# Solved papers for JIPMER Jipmer Medical Solved Paper-2000

### done Jipmer Medical Solved Paper-2000

• question_answer1) A body of mass 10 kg is lying on a rough plane inclined at an angle of $30{}^\circ$ to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is:

A) 914 N

B) 91.4 N

C) 9.14 N

D) 0.914 N

• question_answer2) Two spheres of radius ${{R}_{1}}$ and ${{R}_{2}}$ respectively are charged and joined by a wire. The ratio of electric field of the spheres is:

A) $\frac{R\,_{2}^{2}}{R\,_{1}^{2}}$

B) $\frac{R\,_{1}^{2}}{R\,_{2}^{2}}$

C) $\frac{R{{\,}_{2}}}{R{{\,}_{1}}}$

D) $\frac{R{{\,}_{1}}}{R{{\,}_{2}}}$

• question_answer3) Monochromatic light is refracted from air into the glass of refractive index$\mu$. The ratio of the wavelength of incident and refracted waves is:

A) 1:1

B) $\mu :1$

C)  1:${{\mu }^{2}}$

D) $1 :\mu$

• question_answer4) A person cannot see objects clearly beyond 2.0 m. The power of lens required to correct his vision will be :

A) $-\,0.5\text{ }D$

B) $+\,1.0\text{ }D$

C) $-\,1.0\,D$

D) $+\,2.0\,D$

• question_answer5) The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon$\text{p-n}$junctions are:

A) drift in both forward and reverse bias

B) diffusion in both forward and reverse bias

C) diffusion in forward bias, drift in reverse bias

D) drift in forward bias diffusion in reverse bias

• question_answer6) If half-life of a radioactive atom is 2.3 days, then its decay constant would be:

A) 0.2

B) 0.1

C) 2.3

D) 0.3

• question_answer7) In Youngs double slit experiment, a mica slit of thickness t and refractive index $\mu$ is introduced in the ray from the first source${{S}_{1.}}$. By how much distance the fringes pattern will be displaced?

A) $\frac{D}{d}(\mu -1)$

B) $\frac{d}{(\mu -1)D}$

C) $\frac{D}{d}(\mu -1)t$

D) $\frac{d}{D}(\mu -1)t$

• question_answer8) A uniform chain of length L and mass M is lying on a smooth table and one-third of its length is hanging vertically down over the edge of the table. If g is the acceleration due to gravity, the work required to pull the hanging part on to the table is:

A) $\frac{MgL}{18}$

B) $\frac{MgL}{9}$

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

D) $MgL$

• question_answer9) A (100 W, 200V) bulb is connected to a to V power supply. The power consumption would be:

A) 80 W

B) 125 W

C) 64 W

D) 100 W

• question_answer10) A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to:

A) ${{t}^{1/2}}$

B) ${{t}^{3/2}}$

C) ${{t}^{2}}$

D) ${{t}^{3/4}}$

• question_answer11) The wavelength of the energy emitted when electron come from fourth orbit to second orbit in hydrogen is $20,397\text{ }c{{m}^{-1}}$. The wavelength of energy for the same transition in He+ is :

A) $81,988c{{m}^{-1}}$

B) $40,994c{{m}^{-1}}$

C) $20,497c{{m}^{-1}}$

D) $5,099\text{ }c{{m}^{-1}}$

• question_answer12) 12. If the binding energy per nucleon in $L{{i}^{7}}$ and $H{{e}^{4}}$ nuclei are respectively 5.60 MeV and 7.06 MeV, then energy of reaction $L{{i}^{7}}+p\xrightarrow{{}}2\,{{\,}_{2}}H{{e}^{4}}$ is:

A) 17.3 MeV

B) 8.4 MeV

C) 2.4 MeV

D) 19.6 MeV

• question_answer13) A convex lens of focal length 0.5 m and concave lens of focal length 1 m are combined. The power of the resulting lens will be:

A) - 1 D

B) 0.5 D

C) 1D

D) - 0.5 D

• question_answer14) Half lives of two radioactive substances A and B are respectively 20 minute and 40 minute. Initially the sample of A and B have equal number of nuclei. After 80 minutes, the ratio remains in number of A and B nuclei is.

A) 4 : 1

B) 1 : 16

C) 1 : 1

D) 1 : 4

• question_answer15) The plates of a parallel plate capacitor of capacity 50$\mu F$ are charged to a potential of 100 volts and then separated from each other so that the distance between them is doubled. How much is the energy spent in doing so?

A) $\text{12}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}$

B) $\text{-25 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}$

C) $\text{-12}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}$

D) $\text{25 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-2}}}\text{J}$

• question_answer16) Two point charges + 3 $\mu C$ and + 8$\mu C$ repel each other with a force of 40 N. If a charge of - 5 $\mu C$ is added to each of them, then the force between them will become:

A) +10 N

B) +20 N

C) -20 N

D) -10 N

• question_answer17) Two waves $y=0.25\text{ }sin\,316t$ and $y=0.25\,\sin 310\,t$ are travelling in same direction. The number of beats produced per second will be :

A) 3

B) 6

C) $3\pi$

D) $3/\pi$

• question_answer18) The intensity of radiation emitted by the sun has its maximum value at a wavelength of 510 nm and that emitted by the North Star has the maximum value at 350 nm. If these stars behave like black bodies, then the ratio of the surface temperature of the sun and north star is:

A) 0.83

B) 1.21

C) 0.69

D) 1.46

• question_answer19) The unit of luminous efficiency of electric bulb is:

A) lumen

B) watt

C) lux

D) lumen/watt

• question_answer20) An electron having charge $1.6\times {{10}^{-19}}$ and mass $9\times {{10}^{-31}}kg$ is moving with $4\times {{10}^{6}}m{{s}^{-1}}$ speed in a magnetic field $2\times {{10}^{-1}}$ tesla in a circular orbit. The force acting on electron and the radius of the circular orbit will be:

A) $1.28\times {{10}^{-13}}N,\text{ }1.1\times {{10}^{-4}}m$

B) $1.28\times {{10}^{-13~~}}N,\text{ }1.1\text{ }{{10}^{-3}}m$

C) $1.28\times {{10}^{-14~}}N,\text{ }1.1\times {{10}^{-3}}m$

D) $12.8\times {{10}^{-13~}}N,\text{ }1.1\times {{10}^{-4}}m$

• question_answer21) An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eyepiece is 36 cm and final image is formed at infinity. The focal lengths of the objective and eyepiece are respectively:

A) 20 cm, 16 cm

B) 50 cm, 10 cm

C) 30 cm, 6 cm

D) 45 cm, - 9 cm

• question_answer22) The nucleus $_{\text{48}}^{\text{115}}\text{Cd}$ after two successive$\text{-}$decays will give:

A) $_{\text{50}}^{\text{115}}\text{Sn}$

B) $_{\text{50}}^{\text{113}}\text{Sn}$

C) $_{49}^{\text{114}}\text{ln}$

D) $_{46}^{\text{115}}\text{Pa}$

• question_answer23) The refractive index of water with respect to air is 4/3 and the refractive index of glass with respect to air is 3/2. The refractive index of water with respect to glass is:

A) 8/9

B) 9/8

C) 2

D) 1/2

• question_answer24) For the structural analysis of crystals, X-rays are used because:

A) X-rays are highly penetrating radiations

B) wavelength of X-rays is of the order of nuclear size

C) X-rays have wavelength of the order of interatomic spacing

• question_answer25) 110 J of heat are added to a gaseous system whose internal energy is 40 J, then the amount of external work done is:

A) 40 J

B) 110 J

C) 70 J

D) 150 J

• question_answer26) Two trains, each 50 m long are travelling in opposite direction with velocity 10 m/s and 15 m/s. The time of crossing is:

A) $\frac{10}{3}s$

B) $2\,s$

C) $2\sqrt{3}\,s$

D) $2\sqrt{3}\,s$

• question_answer27) If mass of body is M on the earths surface, then the mass of the same body on the moons surface is:

A) zero

B) M/6

C) M

D) none of these

• question_answer28) A spherical source of power 4 W and frequency 800 Hz is emitting sound waves. The intensity of waves at a distance 200 m is:

A) $\text{2 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}$

B) $\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{W/}{{\text{m}}^{\text{2}}}$

C) $\text{4W/}{{\text{m}}^{\text{2}}}$

D) $\text{1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}$

• question_answer29) A body of mass 2 kg is moving with velocity 10 m/s towards east. Another body of same mass and same velocity moving towards north collides with former and coalesces and moves towards North-East. Its velocity is :

A) 5 m/s

B) 2.5 m/s

C) 10 m/s

D) 5$\sqrt{2}$ m/s

• question_answer30) A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards:

A) 0.01 m/s

B) 1 m/s

C) 10 m/s

D) 0.1 m/s

• question_answer31) Which of the following formula is wrong?

A) ${{\text{C}}_{\text{P}}}\text{-}\,{{\text{C}}_{}}\text{=}\,\text{2}\,\text{R}$

B) $\frac{{{\text{C}}_{\text{P}}}}{{{\text{C}}_{}}}\text{=}\,$

C) ${{C}_{\upsilon }}=\frac{R}{-1}$

D) ${{C}_{\upsilon }}=\frac{R}{-1}$

• question_answer32) The mass of the earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape velocity on the surface of earth to that on the surface of moon will be :

A) 0.39

B) 4.81

C) 2.57

D) 0.2

• question_answer33) When the displacement is half the amplitude the ratio of potential energy to the total energy is:

A) 1/4

B) 1/2

C) 1/8

D) 1

• question_answer34) The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volt AC is applied to the primary, the output from the secondary will be:

A) 6V

B) 12V

C) 24V

D) 48V

• question_answer35) If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of:

A) 6

B) 3

C) 9

D) $\sqrt{3}$

• question_answer36) Four condensers are connected as shown in the given figure, the capacity of each is 8$\mu F$. The capacity between points X and Y will be:

A) $16\mu F$

B) $64\mu F$

C) $2\mu F$

D) $32\mu F$

• question_answer37) The bob of a simple pendulum of mass and total energy ${{\text{E}}_{\text{k}}}$ will have maximum linear momentum equal to:

A) $\text{ME}_{k}^{2}$

B) $\text{2mE}_{k}^{{}}$

C) $\sqrt{\frac{\text{2E}_{k}^{{}}}{m}}$

D) $\sqrt{\text{2mE}_{k}^{{}}}$

• question_answer38) Light of wavelength of $6000\overset{\text{o}}{\mathop{\text{A}}}\,$ has a frequency of:

A)  $5\times {{10}^{14}}Hz$

B) $5\times {{10}^{12}}Hz$

C) $5\times {{10}^{15}}Hz$

D) $5\times {{10}^{6}}Hz$

• question_answer39) You are provided three bulbs of 15, 40 and 60 watt. Which of them has lowest resistance:

A) 40 watt bulb

B) 60 watt bulb

C) 25 watt bulb

D) Information is insufficient

• question_answer40) Heat produced in a wire of resistance R due to current flowing at constant potential difference, is proportional to :

A) $\frac{1}{{{R}^{2}}}$

B) $\frac{1}{R}$

C) $R$

D) ${{R}^{2}}$

• question_answer41) Standing waves arc educed in a 10 m long stretched string. If the string vibrates in 5 segments and the wave velocity is 20 m/s, the frequency is:

A) 10 Hz

B) 5 Hz

C) 4 Hz

D) 2 Hz

• question_answer42) A sample of gas expands from volume ${{V}_{1}}$ to ${{V}_{2}}$ The amount of work done by the gas is greatest when the expansion is:

A) isobaric

B) isothermal

D) equal in all cases

• question_answer43) A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vaccum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble is :

A) 4.5cm,

B) 2.3cm

C) 7 cm

D) 5 cm

• question_answer44) A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity of 10 rad/s. What is its linear velocity at any point on circular path?

A) 2 m/s

B) 10 m/s

C) 20 m/s

D) $\sqrt{2}$m/s

• question_answer45) A car of mass m is driven with acceleration a along a straight level road against a constant external resistive force R. When the velocity of the car is v, the rate at which the engine of the car is doing work, will be:

A) $(ma-R)\upsilon$

B) $(R+ma)\upsilon$

C) $ma\upsilon$

D) $R\upsilon$

• question_answer46) When light of wavelength 300 nm falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however light of 600 nm wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters:

A) 1 : 4

B) 4 : 1

C) 2 : 1

D) 1 : 2

• question_answer47) A spring 40 mm long is stretched by the application of a force. If 10 N force is required to stretch the spring through 1 mm, then work done in stretching the spring through 40 mm is:

A) 8 J

B) 23 J

C) 68 J

D) 84 J

• question_answer48) A spring of force constant k is cut into three equal parts and then they are suspended from the same point. The force constant of the system is:

A) k

B) 3k

C) 9k

D) $\frac{k}{9}$

• question_answer49) The accelerating voltage of an electron is increased to two times, its de Broglie wavelength will be:

A) increase 2 times

B) decrease 0.5 times

C) increase 1.4 times

D) decrease 0.7 times

• question_answer50) The capacitance of a metallic sphere will be $1\mu F,$ if it radius is nearly:

A) 9 km

B) 10 m

C) 1.11 m

D) 1.11 cm

• question_answer51) The interference phenomenon can take place:

A) in longitudinal waves

B) in standing waves only

C) interference waves

D) in all waves

• question_answer52) The energy of a photon of light of wavelength 450 nm is:

A) $2.5\times {{10}^{-17}}J$

B) $1.25\,\times {{10}^{-17}}J$

C) $2.5\times {{10}^{-19}}J$

D) $4.4\times {{10}^{-19}}J$

• question_answer53) Moment of inertia of a ring of mass m = 3 gm and radius r = 1 cm about an axis passing through its edge and parallel to its natural axis is:

A) $1\text{ }gm\text{ }c{{m}^{2}}$

B) $6\text{ }gm\text{ }c{{m}^{2}}$

C) $100\text{ }gm\text{ }c{{m}^{2}}$

D) $10\text{ }gm\text{ }c{{m}^{2}}$

• question_answer54) A bullet of mass 0.1 kg is fired with a speed of 100 m/sec, the mass of gun is 50 kg. The velocity of recoil is :

A) 0.05 m/sec

B) 0.5 m/sec

C) 0.1 m/sec

D) 0.2 m/sec

• question_answer55) At constant volume, temperature is increased. Then:

A) collisions will be in straight lines

B) collisions on walls will be less

C) number of collisions per unit time will increase

D) collisions will not change

• question_answer56) Which one of the following can detect infrared radiation :

A) ordinary photographic plate

B) fluorescence screen

C) LCR circuit

D) thermopile

• question_answer57) The minimum thickness of air film which appears dark when viewed under 500 nm light normally is:

A) 1000 nm

B) 500 nm

C) 750 nm

D) 250 nm

• question_answer58) The number of lines of force coming out but from + 1 coulomb is :

A) 1

B) $1.11\times {{10}^{-10}}$

C) $1.12\times {{10}^{4}}$

D) $1.1\times {{10}^{19}}$

• question_answer59) For a transistor $\,\text{=}\,\text{62,}$${{R}_{L}}\,\text{=}\,5000\,\Omega \text{,}$${{R}_{i}}\,\text{=}\,500\,\Omega .$ Voltage amplification is:

A) 260

B) 620

C) 2.6

D) 6.2

• question_answer60) A refrigerator has a coefficient of performance is 9. If the surrounding temperature is $27{}^\circ C$. The minimum temperature it can cool a body inside is (in${}^\circ C$):

A) 3

B) zero

C) 10

D) -3

• question_answer61) Although CO is neutral gas, yet it shows acidic nature or reaction with: (at high pressure and temperature)

A) $LiOH$

B) $Ca{{(OH)}_{2}}$

C) $NaOH$

D) $Zn{{(OH)}_{2}}$

• question_answer62) Which of the following has maximum hydration energy?

A) $N{{a}^{+}}$

B) $L{{i}^{+}}$

C) $M{{g}^{2+}}$

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

• question_answer63) Which species does not exist?

A) ${{(SiC{{l}_{6}})}^{2-}}$

B) $CCl_{6}^{2-}$

C) $GeCl_{6}^{2-}$

D) $AlCl_{4}^{-}$

• question_answer64) What is the weight of 1 mole atoms of Ag?

A) 10.79

B) 107.9

C) 108.9

D) none of these

• question_answer65) When ${{H}_{2}}S$ reacts with halogens, the halogens:

A) form sulphur halides

B) are oxidised

C) are reduced

D) none of the above

• question_answer66) $Pb{{O}_{2}}$ is:

A) basic

B) acidic

C) neutral

D) amphoteric

• question_answer67) Nitrogen combines with hot magnesium wire to form:

A) magnesium nitrate

B) magnesium nitride

C) magnesium oxide

D) nitrosyl chloride

A) lead reacts with air to form litharge

B) lead reacts with water containing air to form $Pb{{(OH)}_{2}}$

C) a layer of lead dioxide is deposited over pipes

• question_answer69) Which of the following is not oxidised by$KMnO_{4}^{-}$?

A) $C{{l}^{-}}$

B) ${{I}^{-}}$

C) $B{{r}^{-}}$

D) ${{F}^{-}}$

• question_answer70) The chief component of cement is:

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

B) $CaO$

C) $A{{l}_{2}}{{O}_{3}}$

D) none of these

• question_answer71) Which metal displace hydrogen from acids?

A) $Hg$

B) $Ca$

C) $Zn$

D) $Al$

• question_answer72) The ionic carbide is:

A) $ZnC$

B) $SiC$

C) $Ca{{C}_{2}}$

D) $TiC$

• question_answer73) The most dangerous reaction of an acid is with the metal:

A) $Al$

B) $K$

C) $Fe$

D) $Zn$

• question_answer74) In which of the following compounds, the central atom has not completed octet?

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

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

C) $NaCl$

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

• question_answer75) Which set has the same number of unpaired electrons in their ground state?

A) $C{{l}^{-}},F{{e}^{3+}},C{{r}^{3+}}$

B) $N{{a}^{+}},M{{g}^{2+}},Al$

C) $Na,P,Cl$

D) $N,P,V$

• question_answer76) Uranium ${}_{92}{{U}^{238}}$decays into a stable isotope of:

A) $Np$

B) $Pb$

C) $Rn$

D) $Ra$

B) Wilson

C) Rutherford

D) Soddy

• question_answer78) The de-Broglie wavelength associated with a material particle is:

A) directly proportional to its energy

B) directly proportional to momentum

C) inversely proportional to its energy

D) inversely proportional to momentum

• question_answer79) V versus T curves, at constant pressure ${{P}_{1}}$ and ${{P}_{2}}$ for an ideal gas are shown in figure. Which statement is correct?

A) ${{P}_{1}}<{{P}_{2}}$

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

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

D) all of the above are correct

• question_answer80) As a result of osmosis, the volume of concentrate solution:

A) increases

B) decreases

C) remains constant

D) first increase and then decrease

• question_answer81) The pH of a 0.01 M solution of a weak acid having degree of dissociation 12.5% is:

A) 5.623

B) 2.903

C) 4.509

D) 3.723

• question_answer82) Which of the following is a Buffer solution?

A) $NaOH+NaCl$

B) $KOH+KN{{O}_{3}}$

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

D) all of the above

• question_answer83) Equilibrium concentration of $HI,\,\,{{I}_{2}}$ and ${{H}_{2}}$are 0.7, 0.1 and 0.1 M respectively. The value of equilibrium constant for the reaction, ${{H}_{2}}+{{I}_{2}}\rightleftharpoons 2HI$ is:

A) 36

B) 49

C) 0.49

D) 0.36

• question_answer84) The activation energy for a reaction is 9.0 kcal/mol. The increase in the rate constant when its temperature is increased from 298 K to 308 K is:

A) 63%

B) 50%

C) 100%

D) 10%

• question_answer85) The ratio of energy of photon of $3000\,\overset{\text{o}}{\mathop{\text{A}}}\,$ and $6000\,\overset{\text{o}}{\mathop{\text{A}}}\,$ wavelength radiation is:

A) 2

B) 1/2

C) 4

D) 1/4

• question_answer86) According to Le Chateliers principle, an increasing temperature of an endothermic reaction at equilibrium, what will happen?

A) Heat will evolve

B) Reaction will proceed backward

C) Reaction will proceed forward

D) None of the above

• question_answer87) Heat of neutralisation of the acid-base reaction is 57.32 kJ for:

A) $HN{{O}_{3}}+LiOH$

B) $HCOOH+KOH$

C) $HCl+N{{H}_{4}}OH$

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

• question_answer88) Joule Thomson expansion is:

A) isobaric

B) isothermal

C) iso-enthalpic

D) iso-entropic

• question_answer89) The co-ordination number of bcc crystal is:

A) 8

B) 6

C) 4

D) 2

• question_answer90) What is the pH for a neutral solution at the body temperature$\left( 38{}^\circ C \right)$?

A) 7.2

B) 14.0

C) 6.8

D) 6.0

• question_answer91) For a reversible reaction, ${{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}},$ ${{K}_{c}}$is $2.37\times {{10}^{-3}}.$ If at equilibrium, $[{{N}_{2}}]=2M,\,\,[{{H}_{2}}]=3M,$ the concentration of$N{{H}_{3}}$is:

A) 0.00358 M

B) 0.0358 M

C) 3.58 M

D) 0.358 M

• question_answer92) The volume of a gas is 100 ml at $100{}^\circ C$. If the pressure is kept constant, at what temperature will the gas have a volume of 200ml?

A) $50{}^\circ C$

B) $473{}^\circ C$

C) $446{}^\circ C$

D) $200{}^\circ C$

• question_answer93) Which solution has the maximum pH?

A) $1\,M\text{-}KOH$

B) $10\,M\,{{H}_{2}}S{{O}_{4}}$

C) Chlorine-water

D) Water containing carbon-dioxide

• question_answer94) A reaction of first-order completed 90% in 90 minutes, hence it is completed 50% in approximately:

A) 50 minutes

B) 54 minutes

C) 27 minutes

D) 62 minutes

• question_answer95) Chlorobenzene is prepared commercially by:

A) Raschig process

B) Wurtz-Fittig reaction

C) Friedel-Crafts reaction

D) Grignard reaction

• question_answer96) A mixture of camphor and benzoic acid can be easily separated by:

A) fractional crystallization

B) chemical method

C) extraction with solvent

D) sublimation

• question_answer97) Butyne-1 and butyne-2 can be distinguished by:

A) Benedicts reagent

B) alkaline $KMn{{O}_{4}}$

C) ammonical cuprous chloride

D) bromine water

• question_answer98) Isopropyl alcohol on passing over heated copper at $300{}^\circ C$ gives:

A) acetone

B) acetaldehyde

C) propylene

D) none of these

• question_answer99) Which of the following reacts with $COC{{l}_{2}}$ to give phenyl isocyanate?

A) Chlorobenzene

B) Nitrobenzene

C) Aminophenol

D) Aniline

• question_answer100) ${{o}^{-}},\,{{m}^{-}}$ and p-xylenes, on oxidation with acidic $KMn{{O}_{4}}$ gives:

A) terphthalic acid

B) phthalic acid

C) isophthalic acid

D) all of these

• question_answer101) In the case of homologous series of alkanes, which one of the following statements is incorrect?

A) The members of the series are isomers of each other

B) The members of the series have similar chemical properties

C) The members can be prepared by some common methods

D) The members have the general formula ${{C}_{n}}{{H}_{2n+2}}$

A) substitution reactions

C) both (a) and (b)

D) none of the above

A) $sp$ and $s{{p}^{2}}\text{-}$hybridised C-atoms

B) $sp$ $s{{p}^{2}}$ and $s{{p}^{3}}\text{-}$hybridised C-atoms

C) only $s{{p}^{2}}\text{-}$ hybridised C-atoms

D) only $sp$- hybridised C-atoms

• question_answer104) When HCHO is treated with ${{C}_{6}}{{H}_{5}}CHO$ in presence of KOH, the product are:

A) $HCOONa$ and ${{C}_{6}}{{H}_{5}}C{{H}_{2}}OH$

B) $C{{H}_{3}}OH$and ${{C}_{6}}{{H}_{5}}COONa$

C) $C{{H}_{3}}OH$and ${{C}_{6}}{{H}_{5}}COONa$

D) ${{C}_{6}}{{H}_{5}}C{{H}_{2}}OH$and ${{C}_{6}}{{H}_{5}}COONa$

• question_answer105) Vinyl chloride reacts with $HCl$ to form:

A) 1, 1-dichloro ethane

B) 1, 2-dichloro ethane

C) tetrachloro ethylene

D) mixtures of 1, 2 and 1, 1-dichloro ethane

• question_answer106) What is the end product in the following reaction? ${{C}_{2}}{{H}_{5}}N{{H}_{2}}\xrightarrow{HN{{O}_{2}}}A\xrightarrow{PC{{l}_{5}}}B\xrightarrow{N{{H}_{3}}}C$

A) Methyl amine

B) Acetamide

C) Ethyl cyanide

D) Ethyl amine

• question_answer107) What is obtained, when aniline is sulphonated?

A) Anthranilic acid

B) o-amino benzene sulphonic acid

C) Sulphanilic acid

D) m-amino benzene sulphonic acid

• question_answer108) The product obtained, when benzene reacts with an alkyl chloride $(RCl)$ in presence of anhydrous $AlC{{l}_{3}}$:

A) ${{C}_{6}}{{H}_{5}}AlC{{l}_{3}}$

B) ${{C}_{6}}{{H}_{5}}Cl$

C) no reaction takes place

D) ${{C}_{6}}{{H}_{5}}R$

• question_answer109) $C{{H}_{3}}C{{H}_{2}}COOH\xrightarrow[Fe]{C{{l}_{2}}}X\xrightarrow{alc.\,KOH}Y,$the compound $Y$ is:

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

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

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

D) $C{{H}_{3}}C{{H}_{2}}OH$

A) Addition of HBr to alkene

B) Friedel-Craffs reaction

C) Sandmeyer reaction

D) None of the above

• question_answer111) The correct IUPAC name of $H--\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,--C{{H}_{2}}C{{H}_{2}}COOH$is:

A) 2-carboxy ethanol

B) 4-formyl butanoic acid

C) 3-formyl propanoic acid

D) 3-keto propanoic acid

• question_answer112) An element X, with the electronic configuration $1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}$would be expected to form the chloride with the formula:

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

B) $XC{{l}_{2}}$

C) $XCl$

D) ${{X}_{2}}Cl$

• question_answer113) On heating $NaCl+{{K}_{2}}C{{r}_{2}}{{O}_{7}}+$ cone. ${{H}_{2}}S{{O}_{4}},$ the gas comes out is:

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

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

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

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

• question_answer114) The change in optical rotation with time, of freshly prepared solution of sugar is known as:

A) mutor rotation

B) rotatory motion

C) inversion

D) specific rotation

• question_answer115) Night blindness is caused by the deficiency of:

A) ascorbic acid

B) Calciferol

C) retionol

D) tocopherol

• question_answer116) RNA does not contain:

A) ribose sugar

B) phosphate group

C) pyridine base

D) none of these

• question_answer117) The pH of blood is:

A) $\approx 2$

B) $<7$but $>6$

C) $>7$ but $<8$

D) equal to 7

• question_answer118) The noble metal is:

A) $Na$

B) $Ag$

C) $Hf$

D) $Pt$

• question_answer119) The compound that is not a Lewis acid, is

A) $B{{F}_{3}}$

B) $BaC{{l}_{2}}$

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

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

• question_answer120) The laws of electrolysis, were given by:

A) Nernst

B) M. Berthelot

D) Aristotle

• question_answer121) Hormones of hypothalamus are called:

A) angiotensis

B) trophic hormones

C) growth hormones

D) regulatory hormones

• question_answer122) The phenomenon of fertilization was first perceived by:

A) Hertwig

B) Robert Hooke

C) Leeuwenhoek

D) Weismann

• question_answer123) The mammalian follicle in ovary was first described by:

A) Fabricius

B) Robert Hooke

C) Von Baer

D) de Graaf

• question_answer124) Which one of the following phenomena of hereditary characters was not known to Mendel?

A) Segregation of alleles

C) Dominant and recessive traits

D) Independent assortment

A) the urine turns black

B) the pathway of phenylalanine metaboIism is blocked

C) two genes for the trait are inherited

D) all of the above

• question_answer126) Enzyme necessary for transcription is:

A) Endonuclease

B) RNA polymerase

C) DNA polymerase

D) RNA ase

• question_answer127) Dubois in 1891 found the fossil of Java ape man. It is:

A) Homo sapiens

B) Homo rhodesiensis

C) Pithecanthropus erectus

D) Sinanthropuspe kinensis

• question_answer128) Sesame oil is obtained from the seeds of:

A) Ricinuscommunis

B) Sesamumindicum

C) Carthamustinctorius

D) Brassica campestris

• question_answer129) Seshania rostrata is a bio-fertilizer crop. It contains:

A) root nodules

B) stem nodules

C) both (a) and (b)

D) none of the above

• question_answer130) Cell in the neck of archegonia of Dryopteris are in how many longitudinal orvertical rows?

A) 2

B) 8

C) 4

D) 6

• question_answer131) Which one of the following is a fresh water sponge?

A) Euplectella

B) Spongilla

C) Euspongia

D) Sycon

• question_answer132) Hepatic caecae in cockroach are derived from:

A) crop

B) ileum

C) midgut

D) gizzard

• question_answer133) In 1980, F. Sanger was awarded Nobel prize second time to be shared by Gilbert for their work on:

A) genetic mapping

B) determining the base sequences of DNA of a virus

C) determining the structure of DNA

D) determing amino acid sequence of insulin

• question_answer134) Some of the species of Selaginella perennate by means of:

A) bulbils

B) stem tubers

C) both (a) and (b)

D) none of these

• question_answer135) A sponge differs from all other matazoans in having:

A) nerve cells

B) absence of blood

C) numerous mouthlets and one exit

D) none of these

• question_answer136) What is the name of class to which pearl oyster belongs?

A) Cephalopoda

B) Pelecypoda

C) Gastropoda

D) Scapoda

• question_answer137) Male cockroach can be identified from the female by the presence of

A) anal styles

B) wingless body

C) elongated abdomen

D) long antennae

• question_answer138) The distinguishing feature of all chordates is:

A) a water vascular system

B) an elastic rod (notochord)

C) achitinous exoskeleton

D) a ventrally placed nerve cord

• question_answer139) Which of the birds cannot fly?

A) Strok

B) Emu

C) Duck

D) Peacock

• question_answer140) An obligate parasite is one which:

A) always requires a living host

B) is usually a saprophyte but can become a parasite

C) always requires dead organic matter to survive

D) is usually a parasite but can become a Saprophyte

• question_answer141) Fibrous roots develop in maize from:

A) upper internodes

B) upper nodes

C) lower nodes

D) lower internodes

• question_answer142) A tissue whose living cells form the mechanical tissue of activity growing organs and whose cell walls show cellulosic unlignified thickenings often at the corners of its cells is called:

A) parenchyma

B) chlorenchyman

C) collenchyma

D) sclerenchyma

• question_answer143) Eustele is present in:

A) algae

B) dicots

C) bryophytes

D) pteridophytes

• question_answer144) Which of the following plants keep its stomata open during the night and closed during the day?

A) Hibiscus

B) Cactus

C) Ivy

D) Water lily

• question_answer145) Which of the following is a component of middle lamella in plant cells?

A) Fe

B) K

C) $Ca$

D) Mg

• question_answer146) The source of ${{O}_{2}}$ liberated in photo-synthesis is:

A) carbon dioxide

B) water

C) alcohol

D) none of these

• question_answer147) Vegetables are rich in:

A) carbohydrates and fats

B) fats and vitamins

C) proteins and vitamins

D) minerals and vitamins

• question_answer148) Bacillus Calmette Guerine (BCG) vaccineis anti:

A) tuberculosis

B) polio

C) pneumonia

D) emphysema

• question_answer149) A branch of botany concerned with the classification, nomenclature and identification of plants is:

A) Physiology

B) Morphology

C) Ecology

D) Systematic Botany

A) ketonic group

B) aldehyde group

C) carboxylic group

D) both a and b

• question_answer151) FAD or FMN is a coenzyme, which vitamin is incorporated in its structure:

A) vitamin C

B) vitamin ${{B}_{6}}$

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

D) vitamin ${{B}_{1}}$

• question_answer152) Who among the following scientists developed eytochemical technique for the presence of DNA?

A) Johannsen

B) Hammerling

C) McClintock

D) Feulgen and Rossenbeck

• question_answer153) Ribosomes of bacteria, mitochondria and chloroplasts are of:

A) 30S type

B) 70S type

C) 80S type

D) 50S type

• question_answer154) When yeast ferments glucose the products are:

A) ethanol and carbondioxide

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

C) water and carbondioxide

D) ethanol and water

• question_answer155) Anastral mitosis is the characteristic of:

A) lower animals

B) higher animals

C) higher plants

D) all living organisms

• question_answer156) The genetic material of bacteria is present as:

A) spherosome

B) genophore

C) lomasomes

D) mesosome

• question_answer157) Which of the following is an edible fungus?

A) Neurospora

B) Penicillium

C) Agaricus

D) Rhizopus

• question_answer158) Heterotrichous habit is shown by:

A) Ulothrix

B) Oedogonium

C) Chalmydomonas

D) Stigeoclonium

• question_answer159) Avena curvature test is used for biosynthesis of:

A) auxin

B) gibberellin

C) ethylene

D) cytokinin

• question_answer160) Largest ecosystem of the world are:

A) forests

B) oceans

C) great lakes

D) grasslands

• question_answer161) In a pond if there is too much wastage, then the BOD of pond will:

A) remain same

B) decrease

C) increase

D) both (b) and (c)

• question_answer162) Narcotic and soothing properties of tobacco is due to or harmful alkaloid contained in the leaves of tobacco is:

A) codeine

B) nicotine

C) aconite

D) caffeine

• question_answer163) Richest source of vitamins C is:

A) lemon

B) orange

C) Emblica officinalis (Amla)

D) Capsicum fruit escence

• question_answer164) Trypanosomiasis is transmitted by:

A) tse-tse fly

B) sand fly

C) louse

D) may fly

• question_answer165) Monocytes and neutrophils are important cells participating in:

A) antibody production

B) passive immunity

C) phagocytosis

D) perforin production

• question_answer166) X-rays were discovered in the year:

A) 1929

B) 1906

C) 1895

D) 1870

• question_answer167) The term antibiotic was coined by:

A) Louis Pasteur

B) Alexander Flemming

C) Edward Jenner

• question_answer168) Which of the following protein is present in Cartilage?

A) Actine

B) Chondrin

C) Casein

D) Ostein

A) umbel

B) biparous cyme

C) catkin

D) spike

• question_answer170) Gynobasic style is found in:

A) Centella

B) Colocasia

C) Ranunculus

D) Ocimum

• question_answer171) A microspore mother cell forms:

A) an ovule

B) pollen grains

C) embryosac

D) a pollen sac

• question_answer172) The movement of auxin is largely:

A) acropetal

B) centripetal

C) basipetal

D) both (a) and (c)

• question_answer173) Cartilage is produced by:

A) chondroblasts

B) fibroblasts

C) epithelium

D) osteoblasts

• question_answer174) When coenzyme is combined with apo-enzyme it is called:

A) vitamin A

B) holoenzyme

C) subtrate enzyme complex

D) cofactor

• question_answer175) Which of the following events takes place during inspiration in rabbit?

A) Due to contraction of external inter costal muscles and flattening of diaphragm the volume of thoracic cavity decreases

B) The abdominal muscles contract

C) Due to contraction of external inter costal muscles and flattening of diaphragm the volume of thoracic cavity increases

D) The internal intercostal muscles relax

• question_answer176) Haematocrit is related with:

A) counting number of RBC

B) oxygen carrying capacity of haemoglobin When a sample of blood is rendered non coagulable by adding sodium oxalate and then centrifuged in haematocrit tube. RBCs sediment to the bottom of the tube and the relative volume of RBCs can be read as a percentage of blood volume. This is called Haematocrit value.

C) cell volume when packed together

D) amount of Hb/100 ml of blood

• question_answer177) About how many nephrons are there in each kidney of a human:

A) 1, 00, 000

B) 1, 000

C) 200

D) 16

• question_answer178) Glenoid cavity is present in:

A) skull of rabbit

B) xiphisternum

C) pelvic girdle

D) pectoral girdle

• question_answer179) Outermost covering of brain is called as:

A) gray mater

B) pericardium

C) pia mater

D) duramater

• question_answer180) The recapitulation theory was proposed by:

A) E. Haeckel

B) Harvey

C) Lamarck

D) None of these

• question_answer181) Directions: Find out the miss-spelt word...

A) trauma

B) tinker

C) takitum

D) turpitude

• question_answer182) Directions: Find out the miss-spelt word...

A) synchronize

B) simulate

C) stimulate

D) scoul

• question_answer183) Directions: Find out the miss-spelt word...

A) groupie

B) gurantee

C) gubernatorial

D) guard-rail

• question_answer184) Directions: Find out the miss-spelt word...

A) loubrow

B) loutish

C) luminosity

D) lumpen

• question_answer185) Directions: Find out the miss-spelt word...

A) indefatigable

B) indentured

C) indicative

D) intelligentsia

• question_answer186) (A) tree (B) the (C) fell (D) The (E) from (F) boy:

A) DFCEBA

B) BACEDF

C) BFCDAE

D) EDACBF

• question_answer187) (A) grinded (B) to (C) the (D) a (E) train (F) halt:

A) DEABCF

B) DFABCE

C) CEABDF

D) FEACBD

• question_answer188) (A) dejected (B) students (C) lot (D) the (E) a (F) were:

A) ABFECD

B) EACFDB

C) DBFEAC

D) ECFDAB

• question_answer189) (A) convicted (B) court (C) of (D) murder (E) the (F) him:

A) EDAFCB

B) CEDBAF

C) FAEBCD

D) EBAFCD

• question_answer190) (A) vehicle (B) accosted (C) the (D) speeding (E) sergeant (F) the:

A) FEBCDA

B) FBACDE

C) CDABFE

D) BFEDAC

• question_answer191) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) generates

B) brings

C) develops

D) stirs

• question_answer192) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) flow

B) storm

C) plethora

D) array

• question_answer193) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) effect

B) destroy

C) ruins

D) affect

• question_answer194) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) develop

B) report

C) hypothesize

D) relate

• question_answer195) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) appears

B) signifies

C) propagates

D) shows

• question_answer196) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) prolonged

B) serious

C) any

D) proper

• question_answer197) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) alarmed

B) activated

C) reset

• question_answer198) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) level

B) program

C) energy

D) sensitivity

• question_answer199) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

B) allergetic

C) sensitized

D) immune

• question_answer200) It is now well known that stress 191 up a 192 of body chemicals that eventually 193 your health. Now scientists 194 further findings, It 195 that every time one goes through 196 stress, the bodys stress thermostat gets 197 to a greater 198 Researchers compare this to an allergy once the body is 199 to a substance. It reacts strongly even at a mere 200 of the stuff.

A) disturbance

B) whiff