# Solved papers for JIPMER Jipmer Medical Solved Paper-2001

### done Jipmer Medical Solved Paper-2001

• question_answer1) A motor pump-set lifts 300 kg of water per minute from a well of depth 20 m and delivers to a height of 20 m. Then its power is:

A) 3 kW

B) 1.96 kW

C) 0.98 kW

D) 3.92 kW

• question_answer2) The maximum and minimum distance of a comet from the sun are $8\times {{10}^{12}}m$ and$1.6\times {{10}^{12}}m$. If its velocity when nearest to the sun is 60 m/s, what will be its velocity in m/s when farthest?

A) 12

B) 60

C) 112

D) 6

• question_answer3) The kinetic energy K of a particle moving along a circle of radius R depends on the distance covered s as $K=a{{s}^{2}}$. The force acting on the particle is:

A) $\frac{2a{{R}^{2}}}{s}$

B) $\frac{2a{{s}^{2}}}{R}$

C) ${{\left[ 1+\left( \frac{{{s}^{2}}}{{{R}^{2}}} \right) \right]}^{1/2}}$

D) $2as$

• question_answer4) According to Newton, the viscous force acting between liquid layers of area A and velocity gradient$\frac{\Delta \upsilon }{\Delta z}$is given by $F=\eta A\frac{\Delta \upsilon }{\Delta z}$ where $\eta$ is a constant called coefficient of viscosity. The dimension of $\eta$ are:

A) $\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{2}}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }$

B) $\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{-1}}}{{\text{T}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }$

C) $\text{ }\!\![\!\!\text{ M}{{\text{L}}^{-2}}{{\text{T}}^{-2}}\text{ }\!\!]\!\!\text{ }$

D) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{0}}{{\text{L}}^{0}}{{\text{T}}^{0}}\text{ }\!\!]\!\!\text{ }$

• question_answer5) If a charged spherical conductor of radius 10 cm has potential V at a point distant 5 cm from its centre, then the potential at a point distant 15 cm from the centre will be:

A) $\text{3V}$

B) $\text{3/2V}$

C) $\text{2/3V}$

D) $\text{1/3V}$

• question_answer6) Ratio of kinetic energy and rotational energy in the motion of a disc is:

A) 2 : 7

B) 3 : 1

C) 1 : 2

D) 1 : 1

• question_answer7) A small satellite is revolving near earths surface. Its orbital velocity will be nearly:

A) 11.2 km/sec

B) 6 km/sec

C) 4 km/sec

D) 8 km/sec

• question_answer8) In intrinsic semiconductor at room temperature, number of electrons and holes are:

A) unequal

B) equal

C) infinite

D) zero

• question_answer9) A radioactive element $_{90}{{X}^{238}}$ decays into $_{83}{{\Upsilon }^{222}}.$ The number of P-particle emitted are:

A) 1

B) 2

C) 4

D) 6

• question_answer10) A body is thrown with a velocity of 9.8 m/s making an angle of $30{}^\circ$ with the horizontal. It will hit the ground after a time:

A) 1.5 s

B) 1 s

C) 3s

D) 2s

• question_answer11) 220 V, 50 Hz AC source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit:

A) 3.33 A

B) 33.3 A

C) 5 A

D) 10 A

• question_answer12) A particle moves along a straight line such that its displacement at any time t is given by $S={{t}^{3}}-6{{t}^{2}}+3t+4.$ The velocity when the accelerations zero in m/s is:

A) -9

B) -12

C) 42

D) 3

• question_answer13) A parallel plane condenser is filled with two dielectrics as shown in figure. Area of each plate is A in m2 and the separation is d metre. The dielectric constants are ${{K}_{1}}$ and ${{K}_{2}}$ respectively. Its capacitance in farad will be:

A) $\frac{2{{\varepsilon }_{0}}A}{d}\left( \frac{{{K}_{1}}+{{K}_{2}}}{{{K}_{1}}{{K}_{2}}} \right)$

B) $\frac{{{\varepsilon }_{0}}A}{d}\left( \frac{{{K}_{1}}+{{K}_{2}}}{{{K}_{1}}{{K}_{2}}} \right)$

C) $\frac{{{\varepsilon }_{0}}A}{d}\left( \frac{{{K}_{1}}+{{K}_{2}}}{2{{K}_{1}}{{K}_{2}}} \right)$

D) $\frac{{{\varepsilon }_{0}}A{{K}_{1}}+{{K}_{2}}}{2({{d}_{2}}{{K}_{1}}+{{d}_{1}}{{K}_{2}})}$

• question_answer14) Momentum of a photon of wavelength $\lambda$ is:

A) $\frac{h\lambda }{c}$

B) $\frac{h\lambda }{{{c}^{2}}}$

C) $\frac{h}{\lambda }$

D) zero

• question_answer15) Atomic weight of boron is 10.81 and it has two isotopes $_{5}{{B}^{10}}$ and$_{5}{{B}^{11}}$. Then ratio of $_{\text{5}}{{\text{B}}^{\text{11}}}\text{:}{{\,}_{\text{5}}}{{\text{B}}^{\text{11}}}$ in nature would be :

A) 81 : 19

B) 15 : 16

C) 10 : 11

D) 19 : 81

• question_answer16) The essential distinction between X-rays and $\gamma$-rays is that:

A) $\gamma$-rays are more penetrating than X-rays

B) $\gamma$-rays have greater ionising power than X-rays

C) $\gamma$-rays eminatc from nucleus while X-rays eminate from outer part of the atom

D) $\gamma$-rays have smaller wavelength that X-rays

• question_answer17) A convex lens of focal length$f$produces an image 1/n times than that of the size of the object. The distance of the object from the lens is:

A) $\frac{f}{n}$

B) $nf$

C) $(n-1)f$

D) $(n+1)f$

• question_answer18) A polariser is used to:

A) increase intensity of light

B) produce unpolarised light

C) reduce intensity of light

D) produce polarised light

• question_answer19) A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it;

A) 30cm

B) 60cm

C) 50cm

D) 12cm

• question_answer20) The ratio of rms velocity of oxygen molecules at $327{}^\circ C$ to the rms velocity of hydrogen molecules at $27{}^\circ C$. Given that molecular weights of hydrogen and oxygen are 2 and 32 respectively, is:

A)  $1 :\sqrt{8}$

B) $\sqrt{8}:1$

C) 1 : 8

D) 1 : 8

• question_answer21) A point source of light is placed 4 m below the surface of water of refractive index is 5/3. The minimum diameter of a disc which should be placed over the source on the surface of water to cut-off all light coming out of water is:

A) 6m

B) 3 m

C) 4m

D) 2 m

• question_answer22) A particle is moving Eastward with a velocity of 5 m/s. In 10 seconds the velocity changes to 5 m/s northwards. The average acceleration in this rime is:

A) $\text{1/2}\,\text{m/}{{\text{s}}^{\text{2}}}$ towards North-West

B) $\text{1/}\sqrt{2}\,\text{m/}{{\text{s}}^{\text{2}}}$ towards North-East

C) zero

D) $\text{1/}\sqrt{2}\,\text{m/}{{\text{s}}^{\text{2}}}$ towards North-West

• question_answer23) A point Q lies on the perpendicular bisector of an electrical dipole of dipole moment p. If the distance of Q from the dipole is r (much larger than the size of the dipole), then electric field at Q is proportional to:

A) $p\,\text{and}\,{{r}^{-3}}$

B) ${{p}^{2}}\,\text{and}\,{{r}^{-3}}$

C) $p\,\text{and}\,{{r}^{-2}}$

D) ${{p}^{-1}}\,\text{and}\,{{r}^{-2}}$

• question_answer24) A battery of emf 10V and internal resistance 0.5 ohm is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by :

A) 0.5 ohm

B) 1.0 ohm

C) 2.0 ohm

D) 0.25 ohm

• question_answer25) A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be:

A) $3\upsilon$

B) $\upsilon /3$

C) $2\upsilon$

D) $\upsilon /2$

• question_answer26) Rocket engines lift a rocket from the earth surface because hot gas with high velocity:

A) heat up the air which lifts the rocket

B) react against the rocket and push it up

C) push against the air

D) push against the earth

• question_answer27) A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is:

A) 1200 N

B) 1000 N

C) 250 N

D) 750 N

• question_answer28) A bullet is fired from a rifle. If the rifle freely then the kinetic energy of the rifle is:

A) more than that of the bullet

B) less than that of the bullet

C) same as that of the bullet

D) equal or less than bullet

• question_answer29) An ideal gas A and a real gap B have their volumes increased from V to 2V under isothermal conditions. The increase in internal energy:

A) of A will be more than that of B

B) of B will be more than that of A

C) will be same in both A and B

D) will be zero in both the gases

• question_answer30) A transverse wave is represented by the equation$y={{y}_{0}}\sin \,\frac{2\pi }{\lambda }(\upsilon t-x)$ For what value of $\lambda$ is the particle velocity equal to two times the wave velocity:

A) $\lambda =\pi {{y}_{0}}$

B) $\lambda =\frac{\pi {{y}_{0}}}{2}$

C) $\lambda =\frac{\pi {{y}_{0}}}{2}$

D) $\lambda =2pi{{y}_{0}}$

• question_answer31) A gas expands $0.25\text{ }{{m}^{3}}$at constant pressure ${{10}^{3}}N/{{m}^{2}},$ the work done is:

A) 250 N

B) 250 W

C) 250 J

D) 2.5 ergs

• question_answer32) For a gas $\frac{R}{{{C}_{\upsilon }}}=0.67.$ This gas is made up of molecules which are:

A) monoatomic

B) polyatomic

C) mixture of diatomic and polyatomic molecules

D) diatomic

• question_answer33) The work done in increasing the size of a soap film from $10\,cm\times 6\,m$ to $10\,cm\times 11\,cm$ is$3\times {{10}^{-4}}joule$. The surface tension of the film is:

A) $11.0\times {{10}^{-2}}\text{N/m}$

B) $6.0\times {{10}^{-2}}\text{N/m}$

C) $3.0\times {{10}^{-2}}\text{N/m}$

D) $1.5\times {{10}^{-2}}\text{N/m}$

• question_answer34) The escape velocity from the surface of earth is ${{\upsilon }_{es.}}$ The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be:

A) $3{{\upsilon }_{es}}$

B) $9{{\upsilon }_{es}}$

C) ${{\upsilon }_{es}}$

D) $27{{\upsilon }_{es}}$

• question_answer35) A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2 in and sticks to it- Now the combined mass starts to move. What will be the combined velocity?

A) 4 km/h

B) 1 km/h

C) 2 km/h

D) 3 km/h

• question_answer36) In the figure shown a block of weight 10 N is resting on a horizontal surface (figure). The coefficient of static friction between the block and surface is force of 3.5 N will keep the block in uniform motion, once it has been set in motion. A horizontal force of 3 N is applied to the block then:

A) First it will move with a constant velocity for some time and then will have accelerated motion

B) the block move having accelerated motion over the surface

C) The block move over the surface with a constant velocity

D) The block will not move

• question_answer37) The binding energy per nucleon is maximum in the case of :

A) $_{92}^{235}\text{U}$

B) $_{56}^{141}\text{Ba}$

C) $_{26}^{56}\text{Fe}$

D) $_{4}^{2}\text{He}$

• question_answer38) The equation of travelling wave is $y=60\,\cos$ $(1800t-6x)$y where y in microns, in seconds and x in metres. The ratio of maximum particle velocity to velocity of wave propagation is :

A) $3.6$

B) $3.6\times {{10}^{-6}}$

C) $3.6\times {{10}^{-1}}$

D) $3.6\times {{10}^{-4}}$

• question_answer39) If the radius of earths orbit is made 1/4, the duration of an year will become :

A) 4 times

B) 8 times

C) 1/4 times

D) 1/8 times

• question_answer40) A balloon contains $500\text{ }{{m}^{3}}$of helium at $27{}^\circ C$ and 1 atmosphere pressure. The volume of the helium at $-3{}^\circ C$ temperature and 0.5 atmosphere pressure will be:

A) $1000\text{ }{{m}^{3}}$

B) $900\text{ }{{m}^{3}}$

C) $700\text{ }{{m}^{3}}$

D) $500\text{ }{{m}^{3}}$

• question_answer41) In Youngs double slit experiment using sodium light $(\lambda =5898\,\overset{\text{o}}{\mathop{\text{A}}}\,)$, 92 fringes are seen. If given colour $(\lambda =5461\,\overset{\text{o}}{\mathop{\text{A}}}\,)$ is used, how many fringes will be seen:

A) 99

B) 85

C) 67

D) 62

• question_answer42) The focal lengths of the objective and eye lenses of a telescope ane respectively 200 cm and 5 cm. The maximum magnifying power of the telescope will be:

A) -100

B) -60

C) -18

D) -40

• question_answer43) The equation of a plane progressive wave is given by $y=0.025$ sin$(100t+0.25x).$ The frequency of this wave would be:

A) $\text{50}\,\text{Hz}$

B) $\text{100}\,\text{Hz}$

C) $\frac{50}{\pi }\text{Hz}$

D) none of these

• question_answer44) Which of the following statements is correct:

A) the stopping potential increasing with increasing intensity of incident light

B) the photocurrent increases with increasing intensity of light

C) the photo current is proportional to applied voltage

D) the current in a photocell increases with increasing frequency of light

• question_answer45) The slope of frequency of incident light on stopping potential for a given surface will be:

A) $\frac{h}{e}$

B) $eh$

C) $e$

D) $h$

• question_answer46) Two simple pendulums of length 0.5 m and 20 m respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed... oscillations:

A) 1

B) 3

C) 2

D) 5

• question_answer47) Minimum excitation potential of Bohrs first orbit in hydrogen atom is:

A) 3.6 V

B) 10.2 V

C) 13.6V

D) 3.4V

• question_answer48) A car moving with a speed of 40 km/h be stopped by applying brakes after at least 2 m. If the same car is moving with a speed of 80 km/h, what is the minimum stopping distance:

A) 6m

B) 4 m

C) 2m

D) 8 m

• question_answer49) Progressive waves are represented by the equation ${{y}_{1}}=a\,\sin \,(\omega t-x)$ and ${{y}_{2}}=b\,\cos \,(\omega t-x)$ The phase difference between waves is:

A) $0{}^\circ$

B) $45{}^\circ$

C) $90{}^\circ$

D) $180{}^\circ$

• question_answer50) The working principle of a ball point pen is:

A) Bernoullis theorem

B) surface tension

C) gravity

D) viscosity

• question_answer51) A circular disc of mass M and radius r is rotating on a horizontal frictionless table about a diameter, with a constant angular velocity$\omega .$If$m{{r}^{2}}{{\omega }^{2}}$is $\Upsilon$ then the kinetic energy of rotation is :

A) 0.125$\Upsilon$

B) 0.25$\Upsilon$

C) 0.5$\Upsilon$

D) 0.75$\Upsilon$

• question_answer52) If the total energy of a particle is exactly twice of its rust energy then its speed in terms of me speed of light c is:

A) $\frac{\sqrt{3c}}{2}$

B) c

C) $\frac{3c}{4}$

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

• question_answer53) When the area of cross-section and length both are doubled, then its resistances :

A) will remain the same

B) will become half

C) will become four times

D) will become double

• question_answer54) What is the magnitude of a point charge due to which the electric field 30 cm away has the magnitude $2N\text{/}C$$\left( \frac{1}{4\pi {{\varepsilon }_{0}}}=9\times {{10}^{9}}\text{N}{{\text{m}}^{\text{2}}}\text{/}{{\text{C}}^{\text{2}}} \right)$

A) $2\times {{10}^{-11}}C$

B) $3\times {{10}^{-11}}C$

C) $5\times {{10}^{-11}}C$

D) $9\times {{10}^{-11}}C$

• question_answer55) For which of the following colour, the magnifying power of a microscope will be maximum?

A) white

B) red

C) yellow

D) violet

• question_answer56) The temperature of perfect black body is $727{}^\circ C$ and its area is $0.1\,{{m}^{2}}$. If Stefans constant is$5.67\text{ }watt/{{m}^{2}}s{{K}^{-4}},$ then heat radiated by it in 1 minute is:

A) 8100 cal

B) 81000 cal

C) 810 cal

D) 81 cal

• question_answer57) The internal resistance of a primary cell is 4 $\Omega$ It generates a current of 0.2 amp in an external resistance of 21 $\Omega$ The rate at which chemical energy to consumed in providing current is:

A) 1 J/s

B) 5 J/s

C) 0.42 J/s

D) 0.8 J/s

• question_answer58) Iionization potential of hydrogen atom is 13.6 eV. Hydrogen atom on the ground state rarely excited by monochromatic radiation of photon energy 12.1 eV. The special line emitted by a hydrogen atom according to Bohrs theory will be:

A) one

B) two

C) three

D) four

• question_answer59) If the gravitational force between two objects were proportional to$\frac{1}{R}$(and not$\frac{1}{{{R}^{2}}})$ where R is separation between then a particle in circular orbit under such a force would have its orbital speed $\upsilon$ proportional to:

A) $R$

B) $1/R$

C) $R{}^\circ$

D) $1/{{R}^{2}}$

• question_answer60) Two rigid bodies A and B rotate with rotational kinetic energies ${{E}_{A}}$ and ${{E}_{B}}$ respectively. The moments of inertia of A and B about the axis of rotation are ${{I}_{A}}$ and ${{I}_{B}}$respectively. If${{I}_{A}}=\frac{{{I}_{B}}}{4}$ and${{E}_{A}}=100\,{{E}_{B}}$ the ratio of angular momentum$({{L}_{A}})$of A to the angular momentum $({{L}_{B}})$ of B is:

A) 25

B) 5/4

C) 5

D) 1/4

• question_answer61) The equivalent weight of aluminium in $A{{l}_{2}}{{O}_{3}}$ will be:

A) 13.5

B) 27

C) 9

D) 102

• question_answer62) Which one pair of atoms or ions will have same configuration?

A) ${{F}^{+}}$ and $Ne$

B) $L{{i}^{+}}$ and $H{{e}^{-}}$

C) $C{{l}^{-}}$and $Ar$

D) $Na$ and $K$

• question_answer63) $HCl$ behaves as......in the reaction: $HCl+HF\xrightarrow{{}}H_{2}^{+}Cl+{{F}^{-}}$

A) weak base

B) weak acid

C) strong base

D) strong acid

• question_answer64) Radioactivity of neptunium $({}_{93}N{{p}^{237}})$stops when it is converted into:

A) Bi-209

B) Rn-222

C) Th-230

D) Pb-207

• question_answer65) In which of the following the angle between the two covalent bonds, is greatest?

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

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

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

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

• question_answer66) The reaction ${{H}_{2}}S+{{H}_{2}}{{O}_{2}}\xrightarrow{{}}2{{H}_{2}}O+S$ shows:

A) oxidizing action of ${{H}_{2}}{{O}_{2}}$

B) reducing action of ${{H}_{2}}{{O}_{2}}$

C) alkaline nature of ${{H}_{2}}{{O}_{2}}$

D) acidic nature of ${{H}_{2}}{{O}_{2}}$

• question_answer67) What is the oxidation state of Cr in $Cr{{O}_{5}}$?

A) +10

B) +5

C) +6

D) +3

• question_answer68) A and B are two identical vessels. A contains 15 g of ethane at 298 K and 1 atm. The vessel B contains 75 g gas ${{X}_{2}}$ at the same temperature and pressure. The vapour density of ${{X}_{2}}$ is:

A) 300

B) 375

C) 150

D) 75

• question_answer69) Which property is different for neutral atoms of the two isotopes of the same element?

A) Number of protons

B) Atomic number

C) Number of neutrons

D) None of the above

• question_answer70) The rate of a first order reaction is$0.693\times {{10}^{-2}}\,mol\,{{L}^{-1}}\,{{\min }^{-1}}$ and the initial concentration of the reactants is 1 M, ${{t}_{1/2}}$ is equal to:

A) 6.92 minute

B) 100 minutes

C) $0.693\times {{10}^{-3}}$minute

D) $0.693\times {{10}^{-2}}$minute

• question_answer71) Which salt shows maximum osmotic pressure in its 1 M solution?

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

B) ${{(N{{H}_{4}})}_{3}}P{{O}_{4}}$

C) $N{{a}_{2}}S{{O}_{4}}$

D) $AgN{{O}_{3}}$

• question_answer72) A solution of sodium borate has a pH of approximately:

A) < 7

B) > 7

C) = 7

D) between 4 and 5

• question_answer73) The e.m.f. of a cell, whose half-cells are given below, is: $M{{g}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Mg(s);$ $E{}^\circ =-\,2.37\,\,V$ $C{{u}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Cu(s);$ $E{}^\circ =+\,0.34\,\,V$

A) $+1.36\,\,V$

B) $+\,2.71\,V$

C) $-\,2.03\,\,V$

D) $-\,2.71\,\,V$

• question_answer74) In an exothermic reaction, the reactants:

A) have more energy than the products

B) are at a higher temperature than the products

C) have less energy than products

D) have the same energy as the products

A) value of equilibrium constant is decreased

B) the rate of forward reaction is increased and of backward reaction is decreased

C) equilibrium concentrations are unchanged

D) equilibrium concentrations are increased

• question_answer76) The number of moles of hydroxide $(O{{H}^{-}})$ ion in 0.3 litre of 0.005 M solution of$Ba{{(OH)}_{2}}$is:

A) 0.0050

B) 0.0030

C) 0.0015

D) 0.0075

• question_answer77) Which of the following solutions, will show highest resistance during the passage of current?

A) 0.05 N NaCI

B) 2 N NaCl

C) 0.1 N NaCI

D) 1 N NaCI

• question_answer78) For the reaction$2N{{O}_{2}}(g)\rightleftharpoons 2NO(g)+{{O}_{2}}(g)$ ${{K}_{c}}=1.8\times {{10}^{-6}}$at$185{}^\circ C.$ At $185{}^\circ C,$the ${{K}_{c}}$for reaction$NO(g)+\frac{1}{2}({{O}_{2}})\,(g)\rightleftharpoons N{{O}_{2}}(g)is:$

A) $1.95\times {{10}^{-3}}$

B) $1.95\times {{10}^{3}}$

C) $7.5\times {{10}^{2}}$

D) $0.9\times {{10}^{6}}$

• question_answer79) For a reaction, ${{C}_{6}}{{H}_{6}}(l)+\frac{15}{2}{{O}_{2}}(g)\xrightarrow{{}}3{{H}_{2}}O(l)+6{{O}_{2}}(g);$ $\Delta H=-\,3264.6\,\,kJ$ Heat evolved when 39 g of ${{C}_{6}}{{H}_{6}}$ are burnt is:

A) 2448.45 kJ

B) 6528.2 KJ

C) 1632.3 kJ

D) 816.15 kJ

• question_answer80) Self-ionisation of liquid ammonia occurs as $2N{{H}_{3}}\rightleftharpoons NH_{4}^{+}+NH_{2}^{-};$ $K={{10}^{-10}}$ In this solvent, an acid might be:

A) $NH_{4}^{+}$

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

C) any species that will form$NH_{4}^{+}$

D) all the above

• question_answer81) For a spontaneous reaction, which of the following condition is correct, at all temperatures?

A) $\Delta H<0,\,\Delta S<0$

B) $\Delta H>0,\,\Delta S<0$

C) $\Delta H<0,\,\Delta S>0$

D) $\Delta H>0,\,\Delta S>0$

• question_answer82) Vapour density of a metal chloride is 47.5. If the valency of metal is 2, the metal is:

A) Mg

B) Ca

C) Ba

D) Pb

• question_answer83) An ore of potassium is:

A) bauxite

B) dolomite

C) carnallite

D) cryolite

A) basic oxide

B) super oxide

C) mixed oxide

D) amphoteric oxide

• question_answer85) Which nitrate leaves metallic globule on heating strongly?

A) $Pb{{(N{{O}_{3}})}_{2}}$

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

C) $AgN{{O}_{3}}$

D) $Cu{{(N{{O}_{3}})}_{2}}$

• question_answer86) Diborane reacts with water to form:

A) ${{H}_{3}}B{{O}_{3}}+{{H}_{2}}$

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

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

D) ${{H}_{3}}B{{O}_{3}}$

• question_answer87) Bromine is liberated when an aqueous solution of$KBr$is treated with :

A) dil.${{H}_{2}}S{{O}_{4}}$

B) ${{I}_{2}}$

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

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

• question_answer88) To obtain chromium from chromic oxide $\left( C{{r}_{2}}{{O}_{3}} \right),$ the method used is:

A) alumino-thermic process

B) electrolytic reduction

C) carbon reduction

D) carbon-monoxide reduction

• question_answer89) What is formed, when cone. $HN{{O}_{3}}$reacts with phosphorus?

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

B) ${{H}_{3}}P{{O}_{3}}$

C) ${{H}_{3}}P{{O}_{4}}$

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

• question_answer90) Deuterium resembles hydrogen in chemical properties but reacts:

A) more vigorously than hydrogen

B) faster than hydrogen

C) slower than hydrogen

D) just as hydrogen

• question_answer91) Tin, a silvery white metal exists in:

A) two allotropic forms

B) five allotropic forms

C) three allotropic forms

D) four allotropic forms

• question_answer92) ${{H}_{2}}S{{O}_{4}}$ acts as dehydrating agent in its reaction with:

A) ${{H}_{2}}{{C}_{2}}{{O}_{4}}$

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

C) $KOH$

D) $Zn$

A) $BaS+ZnS{{O}_{4}}$

B) $BaC{{l}_{2}}+ZnS{{O}_{4}}$

C) $BaS{{O}_{4}}+ZnS$

D) $BaC{{O}_{3}}+ZnC{{O}_{3}}$

• question_answer94) Which carbide gives methane on hydrolysis?

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

B) $A{{l}_{4}}{{C}_{3}}$

C) $M{{g}_{2}}{{C}_{3}}$

D) none of these

• question_answer95) Aldehydes are isomeric with:

A) ketones

B) alcohols

C) ethers

D) none of these

• question_answer96) Conjugated double bonds are present of these in:

B) butylene

C) isobutylene

D) propylene

• question_answer97) In the following sequence of reactions, $C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\xrightarrow{KOH(alc.)}(A)\xrightarrow{HBr}(B)$ $\xrightarrow{KOH(aq.)}\,(C)$ The product C is:

A) propan-2-ol

B) propan-1-ol

C) propyne

D) propene

• question_answer98) Acetaldehyde undergoes self-condensation in presence of aluminium ethoxide to give ethyl acetate. This reaction is called:

A) Aldol condensation

B) Cannizzaros reaction

C) Tischenkos reaction

D) Perkins reaction

• question_answer99) Diethyl ether on heating with cone. $HI$ gives two moles of:

A) methyl iodide

B) ethyl iodide

C) iodoform

D) ethanol

• question_answer100) Compounds A, on heating with ammonia, gives compound B which on treating with cone.${{H}_{2}}S{{O}_{4}},$gives compound C. This compound C on reduction gives ethyl amine. What is compound A?

A) Ethanal

B) Ethanol

C) Propyl amine

D) Acetic acid

• question_answer101) When acetone reacts with bleaching powder, the compound formed is:

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

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

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

D) $CC{{l}_{4}}$

• question_answer102) The IUPAC name of gammexane is:

A) benzene hexachloride

B) 1, 2, 3, 4, 5, 6-hexachloro-benzene

C) 1, 2, 3, 4, 5, 6-hexachlor-cyclohexane

D) all of me above

• question_answer103) Which of the following is not a nucleo-phile?

A) $HSO_{3}^{-}$

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

C) Ammonia

D) $O{{H}^{-}}$

• question_answer104) When aniline is heated with benzal-dehyde, the product is:

A) unsaturated acid

B) azoxy benzene

C) Schiffs base

D) benzoin

• question_answer105) The oxidation of toluene to benzaldehyde, in presence of chromyi chloride, is called:

A) Reimer-Tiemann reaction

B) Etard reaction

C) Cannizzaros reaction

D) Wurtz reaction

• question_answer106) Identify the product Z in the series: $C{{H}_{3}}CN\xrightarrow{Na/{{C}_{2}}{{H}_{5}}OH}X\xrightarrow{HN{{O}_{2}}}Y\xrightarrow{[O]}Z$

A) $C{{H}_{3}}C{{H}_{2}}NHOH$

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

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

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

• question_answer107) What is obtained by the dry distillation of calcium formate?

A) Formic acid

B) Methanal

C) Acetone

D) Acetaldehyde

• question_answer108) A mixture of benzene and aniline can be separated by:

A) hot water

B) dil. HCl

C) dil. NaOH

D) alcohol

• question_answer109) What is the following reaction called?

A) Gattermann reaction

B) Schiemann reaction

C) Gomberg reaction

D) Sandmeyer reaction

• question_answer110) Which of the following is the best scientific method to test the presence of water in a liquid?

A) Use of anhydrous copper sulphate

B) Use of litmus paper

C) Taste

D) Smell

• question_answer111) Which of the following transition element, shows the highest oxidation state?

A) Cr

B) V

C) Fe

D) Mn

• question_answer112) If ${{K}_{sp}}$ for $HgS{{O}_{4}}$ is $6.4\times {{10}^{-5}},$ then solubility of its salt is:

A) $6.4\times {{10}^{-5}}\,\text{mol}\,\,\text{litr}{{\text{e}}^{-1}}$

B) $6.4\times {{10}^{-3}}\text{ mol litr}{{\text{e}}^{-1}}$

C) $8\times {{10}^{-6}}\text{ mol litr}{{\text{e}}^{-1}}$

D) $8\times {{10}^{-3}}\text{ mol litr}{{\text{e}}^{-1}}$

• question_answer113) The${{K}_{c}}$for${{H}_{2}}(g)+{{I}_{2}}(g)\rightleftharpoons 2HI(g)$ is 64. If the volume of the container is reduced to one-half of its original volume, the value of the equilibrium constant will be:

A) 28

B) 64

C) 32

D) 16

• question_answer114) The structure of $P{{F}_{5}}$ molecule is:

A) trigonal bipyramidal

B) tetrahedral

C) pentagonal bipyramidal

D) square planar

• question_answer115) The dissociation constant of HCN is $5\times {{10}^{-8}}$. The pH of the solution prepared by mixing 1.5 moles of HCN and 0.15 moles of KCN in water and making up die total volume to $0.5\,d{{m}^{3}}$is:

A) 7.3020

B) 5.3020

C) 6.3010

D) 6.6990

• question_answer116) The compound which forms a dative bond with ammonia, is:

A) $CC{{l}_{4}}$

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

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

D) $NaCl$

• question_answer117) The molarity of a solution having 18 g of glucose (mol w.t. = 180) dissolved in 500 g of water is:

A) 2.2 M

B) 0.2 M

C) 0.5 M

D) 0.1 M

• question_answer118) The number of unpaired electrons in ferrous ion is:

A) 5

B) 4

C) 3 a

D) 2

• question_answer119) The monomer of P.V.C. is:

A) $C{{H}_{3}}-CH=CH-Cl$

B) $C{{H}_{2}}=CH\cdot Cl$

C) $CH(CN)=CHC{{H}_{3}}$

D) None of the above

• question_answer120) Which of the following is an antibiotic?

A) Morphine

B) Neomycin

C) Paludrine

D) n-hexyl resorcinol

• question_answer121) Maternal inheritance is due to the genes present in:

A) lysosome

B) nucleoplasm

C) nucleus

D) mitochondria

• question_answer122) The process in which DNA of a bacterial cell is transferred into another bacterial cell by virus is known as:

A) reproduction

B) conjugation

C) transformation

D) transduction

• question_answer123) Thallus of Riccia is:

A) tetraploid

B) triploid

C) diploid

D) haploid

A) in desert

B) on mountains

C) in grasslands

D) near river banks

A) Mimosa

B) Helianthus

C) Cassia

D) Pisum

• question_answer126) Red rust of tea is caused by:

A) Fusarium

B) Mucor

C) Synchytrium

D) Cephaleuros

• question_answer127) Which of the following species are restricted to a given area?

A) Sympatric species

B) Allopatric species

C) Sibling species

D) Endemic species

A) hydrogen bonds

B) phosphodiester bonds

C) glycosidic bonds

D) none of these

• question_answer129) Which of the following is the main production the photorespiration of ${{C}_{3}}$ plants?

A) Glycolate

B) Glycerate

C) Phosphoglycolate

D) Phosphoglycerate

• question_answer130) Oxysomes are located inside:

A) Golgi body

B) lysosomes

C) plastids

D) mitochondria

A) old world diploid

B) new world diploid

C) old world tetraploid

D) new world tetraploid

• question_answer132) A material which arrests cell division is obtained from:

A) Dalbergia

B) Chrysanthemum

C) Crocus

D) Colchicum

• question_answer133) 1 nm is equal to:

A) $100\,\mu m$

B) ${{10}^{-8}}$

C) ${{10}^{-3}}mm$

D) 10${{A}^{o}}$

• question_answer134) Mutations are caused due to:

A) change in base sequence

C) chemical mutagens

• question_answer135) Biologically most resistant plant material is:

A) cutin

B) suberin

C) lignin

D) sporopollenin

A) nullisomy

B) monosomy

C) trisomy

D) tetrasomy

• question_answer137) The effect of daily light period on flowering is called:

A) photorespiration

B) phototropism

C) photo-oxidation

D) photoperiodism

• question_answer138) If a botanist has to no menclate a similar species, he will use:

A) isotype

B) mesotype

C) neotype

D) syntype

• question_answer139) Which of the following is used to cure off the bitterness of tea leaves?

A) Bacillus mycococcus

B) Bacillus lactis

C) Bacillus megatherium

D) Bacillus subtilis

• question_answer140) The floral formula $\text{Br or EBr }\oplus \overset{\text{O}}{\mathop{+}}\,\text{K}\left( \text{5} \right)\text{C}\left( \text{5} \right){{\text{A}}_{0}}\overset{-}{\mathop{\text{G}}}\,\left( \text{3} \right)$ belongs to family:

A) Liliaceae

B) Cucurbitaceae

C) Gramineae

D) Solanaceae

• question_answer141) Which of the following is associated with multiple phenotypes?

A) Mutation

B) Polygenic inheritance When one gene is involved in the expression of more than one trait and effect more than one phenotype is called pleiotropic gene and phenomenon is known as pleiotropy.

C) Epistasis

D) Pleiotropy

• question_answer142) Corn is immersed in the boiling water. It is then cooled, the solution becomes sweet. It is due to:

A) enzymes are inactivated in boiling water

B) disaccharides are converted into mono saccharides

C) monosaccharides are converted into disaccharides

D) none of above

• question_answer143) Ensheathing of muslces is called:

A) tendon

B) ligament

C) peritoneum

D) fascia

• question_answer144) Brain depends on blood for the supply of:

A) ATP and glucose

B) oxygen and glucose

C) oxygen and electrolytes

D) oxygen and ATP

• question_answer145) Anaerobic respiration in animals produces:

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

B) lactic acid

C) ${{C}_{2}}{{H}_{5}}OH$ and $C{{O}_{2}}$

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

• question_answer146) Cleavage is a unique form of mitotic cell division in that:

A) the plasma memberanes of daughter cells do not separate

B) no spindle develops to guide the cells

C) there is no growth of cells

D) the nucleus does not participate

• question_answer147) Hind wings of mosquitoes are termed as:

A) coxa

B) tentorium

C) halters

D) elytra

• question_answer148) Phenomenon of Industrial Melanism demonstrates:

A) reproductive isolation

B) geographical isolation

C) induced mutation

D) natural selection

• question_answer149) Which of the following glands is associated with the consumption of iodised salt?

A) Ovary

B) Pituitary

C) Thymus

D) Thyroid

• question_answer150) Kerbs cycle takes place in:

A) plastids

B) golgi body

C) lysosome

D) mitochondria

• question_answer151) Kupffer cells are found in:

A) blood

B) heart

C) kidney

D) liver

• question_answer152) Daily rhythms are usually associated with:

A) hypothalamus

B) thymus

C) pituitary

D) pineal

• question_answer153) Which of the following is the nitrogenous waste?

B) Guanine

C) Creatin

D) All of these

• question_answer154) In the ear of man, the perilymph passes from middle to inner ear through:

A) tympanic membrane

B) fenes trarotundus

C) fenes traovalis

D) foramen ovale

• question_answer155) Which of the following tissue is present in the leaves of Pinus and serve to conduct water and food?

A) Conducting tissue

B) Transfusion tissue

C) Phloem

D) Xylem

• question_answer156) Excessive paerenchyma is characteristic of:

A) heliophytes

B) mesophytes

C) xerophytes

D) hydrophytes

• question_answer157) Syconus fruit develops from:

A) cyathium

B) hypanthodium

C) verticillaster

D) catkin

• question_answer158) In Puccinia, infection from barbery leaf to wheat plant is caused by:

A) pycnospores

B) aeciospores

C) uredospores

D) teleutospores

• question_answer159) Which of the following phytohormones is not naturally occurring?

A) 6-furfuryl amino purine

B) Gibberellic acid

C) 2, 4-D

D) IAA

• question_answer160) Study of relationship between communities and environments is called:

A) Ethnology

B) Ecology

C) Synecology

D) Autecology

• question_answer161) Which of the following does not evolve oxygen?

A) Autotrophic plants

B) Green algae

C) Blue-green algae

D) Photosynthetic bacteria

• question_answer162) The exchange of one part of a chromosome to the other part of same or another chromosomes is called:

B) translocation

C) mutation

D) inversion

• question_answer163) Brush bordered epithelium is found in:

A) fallopian tube

B) small intestine

C) stomach

D) trachea

• question_answer164) Lamp brush chromosomes are found inside:

A) nucleus of man

B) oocytes of frog

C) salivary glands of silk moth

D) salivary glands of Drosophila

• question_answer165) Which of the following are most abundant type of antibodies?

A) IgM

B) IgG

C) IgE

D) IgA

• question_answer166) How many teeth of humans normally grow twice?

A) 16

B) 32

C) 12

D) 20

• question_answer167) Which of the following is the most primitive ancestor of man?

B) Homohabilis

C) Ramapithecus

D) Australopithecus

• question_answer168) How many ova and sperms would be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis in humans?

A) 200 ova, 200 sperms

B) 50 ova, 100 sperms

C) 100 ova, 200 sperms

D) 100 ova, 100 sperms

• question_answer169) Androgens are secreted by:

A) parathyroid

C) thyroid

D) pituitary

• question_answer170) Starch is converted to maltose by the action of:

A) maltase

B) sucrose

C) amylase

D) invertase

• question_answer171) Which of the following is different from other in absence of muscular coat?

A) Arterioles

B) Capillaries

C) Arteries

D) Veins

A) help in buoyancy

B) bear spores helping in reproduction

C) help in nutrition

D) help in respiration

• question_answer173) Deficiency of which of the following causes obesity, low plasma $N{{a}^{+}}$, high ${{K}^{+}}$ and increase blood pressure?

A) Thyroxine

B) Cortisol

D) Growth hormone

• question_answer174) Which of the following bones arc cartilaginous?

A) Frontopareintal only

B) Exioccipital and parasphnriod

C) Exoccipital and spenetmhmoid

D) Exoccipital and frontopariental

• question_answer175) Which of the following does not have any alimentary canal?

A) Ascaris

B) Taenia

C) Frog

D) Earthworm

• question_answer176) Which of the following is loose connective tissue?

A) Nervous tissue

B) Blood

D) Areolar

• question_answer177) Chemical theory of origin was given by:

A) Spallanzani

B) Louis Pasteur

C) Oparin and Haldane

D) Stanley Miller

• question_answer178) The photosynthetic pigments viz, erythrolable, chlorolable and cyanolable respectively are:

A) green, red, blue

B) red, blue, green

C) red, green, blue

D) blue, green, red

• question_answer179) All Bowmans capsules of the kidney are found in:

A) pelvis

B) medulla

C) cortex

D) none of these

• question_answer180) Which of the following belongs to Anthozoa?

A) Dugesia

B) Stercularia

C) Fungia

D) Aurelia

• question_answer181) Which of the following correctly shows the different sectors consuming energy in ascending order?

A) agriculture, transport, household, industrial

B) agriculture, household, transport, industrial

C) industrial, transport, household, agriculture

D) industrial, household, agriculture, transport

• question_answer182) The author is laying great emphasis on which of the following?

 (I) Efficient use of energy. (II) Increasing national indices for energy consumption. (III) Controlling population growth.

A) only I

B) only II

C) only III

D)  all the three

• question_answer183) The author feels that increasing per capita use of energy is :

A) rather difficult but not impossible

B) not easy but certainly achievable

C) not at all desirable

D) a matter of great difficulty

• question_answer184) According to the passage, the energy requirement of the future will be decided on the basis of which of the following? (i) total energy, already consumed by us in the past. (ii) level of development of oil industry. (iii) Profile of the affected people.

A) only (i)

B) only (ii)

C) only (iii)

D) both (b) and (c)

• question_answer185) There is clearly no escape... means:

A) There is a way out but it is ambiguous

B) There is a problem but not without solution

C) There is also no solution of this

D) There is hardly any alternative

• question_answer186) Which of the following styles has been adopted by the author?

A) Unsubstantiated arguments and views

B) Data-based but colored by socialism

C) Highly subjective with bias for rural people

D) Data-based, objective, positive, solution- oriented

• question_answer187) Which of the following has been suggested by the author as the best possible solution to overcome energy crisis?

A) importing large quantities of coal

B) exploration of oil reserves

C) reducing share of bulk users

D) maximization of renewable source

• question_answer188) The energy disparity? as wide as? word-wide scale means:

A) disparity in urban and rural areas is observed in all the nations

B) in no other nation such disparity is observed

C) developed countries consume more energy than developing countries

D) worldwide scale is different for rural and urban areas

• question_answer189) Which of the following statements is true?

A) The household sector has shown considerable increase in energy use

B) Use of oil has increased from 40% to 80%

C) Industrial sector uses 50% of the total energy used in India

D) Energy consumption in India is 26% of world consumption

E) (e) Import of oil to the extent of requirement is quite possible

• question_answer190) Which of the following has been mentioned as a major hurdle in enhancing per capita consumption of energy in India?

A) Present level of development in India

B) Increased use of energy in agricultural sector

C) Disparity in the use of energy in rural and urban areas

D) none of these

• question_answer191) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. The quality of food served in this hotel is so poor that no respectable person would want to eat over here:

A) will want to eat

B) will have wanted to eat

C) will be wanting to eat

D) no correction required

• question_answer192) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. I am absolute confident what we are going to move forward strongly:

A) absolutely confidence that

B) absolutely confident what

C) absolute confidential what

D) absolutely confident that

• question_answer193) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. Leaving aside little room for mismterpretation, the senior politician offered clarification about his role in the party elections:

A) leaving little room for

B) leaving for little room to

C) leaving less room for

D) having left less room for

• question_answer194) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. The principal lamented that though a detailed report was submitted to the management a month ago no action is being took so far:

B) no action was being taken

C) no action has been taken

D) no correction required

• question_answer195) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. We must make for our foreign policy on the basis of guarding national interest alone:

B) must be making to

C) must make

D) no correction required

• question_answer196) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. One of the men gave first aid to Nitesh, who is injured in a road accident:

A) which was injured

C) as he was to injure

D) who was injured

• question_answer197) Directions: In each question, a part of the sentence is italicized below each sentence four choices (a), (b), (c) and (d) are given. Find out the choice which can correctly substitute the italicized part of the sentence. Shela was going to the temple then Madhu came on meet her:

A) when Madhu was coming to

C) before Madhu was coining to

D) after Madhu was coming to

• question_answer198) Directions: Pick up the most effective word from the given words to fill in the blanks to make the sentence meaningful. There is no doubt that one has to keep... with the changing times:

A) himself

B) tuning

C) pace

D) oneself

• question_answer199) Directions: Pick up the most effective word from the given words to fill in the blanks to make the sentence meaningful. The passengers and crew members of the aeroplane had a...escape when it was taking off from the runway:

A) little

B) narrow

C) brief

D) large

• question_answer200) Directions: Pick up the most effective word from the given words to fill in the blanks to make the sentence meaningful. Eight scientists have... the national awards for outstanding contribution and dedication to the profession:

A) picked

B) conferred

C) bagged

D) discovered