s$

• question_answer39) Three particles having charges in the ratio of 2:3:5, produce the same point on the photographic film in Thomson experiment. Their masses are in the ratio of

A) $12m/s$

B) $\frac{2v(n-1)}{n}$

C) $\frac{v(n-1)}{n}$

D) $\frac{v(n+1)}{n}$

• question_answer40) Polarisation of light proves

A) corpuscular nature of light

B) quantum nature of light

C) transverse wave nature of light

D) longitudinal wave nature of light

• question_answer41) In Youngs double slit experiment, the spacing between the slits is d and wavelength of light used is $\frac{2v(n+1)}{n}$. If the angular width of a fringe formed on a distant screen is 1?, then value of d is

A) ${{327}^{o}}C$

B) ${{427}^{o}}C$

C) ${{27}^{o}}C$

D) $0.52$

• question_answer42) Considering normal incidence of ray, the equivalent refractive index of combination of two slabs shown in figure is

A) $0.31$

B) $0.81$

C) $0.42$

D) None of these

• question_answer43) The electric field E and magnetic field B in electromagnetic waves are

A) parallel to each other

B) inclined at an angle of ${{r}_{A}}$

C) perpendicular to each other

D) opposite to each other

• question_answer44) The correct option, if speed of gamma rays, X-rays and micro waves are ${{r}_{B}}$ and ${{v}_{A}}$ respectively will be

A) ${{v}_{B}}$

B) $\frac{{{v}_{A}}}{{{v}_{B}}}$

C) $\frac{{{r}_{B}}}{{{r}_{A}}}$

D) $\frac{{{r}_{A}}}{{{r}_{B}}}$

• question_answer45) The wavelength of a radio wave of frequency of 1 MHz is

A) $\frac{r_{A}^{2}}{R_{B}^{2}}$

B) $\frac{R_{B}^{2}}{R_{A}^{2}}$

C) $3m/{{s}^{2}}$

D) $-3m/{{s}^{2}}$

• question_answer46) An AC is represented by $0.3m/{{s}^{2}}$ V and is applied over a resistance of $-0.3m/{{s}^{2}}$. The heat produced in 7 min is

A) $4:1$

B) $1:3$

C) $3:1$

D) $1:9$

• question_answer47) The couple acting on a magnet of length 10 cm and pole strength 15 Am, kept in a field of $1:16$ at an angle of $6m/s$, is

A) $4m/s$

B) $2m/s$

C) $1m/s$

D) $10m/s$

• question_answer48) At a point on the right bisector of a magnetic dipole, the magnetic

A) potential varies as $7m/s$

B) potential is zero at all points on the right bisector

C) field varies as $12m/s$

D) field is perpendicular to the axis of dipole

• question_answer49) In the given figure, the loop is fixed but straight wire can move. The straight wire will

A) remain stationary

B) move towards the loop

C) move away from the loop

• question_answer50) If two identical heaters each rated as (1000 W, 220 V) are connected in parallel to 220 V, then the total power consumed is

A) 200 W

B) 2500 W

C) 250 W

D) 2000 W

• question_answer51) Formula of gypsum is

A) ${{(CaS{{O}_{4}})}_{2}}.{{H}_{2}}O$

B) $CaS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O$

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

D) $CaS{{O}_{4}}$

• question_answer52) $\text{ }\!\!\alpha\!\!\text{ -}$sulphur and $\text{ }\!\!\beta\!\!\text{ -}$sulphur are in a state of equilibrium at

A) critical temperature

B) Boyles temperature

C) any temperature

D) transition temperature

• question_answer53) The purification method that is represented by $Ti+2{{I}_{2}}\xrightarrow{{}}Ti{{I}_{4}}\xrightarrow{\Delta }Ti+2{{I}_{2}}$ is called

A) Monds process

B) Zone-refining

C) liquation

D) van-Arkel process

• question_answer54) Which of the following substances consists of only one element?

A) Marble

B) Sand

C) Diamond

D) Glass

• question_answer55) Which one of the following cations gives a brick red flame by flame test?

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

B) $S{{r}^{2+}}$

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

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

• question_answer56) For which element of first transition series, the oxidation potential value $(M\to {{M}^{2+}}+2{{e}^{-}})$ is lowest?

A) $Mn$

B) $Fe$

C) $Ni$

D) $Cu$

• question_answer57) A compound of zinc which is white in cold state and yellow in hot state, is

A) $ZnS$

B) $ZnO$

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

D) $ZnS{{O}_{4}}$

• question_answer58) Which one of the following is wrongly matched?

A) ${{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}$ - Square planar

B) $[Ni{{(CO)}_{4}}]$ - Neutral ligand

C) ${{[Fe{{(C{{N}_{6}})}_{4}}]}^{3-}}$ $-s{{p}^{3}}{{d}^{2}}$

D) ${{[Co{{(en)}_{3}}]}^{3+}}$ - Follows EAN rule

• question_answer59) The compound which does not show par magnetism, is

A) $[Cu{{(N{{H}_{3}})}_{4}}]C{{l}_{2}}$

B) $[Ag{{(N{{H}_{3}})}_{2}}]Cl$

C) $NO$

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

• question_answer60) The activation energy for a reaction at the temperature T K was found to be 2.303 RT J $mo{{l}^{-1}}$. The ratio of the rate constant to Arrhenius factor is

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

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

C) $2\times {{10}^{-3}}$

D) $2\times {{10}^{-2}}$

• question_answer61) An element forms a solid oxide which when dissolved in water, forms an acidic solution. The element is

A) neon

B) sodium

C) phosphorus

D) sulphur

• question_answer62) What is the product obtained when $MnS{{O}_{4}}$ in solution is boiled with $Pb{{O}_{2}}$and concentrated $HN{{O}_{3}}$?

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

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

C) $M{{n}_{3}}{{O}_{4}}$

D) $PbMn{{O}_{4}}$

• question_answer63) Lead nitrate on heating gives lead oxide, nitrogen dioxide and oxygen. This reaction is known as

A) combustion

B) combination

C) displacement

D) decomposition

• question_answer64) The number of d-electrons in $[Cr{{({{H}_{2}}O)}_{4}}]$ is

A) 2

B) 3

C) 4

D) 5

• question_answer65) Coordination number for copper $(Cu)$ is

A) 1

B) 6

C) 8

D) 12

• question_answer66) Silver nitrate on heating gives

A) $AgO$ and $N{{O}_{2}}$

B) $AgO$ , $NO$ and ${{O}_{2}}$

C) $Ag$ and $N{{O}_{2}}$

D) $Ag$, $N{{O}_{2}}$ and ${{O}_{2}}$

• question_answer67) Which one of the following is an example of a true peroxide?

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

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

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

D) $S{{O}_{2}}$

• question_answer68) The molarity of 98% ${{H}_{2}}S{{O}_{4}}$ (d= 1.8 g/mL) by weight, is

A) $6M$

B) $18M$

C) $10M$

D) $4M$

• question_answer69) 20 mL of 10 N $HCl$ are mixed with 10 mL of 36 N ${{H}_{2}}S{{O}_{4}}$ and the mixture is made 1 L. Normality of the mixture will be

A) $0.56N$

B) $0.50N$

C) $0.40N$

D) $0.35N$

• question_answer70) The energy of an electron in the 3rd orbit of an atom is $-E$. The energy of an electron in the first orbit will be

A) $-3E$

B) $-\frac{E}{3}$

C) $-\frac{E}{9}$

D) $-9E$

A) $_{1}^{3}H$

B) $_{6}^{14}C$

C) $_{19}^{40}K$

D) All of these

• question_answer72) What is X in the nuclear reaction$_{7}^{14}N+_{1}^{1}H\xrightarrow{{}}_{8}^{15}O+X$?

A) $_{1}^{1}H$

B) $_{0}^{1}n$

C) $\gamma$

D) $_{-1}^{0}e$

• question_answer73) Which one of the following does not involve coagulation?

A) Formation of delta regions

B) Peptization

C) Treatment of drinking water by potash alum

D) Clotting of blood by the use of ferric chloride

• question_answer74) Benzaldehyde and acetone can be best distinguished using

A) Fehlings solution

B) Sodium hydroxide solution

C) 2, 4-DNP

D) Tollens reagent

• question_answer75) For the chemical reaction $A\xrightarrow{{}}E$, it is found that the rate of the reaction doubles when the concentration of A is increased four times. The order in terms of A for this reaction is

A) two

B) one

C) zero

D) half

• question_answer76) Consider the following gaseous equilibria with equilibrium constants ${{K}_{1}}$ and ${{K}_{2}}$ respectively $S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)S{{O}_{3}}(g)$$2S{{O}_{3}}(g)2S{{O}_{2}}(g)+{{O}_{2}}(g)$ The equilibrium constants are related as

A) $K_{1}^{2}=\frac{1}{{{K}_{2}}}$

B) $2{{K}_{1}}=K_{2}^{2}$

C) ${{K}_{2}}=\frac{2}{K_{1}^{2}}$

D) $K_{2}^{2}=\frac{1}{{{K}_{1}}}$

• question_answer77) Which one of the following is paramagnetic?

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

B) ${{N}_{2}}$

C) $He$

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

• question_answer78) The compound which is non-linear is

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

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

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

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

• question_answer79) The valency of the element having atomic number 9 is

A) 1

B) 2

C) 3

D) 4

• question_answer80) From the knowledge of the position of radium in the Periodic Table, which of the following statements would you expect to be false?

A) $RaS{{O}_{4}}$ is insoluble in water

B) $RaS{{O}_{4}}$ is insoluble in $HN{{O}_{3}}$

C) $RaS{{O}_{4}}$ is a white solid

D) $RaS{{O}_{4}}$ is a colourless liquid

A) $C{{H}_{3}}-C{{H}_{2}}-C\equiv C-CH\equiv C{{H}_{2}}$

B) $C{{H}_{3}}-C\equiv C-CH=CH-C{{H}_{3}}$

C) $C{{H}_{3}}C{{H}_{2}}-CH=CH-C\equiv CH$

D) $C{{H}_{3}}-C\equiv C-C{{H}_{2}}-CH=C{{H}_{2}}$

• question_answer82) The number of unpaired electrons in carbon atom is

A) one

B) two

C) three

D) four

• question_answer83) The end product of 4n series is

A) $_{82}^{208}Pb$

B) $_{82}^{207}Pb$

C) $_{82}^{209}Pb$

D) None of these

• question_answer84) Which statement is correct?

A) Ethanol is more acidic than phenol

B) Phenol is more acidic than ethanol

C) Phenol is more acidic than benzoic acid

D) Acidity of phenol and benzoic acid is about equal

• question_answer85) Which chloride is least reactive with the hydrolysis point of view?

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

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

C) ${{(C{{H}_{3}})}_{3}}CCl$

D) $C{{H}_{2}}=CH-Cl$

• question_answer86) The reaction of acetone with $PC{{l}_{5}}$ gives

A) $C{{H}_{3}}COC{{H}_{2}}Cl$

B) $C{{H}_{3}}COCHC{{l}_{2}}$

C)

D) $ClC{{H}_{2}}COC{{H}_{2}}Cl$

A) ethene is more reactive than ethyne

B) ethene is less reactive than ethyne

C) both have equal reactivity

D) the reactivity of both cannot be predicted

• question_answer88) On heating a mixture of sodium benzoate and soda lime, ...... is formed.

A) toluene

B) phenol

C) benzene

D) benzoic acid

• question_answer89) In the following reaction,$2C{{H}_{2}}=C{{H}_{2}}+{{S}_{2}}C{{l}_{2}}\to \Pr oduct$The product is

A) mustard gas

B) lewisite

C) polythene

D) Teflon

• question_answer90) What is the initial product of the acidic hydrolysis of a cyanide?

A) A primary amide

B) An isocyanide

C) An isocyanate

D) A nitrile

• question_answer91) In the preparation of nylon-6 from cyclohexanone oxime, use is made of a rearrangement reaction. This rearrangement reaction is called

A) Wolff rearrangement

C) Curtius rearrangement

D) Beckmann rearrangement

• question_answer92) In the reaction,$C{{l}_{2}}+C{{H}_{4}}\xrightarrow{hv}C{{H}_{3}}Cl+HCl$presence of a small amount of oxygen

A) increases the rate of reaction for a brief period of time

B) decreases the rate of reaction for a brief period of time

C) does not affect the rate of reaction

D) completely stops the reaction

• question_answer93) An example of a lipid is

A) lard

B) keratin

C) glutathione

D) oxytocin

• question_answer94) Which of the following reagents can be used for distinguishing the three classes of alcohols?

A) Fentons reagent

B) Lucas reagent

C) Schiffs reagent

D) Tollens reagent

A) a polymer of 1, 3-butadiene

B) a polymer of ethylene

C) a polymer of 2-methyl-l, 3-butadiene

D) a polymer of styrene

• question_answer96) In alkaline medium, alanine exists predominantly as

A) anion

B) Zwitter ion

C) cation

D) covalent form

• question_answer97) Number of resonating structures for Dewars benzene will be

A) one

B) two

C) three

D) four

• question_answer98) Which of the following reactions can be used for the synthesis of an alkene?

A) Chugaev reaction

B) Dakin reaction

C) Reimer-Tiemann reaction

D) Wurtz-Fittig reaction

• question_answer99) The reaction,${{R}_{2}}C=NN{{H}_{2}}\xrightarrow{{{C}_{2}}{{H}_{5}}ONa}{{R}_{2}}C{{H}_{2}}+{{N}_{2}}$ is called

A) Clemmensen reduction

B) Hunsdiecker reaction

C) Tischenko reaction

D) Wolff-Kishner reduction

• question_answer100) Molecules of a noble gas do not possess vibrational energy because a noble gas

A) is monoatomic

B) is chemically inert

C) has completely filled shells

D) is diamagnetic

• question_answer101) The number of hydrogen bonds between adenine and thymine in a DNA molecule is

A) two

B) three

C) four

D) eight

• question_answer102) The enzyme, which combines with non-protein part to form a functional enzyme known as

A) co-enzyme

B) holoenzyme

C) apoenzyme

D) prosthetic group

• question_answer103) Which of the following enzyme digest protein in stomach?

A) Trypsin

B) Pepsin

C) Crepsin

D) None of these

• question_answer104) Passive food ingestion in Amoeba is known as

A) import

B) invagination

C) circumfluence

D) circumvallation

• question_answer105) The slime moulds are characterized by the presence of

A) elaters

B) pseudoelaters

C) capillitium

D) capitulum

• question_answer106) Ecdysone is secreted from

A) insecta

B) trematoda

C) nematoda

D) polycheta

• question_answer107) In the life cycle of mosquito, common-shaped stage is

A) larval stage

B) pupal stage

C) imago stage

D) None of these

• question_answer108) Haemocoel is found in

A) Hydra and Aurelia

B) Taenia and Ascaris

C) Cockroach and Pila

D) Balanoglossus and Herdmania

• question_answer109) The group of anamniota includes

A) reptiles and birds

B) birds and mammals

C) fishes and amphibians

D) reptiles and mammals

• question_answer110) The excretory material of bony fish is

A) urea

B) protein

C) ammonia

D) amino acid

• question_answer111) Different colours of frog skin are controlled by

A) hormones

B) melanocytes

C) nervous system

D) Both (a) and (b)

• question_answer112) Blastula of frog has

A) blastopore

B) blastocoel

C) archenteron

D) gastropore

• question_answer113) Carotene pigment is found in the cells of

A) dermis

B) epidermis

D) Both (a) and (b)

• question_answer114) Deboves membrane is a layer of

A) muscular tissue

B) epithelial tissue

C) connective tissue

D) All of these

• question_answer115) Achilles tendon is associated with

A) gluteus muscle

B) hamstring muscle

D) gastrocnemius muscle

• question_answer116) The leucocytes contain, which of the following in large quantity?

A) Basophils

B) Neutrophils

C) Eosinophils

D) Monocytes

• question_answer117) Which part of our body secreted the hormone secretin?

A) Ileum

B) Stomach

C) Duodenum

D) Oesophagus

• question_answer118) During inspiration, the diaphragm

A) expands

B) shows no change

C) contracts and flattens

D) relaxes to become dome-shaped

• question_answer119) The oxygen toxicity is related with

A) blood poisoning

B) collapse of alveolar walls

C) failure of ventilation of lungs

D) Both (a) and (b)

• question_answer120) Cardiac output is determined by

A) heart rate

B) stroke volume

C) blood flow

D) Both (a) and (b)

• question_answer121) The important function of lymph is to

A) transport oxygen to the brain

B) transport carbon dioxide to the lungs

C) return RBCs to the lymph nodes

D) return interstitial fluid to the blood

• question_answer122) The lining of intestine and kidneys in humans is

A) keratinized

B) brush border

C) ciliated

D) None of these

• question_answer123) The yellow colour of urine is due to the presence of

A) urea

B) uric acid

C) urochrome

D) bilirubin

• question_answer124) The Leydig cells secrete

A) oestrogen

B) testosterone

C) progesterone

D) corticosterone

• question_answer125) The function of pineal body is to

A) lighten the skin colours

B) control sexual behavior

C) regulates the period of puberty

D) All of the above

A) rapid growth due to excessive intake of nutrients

B) increase in population size

C) decrease in population size

D) increase in concentration of non-degradable pollutants as they pass through food chain

• question_answer127) During the conduction of never impulse, the action potential is the result of movement of

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

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

C) $N{{a}^{+}}$ towards both directions

D) None of the above

A) killer-T cells

B) helper-T cells

C) suppressor-T cells

D) carrier-T cells

• question_answer129) Apis dorsata refers to

A) rock bee

B) little bee

C) Indian bee

D) European bee

• question_answer130) Which are the longest cells in the body of man?

A) Muscle cells of legs

B) Bone cells

C) Nerve cells

D) None of the above

• question_answer131) $CO$ is more toxic than $C{{O}_{2}}$ because

A) it affects the nervous system

B) it damages lungs

C) it reduces the oxygen carrying capacity of haemoglobin

D) it forms acid with water

• question_answer132) Leprosy is also called as

A) Hansens disease

B) sarcoma

C) slim disease

D) leukaemia

• question_answer133) Which of the following is not a character of Chordata?

A) Dorsal tubular nerve cord

B) Pharyngeal gill slits

C) Presence of notochord

D) Presence of spinal cord

• question_answer134) Vitamin essential for proper functioning of liver and clotting of blood is

A) vitamin-K

B) vitamin-A

C) vitamin-E

D) vitamin- ${{B}_{2}}$

• question_answer135) Cancer causing genes (oncogenes) were discovered by

A) Watson and Crick

C) Bishop and Varamus

D) Temin and Baltimore

• question_answer136) Beak is toothed in

A) pelican

B) kiwi

C) ostrich

D) Archaeopteryx

• question_answer137) The sliding filament theory of muscle contraction was proposed by

A) AF Huxley and AP Pullman

B) AF Huxley and HE Huxley

C) B Pullman and AF Huxley

D) A Pullman and E Pullman

• question_answer138) Which one is uricotelic?

B) Lizards and birds/cockroach

C) Cattle, monkey and man

D) Molluscs and teleost fishes

A) symbiotic

B) mutualistic

C) parasitic

D) coevolved

A) ovoviviparous

B) oviparous

C) sexually sterile

D) parthenogenetic

A) Torpedo

B) Scoliodon

C) Anguilla

D) Exocoetus

• question_answer142) Tay-Sachs disease is due to

C) autosomal dominant gene

D) autosomal recessive gene

• question_answer143) The earliest fossil form in phylogeny of horse is

A) Merychippus

B) Mesohippus

C) Eohippus

D) Equus

A) All veins carry deoxygenated blood

B) All veins carry oxygenated blood

C) They carry blood from organs towards heart

D) They carry blood from heart towards organs

• question_answer145) Autosomes in humans are

A) 11 pairs

B) 22 pairs

C) 23 pairs

D) 43 pairs

• question_answer146) Haeckels biogenetic law or recapitulation theory states that

A) life history of an animal reflects evolutionary history of the same

B) progeny resembles parents

C) mutations are acquired characters

D) all organisms begin their life from zygote

• question_answer147) A colourblind mother and normal father would have

A) colour blind sons and normal/carrier daughters

B) colour blind sons and daughters

C) all colour blind

D) all normal

• question_answer148) Cranial capacity of modem man is

A) 450-650 cc

B) 660-1000 cc

C) 900-1100 cc

D) 1200-1600 cc

• question_answer149) Inheritance of ABO blood groups illustrates

A) polyploidy

B) multiple allelism

C) euploidy

D) dominance

• question_answer150) The most primitive cell like chemical aggregates capable of growth and division were

A) chemoautotrophs

B) eobionts

C) prokaryotes

D) microspheres

A) small extra chromosomal circular self replicating DNA that can carry genes into host organism

B) bacteriophage

C) DNA found in mitochondria

D) DNA incorporated in bacterial chromosome

• question_answer152) A group of plants or animals with similar traits of any rank is

A) species

B) genus

C) order

D) taxon

• question_answer153) Fermentation products of yeast are

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

B) Methyl alcohol $+C{{O}_{2}}$

C) Methyl alcohol + Water

D) Ethyl alcohol $+C{{O}_{2}}$

• question_answer154) Grafting is not possible in monocots because they

A) lack cambium

B) have scattered vascular bundles

C) have parallel venation

D) are herbaceous

A) Formation of embryo from egg of embryo sac proliferated from a nucellar cell

B) Formation of embryo from egg of embryo sac formed directly from megaspore mother cell

C) Formation of embryo directly from nucellus

D) Formation of embryo directly from integument

• question_answer156) RQ for fatty substance/fat is

A) unit

B) less than one

C) more than one

D) zero

• question_answer157) Seed which are able to withstand reduction in moisture and temperature are called

A) dormant seeds

B) recalcitrant seeds

C) orthodox seeds

D) non-viable seeds

• question_answer158) Enzyme required for transcription is

A) RNA se

B) End nuclease

C) RNA polymerase

D) DNA polymerase

• question_answer159) The synthetic hormone used as a weedicide is

A) indole-3-acetic acid

B) gibberellic acid

C) 2, 4-dichlorophenoxyacetic acid

D) maleic hydrazide

• question_answer160) Which is present in monocot flowers?

A) Sepals

B) Petals

C) Tepals

D) None of these

A) growth of pollen tube inside the carpel

B) dehiscence of anthers

C) opening of floral bud

D) emergence of anthers

• question_answer162) Which one of the following contain agranal chloroplasts?

A) ${{C}_{3}}$-plants

B) Succulants

C) ${{C}_{4}}$-plants

D) Hydrophytes

• question_answer163) The process of multiplication of DNA from DNA is known as

A) replication

B) transversion

C) transcription

D) translation

• question_answer164) Phycobilins absorb light of wavelength

A) $670-700nm$

B) $610-650mn$

C) $500-650nm$

D) $520-520nm$

• question_answer165) For synthesis of one hexose sugar, how many times Calvin cycle is turned?

A) 12

B) 2

C) 6

D) 3

• question_answer166) The number of chlorophyll molecules in a quanta some is

A) $50-100$

B) $200-250$

C) $300-400$

D) $500-600$

• question_answer167) A plant having seeds but lacking flowers and fruits belong to

A) pteridophytes

B) mosses

C) ferns

D) gymnosperms

• question_answer168) Transpiration differ from evaporation in

A) rate of water loss

B) transpiration is a physiological process whereas, evaporation is physical process

C) transpiration is a physical process, while evaporation is physiological process

D) frequency of water loss

• question_answer169) Pigments common to all algae are

A) chlorophyll-a and phycobilins

B) chlorophyll-a and carotenoids

C) chlorophyll-a and chlorophyll-b

D) chlorophyll-a) and carotenoids

A) cobalt chloride

B) mercury

C) potassium

D) phenyl mercuric acetate

• question_answer171) Crossing over in diploid organisms is responsible for

A) dominance of genes

D) segregation of alleles

• question_answer172) Active K+ exchange mechanism for opening and closing of stomata was given by

A) Darwin

B) Levit

C) Scarth

D) Khorana

• question_answer173) First geneticist, father of genetics was

A) deVries

B) Mendel

C) Darwin

D) Morgan

• question_answer174) Quiescent centre is found in root apex and acts as

A) permanent source of active initiates

B) reservoir of resistant cells

C) reservoir of passive cells to form new root apex if root apex is damaged/killed

D) All of the above

• question_answer175) A fruit developed from a condensed inflorescence is

A) simple fruit

B) aggregate fruit

C) composite fruit

D) exterior

• question_answer176) Acid rain are produced by

A) excess $N{{O}_{2}}$ and $S{{O}_{2}}$ from burning fossil fuels

B) excess production of $N{{H}_{3}}$ by industry and coal gas

C) excess release of carbon monoxide by incomplete combustion

D) excess formation of $C{{O}_{2}}$by combustion and animal respiration

• question_answer177) The principal cereal crop of India/Asia is

A) Sorghum

B) barley

C) wheat

D) rice

• question_answer178) The stage of cell cycle when cell has undergone differentiation is

A) ${{G}_{0}}$

B) ${{G}_{1}}$

C) ${{G}_{3}}$

D) ${{G}_{4}}$

• question_answer179) Principle protein of cilia and flagella is

A) globulin

B) fibrin

C) flagellin

D) tubulin

A) pigment system I (only one pigment system)

B) pigment system II

C) Both (a) and (b)

D) some other type

• question_answer181) Major coffee producing state of India is

B) Kerala

C) Karnataka

• question_answer182) DNA/chromosome replication takes place during

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

B) ${{G}_{2}}$-phase

C) S-phase

D) Prophase

A) against concentration gradient and requires ATP

B) against concentration gradient and does not require ATP

C) along concentration gradient but require ATP

D) along concentration gradient but does not require ATP

• question_answer184) Two or more species occupying same or ovar lapping areas are

A) sympatric

B) sibling

C) sub-species

D) allopatric

• question_answer185) Terminal cytochrome of respiratory chain which donates electrons to oxygen is

A) cytochrome -b

B) cytochrome-c

C) cytochrome - ${{a}_{1}}$

D) cytochrome-${{a}_{3}}$

• question_answer186) Dendrochronology is the study of

A) height of a tree

B) diameter of a tree

C) age of the tree by counting the number of annual rings in the main stem

D) None of the above

• question_answer187) A student wants to study metaphasic behaviour of chromosomes in a living cell. The technique most suitable is

A) phase contrast microscope

B) X-ray microscope

C) cell fractionation

D) scanning electron microscope

• question_answer188) Protonema is found in the life cycle of

A) Spirogyra

B) Rhizopus

C) Escherichia

D) Funaria

• question_answer189) Energy currency (reservoir) of the cells is

A) AMP

B) ATP

C) RNA

D) DNA

• question_answer190) An open collateral bundle is one in which

A) xylem and phloem are separated by cambium

B) xylem and phloem lie side by side

C) cambium occurs on the out side of bundle

D) cambium does not occur in the bundle

• question_answer191) Agar-agar commonly used in bacterial cultures and medication is obtained from

A) Sargassum

B) Gelidium

C) Ulothrix

D) Ulva

• question_answer192) Dikaryon formation is characteristic of

A) Ascomycetes and Basidiomycetes

B) Phycomycetes and Basidiomycetes

C) Ascomycetes and Phycomycetes

D) Phycomycetes and Zygomycetes

• question_answer193) Most effective wavelength of light for photosynthesis is

A) green

B) violet

C) red

D) yellow

• question_answer194) Divisions characteristic of Korper-Kappe theory are

A) anticlinal

B) T-type

C) periclinal

D) irregular

• question_answer195) Prothallus of fern has

A) antheridia and archegonia on lower surface

B) antheridia and archegonia on upper surface

C) antheridia on upper surface and archegonia on lower

D) antheridia on lower surface and archegonia on upper surface

• question_answer196) Male cone of Pinus possesses

A) mega sporophylls

B) microsporophylls

C) anthers

D) ligules

• question_answer197) ${{C}_{4}}$-plants, synthesis of sugars/final $C{{O}_{2}}$ fixation occurs in

B) spongy cells

C) undifferentiated mesophyll cells

D) bundle sheath cells

• question_answer198) Cork cambium and vascular cambium are

A) parts of secondary xylem and phloem

B) parts of pericycle

C) lateral meristems

D) apical meristems

• question_answer199) First natural cytokinin was discovered by

A) Skoog and Miller

B) Letham

C) Benson and Calvin

D) Thimann and Went

• question_answer200) Grassland with scattered trees is

A) savannah

B) deciduous forest

C) evergreen forest

D) tropical rain forest

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