# Solved papers for JIPMER Jipmer Medical Solved Paper-2009

### done Jipmer Medical Solved Paper-2009

• question_answer1) In radioactive decay process, the negatively charged emitted $\text{-}$particles are

A) the electrons present inside the nucleus

B) the electrons produced as a result of the decay of neutrons inside the nucleus

C) the electrons produced as a result of collisions between atoms

D) the electrons orbiting around the nucleus

• question_answer2) The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Youngs double-slit experiment, is

A) infinite

B) five

C) three

D) zero

• question_answer3) Two spherical conductors B and C having equal radii and carrying equal charges in them repel each other with a force F when kept apart at some distance. A third spherical conductor having same radius as that of B but uncharged, is brought in contact with B, then brought in contact with C and finally removed away from both. The new force of repulsion between B and C is

A) $\frac{F}{4}$

B) $\frac{3F}{4}$

C) $\frac{F}{8}$

D) $\frac{3F}{8}$

• question_answer4) In gamma ray emission from a nucleus

A) both the neutron number and the proton number change

B) there is no change in the proton number and the neutron number

C) only the neutron number changes

D) only the proton number changes

• question_answer5) A particle starting from the origin (0, 0) moves in a straight line in the $(x,y)$ plane. Its coordinates at a later time are $(\sqrt{3,}3.)$. The path of the particle makes with the x-axis an angle of

A) $30{}^\circ$

B) $45{}^\circ$

C) $60{}^\circ$

D) $0{}^\circ$

• question_answer6) A wheel has angular acceleration of $3.0\text{ }rad\text{/}{{s}^{2}}$and an initial angular speed of 2.00 rad/s. In a time of 2 s it has rotated through an angle (in radian) of

A) 6

B) 10

C) 12

D) 4

• question_answer7) The resistance of an ammeter is 13$\Omega$ and its scale is graduated for a current upro 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

A) 20$\Omega$

B) 2$\Omega$

C) 0.2$\Omega$

D) 2k$\Omega$

• question_answer8) Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius R with constant speed v. The time period of the motion

A) depends on v and not on R

B) depends on both R and v

C) is independent of both R and v

D) depends on R and not on v

• question_answer9) The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux $\phi$ linked with the primary coil is given by$\phi ={{\phi }_{0}}+4t,$ where $\phi$ is in weber, t is time in second and${{\phi }_{0}}$ is a constant, the output voltage across the secondary coil is

A) 90V

B) 120V

C) 220V

D) 30V

• question_answer10) The frequency of a light wave in a material is $2\times {{10}^{14}}Hz$ and wavelength is$5000\,\overset{\text{o}}{\mathop{\text{A}}}\,$. The refractive index of material will be

A) 1.40

B) 1.50

C) 3.00

D) 1.33

• question_answer11) A car moves from X to Y with a uniform speed ${{v}_{u}}$ and returns to Y with a uniform speed ${{v}_{d}}.$ The average speed for this round trip is

A) $\frac{2{{v}_{d}}{{v}_{u}}}{{{v}_{d}}+{{v}_{u}}}$

B) $\sqrt{{{v}_{u}}{{v}_{d}}}$

C) $\frac{{{v}_{d}}{{v}_{u}}}{{{v}_{d}}+{{v}_{u}}}$

D) $\frac{{{v}_{u}}+{{v}_{d}}}{2}$

• question_answer12) A particle executes simple harmonic oscillation with an amplitude $a.$ The period of oscillation is T. The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is

A) $\frac{T}{4}$

B) $\frac{T}{8}$

C) $\frac{T}{12}$

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

• question_answer13) A block B is pushed momentarily along a horizontal surface with an initial velocity v. If $\mu$ is the coefficient of sliding friction between B and the surface, block B will come to rest after a time

A) $\frac{v}{g\mu }$

B) $\frac{g\mu }{v}$

C) $\frac{g}{v}$

D) $\frac{v}{g}$

• question_answer14) Two radioactive substances A and B have decay constants $5\lambda$ and $\lambda$ respectively. At t = 0 they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be ${{\left( \frac{1}{e} \right)}^{2}}$after a time interval

A) $\frac{1}{4\lambda }$

B) $4\lambda$

C) $2\lambda$

D) $\frac{1}{2\lambda }$

• question_answer15) A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the main current is 0.5 A, the efficiency of the transformer is approximately

A) 30%

B) 50%

C) 90%

D) 10%

• question_answer16) A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $\mu$ is given by

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

B) $qv{{R}^{2}}$

C) $\frac{qv{{R}^{2}}}{2}$

D) $qvR$

• question_answer17) A steady current of 1.5 A flows through a copper voltameter for 10 min. If the electrochemical equivalent of copper is $30\times {{10}^{-5}}g\,{{C}^{-1}},$ the mass of copper deposited on the electrode will be

A) 0.40 g

B) 0.50 g

C) 0.67 g

D) 0.27 g

• question_answer18) In a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potential V and then made to describe semicircular paths of radius R using a magnetic field B. If V and B are kept constant, The ratio$\left( \frac{\text{charge}\,\text{on}\,\text{the}\,\text{ion}}{\text{mass}\,\text{of}\,\text{the}\,\text{ion}} \right)$will be proportional to

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

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

C) ${{R}^{2}}$

D) $R$

• question_answer19) Three resistances P, Q, R each of $2\Omega$ and an unknown resistance S form the four arms of a Wheatstones bridge circuit. When a resistance of $6\Omega$ is connected in parallel to S the bridge gets balanced. What is the value of S?

A) $2\Omega$

B) $3\Omega$

C) $6\Omega$

D) $1\Omega$

• question_answer20) Two satellites of earth, ${{S}_{1}}$ and ${{S}_{2}},$ are moving in the same orbit. The mass of ${{S}_{1}}$ is four times the mass of ${{S}_{2}}.$ Which one of the following statements is true?

A) The time period of${{S}_{1}}$is four times that of${{S}_{2.}}$

B) The potential energies of earth and satellite in the two cases are equal

C) ${{S}_{1}}$and${{S}_{2}}$are moving with the same speed

D) The kinetic energies of the two satellites are equal

• question_answer21) An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?

A) Zero

B) 0.5%

C) 5%

D) 20%

• question_answer22) A coil of inductance 300 mH and resistance$2\Omega$ is connected to a source of voltage 2 V. The current reaches half of its steady state value in

A) 0.05 s

B) 0.1 s

C) 0.15 s

D) 0.3 s

• question_answer23) The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let ${{D}_{1}}$ and ${{D}_{2}}$be angles of minimum deviation for red and blue light respectively in a prism of this glass, then,

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

B) ${{D}_{1}}={{D}_{2}}$

C) ${{D}_{1}}$ can be less than or greater than${{D}_{2}}$ depending upon the angle of prism

D) ${{D}_{1}}>{{D}_{2}}$

• question_answer24) A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle goes up is

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

B) $-1.25\,J$

C) $1.25\text{ }J$

D) $0.5\text{ }J$

• question_answer25) A mass of M kg is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of $45{}^\circ$ with the initial vertical direction is

A) $Mg(\sqrt{2}+1)$

B) $Mg\sqrt{2}$

C) $\frac{Mg}{\sqrt{2}}$

D) $Mg(\sqrt{2}-1)$

• question_answer26) A force of$-F\,\hat{k}$ acts on O, the origin of the coordinate system. The torque about the point$(1,-1)$ is

A) $F\,(\mathbf{\hat{i}}-\mathbf{\hat{j}})$

B) $-F\,(\mathbf{\hat{i}}+\mathbf{\hat{j}})$

C) $F\,(\mathbf{\hat{i}}+\mathbf{\hat{j}})$

D) $-F\,(\mathbf{\hat{i}}-\mathbf{\hat{j}})$

• question_answer27) If M0 is the mass of an oxygen isotope$_{8}{{O}^{17}},$${{M}_{P}}$and ${{M}_{n}}$ are the masses of a proton and a neutron, respectively, the nuclear binding energy of the isotope is

A) $({{M}_{0}}-8{{M}_{P}}){{c}^{2}}$

B) $({{M}_{0}}-9{{M}_{n}}){{c}^{2}}$

C) ${{M}_{0}}{{c}^{2}}$

D) $({{M}_{0}}-17{{M}_{n}}){{c}^{2}}$

• question_answer28) A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of

A) 1000

B) 10000

C) 10

D) 100

• question_answer29) Which of the following parameters does not characterize the thermodynamic state of matter?

A) Temperature

B) Pressure

C) Work

D) Volume

• question_answer30) A charged oil drop is suspended in unifor m field of $3\times {{10}^{4}}\,V\text{/}m$so that it neither falls nor rises. The charge on the drop will be (Take the mass of the charge $=9.9\times {{10}^{-15}}kg$and$g=10\,m\text{/}{{s}^{2}}$)

A) $3.3\times {{10}^{-18}}C$

B) $3.2\times {{10}^{-18}}C$

C) $1.6\times {{10}^{-18}}C$

D) $4.8\times {{10}^{-18}}C$

• question_answer31) Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current $I$, would be

A) $\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{2}}}{{\text{T}}^{\text{-3}}}{{\text{I}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }$

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

C) $[M{{L}^{2}}{{T}^{-1}}{{I}^{-1}}]$

D) $\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{2}}}{{\text{T}}^{\text{-3}}}{{\text{I}}^{-2}}\text{ }\!\!]\!\!\text{ }$

• question_answer32) An alpha nucleus of energy $\frac{1}{2}\,m{{v}^{2}}$ bombards a heavy nuclear target of charge Ze. Then the distance of closest approach for the alpha nucleus will be proportional to

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

B) $1/m$

C) $1/{{v}^{4}}$

D) $1/Ze$

• question_answer33) The work of 146 kJ is performed in order to compress one kilo mole of a gas adiabatically and in this process the temperature of the gas increases by$7{}^\circ C$. The gas is $\left( R=8.3\,J\,mo{{1}^{-1}}{{K}^{-1}} \right)$

A) diatomic

B) triatomic

C) a mixture of monoatomic and diatomic

D) monoatomic

• question_answer34) Diwali rocket is ejecting 50 g of gasses at a velocity of 400 m/s. The accelerating force on the rocket will be

A) 22 dyne

B) 20 N

C) 20 dyne

D) 100 N

• question_answer35) A frame made of metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50%, the energy of the soap film will be changed by

A) 100%

B) 75%

C) 50%

D) 25%

• question_answer36) Mercury boils at $367{}^\circ C$. However, mercury thermometers are made such that they can measure temperature upto $500{}^\circ C$. This is done by

A) maintaining vacuum above mercury column in the stem of the thermometer

B) filling nitrogen gas at high pressure above the mercury column

C) filling oxygen gas at high pressure above the mercury column

D) filling nitrogen gas at low pressure above the mercury column

• question_answer37) In a laboratory four convex lenses ${{L}_{1,}}{{L}_{2,}}{{L}_{3}}$ and ${{L}_{4}}$ of focal lengths 2, 4, 6 and 8 cm, respectively are available. Two of these lenses form a telescope of length 10 cm and magnifying power 4. The objective and eye lenses are respectively

A) ${{L}_{2,}}{{L}_{3}}$

B) ${{L}_{1,}}{{L}_{4}}$

C) ${{L}_{1,}}{{L}_{2}}$

D) ${{L}_{4,}}{{L}_{1}}$

• question_answer38) A symmetric double convex lens is cut in two equal parts by a plane perpendicular to the principal axis. If the power of the original lens is 4D, the power of a cut lens will be

A) 2D

B) 3D

C) 4D

D) 5D

• question_answer39) For a metallic wire, the ratio $\frac{V}{i}$ (V = applied potential difference and i = current flowing) is

A) independent of temperature

B) increases as the temperature rises

C) decreases as the temperature rises

D) increases or decreases as temperature rises depending upon the metal

• question_answer40) The potential energy of a molecule on the surface of a liquid compared to one inside the liquid is

A) zero

B) lesser

C) equal

D) greater

• question_answer41) Which of the following is not correct?

A) Hydrolysis of $NC{{l}_{3}}$ gives $N{{H}_{3}}$ and $HOCl$

B) $N{{H}_{3}}$ is less stable than$P{{H}_{3}}$

C) $N{{H}_{3}}$ is a weak reducing reagent compared to $P{{H}_{3}}$

D) Nitric oxide in solid state exhibits diamagnetic property

• question_answer42) $Si{{O}_{2}}$ is reacted with sodium carbonate. What is the gas liberated?

A) $CO$

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

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

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

• question_answer43) The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate, are

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

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

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

D) $C{{H}_{4}}$and $C{{O}_{2}}$

• question_answer44) Which of the following is not correct regarding the elecolytic preparation of${{H}_{2}}{{O}_{2}}$?

A) Lead is used as cathode

B) 50% ${{H}_{2}}S{{O}_{4}}$is used

C) Hydrogen is liberated at anode

D) Sulphuric acid undergoes oxidation

• question_answer45) Which of the following is correct?

A) The pH of one litre solution containing 0.49g of ${{H}_{2}}S{{O}_{4}}$ is 2.0

B) The conjugate base of ${{H}_{2}}S$ is ${{S}^{2-}}$

C) $B{{F}_{3}}$ is a Lewis base

D) Phenolphthalein is colourless in basic medium

• question_answer46) Which of the following is correct?

A) Catalyst undergoes permanent chemical change

B) Particle size of solute in true solution is ${{10}^{-3}}m$

C) Starch solution is a hydrosol

D) Hydrolysis of liquid ester in the presence of mineral acid is an example of heterogeneous catalysis reactions

• question_answer47) In an oxidation-reduction, reaction, $MnO_{4}^{-}$ ion is converted to $M{{n}^{2+}}.$ What is the number of equivalents of $KMn{{O}_{4}}$ (mol. wt. = 158) present in 250 mL of 0.04 M $KMn{{O}_{4}}$solution?

A) 0.02

B) 0.05

C) 0.04

D) 0.07

• question_answer48) Which of the following reagents converts both acetaldehyde and acetone to alkanes?

A) $Ni\text{/}{{H}_{2}}$

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

C) ${{I}_{2}}\text{/}NaOH$

D) $Zn\text{-}Hg\text{/}conc.\,HCl$

• question_answer49) The heat of formation of$CO(g)$ and $C{{O}_{2}}(g)$are $\Delta H=-110$ and$\Delta H=-393\,kJ\,mo{{l}^{-1}}$ respectively. What is the heat of reaction $(\Delta H)$ (in kJ$mo{{l}^{-1}}$) for the following reaction? $CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g)$

A) $-\,504$

B) $-\,142.5$

C) $-\,283$

D) $504$

• question_answer50) What is the wavelength (in m) of a particle of mass $6.62\times {{10}^{-29}}g$moving with a velocity of ${{10}^{3}}m{{s}^{-1}}$?

A) $6.62\times {{10}^{-4}}$

B) $6.62\times {{10}^{-3}}$

C) ${{10}^{-5}}$

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

• question_answer51) What is the electrode potential (in V) of the following electrode at $25{}^\circ C$? $N{{i}^{2+}}(0.1\,M)|\,\,Ni(s)$ (Standard reaction potential of $N{{i}^{2+}}|\,\,Ni$ is$-\,0.25\,V,\,\frac{2.303\,RT}{F}=0.06$)

A) - 0.28 V

B) - 0.34 V

C) - 0.82 V

D) - 0.22 V

• question_answer52) What is the equation for the equilibrium constant $({{K}_{c}})$ for the following reaction? $\frac{1}{2}A(g)+\frac{1}{3}B(g)\frac{2}{3}C(g)$

A) ${{K}_{c}}=\frac{{{[A]}^{1/2}}{{[B]}^{1/3}}}{{{[C]}^{3/2}}}$

B) ${{K}_{c}}=\frac{{{[C]}^{3/2}}}{{{[A]}^{2}}{{[B]}^{3}}}$

C) ${{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}{{[B]}^{1/3}}}$

D) ${{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}+{{[B]}^{1/3}}}$

• question_answer53) Which of the following can give a Grignard reagent when reacted with magnesium in dry ether?

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

B) ${{C}_{2}}{{H}_{5}}Cl$

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

D) ${{C}_{2}}{{H}_{5}}CN$

• question_answer54) Which of the following is not correct?

A) $Al$ reacts with $NaOH$ and liberate ${{H}_{2}}$

B) $AlC{{l}_{3}}$ is a Lewis acid

C) $Al$ is used in the manufacture of electrical cables

D) $NaOH$ is used during Halls process of purification of bauxite

• question_answer55) A 0.5 g/L solution of glucose is found to be isotonic with a 2.5 g/L solution of an organic compound. What will be the molecular weight of that organic compound?

A) 300

B) 600

C) 900

D) 200

• question_answer56) t-butyl chloride preferably undergo hydrolysis by

A) ${{S}_{N}}$ 1 mechanism

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

C) Any of (a) and (b)

D) None of these

• question_answer57) Oxidation state of oxygen in ${{F}_{2}}O$ is

A) +1

B) -1

C) +2

D) -2

• question_answer58) To dissolve argentite ore which of the following is used?

A) $Na\,[Ag{{(CN)}_{2}}]$

B) $NaCN$

C) $NaCl$

D) $HCl$

• question_answer59) If 50% of a radioactive substance dissociates in 15 min, then the time taken by substance to dissociate 99% will be

A) 50 min

B) 100 min

C) 99 min

D) 150 min

• question_answer60) H-O-H bond angle in ${{H}_{2}}O$ is $104.5{}^\circ$and not $109{}^\circ \,28$ because of

A) lone pair-lone pair repulsion

B) lone pair-bond pair repulsion

C) bond pair-bond pair repulsion

D) high electronegativity of oxygen

• question_answer61) The reaction, ${{C}_{6}}{{H}_{5}}CHO+C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\xrightarrow{{}}$${{C}_{6}}{{H}_{5}}CH=CHCOO{{C}_{2}}{{H}_{5}}$ is called

A) Benzoin condensation

B) Claisen condensation

C) Cahnizaros reaction

D) Perkin reaction

• question_answer62) The best method to separate the mixture of ortho and para nitrophenol (1 :1) is

A) vaporisation

B) colour spectrum

C) distillation

D) crystallization

• question_answer63) lodoform gives a precipitate with $AgN{{O}_{3}}$ on heating but chloroform does not because

A) C - I bond in iodoform is weak and C - Cl bond in chloroform is strong

B) chloroform is covalent

C) iodoform is ionic

D) None of the above

• question_answer64) What are the values of ${{n}_{1}}$ and ${{n}_{2}}$ respectively for ${{H}_{\beta }}$ line in the Lyman series of hydrogen atomic spectrum 44?

A) 3 and 5

B) 2 and 3

C) 1 and 3

D) 2 and 4

• question_answer65) The homologue of ethyne is

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

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

C) ${{C}_{3}}{{H}_{8}}$

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

• question_answer66) A $0.1$ aqueous solution of a weak acid is 2% ionised. If the ionic product of water is $1\times {{10}^{-4}},$ the $[O{{H}^{-}}]$ is

A) $5\times {{10}^{-12}}M$

B) $2\times {{10}^{-3}}M$

C) $1\times {{10}^{-14}}M$

D) None of these

• question_answer67) Which of the following does not have coordinate bond?

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

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

C) ${{H}_{2}}S{{O}_{3}}$

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

• question_answer68) The total number of orbitals in the fifth energy level is

A) 5

B) 10

C) 18

D) 25

• question_answer69) The most probable velocity (in cm/s) of hydrogen molecule at $27{}^\circ C$ will be

A) $19.3\times {{10}^{4}}$

B) $17.8\times {{10}^{4}}$

C) $24.93\times {{10}^{9}}$

D) $17.8\times {{10}^{8}}$

• question_answer70) In III group precipitation, $N{{H}_{4}}Cl$ is added before adding $N{{H}_{4}}OH$ to

A) decrease cone. Of $O{{H}^{-}}$

B) prevent interference of $PO_{4}^{3-}$

C) increase cone. of $C{{l}^{-}}$

D) increase cone. of $O{{H}^{-}}$ion

• question_answer71) Steel is heated to below red heat and then, cooled slowly. The process refers to

A) hardening

B) annealing

C) tempering

D) nitriding

• question_answer72) What is the wave number of 4th line in Balmer series of hydrogen spectrum? (R =1, 09, 677 $c{{m}^{-1}}$).

A) 24,630 $c{{m}^{-1}}$

B) 24,360 $c{{m}^{-1}}$

C) 24,730 $c{{m}^{-1}}$

D) 24, 372 $c{{m}^{-1}}$

• question_answer73) 9.2 g ${{N}_{2}}{{O}_{4}}$ is heated in a 1 L vessel till equilibrium state is established ${{N}_{2}}{{O}_{4}}(g)2N{{O}_{2}}(g)$ In equilibrium state 50%${{N}_{2}}{{O}_{4}}$was dissociated, equilibrium constant will be (mol. wt. of ${{N}_{2}}{{O}_{4}}=92$)

A) 0.1

B) 0.4

C) 0.3

D) 0.2

• question_answer74) Disperse phase and dispersion medium in butter are respectively:

A) solid and liquid

B) liquid and solid

C) liquid and liquid

D) solid and solid

• question_answer75) Which of the following carbonates decomposes readily at low temperatures?

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

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

C) $L{{i}_{2}}C{{O}_{3}}$

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

• question_answer76) The atomic number of an element M is 26. How many electrons are present in the M-shell of the element in its ${{M}^{3+}}$state?

A) 11

B) 15

C) 14

D) 13

• question_answer77) In which of the following pairs, both molecules possess dipole moment?

A) $C{{O}_{2}},\,S{{O}_{2}}$

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

C) ${{H}_{2}}O,\,S{{O}_{2}}$

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

• question_answer78) Which one of the following reactions is called Rosenmund reaction?

A) Aldehydes are reduced to alcohols

B) Acids are converted to acid chlorides

C) Alcohols are reduced to hydrocarbons

D) Acid chlorides are reduced to aldehydes

• question_answer79) During, acetylation of amines, what is replaced by acetyl group?

A) Hydrogen atom attached to nitrogen atom

B) One or more hydrogen atoms attached to carbon atom

C) One or more hydrogen atoms attached to nitrogen atom

D) Hydrogen atoms attached to either carbon atom or nitrogen atom

• question_answer80) Which is used in alcoholic beverages?

A) Methanol

B) Ethanol

C) Phenol

D) Glycerol

• question_answer81) Jumping genes in maize were discovered by

A) Hugo de Vries

B) Barbara McClintock

C) T H Morgan

D) Mendel

• question_answer82) Streptomycin is obtained from

A) Streptomyces griseus

B) S. aureofaciens

C) S. venezuelae

D) S. ramosus

• question_answer83) Indusium is found in

A) algae

B) ferns

C) moss

D) Cycas

• question_answer84) The vacuole is lined by a membrane called

A) tonoplast

B) jacket

C) cell membrane

D) tonoplasm

• question_answer85) Agar-agar is obtained from

A) Chlorella

B) Spirogyra

C) Ulothrix

D) Gelidium

• question_answer86) DNA element with ability to change position is called

A) cistron

B) transposon

C) intron

D) recon

A) UUU

B) UGA

C) AUG

D) UAG

• question_answer88) DNA multiplication is called

A) translation

B) replication

C) transduction

D) transcription

• question_answer89) Duramen is present in

A) inner region of secondary wood

B) part of sap wood

C) outer region of secondary wood

D) region of pericycle

• question_answer90) In plants, water supply is due to

A) osmosis

B) imbibition

C) guttation

• question_answer91) Most of the economically important fibre yielding plants belong to family

A) Malvaceae

B) Solanaceae

C) Cruciferae

D) Poaceae

A) ester

B) acid

C) monohydric alcohol

D) cholesterol

• question_answer93) Which is always present in photochemical smog?

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

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

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

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

• question_answer94) In cell cycle, during which phase, chromosomes are arranged in equatorial plate?

A) Metaphase

B) Anaphase

C) Telophase

D) Prophase

• question_answer95) The soil which is transported by wind is known as

A) colluvial

B) eolian

C) alluvial

D) glacial soil

A) tubulin

B) humulin

C) intermediate filament

D) flagellin

• question_answer97) Lichen is the pioneer vegetation on which succession?

A) Hydrosere

B) Lithosere

C) Psammosere

D) Xerosere

• question_answer98) In Pinus, male cone bears a large number of

A) ligules

B) anthers

C) micro-sporophylls

D) mega- sporophylls

• question_answer99) Induction of flowering by low temperature treatment is

A) Vernalization

B) cryobiology

C) photoperiodism

D) pruning

A) autotrophs

B) autoheterotrophs

C) organotrophs

D) heterotrophs

• question_answer101) Cleavage polyembryony occurs in

A) Pinus

B) Mini Cycas

C) Cycas

D) Ephedra

• question_answer102) Edible part of mushroom is

A) basidiocarp

B) secondary mycelium

C) primary mycelium

D) tertiary mycelium

• question_answer103) Calyptra is derived from

A) archegonia

B) capsule

C) antheridia

D) columella

• question_answer104) Clamp connections are observed in

A) Basidiomycetes

B) Zygomycetes

C) Ascomycetes

D) Oomycetes

• question_answer105) What is the main cause for the extinction of some species in tropical forest?

A) Deforestation

B) Afforestation

C) Pollution

D) Soil erosin

• question_answer106) Most accepted theory for ascent of sap is

A) capillarity theory

B) root pressure theory

C) pulsation theory

D) transpiration pull

• question_answer107) Which of the following is not the feature of gymnosperms?

A) Parallel venation

B) Perennial plants

C) Distinct branches (long and short branches)

D) Xylem with vessels

• question_answer108) The presence of diversity at the junction of territories of two different habitats is known as

A) bottle neck effect

B) edge effect

C) junction effect

D) Pasteur effect

• question_answer109) In which form does the food transported in plants?

A) Sucrose

B) Fructose

C) Glucose

D) Lactose

• question_answer110) In Cycas, pollination takes place in

A) 3 celled stage

B) 4 celled stage

C) 2 celled stage

D) 1 celled stage

• question_answer111) The bioassay of auxin is

A) avena curvature test

B) callus formation

C) culture of fungus

D) seed dormancy

• question_answer112) A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?

A) Introns

B) Exons

C) Both (a) and (b)

D) None of these

• question_answer113) L-shaped chromosomes are also called

A) acrocentric

B) telocentric

C) sub- metacentric

D) None of these

• question_answer114) Which of the following is/are grouped under phanerogams?

A) Angiosperms

B) Gymnosperms

C) Pteridophytes

D) Both (a) and (b)

• question_answer115) A bacterium divides after every 35 min., if a culture containing 10s cells per ml is grown, then cell concentration per ml after 175 min will be

A) $175\times {{10}^{5}}$

B) $125\times {{10}^{5}}$

C) $48\times {{10}^{5}}$

D) $32\times {{10}^{5}}$

• question_answer116) Which of the following theory gives the latest explanation for the closure of stomata?

A) ABA theory

B) Munch theory

C) Starch glucose theory

D) Active ${{K}^{+}}$ transport theory

• question_answer117) Biological concept of species is mainly based on

A) reproductive isolation

B) morphological features only

C) methods of reproduction only

D) morphology and methods of reproduction

• question_answer118) In the treatment of waste water discharge, which treatment stage involves biological treatment?

A) Primary treatment

B) Secondary treatment

C) Tertiary treatment

D) Reverse osmosis stage

• question_answer119) Nucellus forms which of the following part of fruit?

A) Seed coat

B) Perisperm

C) Seed

D) Raphe

• question_answer120) If root of a flowering plant has 24 chromosomes, then its gamete has how many chromosomes?

A) 24

B) 12

C) 4

D) 8

• question_answer121) The trisomy for 21st chromosome is called

A) Downs syndrome

B) Turners syndrome

C) Sickle cell anaemia

D) Klinefelters syndrome

• question_answer122) Which of the following is the largest gland in an adult man?

A) Thymus

B) Liver

C) Thyroid

D) Pancreas

• question_answer123) In Pheretima, septa are absent between which segments?

A) 3/4 and 9/10

B) 4/5 and 8/9

C) 5/6 and 7/8

D) 7/8 and 6/7

• question_answer124) During emergency which of the following hormone is secreted?

A) Aldosterone

B) Thyroxine

D) Calcitonin

• question_answer125) In cockroach, larval and nymphal characters are maintained by

A) ecdysone

B) salivary glands

C) parotid gland

D) juvenile hormone

• question_answer126) Which of the following is a transparent tissue?

A) Tendon

B) Fibrous cartilage

C) Hyaline cartilage

D) All of these

• question_answer127) Rh factor is present in

A) all vertebrates

B) all mammals

C) all reptiles

D) man and rhesus monkey only

• question_answer128) In rabbit, end of a long bone is connected in another by

A) tendon

B) ligaments

C) muscle

D) cartilage

• question_answer129) Which of the following cell type is capable of giving rise to other cell types in sponges?

A) Thesocytes

B) Pinacocytes

C) Cnidocytes

D) Archaeocytes

• question_answer130) Thigmotaxis is not shown by

A) Paramecium

B) Amoeba

C) Ascaris

D) Hydra

• question_answer131) Which is correctly matched?

A) Apiculture - Honeybee

B) Pisciculture - Silk moth

C) Sericulture - Fish

D) Aquaculture - Mosquito

• question_answer132) Animals having a built in thermostat to maintain constant body temperature are known as

A) biothermic

B) poikilothermic

C) oligothermic

D) homeothermic

• question_answer133) The intermediate host of Schistosoma is

A) snail

B) mosquito

C) housefly

D) sheep

• question_answer134) The vitamin which is essential for blood clotting is

A) vitamin-A

B) vitamin-B

C) vitamin-C

D) vitamin-K

• question_answer135) The female genital pore of Pheretima posthuma located upon the segment

A) 14th

B) 16th

C) 18th

D) 15th

• question_answer136) Polyp phase is absent in

A) Hydra

B) Aurelia

C) Physalia

D) Obelia

• question_answer137) In frog heart, there are cardiac muscles which consists of fibres called

A) Purkinje fibres

B) myonemes

C) telodendria

D) columnae carnae

A) excretory organs of insects

B) excretory organs of frog

C) respiratory organs of insects

D) endocrine glands of insects

• question_answer139) LH and FSH are collectively called

A) oxytocin

B) somatotropins

C) luteotropic

• question_answer140) Which of the following provides most evident proof of evolution?

A) Fossils

B) Morphology

C) Embryo

D) Vestigial organs

• question_answer141) In Mollusca, eye is present over a stalk, called

A) ostracum

B) operculum

C) ommatophores

• question_answer142) Turbellarians are free living

A) nematodes

B) cestodes

C) flat worms

D) trematodes

• question_answer143) The characteristic larva of phylum- Coelenterata is

A) planula

B) cysticercus

C) rhabdiform

D) wriggler

A) vas deferens

B) cauda epididymis

C) gubernaculum

D) caput epididymis

• question_answer145) In blood, $C{{O}_{2}}$ in transported majorly as

A) sodium carbonate

B) carboxy haemoglobin

C) bicarbonate

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

• question_answer146) Animals undergoes inactive stage during winter, is known as

A) aesrivation

B) hibernation

D) acclimatization

• question_answer147) Kupffer cells are present in

A) liver

B) small intestine

C) pancreas

D) thyroid gland

• question_answer148) The embryo at 16 celled stage is known as

A) morula

B) gastrula

C) blastula

D) blastomere

• question_answer149) Contractile vacuole in protozoan Amoeba is meant for

A) respiration

B) excretion

C) locomotion

D) osmoregulation

• question_answer150) Which of the following is important for muscle contraction and nerve impulse transmission?

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

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

C) Both (a) and (b)

D) $F{{e}^{2+}}$ ions

• question_answer151) Which one is component of Ormthine cycle?

A) Ornithine, citrulline and alanine

B) Ornithine, citrulline and arginine

C) Amino acid are not used

D) Ornithine, citruiline and fumaric acid

• question_answer152) Chromosome complement with 2n - 1 is called

A) monosomy

B) nullisomy

C) trisomy

D) tetrasomy

• question_answer153) Which of the following is not vestigial in man?

A) Tail vertebrae

B) Nails

C) Nictitating membrane

D) Vermiform appendix

• question_answer154) Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as

A) antibiosis

B) commensalism

C) predation

D) parasitism

• question_answer155) The group of Anamniota includes

A) reptiles and birds

B) birds and mammals

C) fishes an amphibians

D) reptiles and mammals

• question_answer156) The excretory material of bony fish is

A) urea

B) protein

C) ammonia

D) amino acid

• question_answer157) The leucocytes contain which of the following in large quantity?

A) Basophils

B) Neutrophils

C) Eosinophils

D) Monocytes

• question_answer158) During inspiration, the diaphragm

A) expands

B) shows no change

C) contracts and flattens

D) relaxes to become dome-shaped

• question_answer159) The function of pineal body is to

A) lighten the skin colours

B) control sexual behaviour

C) regulates the period of puberty

D) All of the above

A) 29 vertebrae

B) 3 vertebrae

C) 16 vertebrae

D) single vertebrae

• question_answer161) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the given idiom/phrase. A pipe dream

A) A pleasant dream

C) An impracticable plan

D) A foolish idea

• question_answer162) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the given idiom/phrase. To give up the ghost

A) To die

B) To make false appearance

C) To terrify others by acting in suspicious manner

D) To leave useless pursuits

• question_answer163) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the given idiom/phrase. To disabuse ones mind

A) To conceal something

B) To remove a misapprehension

C) To banish from ones mind a thought

D) To proceed cautiously so as to avoid risks and dangers

• question_answer164) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the given idiom/phrase. To wrangle over an asss shadow

A) To act in a foolish way

B) To quarrel over trifles

C) To waste time fron petty things

D) To do something funny

• question_answer165) Directions: In each of the following questions, choose the alternative which best expresses the meaning of the given idiom/phrase. To be at daggers drawn

A) To be frightened

B) To be ready to face danger

C) To threaten one

D) To be bitter enemy

• question_answer166) Directions: Choose the correct alternative to fill in the blank. According to corporate circles, Datta is pushing through the merger to create a financially ___ company in the processed foods business, the groups thrust area for the 1990s.

A) straight

B) powerful

D) acceptable

• question_answer167) Directions: Choose the correct alternative to fill in the blank. A man who is well-bred and honourable in-variably shows __ for the feelings of other people.

A) complacence

B) concern

C) consideration

D) contempt

• question_answer168) Directions: Choose the correct alternative to fill in the blank. You will have to face some practical problems when you start __ this plan.

A) prosecuting

B) projecting

C) prescribing

D) proscribing

• question_answer169) Directions: Choose the correct alternative to fill in the blank. Speeding and blocking are traffic offences which lead to __ accidents.

A) winsome

B) urban

C) gruesome

D) minor

• question_answer170) Directions: Choose the correct alternative to fill in the blank. The more your action and thought are allied and __, the happier you grow.

A) invincible

B) divergent

C) integrated

D) unraveled

• question_answer171) Directions: In each of the following questions, rearrange the parts P, Q, R and S to make a proper sentence. Around the world, painful terminal diseases/(P), the question of human death/(Q), people are wrestling with /(R), especially in the face of/(S)

A) R S Q P

B) P Q R S

C) R Q S P

D) P S Q R

• question_answer172) Directions: In each of the following questions, rearrange the parts P, Q, R and S to make a proper sentence. The specific, ability requirements of the job/(P), depend on the/(Q), required for adequate job performance/(R), intellectual or physical abilities/CS)

A) P Q R S

B) S R Q P

C) P R Q S

D) S Q R P

• question_answer173) Directions: In each of the following questions, rearrange the parts P, Q, R and S to make a proper sentence. Freedom, is the restricted kind in the sense/(P), the rich and the poor woman/(Q), that a wide gulf separates/(R), which a modem woman enjoys/(S)

A) P S R Q

B) S R Q P

C) R Q P S

D) S P R Q

• question_answer174) Directions: In each of the following questions, rearrange the parts P, Q, R and S to make a proper sentence. In life, some rules are/ (P), as in business/(Q),they seem almost instinctive/(R), learnt so early that/(S)

A) R S P Q

B) Q P S R

C) R P S Q

D) Q S P R

• question_answer175) Directions: In each of the following questions, rearrange the parts P, Q, R and S to make a proper sentence. Kapil, left in an aeroplane/(P), after reading a sailing magazine/(Q), had decided/(R), to build his own boat nine years earlier/ (S)

A) P R Q S

B) R S Q P

C) R Q P S

D) P S R Q

B) was to have gladly accompanied

D) No improvement

D) No improvement

• question_answer178) He enjoys to tell stories to children.

A) how to tell stories

B) telling stories

C) to narrate stories

D) No improvement

• question_answer179) It is unreasonable to distort the statement of a man simply because he does not agree with your opinions.

A) discourage

B) denounce

C) bend

D) No improvement

A) As

B) Should

C) Unless

D) No improvement

• question_answer181) Directions: In each of the following questions, choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. The rancous shouts of the audience forced the management to call off the show.

A) unpleasant

B) Unpleasant loud

C) harsh

D) harmful

• question_answer182) Directions: In each of the following questions, choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. At the Hardy house there was great consternation when Aunt Gertrude saw Joe helping Frank up the stairs.

A) surprise

B) panic

C) gaity

D) anxiety

• question_answer183) Directions: In each of the following questions, choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. Methods of spreading the family planning message have been as/fecund as they have been abortive.

A) fruitful

B) failing

C) peculiar

D) false

• question_answer184) Directions: In each of the following questions, choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. Now the fury of the demonstrators turned against the machines.

A) asperity

B) passion

C) rage

D) acrimony

• question_answer185) Directions: In each of the following questions, choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. Everyone who has worked for him hammers home that point because they feel that it is widely unappreciated.

A) hints

B) stresses

C) strikes

D) directs

• question_answer186) Directions: In each of the following questions, choose the alternative which is opposite in meaning to the word given in italics in the sentence. Here debonair manners were noticed by everyone present in the city.

A) stiff

B) cheerless

C) courteous

D) pleasant

• question_answer187) Directions: In each of the following questions, choose the alternative which is opposite in meaning to the word given in italics in the sentence. Like poverty, affluence can sometimes create its own problems.

A) sorrow

B) indigence

C) exuberance

D) opulence

• question_answer188) Directions: In each of the following questions, choose the alternative which is opposite in meaning to the word given in italics in the sentence. It is surprising to find her condoning such an act.

A) disparaging

B) condemning

C) disliking

D) forbidding

• question_answer189) Directions: In each of the following questions, choose the alternative which is opposite in meaning to the word given in italics in the sentence. He proved utterly capricious in his dealings with his friends.

C) understanding

D) obstinate

• question_answer190) Directions: In each of the following questions, choose the alternative which is opposite in meaning to the word given in italics in the sentence. As long as he remained in that office, he maintained his hegemony.

A) predominance

B) poverty

C) subordination

D) chaos

• question_answer191) Directions: In each of the following questions, choose the alternative which can be substituted for the given words/sentence. Medical study of the skin and its diseases

A) Dermatology

B) Orthopaedics

C) Venereology

D) Homeopathy

• question_answer192) Directions: In each of the following questions, choose the alternative which can be substituted for the given words/sentence. Code of diplomatic etiquette and precedence

A) Formalism

B) Statesmanship

C) Protocol

D) Hierarchy

• question_answer193) Directions: In each of the following questions, choose the alternative which can be substituted for the given words/sentence. The branch of medical science which deals with the problems of the old

A) Oncology

B) Geriatric

C) Obstetrics

D) Endocrinol

• question_answer194) Directions: In each of the following questions, choose the alternative which can be substituted for the given words/sentence. One who promotes the idea of absence of government of any kind, when every man should be a law unto himself

A) Anarchist

B) Belligerent

C) Iconoclast

D) Agnostic

• question_answer195) Directions: In each of the following questions, choose the alternative which can be substituted for the given words/sentence. Design made by putting together colored pieces of glass or stones

A) Oleograph

B) Mosaic

C) Tracery

D) Relief

• question_answer196) Which one of the following statements is true?

A) An engine-driver is cleverer than Plato or Socrates.

B) Plato or Socrates is in no way inferior to the engine-driver.

C) Plato and Socrates surpassed the engine-driver in every respect.

D) The engine-driver cannot be compared to Plato or Aristotle.

• question_answer197) In this passage the author mentions Plato and/or Socrates to emphasise that

A) they are/were men of great scholarship.

B) people as individuals in the modern age are not more advanced than their predecessors.

C) the engine is a better mode of locomotion than Platos chariot.

D) Plato and Aristotle had greater respect for learning.

• question_answer198) According to the author, the present age is far more advanced than

A) all the previous ages in some respect.

B) the age of Socrates and Aristotle in some respects.

C) some of the previous ages in all respects.

D) all the previous ages in all respects.

• question_answer199) Many of us make use of machines

A) with very little knowledge of their mechanism

B) without any knowledge of their historical significance.

C) with full knowing of their genesis.

D) without knowing how they were invented.

• question_answer200) People today are very proud because they live

A) in a philosophically advanced age.

B) in a materially advanced age.

C) in a scientifically advanced age.

D) in a spiritually advanced age.