Solved papers for BVP Medical BVP Medical Solved Paper-2008

done BVP Medical Solved Paper-2008

  • question_answer1) How many seconds are there in a light Fermi?

    A) \[{{10}^{-15}}s\]

    B) \[3.0\times {{10}^{8}}s\]

    C) \[3.33\times {{10}^{-24}}s\]

    D) \[3.33\times {{10}^{-7}}s\]

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  • question_answer2) A machine is delivering constant power to drive a body along a straight line. What is the relation between the distance travelled by the body against time?

    A) \[{{s}^{2}}\alpha {{t}^{3}}\]

    B) \[{{s}^{2}}\alpha {{t}^{-3}}\]

    C) \[{{s}^{2}}\alpha {{t}^{2}}\]

    D) \[s\alpha {{t}^{3}}\]

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  • question_answer3) The square of resultant of two equal forces is three times their product. Angle between the forces is

    A) \[\pi \]

    B) \[\frac{\pi }{2}\]

    C) \[\frac{\pi }{4}\]

    D) \[\frac{\pi }{3}\]

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  • question_answer4) An object placed on a ground is in stable equilibrium. If the object is given a slight push then initially the position of centre of gravity

    A) moves nearer to ground

    B) rises higher above the ground

    C) remains as such

    D) may remain at same level

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  • question_answer5) How much work must be done by a force on 50 kg body in order to accelerate it from rest to 20 m/s in 10 s ?

    A) \[{{10}^{3}}J\]

    B) \[{{10}^{4}}J\]

    C) \[2\times {{10}^{4}}J\]

    D) \[4\times {{10}^{4}}J\]

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  • question_answer6) Moment of inertia of circular loop of radius R about the axis of rotation parallel to horizontal diameter at a distance R/2 from it is

    A) \[M{{R}^{2}}\]

    B) \[\frac{1}{2}M{{R}^{2}}\]

    C) \[2M{{R}^{2}}\]

    D) \[\frac{3}{4}M{{R}^{2}}\]

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  • question_answer7) What will happen to the weight of the body at the South Pole, if the earth stops rotating about its polar axis?

    A) No change

    B) Increases

    C) Decreases but does not become zero

    D) Reduces to zero

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  • question_answer8) A beam of metal supported at the two ends is loaded at the centre. The depression at the centre is proportional to

    A) \[{{Y}^{2}}\]

    B) Y

    C) \[\frac{1}{Y}\]

    D) \[\frac{1}{{{Y}^{2}}}\]

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  • question_answer9) A common hydrometer reads specific gravity of liquids. Compared to the 1.6 mark of the stem the mark 1.5 will be

    A) upwards

    B) downwards

    C) in the same place

    D) may be upward or downward depending upon the hydrometer

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  • question_answer10) A balloon contains 500\[{{m}^{3}}\] of Heat 27?C and atmospheric pressure. The volume of Heat -3?C and 0.5 atmospheric pressure will be

    A) 700\[{{m}^{3}}\]

    B) 900\[{{m}^{3}}\]

    C) 1000\[{{m}^{3}}\]

    D) 500\[{{m}^{3}}\]

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  • question_answer11) Which of the following is different from others?

    A) Wavelength

    B) Velocity

    C) Frequency

    D) Amplitude

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  • question_answer12) Two pendulums have time periods T and 57/4. They starts SHM at the same time from the mean position. What will be the phase difference between them after the bigger pendulum completed one oscillation?

    A) \[45{}^\circ \]

    B) \[90{}^\circ \]

    C) \[60{}^\circ \]

    D) \[30{}^\circ \]

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  • question_answer13) A balloon is filled with hydrogen. For sound waves, this balloon behaves like

    A) a converging lens

    B) a diverging lens

    C) a concave mirror

    D) None of these

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  • question_answer14) Each of the two point charges are doubled and their distance is halved. Force of interaction becomes n times, where n is

    A) 4

    B) 1

    C) 1/16

    D) 16

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  • question_answer15) Two soap bubbles have radii in the ratio of 2:1. What is the ratio of excess pressures inside them?

    A) 1 : 2

    B) 1 : 4

    C) 2 : 1

    D) 4 : 1

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  • question_answer16) The phenomenon of Brownian movement may be taken as evidence of

    A) kinetic theory of matter

    B) EMT of radiation

    C) corpuscular theory of light

    D) photoelectric phenomenon

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  • question_answer17) Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

    A) interference

    B) diffraction

    C) reflection

    D) refraction

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  • question_answer18) An ice block floats in a liquid whose density is less than water. A part of block is outside the liquid. When whole of ice has melted, the liquid level will

    A) rise

    B) go down

    C) remain same

    D) first rise then go down

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  • question_answer19) Two bodies of different masses of 2 kg and 4 kg moving with velocities 2 m/s and 10 m/s towards each other due to mutual gravitational attraction. What is the velocity of their centre of mass?

    A) 5 m/s

    B) 6 m/s

    C) 8 m/s

    D) Zero

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  • question_answer20) Given that the displacement of an oscillating particle is given by \[y=A\sin (Bx+Ct+D).\] The dimensional formula for (ABCD) is

    A) \[\left[ {{M}^{0}}{{L}^{-1}}{{T}^{0}} \right]\]

    B) \[\left[ {{M}^{0}}{{L}^{0}}{{T}^{-1}} \right]\]

    C) \[\left[ {{M}^{0}}{{L}^{-1}}{{T}^{-1}} \right]\]

    D) \[\left[ {{M}^{0}}{{L}^{0}}{{T}^{0}} \right]\]

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  • question_answer21) Two waves having intensities in the ratio of 9:1 produce interference. The ratio of maximum to minimum intensity is equal to

    A) 10 : 8

    B) 9 : 1

    C) 4 : 1

    D) 2 : 1

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  • question_answer22) Four wires each of same length, diameter and material are connected to each other to form a square. If the resistance of each wire is R, then equivalent resistance across the opposite comersis

    A) R

    B) R/2

    C) R/4

    D) none of these

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  • question_answer23) An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the efficiency be 40% then the resistance of armature is

    A) 2 \[\Omega \]

    B) 8 \[\Omega \]

    C) 12 \[\Omega \]

    D) 16 \[\Omega \]

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  • question_answer24) A capacitor having capacity of 2.0\[\mu F\] is charged to 200 V and then the plates of the capacitor are connected to a resistance wire. The heat produced in joule will be

    A) \[2\times {{10}^{-2}}\]

    B) \[4\times {{10}^{-2}}\]

    C) \[4\times {{10}^{4}}\]

    D) \[4\times {{10}^{10}}\]

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  • question_answer25) A voltmeter of range 2V and resistance 300\[\Omega \]cannot be converted into ammeter of range

    A) 1 A

    B) 1 mA

    C) 100 mA

    D) 10 mA

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  • question_answer26) If a magnet is suspended at angle 30? to the magnetic meridian, the dip needle makes angle of 45? with the horizontal. The real dip is

    A) \[{{\tan }^{-1}}(\sqrt{3/2})\]

    B) \[{{\tan }^{-1}}(\sqrt{3})\]

    C) \[{{\tan }^{-1}}(\sqrt{3/2})\]

    D) \[{{\tan }^{-1}}(2/\sqrt{3})\]

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  • question_answer27) Which quantity is increased in step-down transformer?

    A) Current

    B) Voltage

    C) Power

    D) Frequency

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  • question_answer28) The ratio of intensity at the centre of a bright fringe to the intensity at a point distant one fourth of the distance between two successive bright fringes will be

    A) 4

    B) 3

    C) 2

    D) 1

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  • question_answer29) Which has more luminous efficiency?

    A) A 40 W bulb

    B) A 40 W fluorescent tube

    C) Both have same

    D) cannot say

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  • question_answer30) When a ray of light enters from one medium to another, then its velocity in second medium becomes double. The maximum value of angle of incidence, so that total internal reflection may not take place will be

    A) \[60{}^\circ \]

    B) \[180{}^\circ \]

    C) \[90{}^\circ \]

    D) \[30{}^\circ \]

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  • question_answer31) What should be the velocity of an electron so that its momentum becomes equal to that of a photon of wavelength \[5200\overset{\text{o}}{\mathop{\text{A}}}\,\]?

    A) 700 m/s

    B) 1000 m/s

    C) 1400 m/s

    D) 2800 m/s

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  • question_answer32) A radioactive element has half-life period of 600 years. After 3000 years, what amount will remain?

    A) \[\frac{1}{2}\]

    B) \[\frac{1}{16}\]

    C) \[\frac{1}{8}\]

    D) \[\frac{1}{32}\]

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  • question_answer33) Beyond which frequency, the ionosphere bends any incident electromagnetic radiation but do not reflect it back towards the earth?

    A) 50 MHz

    B) 40 MHz

    C) 30 MHz

    D) 20 MHz

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  • question_answer34) In intrinsic semiconductor at room temperature number of electrons and holes are

    A) equal

    B) zero

    C) unequal

    D) infinite

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  • question_answer35) The unit of thermal conductance is

    A) \[W{{K}^{-1}}\]

    B) \[J{{K}^{-1}}\]

    C) WK

    D) JK

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  • question_answer36) The value of P so that the vectors \[2\mathbf{\hat{i}}-\mathbf{\hat{j}}+\mathbf{\hat{k}},\mathbf{\hat{i}}+2\mathbf{\hat{j}}-3\mathbf{\hat{k}}\] and \[3\mathbf{\hat{i}}+P\mathbf{\hat{j}}+5\mathbf{\hat{k}}\] are coplanar should be

    A) 16

    B) -4

    C) 4

    D) -8

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  • question_answer37) A capacitor of capacitance C has charge Q and stored .energy is W. If the charge is increased to 2Q, the stored energy will be

    A) \[\frac{W}{4}\]

    B) \[\frac{W}{2}\]

    C) 2 W

    D) 4 W

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  • question_answer38) Pure silicon at 300 K has equal electron ne and whole\[({{n}_{h}})\] concentration of\[1.5\times {{10}^{16}}\,\,{{m}^{-3}}\]. Doping by indium increases \[{{n}_{h}}\]to \[\,\,4.5\times {{10}^{22}}\,\,{{m}^{-3}}\]. The \[{{n}_{e}}\] in the doped silicon is

    A) \[9\times {{10}^{5}}\]

    B) \[5\times {{10}^{9}}\]

    C) \[2.25\times {{10}^{11}}\]

    D) \[3\times {{10}^{19}}\]

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  • question_answer39) A cylindrical conductor is placed near another positively charged conductor. The net charge acquired by the cylindrical conductor will be :

    A) positive only

    B) negative only

    C) zero

    D) either positive or negative

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  • question_answer40) If the unit of force is 1 kilo newton, the length is km and time 100 s, what will be the unit of mass?

    A) 1,000 kg

    B) 1kg

    C) 10,000 kg

    D) 100 kg

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  • question_answer41) The maximum tension which an in extensible ring of mass 0.1 kg/m can bear is 10 N. The maximum velocity in m/s with which it can be rotated is

    A) 10

    B) \[\sqrt{10}\]

    C) 20

    D) 15

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  • question_answer42) If there were a reduction in gravitational effect, which of the following forces do you think would change in some respect?

    A) Magnetic force

    B) Electrostatic force

    C) Viscous force

    D) Archimedes uplift

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  • question_answer43) The breaking force for a wire of diameter D of a material is F. The breaking force for a wire of the same material of radius D is

    A) F

    B) 2F

    C) \[\frac{F}{4}\]

    D) 4F

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  • question_answer44) A uniformly tapering vessel is filled with a liquid of density \[900\text{ }kg/{{m}^{3}}.\] The force that acts on the base of the vessel due to the liquid is\[(g=10\text{ }m/{{s}^{2}})\]

    A) 3.6 N

    B) 7.2 N

    C) 9.0 N

    D) 14.4 N

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  • question_answer45) If pressure of a gas contained in a closed vessel is increased by 0.4% when heated by \[1{}^\circ C\], its initial temperature must be

    A) 250 K

    B) \[250{}^\circ C\]

    C) 2500 K

    D) \[25{}^\circ C\]

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  • question_answer46) Lines of force due to earths horizontal magnetic field are

    A) parallel and straight

    B) concentric circles

    C) elliptical

    D) curved lines

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  • question_answer47) Two thermometers are constructed in the same way except that one has a spherical bulb and the other a cylindrical bulb, which one will respond quickly to temperature changes?

    A) Spherical bulb thermometer

    B) Cylindrical bulb thermometer

    C) Both equally

    D) None of the above

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  • question_answer48) What is the fractional change in tension necessary in a sonometer of fixed length to produce a note one octave lower than before?

    A) \[\frac{1}{4}\]

    B) \[\frac{1}{2}\]

    C) \[\frac{2}{3}\]

    D) \[\frac{3}{4}\]

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  • question_answer49) If battery of 6 V is connected to the terminals of three metre long wire of uniform thickness and resistance of the order of 100 ohm, the difference of potential between two points separated by 50 cm in the wire will be

    A) 1V

    B) 1.5 V

    C) 2 V

    D) 3 V

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  • question_answer50) In an electromagnetic wave, the electric and magnetising fields are 100 V/m and 0.265 A/m. The maximum energy flow is

    A) 26.5 W/\[{{m}^{2}}\]

    B) 36.5 W/\[{{m}^{2}}\]

    C) 46.7 W/\[{{m}^{2}}\]

    D) 765 W/\[{{m}^{2}}\]

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  • question_answer51) Ethyl acetate is obtained when methyl magnesium bromide reacts with

    A) ethyl formate

    B) ethyl chloroformate

    C) acetyl chloride

    D) carbon dioxide

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  • question_answer52) The most stable hydride is

    A) \[N{{H}_{3}}\]

    B) \[P{{H}_{3}}\]

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

    D) \[Sb{{H}_{3}}\]

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  • question_answer53) The ratio of amounts of \[{{H}_{2}}S\]needed to precipitate all the metal ions from 100 mL of \[1M\,\,AgN{{O}_{3}}\]and 100 mL of 1M \[CuS{{O}_{4}}\] will be

    A) \[1:1\]

    B) \[1:2\]

    C) \[2:1\]

    D) none of these

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  • question_answer54) If the electronegativity difference between two atoms A and B is 2.0, then the percentage of co-valent character in the molecule is

    A) 54%

    B) 46%

    C) 23%

    D) 72%

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  • question_answer55) Which of the following reaction defines \[\Delta H_{f}^{o}\]?

    A) \[{{C}_{(diamond)}}+{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g)\]

    B) \[\frac{1}{2}{{H}_{2}}(g)+\frac{1}{2}{{F}_{2}}(g)\xrightarrow{{}}HF(g)\]

    C) \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{{}}2N{{H}_{2}}(g)\]

    D) \[CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g)\]

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  • question_answer56) Formaldehyde polymerizes to form glucose according to the reaction\[6HCHO\rightleftharpoons {{C}_{6}}{{H}_{12}}{{O}_{6}}\] The theoretically computed equilibrium constant for this reaction is found to be \[6\times {{10}^{22}}\] If 1 M solution of glucose dissociates according to the above equilibrium, the concentration of formaldehyde in the solution will be

    A) \[1.6\times {{10}^{-2}}M\]

    B) \[1.6\times {{10}^{-4}}M\]

    C) \[1.6\times {{10}^{-6}}M\]

    D) \[1.6\times {{10}^{-8}}M\]

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  • question_answer57) The electronic configuration of a dispositive ion \[{{M}^{2+}}\] is 2, 8, 14 and its mass number is 56. The number of neutrons present is

    A) 32

    B) 42

    C) 30

    D) 34

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  • question_answer58) If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

    A) X/N

    B) NX

    C) 2 NX

    D) NX/2

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  • question_answer59) A hypothetical reaction \[{{A}_{2}}+{{B}_{2}}\to 2AB\] follows the mechanism as given below, \[{{A}_{2}}\rightleftharpoons A+A(fast)\] \[A+{{B}_{2}}\xrightarrow{{}}AB+B(slow)\] \[A+B\xrightarrow{{}}AB(fast)\] The order of the overall reaction is

    A) \[2\]

    B) \[1\]

    C) \[1\frac{1}{2}\]

    D) \[0\]

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  • question_answer60) The mass of helium atom of mass number 4 is 4.0026 amu, while that of the neutron and proton are 1.0087 and 1.0078 respectively on the same scale. Hence, the nuclear binding energy per nucleon in the helium atom is nearly

    A) \[5MeV\]

    B) \[7MeV\]

    C) \[10MeV\]

    D) \[14MeV\]

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  • question_answer61) Which of the following statements is correct? Dielectric constant of

    A) increases with dilution

    B) decreases with dilution

    C) is unaffected on dilution

    D) None of the above

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  • question_answer62) For the square planar complex [M] (where, M = central metal and a, b, c and d are mono dentate ligands), the number of possible geometrical isomers are

    A) 1

    B) 2

    C) 3

    D) 4

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  • question_answer63) Potash alum dissolves in water to give a/an

    A) acidic solution of \[{{H}_{2}}S{{O}_{4}}\]

    B) alkaline solution

    C) acidic solution of \[HCl\]

    D) neutral solution

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  • question_answer64) The discovery of which of the following group of elements gave death blow to the Newlands law of octaves?

    A) Inert gases

    B) Alkaline earths

    C) Rare earths

    D) Actinides

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  • question_answer65) Vant Hoff factor more than unity indicates that the solute in solution has

    A) dissociated

    B) associated

    C) Both (a) and (b)

    D) cannot say anything

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  • question_answer66) How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

    A) 8

    B) 6

    C) 4

    D) 9

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  • question_answer67) Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due to

    A) co-agulation of negatively charged blood particles by \[F{{e}^{3+}}\] ions

    B) co-agulation of positively charged blood particles by \[C{{l}^{-}}\] ions

    C) reaction taking place between ferric ions and the haemoglobin forming a complex

    D) common element, iron, in both \[FeC{{l}_{3}}\] and haemoglobin.

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  • question_answer68) Which one of the following solutions will have highest conductivity?

    A) \[0.1M\,C{{H}_{3}}COOH\]

    B) \[0.1M\,NaCl\]

    C) \[0.1M\,KN{{O}_{3}}\]

    D) \[0.1M\,HCl\]

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  • question_answer69) One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is

    A) iron

    B) nickel

    C) cobalt

    D) tungsten

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  • question_answer70) If \[N{{a}^{+}}ion\] is larger than \[M{{g}^{2+}}\] ion and \[{{S}^{2-}}\]ion is larger than CF ion, which of the following will be stable soluble in water?

    A) Sodium chloride

    B) Sodium sulphide

    C) Magnesium chloride

    D) Magnesium sulphide

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  • question_answer71) Impurities of Cu and Ag from gold are removed by

    A) boiling impure gold with dil. \[{{H}_{2}}S{{O}_{4}}\]

    B) boiling impure gold with cone. \[{{H}_{2}}S{{O}_{4}}\]

    C) electrolytically

    D) Both (a) and (b)

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  • question_answer72) Which of the following salt would give \[S{{O}_{2}}\] with hot and dil. \[{{H}_{2}}S{{O}_{4}}\] and also decolourises \[B{{r}_{2}}\] water?

    A) \[N{{a}_{2}}S{{O}_{3}}\]

    B) \[NaHS{{O}_{4}}\]

    C) \[N{{a}_{2}}S{{O}_{4}}\]

    D) \[N{{a}_{2}}S\]

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  • question_answer73) If two compounds have the same empirical formula but different molecular formulae, they must have

    A) different percentage composition

    B) different molecular weights

    C) same viscocity

    D) same vapour density

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  • question_answer74) Among the following which one has weakest carbon-halogen bond?

    A) Benzyl bromide

    B) Bromobenzene

    C) Vinyl bromide

    D) Benzyl chloride

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  • question_answer75) Petrochemicals can be used to prepare

    A) synthetic fibres

    B) pesticides

    C) plastics

    D) all of these

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  • question_answer76) tert-butyl methyl ether on heating with anhydrous HI in ether gives

    A) \[C{{H}_{3}}OH+{{(C{{H}_{3}})}_{3}}Cl\]

    B) \[C{{H}_{3}}I+{{(C{{H}_{3}})}_{3}}COH\]

    C) \[C{{H}_{3}}I+{{(C{{H}_{3}})}_{3}}Cl\]

    D) None of the above

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  • question_answer77) The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures

    A) two

    B) three

    C) four

    D) five

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  • question_answer78) What happens if \[CC{{l}_{4}}\] is treated with \[AgN{{O}_{3}}\]?

    A) A white ppt. of \[AgCl\] will form

    B) \[N{{O}_{2}}\] will be evolved

    C) \[CC{{l}_{4}}\] will dissolve in \[AgN{{O}_{3}}\]

    D) Nothing will happen

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  • question_answer79) \[^{23}Na\] is more stable isotope of Na. Find out the process by which \[_{11}^{24}Na\] can undergo radioactive decay

    A) \[{{\beta }^{-}}\] emission

    B) \[\alpha \] -emission

    C) \[{{\beta }^{+}}\] emission

    D) K electron capture

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  • question_answer80) The heat of combustion of solid benzoic acid at constant volume is \[-321.30kJ\] at \[{{27}^{o}}C\]. The heat of combustion at constant pressure is

    A) \[-321.30-300R\]

    B) \[-321.30+300R\]

    C) \[-321.30-150R\]

    D) \[-321.30-900R\]

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  • question_answer81) In which of the following compounds -OH group is least reactive?




    D) All are equally reactive.

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  • question_answer82) lodoform is obtained when ethanol is heated with

    A) \[KI\]and aq \[KOH\]

    B) \[{{I}_{2}}\] and aq \[KOH\]

    C) \[{{I}_{2}}\]/ aq \[KI\]

    D) \[HI\] and \[HI{{O}_{3}}\]

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  • question_answer83) The total number of acylic isomers including the stereoisomers (geometrical and optical), with the molecular formula \[{{C}_{4}}{{H}_{7}}Cl\] is

    A) 12

    B) 11

    C) 10

    D) 9

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  • question_answer84) The alkyl halides that can be made by free radical halogenation of alkanes are

    A) RCl, and RBr but not RF or RI

    B) RF. RCl and RBr but not RI

    C) RF, RCl, RBr, RI

    D) RF, RCl and RI but RBr

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  • question_answer85) Silica is a/an

    A) acidic flux only

    B) gangue only

    C) basic flux only

    D) both gangue and acidic flux

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  • question_answer86) The nodes present in 3p-orbitals are

    A) one spherical, one planar

    B) two spherical

    C) two planar

    D) one planar

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  • question_answer87) The number of a-and p-particles emitted in nuclear reaction \[_{90}T{{h}^{228}}{{\xrightarrow{{}}}_{83}}B{{i}^{212}}\] are respectively

    A) 4, 1

    B) 3, 7

    C) 8, 1

    D) 4, 7

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  • question_answer88) Two bottles A and B contains 1 M and 1 m aqueous solution of sulphuric acid respectively

    A) A is more concentrated than B

    B) B is more concentrated than A

    C) concentration of A is equal to concentration of B

    D) it is not possible to compare the concentrations

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  • question_answer89) A salt on treatment with dil. \[HCl\] gives a pungent smelling gas and a yellow precipitate. The sak gives green flame test and a yellow precipitate with potassium chromate the salt is

    A) \[NiS{{O}_{4}}\]

    B) \[Ba{{S}_{2}}{{O}_{3}}\]

    C) \[Pb{{S}_{2}}{{O}_{3}}\]

    D) \[CuS{{O}_{4}}\]

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  • question_answer90) Which of the oxide of manganese is 1 amphoteric?

    A) \[Mn{{O}_{2}}\]

    B) \[M{{n}_{2}}{{O}_{3}}\]

    C) \[M{{n}_{2}}{{O}_{7}}\]

    D) \[MnO\]

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  • question_answer91) Which of the following alkenes is most reactive , towards cationic polymerization?

    A) \[C{{H}_{2}}=CHC{{H}_{3}}\]

    B) \[C{{H}_{2}}=CH-C{{H}_{2}}OH\]

    C) \[C{{H}_{3}}-CO-C{{H}_{3}}\]

    D) \[C{{H}_{2}}=CH-O-C{{H}_{3}}\]

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  • question_answer92) An organic compound, \[{{C}_{3}}{{H}_{6}}O\] does not give a precipitate with 2, 4-dinitrophenyl hydrazine reagent and does not react with metallic sodium, It could be

    A) \[C{{H}_{3}}-C{{H}_{2}}-CHO\]

    B) \[C{{H}_{2}}=CH-C{{H}_{2}}OH\]

    C) \[C{{H}_{3}}-CO-C{{H}_{3}}\]

    D) \[C{{H}_{2}}=CH-O-C{{H}_{3}}\]

    View Answer play_arrow
  • question_answer93) Oxidation of 1-butene with hot \[KMn{{O}_{4}}\] solution produces

    A) \[C{{H}_{3}}C{{H}_{2}}COOH+HCOOH\]

    B) \[C{{H}_{3}}C{{H}_{2}}COOH+C{{O}_{2}}\]

    C) \[C{{H}_{3}}COOH+C{{O}_{2}}\]

    D) \[{{(C{{H}_{3}})}_{2}}C=O+C{{O}_{2}}\]

    View Answer play_arrow
  • question_answer94) A mixture of 1-chlorobutane and 2-chloro- butane when treated with alcoholic \[KOH\] gives

    A) 1-butene

    B) 2-butene

    C) isobutylene

    D) mixture of 1-butene + 2-butene

    View Answer play_arrow
  • question_answer95) Out of the two compounds shown below, the vapour pressure of B at a particular temperature is expected to be and

    A) higher than that of A

    B) lower than that of B

    C) same as that of A

    D) can be higher or lower depending upon the size of the vessel.

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  • question_answer96) Roasted tin stone ore after washing with water is known as

    A) block tin

    B) white tin

    C) black tin

    D) granulated tin

    View Answer play_arrow
  • question_answer97) Which of the following has strongest hydrogen bonding ?

    A) Ethylamine

    B) Ammonia

    C) Ethyl alcohol

    D) Diethyl ether

    View Answer play_arrow
  • question_answer98) Consider the following statements The race law for the acid catalysed hydrolysis of an ester being given as \[Rate=k[{{H}^{+}}][ester]=k[ester]\]. If the acid concentration is doubled at constant ester concentration 1. The second order rate constant, k is doubled. 2. The pseudo first order rate constant, k is doubled. 3. The rate of the reaction is doubled Which of the above statements are correct?

    A) 1 and 2

    B) 2 and 3

    C) 1 and 3

    D) 1, 2 and 3

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  • question_answer99) A fibrous mineral which can withstand red hot flames without any damage is

    A) talc

    B) glass wool

    C) soap stone

    D) asbestos

    View Answer play_arrow
  • question_answer100) When \[{{o}^{-}}\] or p-phenolsulphonic acid is treated with bromine water, the product formed is

    A) 2, 4-dibromophenol

    B) 2, 4, 6-tribromophenol

    C) 3-bromophenol boric acid

    D) 3, 5-dibromophenol

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  • question_answer101) The book Genera plantarum was written by

    A) Bessey

    B) Hutchinson

    C) Engler and Pranti

    D) Bentham and Hooker

    View Answer play_arrow
  • question_answer102) Which of the following is not a true fish?

    A) Dogfish

    B) Devilfish

    C) Catfish

    D) Sawfish

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  • question_answer103) During mitosis, the number of chromosomes get

    A) change

    B) no change

    C) may be change if cell is mature

    D) may be change if cell is immature

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  • question_answer104) During transcription, the DNA site at which RNA polymerase binds is called:

    A) promoter

    B) regulator

    C) receptor

    D) enhancer

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  • question_answer105) Bacteria do not possess

    A) capsule

    B) ribosome

    C) mitochondria

    D) plasma membrane

    View Answer play_arrow
  • question_answer106) Thermal cycler is used in this reaction

    A) radioactivity

    B) enzyme catalysed

    C) chemical reactions

    D) PCR

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  • question_answer107) Sporozoite, infectious stage of Plasmodium parasite contains

    A) two nucleus and a vacuole

    B) one nucleus and several vacuoles

    C) vacuoles and chloroplasts

    D) a nucleus

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  • question_answer108) The shape of chromosome is determined by

    A) centrosome

    B) centromere

    C) chromomere

    D) telomere

    View Answer play_arrow
  • question_answer109) Heteroneries stage is

    A) transformation of sexual individual into asexual

    B) sexually matured with two regions atoke and epitoke

    C) sexually immatured with two regions etoke

    D) and epitoke

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  • question_answer110) All of the above In Funaria, calypu-a is derived from

    A) capsule

    B) columella

    C) antheridium

    D) archegonium

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  • question_answer111) Biologically most resistant plant material is

    A) lignin

    B) curin

    C) suberin

    D) sporopollenin

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  • question_answer112) Which of the following techniques other than microscopy is used for the study of cell?

    A) Plasmolysis

    B) Maceration

    C) Chromatography

    D) Auto-radiography

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  • question_answer113) Earthworms have no special sense organs. Sdll they are sensitive to

    A) touch and sound

    B) light and sound

    C) touch, taste and sound

    D) touch, taste and light

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  • question_answer114) What will be the gametic chromosome number in a cell, if somatic cells have 40 chromosomes?

    A) 10

    B) 20

    C) 30

    D) 40

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  • question_answer115) The ATP production in photosynthesis is called

    A) phototropism

    B) phosphorylation

    C) photooxidation

    D) photophosphorylation

    View Answer play_arrow
  • question_answer116) Duramen of heart wood is

    A) region of pericycle

    B) another name of cambium

    C) inner region of secondary wood

    D) outer region of secondary wood

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  • question_answer117) The term heterosis was first used by

    A) Shull

    B) NE Borlaug

    C) MS Swaminachan

    D) R Mishra

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  • question_answer118) The larva of Bombyx mori is

    A) cocoon

    B) nymph

    C) caterpillar

    D) trochophore

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  • question_answer119) Gemmule formation in sponges is helpful in

    A) sexual reproduction

    B) asexual reproduction

    C) only dissemination

    D) None of the above

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  • question_answer120) Organs not similar in structure and origin but perform the same function

    A) homologous structures

    B) analogous structures

    C) adaptive structures

    D) variable structures

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  • question_answer121) In Dryopteris, the opening mechanism of sporangium is effectively operated by

    A) stalk

    B) annulus

    C) stomium

    D) peristome

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  • question_answer122) Tunica corpus theory is used for

    A) shoot apex

    B) root apex

    C) leaf apex

    D) Both (a) and (b)

    View Answer play_arrow
  • question_answer123) The part of earth and atmosphere supporting life is

    A) biota

    B) biome

    C) ecotone

    D) biosphere

    View Answer play_arrow
  • question_answer124) Lenticels and hydathodes are small pores with which of the following common attributes?

    A) They allow exchange of gases

    B) Their opening and closing is not regulated

    C) They always remain closed

    D) They are found on the same organ of plants

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  • question_answer125) Chloragogen cells of earthworms are analogous to vertebrate

    A) lungs

    B) liver

    C) gut

    D) kidney

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  • question_answer126) Change in one base in mRNA leading to termination of polypeptide is known as which type of mutations ?

    A) Sense

    B) None-sense

    C) Gibberish

    D) Framshift

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  • question_answer127) Taenia solium derives its energy from the breakdown of

    A) nucleic acids

    B) amino acids

    C) glycogen

    D) glycerol

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  • question_answer128) Which of the following hormone is produced during leaf fall ?

    A) ABA

    B) Cytokinin

    C) Florigen

    D) Vemalin

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  • question_answer129) Which fish selectively feed on larva of mosquito?

    A) Gambusia

    B) Rohu

    C) Glorias

    D) Exocoetus

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  • question_answer130) Lomentum is a term used to describe a kind of

    A) fruit

    B) seed

    C) inflorescence

    D) outgrowth from seed

    View Answer play_arrow
  • question_answer131) House-fly possesses

    A) two pairs of wings

    B) one pair of wings

    C) three pairs of wings

    D) None of the above

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  • question_answer132) Sunken stomata are found in

    A) Nerium

    B) Hydrilla

    C) mango

    D) None of these

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  • question_answer133) Which fish has an electric organ?

    A) Torpedo

    B) Rhinoceros

    C) Scoiiodon

    D) Cat fish

    View Answer play_arrow
  • question_answer134) Three most abundant elements in protoplasm are

    A) carbon, sodium and hydrogen

    B) carbon, hydrogen and \[{{O}_{2}}\]

    C) nitrogen, carbon and \[{{O}_{2}}\]

    D) carbon, phosphorus and oxygen

    View Answer play_arrow
  • question_answer135) Genetically engineered bacteria is used for the production of

    A) thyroxin

    B) human insulin

    C) epinephrine

    D) cortisol

    View Answer play_arrow
  • question_answer136) Inulin is a

    A) lipid

    B) protein

    C) human insulin

    D) polysaccharide

    View Answer play_arrow
  • question_answer137) Jumping genes in maize were discovered by

    A) Hugo de Vries

    B) TH Morgan

    C) Barbara McClintock

    D) Mendel

    View Answer play_arrow
  • question_answer138) Which of the following is not a pentose sugar?

    A) arabinose

    B) xylose

    C) xylulose

    D) mannose

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  • question_answer139) Nucleolus is the site for the synthesis of

    A) DNA

    B) m RNA

    C) t RNA

    D) ribosomes

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  • question_answer140) Which of the following statement is not true?

    A) Animal cells never contain chloroplast unlike many plant cells

    B) Animal cells contain ultrascopic chloroplast while plant ceils contain microscopic chloroplast

    C) Plant cells have cellulosic cell wall while animal cells do not

    D) Plant cells have central vacuoles while animal-cells do not

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  • question_answer141) Which of the following factor controls the human population density ?

    A) Industry

    B) Climate

    C) Communication

    D) Natural resources

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  • question_answer142) Chromosomal aberration is due to

    A) aneuploidy

    B) polyploidy

    C) physical effects

    D) All of these

    View Answer play_arrow
  • question_answer143) What used to described as Nisei granules in a nerve cell are now identified as

    A) cell metabolites

    B) fat granules

    C) ribosomes

    D) mitochondria

    View Answer play_arrow
  • question_answer144) Ageing of an animal body is associated with deterioration in its

    A) connective tissue

    B) glandular tissue

    C) epithelial tissue

    D) Both (a) and (b)

    View Answer play_arrow
  • question_answer145) Photochemical smog always contains

    A) \[{{O}_{3}}\]

    B) \[C{{H}_{4}}\]

    C) \[CO\]

    D) \[P{{O}_{4}}\]

    View Answer play_arrow
  • question_answer146) The posterior end of Ancylostoma has

    A) anus

    B) curved tail

    C) bursa

    D) caudal spine

    View Answer play_arrow
  • question_answer147) Quantasomes are found in

    A) mitochondria

    B) chloroplast

    C) lysosome

    D) endoplasmic reticulum

    View Answer play_arrow
  • question_answer148) In Ptinus, male cone bears a large number of

    A) ligules

    B) anthers

    C) microsporophylls

    D) megasporophyus

    View Answer play_arrow
  • question_answer149) Hydroponics is a

    A) airless culture

    B) waterless culture

    C) soilless culture

    D) None of these

    View Answer play_arrow
  • question_answer150) Lysosomes are formed by

    A) endoptasmic reticulum

    B) mitocliondrion

    C) Golgi membrane

    D) Both (a) and (b)

    View Answer play_arrow
  • question_answer151) Nissls granules are characteristic of

    A) muscle tissue

    B) connective tissue

    C) nerve tissue

    D) epithelial tissue

    View Answer play_arrow
  • question_answer152) Gastric vacuoles are analogous to the

    A) peroxisomes

    B) alimentary canal of higher animals

    C) mouth of higher animals

    D) liver of higher animals

    View Answer play_arrow
  • question_answer153) Genetic information is carried by long chain macromolecules made up of

    A) amino acids

    B) nucleotides

    C) chromosomes

    D) enzymes

    View Answer play_arrow
  • question_answer154) Fertilization of ovum in human being occur in

    A) fallopian tube

    B) cervix

    C) fundus

    D) All of these

    View Answer play_arrow
  • question_answer155) Which one are correcrely marched?

    A) Vitamin-E-tocopherol

    B) Vitamin-D-riboflavin

    C) Vitamin-B-calciferol

    D) Vitamin-A-thiamine

    View Answer play_arrow
  • question_answer156) Believers in spontaneous generation theory assumed that

    A) organisms arose only from other similar organisms

    B) organisms could arise only from air

    C) organisms arose-from non-living material

    D) organisms always arise from air

    View Answer play_arrow
  • question_answer157) Half-life period of \[{{C}^{14}}\]is

    A) 500 years

    B) 5000 years

    C) 50 years

    D) \[5\times {{10}^{4}}\]years

    View Answer play_arrow
  • question_answer158) Maximum number of plasmids discovered so far

    A) 50 kilo base

    B) 500 kilo base

    C) 5000 kilo base

    D) 5 kilo base

    View Answer play_arrow
  • question_answer159) The lyric enzymes released by sperm is

    A) acrosome

    B) ligase

    C) androgamone

    D) hyaluronidase

    View Answer play_arrow
  • question_answer160) Transfer of genes from one gene pool to another is called

    A) speciation

    B) genetic drift

    C) gene flow

    D) mutation

    View Answer play_arrow
  • question_answer161) A material which arrests cell division, is obtained from

    A) Crocus

    B) Colchicum

    C) Dalbergia

    D) Chrysanthemum

    View Answer play_arrow
  • question_answer162) Chromosomes in a bacterial cell can be 1-3 in number and

    A) are always circular

    B) are always linear

    C) can be either circular or linear, but never both within the same cell

    D) can be circular as well as linear within the same cell

    View Answer play_arrow
  • question_answer163) Example of an aggregate fruit is

    A) Pyrus malus

    B) Ananas sativus

    C) Annona squamosal

    D) Artocarpits integrifolia

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  • question_answer164) Identify the edible freshwater teleoscs

    A) sharks

    B) rays and skates

    C) Hifsa hilsa

    D) Catia catia

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  • question_answer165) The blood cell which shows phagocytosis is

    A) monocyte

    B) barsophil

    C) eosinophil

    D) platelets

    View Answer play_arrow
  • question_answer166) In angiosperms, which of the following part is triploid?

    A) Zygote

    B) Endosperm

    C) Archegonia

    D) Coralloid root

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  • question_answer167) Mitochondria are often seen aggregated around

    A) food vacuole

    B) contractile vacuole

    C) water vacuole

    D) All of these

    View Answer play_arrow
  • question_answer168) Addisons disease results from

    A) hypertrophy of gonad

    B) hyposecretion of adrenal cortex

    C) hyperactivity of leydig cells

    D) None of the above

    View Answer play_arrow
  • question_answer169) Main difference between active and passive transport across cell membrane is that

    A) active transport occurs more rapidly than passive

    B) passive transport is non-selective

    C) passive transport is confined to anions and cations

    D) passive transport requires a concentration gradient across the membrane, whereas active transport requires metabolic energy

    View Answer play_arrow
  • question_answer170) Which statement is correct for muscle- contraction?

    A) Length of H zone decreases

    B) Length of A band decreases

    C) Length of I band remain constant

    D) Length of two Z line increases

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  • question_answer171) Aleurone layer helps in

    A) growth

    B) nutrition

    C) protection

    D) water absorption

    View Answer play_arrow
  • question_answer172) Internal cork disease in apple is due to the deficiency of

    A) iron

    B) copper

    C) boron

    D) phosphorus

    View Answer play_arrow
  • question_answer173) When an animal turns sideways to the Sun to get the maximum amount of Sun on its flanks, this is an example of:

    A) motivation

    B) habitation

    C) posture

    D) orientation

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  • question_answer174) The main components of plasma membrane are

    A) lipids and proteins

    B) lipids, proteins and carbohydrates

    C) lipids only

    D) proteins only

    View Answer play_arrow
  • question_answer175) Pollination by insects is called

    A) zoophily

    B) chiropterophily

    C) anemophily

    D) entomophily

    View Answer play_arrow
  • question_answer176) The genetic material in fX174 is

    A) single stranded DNA

    B) single stranded RNA

    C) double stranded DNA

    D) double stranded RNA

    View Answer play_arrow
  • question_answer177) The pH of stomach ranges between

    A) 7.1 to 8.2

    B) 7.6 to 8.6

    C) 1.5 to 2.0

    D) 6.8 to 7.2

    View Answer play_arrow
  • question_answer178) Removal of ring wood of tissue outside the vascular cambium from the tree trunk kills it because

    A) water cannot move up

    B) food does not travel down and roots become starved

    C) shoot become starved

    D) annual ring are not produced

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  • question_answer179) The high amount of E. coil in water is an indicator of

    A) hardness of water

    B) industrial pollution

    C) sewage pollution

    D) presence of chlorine in water

    View Answer play_arrow
  • question_answer180) Which of the following connects glycolysis to Krebs cycle ?

    A) Acetyl Co-A

    B) Ribozyme

    C) Cyrochrome oxidase

    D) N-acetyl glucosamine

    View Answer play_arrow
  • question_answer181) Which of the following theory explain structure of protoplasm?

    A) Surface tension theory

    B) Colloidal theory

    C) Sol-gel theory

    D) Viscosity theory

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  • question_answer182) An insect without metamorphosis is

    A) silver fish

    B) cray fish

    C) bedbug

    D) pediculus

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  • question_answer183) Lichens show

    A) mutualism

    B) commensalism

    C) parasitism

    D) saprophytism

    View Answer play_arrow
  • question_answer184) In which of the following animal anal tail is found?

    A) Earthworm

    B) Lower invertebrates

    C) Scorpion

    D) Snake

    View Answer play_arrow
  • question_answer185) Which of the following statements is true?

    A) All enzymes are proteins

    B) All proteins are enzymes

    C) All enzymes are not proteins

    D) All enzymes and hormones are proteins

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  • question_answer186) This is not the cell of areolar tissue

    A) macrophages

    B) Schwann cell

    C) plasma cell

    D) adipose cell

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  • question_answer187) Anaerobic respiration after glycolysis is called

    A) restoration

    B) fermentation

    C) multiplication

    D) fragmentation

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  • question_answer188) Portuguese man of war is

    A) Obelia

    B) Pennatula

    C) Coral

    D) Physalia

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  • question_answer189) In photosynthesis, photolysis of water is useful for

    A) reduction of NADP

    B) oxidation of NADP

    C) oxidation of FAD

    D) None of the above

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  • question_answer190) Liquid food drinking is

    A) imbibition

    B) pinocytosis

    C) phagocytosis

    D) None of these

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  • question_answer191) Terminating codons are also called

    A) initiating codons

    B) stop signals

    C) central dogma

    D) None of these

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  • question_answer192) A pome fruit is said to be false because

    A) the pericarp is inconspicuous

    B) the endocarp is cartilaginous

    C) fruit is derived from superior ovary

    D) fruit is present in fleshy edible thalamus

    View Answer play_arrow
  • question_answer193) In photosynthesis, the light energy is utilized in

    A) convening ATP into ADP

    B) converting \[C{{H}_{3}}\] into \[{{C}_{2}}{{H}_{5}}OH\]

    C) converting ADP into ATP

    D) converting \[C{{O}_{2}}\] into carbohydrate

    View Answer play_arrow
  • question_answer194) Receptors of sensation produced when a person eats red chillies are located on which part of tongue?

    A) Tip

    B) Base

    C) Side

    D) None of these

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  • question_answer195) In which of the following haemocyanin pigment is found?

    A) Annelida

    B) Echinodennata

    C) Insects

    D) Lower invertebrates

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  • question_answer196) Photosystem-II occurs in

    A) grana

    B) stroma

    C) entire chloroplast

    D) chloroplast membrane

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  • question_answer197) When a cluster of genes show linkage behavior they

    A) do not show a chromosome map

    B) show recombination during meiosis

    C) do not show independent assortment

    D) induce cell division

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  • question_answer198) What is the function of centrosome?

    A) Cell division

    B) Cell plate formation

    C) Cell differentiation

    D) Cell wall formation

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  • question_answer199) Keratinization of the skin is prevented by

    A) vitamin-A

    B) vitamin-B

    C) vitamin-C

    D) vitamin-D

    View Answer play_arrow
  • question_answer200) Christmas disease is another name for

    A) haemophilia-B

    B) hepatitis-B

    C) Downs syndrome

    D) sleeping sickness

    View Answer play_arrow



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