Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2011

done CET - Karnataka Medical Solved Paper-2011

• question_answer1) If C be the capacitance and V be the electric potential, then the dimensional formula of $C{{V}^{2}}$is

A) $\left[ M{{L}^{2}}{{T}^{-2}}{{A}^{0}} \right]$

B) $\left[ ML{{T}^{-2}}{{A}^{-1}} \right]$

C) $\left[ M{}^\circ L{{T}^{-\text{ }2}}{{A}^{0}} \right]$

D) $\left[ M{{L}^{-3}}TA \right]$

• question_answer2) The displacement-time graph of two moving particles make angles of $30{}^\circ$ and $45{}^\circ$ with the JC-axis. The ratio of their velocities is A) $\sqrt{3}:2$

B) 1 : 1

C) 1 : 2

D) 1 : $\sqrt{3}$

• question_answer3) Block A of mass of 2 kg is placed over block B of mass 8 kg. The combination is placed over a rough horizontal surface. Coefficient of friction between B and the floor is 0.5. Coefficient of friction between blocks A and B is 0.4. A horizontal force of 10 N is applied on block B. The force of friction between blocks A and B is $\left( g\text{ }=\text{ }10m{{s}^{-2}} \right)$

A) 100 N

B) 40 N

C) 50 N

D) Zero

• question_answer4) The height y and the distance x along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by $y=8t-5{{t}^{2}}m$ and $x\text{ }=\text{ }6t$m, where t is in seconds. The velocity with which the projectile is projected is

A) $6\text{ }m{{s}^{-1}}$

B) $8\text{ }m{{s}^{-1}}$

C) $10\text{ }m{{s}^{-1}}$

D) $14\text{ }m{{s}^{-1}}$

• question_answer5) A body of mass 5 kg is thrown vertically up with a kinetic energy of 490 J. The height at which the kinetic energy of the body becomes half of the original value is (acceleration due to gravity$=9.8\text{ }m{{s}^{-2}}$)

A) 5 m

B) 2.5 m

C) 10 m

D) 12.5 m

• question_answer6) A solid sphere of mass m rolls down an inclined plane without slipping, starting from rest at the top of an inclined plane. The linear speed of the sphere at the bottom of the inclined plane is v. The kinetic energy of the sphere at the bottom is

A) $\frac{1}{2}m{{v}^{2}}$

B) $\frac{5}{3}m{{v}^{2}}$

C) $\frac{2}{5}m{{v}^{2}}$

D) $\frac{7}{10}m{{v}^{2}}$

• question_answer7) Two satellites of mass m and 9m are orbiting a planet in orbits of radius R. Their periods of revolution will be in the ratio of

A) 9 : 1

B) 3 : 1

C) 1 : 1

D) 1 : 3

• question_answer8) The following four wires of length L and radius r are made of the same material. Which of these will have the largest extension, when the same tension is applied?

A) L = 100 cm, r = 0.2 mm

B) L = 200 cm, r = 0.4 mm

C) L = 300 cm, r = 0.6 mm

D) L = 400 cm, r = 0.8 mm

• question_answer9) The resultant of two forces acting at an angle of $120{}^\circ$ is 10 kg-wt and is perpendicular to one of the forces. That force is

A) 10$\sqrt{3}$ kg-wt

B) 20$\sqrt{3}$ kg-wt

C) 10 kg-wt

D) $\frac{10}{\sqrt{3}}$ kg-wt

• question_answer10) Eight equal drops of water are falling through air with a steady velocity of $10\text{ }cm\text{ }{{s}^{-1}}$.If the drops combine to form a single drop big in size, then the terminal velocity of this big drop is

A) $40\text{ }cm{{s}^{-1}}$

B) $10\text{ }cm{{s}^{-1}}$

C) $30\text{ }cm{{s}^{-1}}$

D) $80\text{ }cm{{s}^{-1}}$

• question_answer11) Two capillary tubes of different diameters are dipped in water. The rise of water is

A) the same in both tubes

B) greater in the tube of larger diameter

C) greater in the tube of smaller diameter

D) independent of the diameter of the tube

• question_answer12) A perfect gas at $27{}^\circ C$is heated at constant pressure so as to double its volume. The increase in temperature of the gas will be

A) $600{}^\circ C$

B) $327{}^\circ C$

C) $54{}^\circ C$

D) $300{}^\circ C$

• question_answer13) Three identical rods A, B and C are placed end to end. A temperature difference is maintained between the free ends of A and C. The thermal conductivity of B is thrice that of C and half of that of A. The effective thermal conductivity of the system will be (${{K}_{A}}$is the thermal conductivity of rod A)

A) $\frac{1}{3}{{K}_{A}}$

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

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

D) $\frac{2}{3}{{K}_{A}}$

• question_answer14) The quantities of heat required to raise the temperatures of two copper spheres of radii ${{r}_{1}}$ and ${{r}_{2}}$ $\left( {{r}_{1}}=\text{ }1.5\text{ }{{r}_{2}} \right)$ through 1 K are in the ratio of

A) $\frac{27}{8}$

B) $\frac{9}{4}$

C) $\frac{3}{2}$

D) $1$

• question_answer15) Which one of the following is${{v}_{m}}$, -T graph for perfectly black body? ${{v}_{m}}$is the frequency of radiation with maximum intensity. T is the absolute temperature. A) A

B) B

C) C

D) D

• question_answer16) A particle executing a simple harmonic motion has a period of 6 s. The time taken by the particle to move from the mean position to half the amplitude, starting from the mean position is

A) $\frac{3}{2}s$

B) $\frac{1}{2}s$

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

D) $\frac{1}{4}s$

• question_answer17) The equation of a wave is given by y = 10 sin $\left( \frac{2\pi }{45}t+\alpha \right).$If the displacement is 5 cm at t = 0, then the total phase at t = 7.5 sis

A) $\frac{\pi }{3}$

B) $\frac{\pi }{2}$

C) $\frac{\pi }{6}$

D) $\pi$

• question_answer18) Two tuning forks A and B, produce notes of frequencies 258 Hz and 262 Hz. An unknown note sounded with A produces certain beats. When the same note is sounded with B, the beat frequency gets doubled. The unknown frequency is

A) 250 Hz

B) 252 Hz

C) 254 Hz

D) 256 Hz

• question_answer19) A wire under tension vibrates with a fundamental frequency of 600 Hz. If the length of the wire is doubled, the radius is halved and the wire is made to vibrate under one-ninth the tension. Then the fundamental frequency will become

A) 200 Hz

B) 300 Hz

C) 600 Hz

D) 400 Hz

• question_answer20) Faintest stars are called

A) zero magnitude stars

B) second magnitude stars

C) sixth magnitude stars

D) dwarfs

• question_answer21) Wavelength of given light waves in air and in a medium are $\text{6000}\overset{\text{o}}{\mathop{\text{A}}}\,$ and $\text{4000}\overset{\text{o}}{\mathop{\text{A}}}\,$ respectively. The critical angle is

A) ${{\tan }^{-1}}\left( \frac{2}{3} \right)$

B) ${{\tan }^{-1}}\left( \frac{3}{2} \right)$

C) $si{{n}^{-1}}\left( \frac{2}{3} \right)$

D) $si{{n}^{-1}}\left( \frac{3}{2} \right)$

• question_answer22) The time required for the light to pass through a glass slab (refractive index = 1.5) of thickness 4 mm is ($c=3\times 108\text{ }m{{s}^{-1}}$, speed of light in free space)

A) ${{10}^{-11}}s$

B) $2\times {{10}^{-11}}s$

C) $2\times {{10}^{11}}s$

D) $2\times {{10}^{-5}}s$

• question_answer23) A prism having refractive index 1.414 and refracting angle $30{}^\circ$ has one of the refracting surfaces silvered. A beam of light incident on the other refracting surface will retrace its path, if the angle of incidence is

A) $0{}^\circ$

B) $30{}^\circ$

C) $60{}^\circ$

D) $45{}^\circ$

• question_answer24) A planoconvex lens has a maximum thickness of 6 cm. When placed on a horizontal table with the curved surface in contact with the table surface, the apparent depth of the bottommost point of the lens is found to be 4 cm. If the lens is inverted such that the plane face of the lens is in contact with the surface of the table, the apparent depth of the centre of the plane face is found to be $\left( \frac{17}{4} \right)$ cm. The radius of curvature of the lens is

A) 68 cm

B) 75 cm

C) 128 cm

D) 34 cm

• question_answer25) Two thin lenses have a combined power of +9D. When they are separated by a distance of 20 cm, their equivalent power become $+\frac{27}{5}D.$Their individual powers (in dioptre) are

A) 1, 8

B) 2, 7

C) 3, 6

D) 4, 5

• question_answer26) Wavefront is the locus of all points, where the particles of the medium vibrate with the same

A) phase

B) amplitude

C) frequency

D) period

• question_answer27) Two monochromatic light waves of amplitudes $3A$ and $2A$ interfering at a point have a phase difference of$60{}^\circ$. The intensity at that point will be proportional to

A) $5\text{ }{{A}^{2}}$

B) $13\text{ }{{A}^{2}}$

C) $7\text{ }{{A}^{2}}$

D) $19\text{ }{{A}^{2}}$

• question_answer28) Consider the following statements in case of Youngs double slit experiment.

 (1) A slit S is necessary if we use an ordinary extended source of light. (2) A slit S is not needed if we use an ordinary but well collimated beam of light. (3) A slit S is not needed if we use a spatially coherent source of light.
Which of the above statements are correct?

A) (1), (2) and (3)

B) (1) and (2)

C) (2) and (3)

D) (1) and (3)

• question_answer29) A parallel beam of light of wavelength $\text{6000}\overset{\text{o}}{\mathop{\text{A}}}\,$gets diffracted by a single slit of width 0,3 mm. The angular position of the first minima of diffracted light is

A) $2\times {{10}^{-3}}rad~$

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

C) $1.8\times {{10}^{-3}}rad~~~$

D) $6\times {{10}^{-3}}rad$

• question_answer30) The critical angle of a certain medium is $si{{n}^{-1}}$$\left( \frac{3}{5} \right)$ The polarizing angle of the medium is

A) ${{\sin }^{-1}}\left( \frac{4}{5} \right)$

B) $ta{{n}^{-1}}\left( \frac{5}{3} \right)$

C) $ta{{n}^{-1}}\left( \frac{3}{4} \right)$

D) $ta{{n}^{-1}}\left( \frac{4}{3} \right)$

• question_answer31) Two identical charged spheres of material density $\rho$, suspended from the same point by inextensible strings of equal length make an angle $\theta$ between the strings. When suspended in a liquid of density $\sigma$the angle$\theta$remains the same. The dielectric constant K of the liquid is

A) $\frac{\rho }{\rho -\sigma }$

B) $\frac{\rho -\sigma }{\rho }$

C) $\frac{\rho }{\rho +\sigma }$

D) $\frac{\rho +\sigma }{\rho }$

• question_answer32) The electric field at a point due to an electric dipole, on an axis inclined at an angle $\theta \left( <\text{ }90{}^\circ \right)$ to the dipole axis, is perpendicular to the dipole axis, if the angle $\theta$ is

A) ${{\tan }^{-1}}\left( 2 \right)$

B) ${{\tan }^{-1}}\left( \frac{1}{2} \right)$

C) ${{\tan }^{-1}}\left( \sqrt{2} \right)$

D) ${{\tan }^{-1}}\left( \frac{1}{\sqrt{2}} \right)$

• question_answer33) In the circuit shown, the currents ${{i}_{1}}$and ${{i}_{2}}$are A) ${{i}_{1}}=1.5A$, ${{i}_{2}}=0.5\text{ }A$

B) ${{i}_{1}}=0.5A$, ${{i}_{2}}=1.5\text{ }A$

C) ${{i}_{1}}=\text{ }1\text{ }A$, ${{i}_{2}}=\text{ }3\text{ }A$

D) ${{i}_{1}}=\text{ }3\text{ }A$, ${{i}_{2}}=\text{ }1\text{ }A$

• question_answer34) In the given network, the valve of C, so that an equivalent capacitance between points A and B is $\text{3 }\!\!\mu\!\!\text{ F}$, is A) $\frac{1}{5}\mu F$

B) $\frac{31}{5}\mu F$

C) $48\mu F$

D) $36\mu F$

• question_answer35) A conductor wire having${{10}^{29}}$free electrons/ ${{m}^{3}}$carries a current of 20A. If the cross-section of the wire is$1m{{m}^{2}}$, then the drift velocity of electrons will be $\left( e=1.6\times {{1}^{-19}}C \right)$

A) $1.25\times {{10}^{-4}}m{{s}^{-1}}~$

B) $1.25\times {{10}^{-3}}m{{s}^{-1}}$

C) $1.25\times {{10}^{-5}}m{{s}^{-1}}$

D) $6.25\times {{10}^{-3}}m{{s}^{-1}}$

• question_answer36) A resistor has a colour code of green, blue, brown and silver. What is its resistance?

A) $56\,\Omega \pm 5%~$

B) $560\,\,\Omega \pm 10%$

C) $560\,\,\Omega ~\pm \text{ }5%$

D) $5600\,\,\Omega \pm \text{ }10\text{ }%$

• question_answer37) The voltage $V$and current$I$graph for a conductor at two different temperatures ${{T}_{1}}$and ${{T}_{2}}$and shown in the figure. The relation between ${{T}_{1}}$and ${{T}_{2}}$is A) ${{T}_{1}}>{{T}_{2}}$

B) ${{T}_{1}}<{{T}_{2}}$

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

D) ${{T}_{1}}=\frac{1}{{{T}_{2}}}$

• question_answer38) Consider the following statements regarding the network shown in the figure. (1) The equivalent resistance of the network between points A and B is independent of value of G. (2) The equivalent resistance of the network between points A and B is $\frac{4}{3}$ R (3) The current through G is zero.
Which of the above statements is/are true?

A) (1) alone

B) (2) alone

C) (2) and (3)

D) (1), (2) and (3)

• question_answer39) The torque required to hold a small circular coil of 10 turns, area$1m{{m}^{2}}$and carrying a current of $\left( \frac{21}{44} \right)$A in the middle of a long solenoid of ${{10}^{3}}$turns/m carrying a current of 2.5 A, with its axis perpendicular to the axis of the solenoid is Solenoid A) $1.5\times {{10}^{-6}}N-m~~~$

B) $1.5\times {{10}^{-8}}N-m$

C) $1.5\times {{10}^{+6}}N-m$

D) $1.5\times {{10}^{+8}}N-m$

• question_answer40) A particle of charge e and mass m moves with a velocity v in a magnetic field B applied perpendicular to the motion of the particle. The radius r of its path in the field is

A) $\frac{mv}{Be}$

B) $\frac{Be}{mv}$

C) $\frac{ev}{Bm}$

D) $\frac{Bv}{em}$

• question_answer41) A neutron, a proton, an electron and an $\alpha$-particle enter a region of uniform magnetic field with the same velocities. The magnetic field is perpendicular and directed into the plane of the paper. The tracks of the particles are labelled in the figure. The electron follows the track. A) A

B) B

C) C

D) D

• question_answer42) The deflection in a moving coil galvanometer is reduced to half when it is shunted with a 40$\Omega$ coil. The resistance of the galvanometer is

A) 80$\Omega$

B) 40$\Omega$

C) 20$\Omega$

D) 15$\Omega$

• question_answer43) A current of$\left( \frac{2}{\sqrt{3}} \right)A$, produces a deflection of$60{}^\circ$in a tangent galvanometer. The reduction factor is

A) $\left( \frac{2}{\sqrt{3}} \right)A$

B) $\left( \frac{2}{3} \right)A$

C) $2A$

D) $\left( \frac{3}{2} \right)A$

• question_answer44) In an AC circuit, V and $I$ are given by V=150 sin (150 t) volt and $I$= 150 $sin$$\left( 150t+\frac{\pi }{3} \right)$amp. The power dissipated in the circuit is

A) 106 W

B) 150 W

C) 5625 W

D) zero

• question_answer45) In the series L-C-R circuit shown, the impedance is A) 200$\Omega$

B) 100$\Omega$

C) 300$\Omega$

D) 500$\Omega$

• question_answer46) The energy stored in an inductor of self inductance L henry carrying a current of I ampere is

A) $\frac{1}{2}{{L}^{2}}I$

B) $\frac{1}{2}L{{I}^{2}}$

C) $L{{I}^{2}}$

D) ${{L}^{2}}I$

• question_answer47) A transformer works on the principle of

A) self - induction

B) electrical inertia

C) mutual induction

D) magnetic effect of the electrical current

• question_answer48) Flash spectrum confirms a/an

A) total solar eclipse

B) lunar eclipse

C) earthquake

D) magnetic storm

• question_answer49) The photoelectric threshold wavelength for silver is ${{\lambda }_{0}}.$The energy of the electron ejected from the surface of silver by an incident wavelength $\lambda \left( \lambda <{{\lambda }_{0}} \right)$will be

A) $hc\left( {{\lambda }_{0}}-\lambda \right)$

B) $\frac{hc}{{{\lambda }_{0}}-\lambda }$

C) $\frac{h}{c}\left( \frac{{{\lambda }_{0}}-\lambda }{\lambda {{\lambda }_{0}}} \right)$

D) $hc\left( \frac{{{\lambda }_{0}}-\lambda }{\lambda {{\lambda }_{0}}} \right)$

• question_answer50) Rutherfords atomic model could account for

A) stability of atoms

B) origin of spectra

C) the positive charged central can of an atom

D) concept of stationary orbits

• question_answer51) When an electron jumps from the orbit $n=2$ to$n=4$, then wavelength of the radiations absorbed will be (R is Rydbergs constant)

A) $\frac{16}{3R}$

B) $\frac{16}{5R}$

C) $\frac{5R}{16}$

D) $\frac{3R}{16}$

• question_answer52) The thermonuclear reaction of hydrogen inside the stars is taking place by a cycle of operations. The particular element which acts as a catalyst is

A) Nitrogen

B) Oxygen

C) Helium

D) Carbon

• question_answer53) The ratio of minimum wavelengths of Lyman and Balmer series will be

A) 1.25

B) 0.25

C) 5

D) 10

• question_answer54) The fraction of the initial number of radioactive nuclei which remain undecayed after half of a half-life of the radioactive sample is

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

B) $\frac{1}{2\sqrt{2}}$

C) $\frac{1}{2}$

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

• question_answer55) 1 curie represents

A) $3.7\times {{10}^{7}}$disintegrations per second

B) $3.7\times {{10}^{10}}$disintegrations per second

C) ${{10}^{6}}$disintegrations per second

D) 1 disintegrations per second

• question_answer56) An n-p-n transistor can be considered to be equivalent to two diodes, connected. Which of the following figures is the correct one?

A) B) C) D) • question_answer57) In the case of forward biasing of a p-n junction diode, which one of the following figures correctly depicts the direction of conventional current (indicated by an arrow mark)?

A) B) C) D) • question_answer58) An electron of mass ${{m}_{e}}$and a proton of mass ${{m}_{p}}$are moving with the same speed. The ratio of their de-Broglies wavelengths ${{\lambda }_{e}}/{{\lambda }_{p}}$ is

A) 1

B) 1836

C) $\frac{1}{1836}$

D) 918

• question_answer59) The output of given logic circuit is A) A - (B + C)

B) A . (B . C)

C) (A + B) . (A + C)

D) A + B + C

• question_answer60) If the scattering intensity of a liquid is 8 units at a wavelength of 500 nm, then the scattering intensity at a wavelength of 400 nm will be approximately

A) 13 units

B) 16 units

C) 20 units

D) 24 unit

• question_answer61) Which one of the following statements is false?

A) During roasting, moisture is removed from the ore

B) The ore is freed from almost all non-metallic impurities

C) Calcination of ore is carried out in the absence of any blast of air

D) The concentrated zinc blende is subjected to calcinatioh during its extraction by pyrometallurgy

• question_answer62) Which one of the following sets of quantum numbers represents the highest energy level in an atom?

A) $n=4,l=0,m=0,s=+\frac{1}{2}$

B) $n=3,l=1,m=1,s=+\frac{1}{2}$

C) $n=3,l=2,m=2,s=+\frac{1}{2}$

D) $n=3,l=0,m=0,s=+\frac{1}{2}$

• question_answer63) When ${{O}_{2}}$ is converted into $O_{2}^{+}$

A) both paramagnetic character and bond order increase

B) bond order decreases

C) paramagnetic character increases

D) paramagnetic character decreases and the bond order increases

• question_answer64) In chromite ore, the oxidation number of iron and chromium are respectively

A) $4-3,+2$

B) $+3,+6,$

C) $+2,+6,$

D) $+2,+3$

• question_answer65) The number of naturally occurring p-block elements that are diamagnetic is

A) $18$

B) $6$

C) $5$

D) $7$

• question_answer66) If the energies of the two photons in the ratio of $3:2$, their wavelength will be in the ratio of

A) $2:3$

B) $9:4$

C) $3:2$

D) $1:2$

• question_answer67) Which one of these is not true for benzene?

A) It forms only one type of monosubstituted product

B) There are three carbon-carbon single bonds and three carbon-carbon double bonds

C) Heat of hydrogenation of benzene is less than its theoretical value

D) The bond angle between carbon-car bonds is ${{120}^{o}}$

• question_answer68) Generally, the first ionisation energy increases along a period. But there are some exceptions. The one which is not an exception is

A) $Be$ and B

B) $Na$ and $Mg$

C) $Mg$and $Al$

D) $N$ and $0$

• question_answer69) Out of the given two compounds, the vapour pressure of B at a particular temperature is A) higher than that of A

B) lower than that of A

C) higher or lower than A depending on the size of the vessel

D) same as that of A

• question_answer70) Increasing order of carbon-carbon bond length for the following is $\underset{(A)}{\mathop{{{C}_{2}}{{H}_{4}}}}\,$ $\underset{(B)}{\mathop{{{C}_{2}}{{H}_{2}}}}\,$ $\underset{(C)}{\mathop{{{C}_{6}}{{H}_{6}}}}\,$ $\underset{(D)}{\mathop{{{C}_{2}}{{H}_{6}}}}\,$

A) $C<B<A<D$

B) $B<C<A<D$

C) $D<C<A<B$

D) $B<A<C<D$

• question_answer71) A mixture of $CaC{{l}_{2}}$ and $NaCl$ weighing 4.44 g is treated with sodium carbonate solution to precipitate all the calcium ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of $CaO$. The percentage of $NaCl$ in the mixture is (atomic mass of$Ca=40$)

A) $75$

B) $31.5$

C) $40.2$

D) $25$

• question_answer72) $50c{{m}^{3}}$of $0.2N\text{ }HCl$is titrated against$~0.1\text{ }N\,\,NaOH$ solution. The titration was discontinued after adding $50c{{m}^{3}}$of $NaOH$. The remaining titration is completed by adding $0.5N\text{ }KOH$. The volume of $KOH$ required for completing the titration is

A) $12c{{m}^{3}}$

B) $10c{{m}^{3}}$

C) $21.0c{{m}^{3}}$

D) $16.2c{{m}^{3}}$

• question_answer73) The rms velocity of hydrogen is $\sqrt{7}$ times the rms velocity of nitrogen. If T is the temperature of the gas, which of the following is true?

A) ${{T}_{{{H}_{2}}}}=\sqrt{7}{{T}_{{{N}_{2}}}}$

B) ${{T}_{{{N}_{2}}}}={{T}_{{{H}_{2}}}}$

C) ${{T}_{{{N}_{2}}}}=\sqrt{7}{{T}_{{{H}_{2}}}}$

D) ${{T}_{{{N}_{2}}}}=2{{T}_{{{H}_{2}}}}$

• question_answer74) 25 g of each of the following gasses are taken at ${{27}^{o}}C$and 600 mm pressure. Which of these will have the least volume?

A) $HCl$

B) $HBr$

C) $HI$

D) $HF$

• question_answer75) The amount of heat evolved when $500c{{m}^{3}}$of $0.1M\text{ }HCl$is mixed with $200c{{m}^{3}}$of $0.2M$ $NaOH$is

A) $2.292\text{ }kJ$

B) $1.292\text{ }kJ$

C) $22.9\text{ }kJ$

D) $0.292\text{ }kJ$

• question_answer76) The enthalpy of vaporization of benzene is $+35.3\text{ }kJ/mol$at its boiling point,${{80}^{o}}C$. The entropy change in the transition of vapour to liquid at its boiling point is

A) $-100$

B) $+100$

C) $+342$

D) $-342$

• question_answer77) Based on the first law of thermodynamics, which one of the following is correct?

A) For an isothermal process, $Q=+W$

B) For an isochoric process, $\Delta U=-Q$

C) For an adiabatic process, $\Delta U=-W$

D) For a cyclic process, $Q=-W$

• question_answer78) Consider the following gaseous equilibria with equilibrium constants ${{K}_{1}}$ and ${{K}_{2}}$ respectively, $S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)S{{O}_{3}}(g)$ $2S{{O}_{3}}(g)2S{{O}_{2}}(g)+{{O}_{2}}(g)$ The equilibrium constants are related as

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

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

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

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

• question_answer79) During the adsorption of krypton on activated charcoal at low temperature

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

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

C) $\Delta H>0$ and $\Delta S>0$

D) AH < 0 and $\Delta S>0$

• question_answer80) For the reversible reaction, $A(s)+B(g)$$A(s)+B(g)C(g)+D(g),$ $\Delta {{G}^{o}}=-350kJ,$ which one of the following statements is true?

A) The reaction is thermodynamically non-feasible

B) The entropy change is negative.

C) Equilibrium constant is greater than one

D) The reaction should be instantaneous

• question_answer81) . Identify B and D in the following sequence of reactions. A) methanol and bromoethane

B) ethyl hydrogen sulphate and alcoholic$KOH$

C) ethyl hydrogen sulphate and aqueous $KOH$

D) ethanol and alcoholic $KOH$

• question_answer82) The compound which gives turbidity immediately with Lucas reagent at room temperature is

A) butan-1-ol

B) butan-2-ol

C) 2-methyl propan-2-ol

D) 2-methyl propan-1-ol

• question_answer83) Ethyl benzene cannot be prepared by

A) Wurtz reaction

B) Wurtz-Fittig reaction

C) Friedel-Craffs reaction

D) Clemmensen reduction

• question_answer84) 1.2 g of organic compound of Kjeldahlization liberates ammonia which consumes $30c{{m}^{3}}$ of$1N\text{ }HCl$. The percentage of nitrogen in the organic compound is

A) $30$

B) $35$

C) $46.67$

D) $20.8$

• question_answer85) Carbon cannot reduce $F{{e}_{2}}{{O}_{3}}$ to Fe at a temperature below 983 K because

A) free energy change for the formation of $CO$ is more negative than that of $F{{e}_{2}}{{O}_{3}}$

B) $CO$ is thermodynamically more stable than $F{{e}_{2}}{{O}_{3}}$

C) carbon has higher affinity towards oxygen than iron

D) iron has higher affinity towards oxygen than carbon

• question_answer86) The yellow precipitate formed during the chromyl chloride test is chemically

A) chromic acid

D) sodium chromate

• question_answer87) $1g$of silver gets distributed between $10c{{m}^{3}}$ of molten zinc and $100c{{m}^{3}}$of molten lead at${{800}^{o}}C$. The percentage of silver still left in the lead layer is approximately

A) $2$

B) $5$

C) $3$

D) $1$

• question_answer88) Which one of the following is true?

A) $NaOH$ is used in the concentration of bauxite ore

B) $NaOH$ is a primary standard in volumetric analysis

C) Manganous hydroxide is soluble in excess of $NaOH$ solution

D) $NaOH$solution does not react with $Cl$

• question_answer89) In Ramsay and Rayleighs isolation of noble gases from air, the nitrogen of the air is finally converted into

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

B) $NO$and $N{{O}_{2}}$

C) $NaN{{O}_{3}}$only

D) $NaN{{O}_{2}}$ and $NaN{{O}_{3}}$

• question_answer90) The spin only magnetic moment of $F{{e}^{2+}}$ ion (in BM) is approximately

A) $4$

B) $7$

C) $5$

D) $6$

• question_answer91) The IUPAC name of the complex $[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]Cl$is

A) dichloro tetraammine cobalt (III) chloride

B) tetraammine dichloro cobalt (III) chloride

C) tetraammine dichloro cobalt (II) chloride

D) tetraammine dichloro cobalt (IV) chloride

• question_answer92) Excess of silver nitrate solution is added to $100mL$of $0.01M$pentaaqua chloro chromium (III) chloride solution. The mass of silver chloride obtained in grams is [Atomic mass of silver is 108].

A) $287\times {{10}^{-3}}$

B) $143.5\times {{10}^{-3}}$

C) $143.5\times {{10}^{-2}}$

D) $287\times {{10}^{-2}}$

• question_answer93) The folllowing data were obtained during the first order decomposition of $2A(g)\to B(g)+C(s)$at a constant volume and at a particular temperature

 S. no. Time Total pressure in Pascal 1. At the end of 10 min 300 2. After completion 200
The rate constant in $mi{{n}^{-1}}$is

A) $0.0693$

B) $69.3$

C) $6.93$

D) $6.93\times {{10}^{-4}}$

• question_answer94) The time required for 100% completion of a zero order reaction is

A) $ak$

B) $\frac{a}{2k}$

C) $\frac{a}{2k}$

D) $\frac{2k}{a}$

• question_answer95) The activation energy of a reaction at a given temperature is found to be $2.303RT\text{ }J\text{ }mo{{l}^{-1}}$. The ratio of rate constant to the Arrhenius factor is

A) $0.01$

B) $0.1$

C) $0.02$

D) $0.001$

• question_answer96) pH value of which one of the following is not equal to one?

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

B) $0.1M\,HN{{O}_{3}}$

C) $0.05M\,{{H}_{2}}S{{O}_{4}}$

D) $50c{{m}^{3}}0.4M\text{ }HCl+50c{{m}^{3}}\text{ }0.2M\text{ }NaOH$

• question_answer97) A buffer solution contains $0.1$ mole of sodium acetate dissolved in $1000c{{m}^{3}}$of $0.1M$acetic acid. To the above buffer solution, $0.1mole$of sodium acetate is further added and dissolved. The pH of the resulting buffer is

A) $p{{k}_{a}}$

B) $p{{k}_{a}}+2$

C) $p{{k}_{a}}-\log 2$

D) $p{{k}_{a}}+\log 2$

• question_answer98) ${{H}_{2}}S$ is passed into one $n{{m}^{3}}$of a solution containing 0.1 mole of $Z{{n}^{2+}}$ and $0.01$mole of $C{{u}^{2+}}$ till the sulphide ion concentration reaches to $8.1\times {{10}^{-19}}$ moles. Which one of the following statements is true? [${{K}_{sp}}$ of $ZnS$ and $CuS$ are $3\times {{10}^{-22}}$ and $8\times {{10}^{-36}}$respectively.]

A) Only $ZnS$ precipitates

B) Both $CuS$ and $ZnS$ precipitate

C) Only $CuS$ precipitates

D) No precipitation occurs

• question_answer99) ${{E}_{1}},{{E}_{2}}$ and ${{E}_{3}}$ are the emfs of the following three galvanic cells respectively. [a] $Zn(s)|Z{{n}^{2+}}(0.1M)||C{{u}^{2+}}(1M)|Cu(s)$ [b] $Zn(s)|Z{{n}^{2+}}(1M)||C{{u}^{2+}}(1M)|Cu(s)$ [c] $Zn(s)|Z{{n}^{2+}}(1M)||C{{u}^{2+}}(0.1M)|Cu(s)$ Which one of the following is true?

A) ${{E}_{2}}>{{E}_{1}}>{{E}_{3}}$

B) ${{E}_{1}}>{{E}_{2}}>{{E}_{3}}$

C) ${{E}_{3}}>{{E}_{1}}>{{E}_{2}}$

D) ${{E}_{3}}>{{E}_{2}}>{{E}_{1}}$

• question_answer100) $0.023g$of sodium metal is reacted with $100c{{m}^{3}}$of water. The pH of the resulting solution is

A) $10$

B) $8$

C) $9$

D) $12$

• question_answer101) The standard emf of a galvanic cell involving moles of electrons in its redox reaction is $0.59V$. The equilibrium constant for the redox reaction of the cell is

A) ${{10}^{20}}$

B) ${{10}^{5}}$

C) $10$

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

• question_answer102) $9.65C$of electric current is passed through fused alhydrous $MgC{{l}_{2}}$. The magnesium metal thus obtained is completely converted into a Grignard reagent. The number of moles of Grignard reagent obtained is

A) $5\times {{10}^{-4}}$

B) $1\times {{10}^{-4}}$

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

D) $1\times {{10}^{-5}}$

• question_answer103) The empirical formula of a non-electrolyte is $C{{H}_{2}}O$. A solution containing $3g$ of the compound exerts the same osmotic pressure as that of $0.05M$glucose solution. The molecular formula of the compound is

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

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

C) ${{C}_{4}}{{H}_{8}}{{O}_{4}}$

D) ${{C}_{3}}{{H}_{6}}{{O}_{3}}$

• question_answer104) Which one of the following is a covalent crystal?

A) Rock salt

B) Ice

C) Quartz

D) Dry ice

• question_answer105) Which one of the following does not involve coagulation?

A) Clotting of blood by the use of ferric chloride

B) Formation of delta region

C) Treatment of drinking water by potash alum

D) Peptization

• question_answer106) A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows

A) negative deviation from Raoulfs law

B) positive deviation from Raoulfs law

C) no deviation from Raoults law

D) positive or negative deviation from Raoulfs law depending upon the composition

• question_answer107) Which one of the nitrogen atoms in ${{H}_{2}}\underset{I}{\mathop{N}}\,-\underset{II}{\mathop{N}}\,H-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-\underset{III}{\mathop{N}}\,{{H}_{2}}$ is the most nudeophilic?

A) III

B) I

C) II

D) All three nitrogen atoms are equally strong nudeophilic centres

• question_answer108) The maximum number of possible optical isomers in l-bromo-2-methyl cydobutane is

A) $4$

B) $2$

C) $8$

D) $16$

• question_answer109) Which one of the following is the most energetic conformation of cydohexane?

A) Boat

B) Twisted boat

C) Chair

D) Half chair

• question_answer110) Which one of the following is an intermediate in the reaction of benzene with $C{{H}_{3}}Cl$ in the presence of anhydrous $AlC{{l}_{3}}$?

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

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

C) $CH_{3}^{+}$

D) • question_answer111) Which one of the following is not true for the hydrolysis of t-butyl bromide with aqueous $NaOH$?

A) Reaction occurs through the ${{S}_{N}}1$ mechanism

B) The intermediate formed is a carbocation

C) Rate of the reaction doubles when the concentration of alkali is doubled

D) Rate of the reaction doubles when the concentration of t-butyl bromide is doubled

• question_answer112) Following is the substitution reaction which $-CN$ replaces $-Cl$. $R-Cl+\underset{(alcoholic)}{\mathop{KCN}}\,\xrightarrow[\Delta ]{}R-CN+KCl$ To obtain propanenitrile, $R-Cl$ should be

A) chloroethane

B) 1-chloropropane

C) chloromethane

D) 2-chloropropane

• question_answer113) The conversion of m-nitrophenol to resorcinol involves respectively

A) hydrolysis, diazotization and reduction

B) diazotization, reduction and hydrolysis

C) hydrolysis, reduction and diazotization

D) reduction, diazotization and hydrolysis

• question_answer114) Formic acid is a stronger acid than acetic acid. This can be explained using

A) $+M$effect

B) $-I$ effect

C) $+I$ effect

D) $-M$ effect

• question_answer115) The reagent with which both acetaldehyde and acetone react is

A) Fehlings solution

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

C) Tollens reagent

D) carbonic acid

• question_answer116) Which of the following gives an aldehyde on dry distillation?

A) Calcium formate + calcium acetate

B) Calcium acetate + calcium benzoate

C) Calcium acetate

D) Calcium benzoate

• question_answer117) $\alpha$-maltose consists of

A) one a-D-glucopyranose unit and one p-D-glucopyranose unit with 1-2 glycosidic linkage

B) two a-D-glucopyranose units with 1-2 glycosidic linkage

C) two P-D-glucopyranose units with 1-4 glycosidic linkage

D) two a-D-glucopyranose units with 1-4 glycosidic linkage

• question_answer118) Which one of the following does not correctly match with each other?

A) Silk-polyamide

B) Lipase-enzyme

C) Butter-fat

D) Oxytocin-enzyme

• question_answer119) In an alkaline medium, glycine predominantly exists as/in a/an

A) cation

B) anion

C) Zwitterion

D) covalentform

• question_answer120) The IUPAC name of is

A) but-3-enoic acid

B) but-1-enoic acid

C) pent-4-enoic acid

D) prop-2-enoic acid

• question_answer121) Four children belonging to the same parents have the following blood groups A, B, AB and Hence, the genotypes of the parents are

A) both parents are homozygous for A group

B) one parent is homozygous for A and another parent is homozygous for B

C) one parent is heterozygous for A and another parent is heterozygous for B

D) Both parents are homozygous for B group

• question_answer122) Mitotic stages are not observed in

A) Cosmarium

B) E. coli

C) Saccharomyces

D) Chlorella

• question_answer123) The types of ribosomes found in prokaryotic cells are

A) 100 S

B) 80 S

C) 60 S

D) 70 S

• question_answer124) The name of Smt. Thimmakka is associated with the

A) planting and conservation of avenue trees

B) agitations against hydroelectric projects

C) Appiko movement

D) conservation of fauna and flora of the western ghats

• question_answer125) Dog distemper is a disease carried by a

A) bacterium

B) viroid

C) prion

D) virus

• question_answer126) When a fresh water protozan is placed in marine water the

A) the contractile vacuole disappears

B) the contractile vacuole increases in size

C) a number of contractile vacuoles appear

D) the contractile vacuole remains unchanged

• question_answer127) The 2005 Nobel Prize for Physiology/Medicine was awarded to Barry Marshall and Robin Warren of Australia for their discovery of

A) human papilloma virus causing cervical cancer

B) bacterium Helicobactor pylori causing peptic ulcer

C) prions, a new biological principle of infection

D) human immunodeficiency virus

• question_answer128) The following is the diagram of TS of anther. Identify the parts labelled as A, B and C. A) A - Connective, B - Endothecium,C - Pollen grain

B) A - Endothecium, B - Connective, C - Pollen grain

C) A - Pollen grain, B - Connective, C - Endothecium

D) A - Endothecium, B - Pollen grain, C - Connective

• question_answer129) Pick the mammal with true placenta.

A) Kangaroo

B) Echidna

C) Platypus

D) Mongoose

• question_answer130) Which one of the following is correct?

A) Introns are present in mRNA and exons are present in tRNA

B) Codons are present in mRNA and anticodons in t-RNA

C) Every intron is a set of three terminator codons

D) Exons are present in eukaryotes while introns are present in prokaryotes

• question_answer131) Casparian strips are present in the ......... of the root.

A) epiblema

B) cortex

C) pericycle

D) endodermis

• question_answer132) How do you differentiate a frog from a toad?

A) Frog has no exoskeleton but toad has scales

B) Frog respires through lungs but toad respires through skin

C) Frog has a tail but toad has no tail.

D) Frog has no parotid glands but toad has a pair of parotid glands

• question_answer133) Column I contains larval stages and Column II contains the group to which it belongs. Match them correctly and choose the right answer.

 Column I Column II A. Planula 1. Annelida B. Tomaria 2. Mollusca C. Trochophore 3. Arthropoda D. Bipinnaria 4. Chordata E. Glochidium 5. Echinodermata 6. Coelenterata

A) A-6 B-4 C-1 D- 5 E-2

B) A-2 B-3 C-1 D- 4 E-6

C) A-5 B-4 C-3 D- 2 E-1

D) A-4 B-3 C- 2 D- 1 E-5

• question_answer134) Read the following statements A and B.

 A: Many organs of aquatic plants float in water. B: Large air gaps are present in the collenchyma tissues of lotus leaf.
Select the correct answer.

A) Statement A is correct and B is wrong

B) Statement B is correct and A is wrong

C) Statements A and B are correct

D) Statements A and B are wrong

• question_answer135) Arrange the following in the ascending order of Linnaean hierarchy.

A) Kingdom - Order - Species - Genus - Class- Family - Phylum

B) Kingdom - Family - Genus - Species - Class - Phylum - Order

C) Kingdom - Phylum - Class - Order - Family - Genus - Species

D) Species - Genus - Family - Order - Class - Phylum - Kingdom

• question_answer136) Animals which possess cleidoic eggs exhibit

A) external fertilization and internal development

B) internal fertilization and internal development

C) internal fertilization and external development

D) external fertilization and external development

• question_answer137) The diagram given below represents the histology of a striped muscle. Label the parts A, B, C, D, E and F. A) A - Sarcoplasm, B - Nucleus, C - Sarcolemma, D - Myofibril, E - Dark band F - Light band

B) A - Sarcoplasm, B - Light band, C - Myofibril, D - Sarcolemma, E - Nucleus, F - Dark band

C) A - Light band, B - Sarcoplasm, C - Myofibril, D - Sarcolemma, E - Nucleus, F - Dark band

D) A - Sarcolemma, B - Nucleus, C - Dark band, D - Light band, E - Sarcoplasm, F - Myofibril

• question_answer138) Populations are said to be allopatric when

A) they are physically isolated by natural barriers

B) they are sharing the same area but cannot interbreed

C) they live together and breed freely to produce viable offspring

D) they are isolated but often come together for breeding

• question_answer139) The World Intellectual Property Day is observed on

A) February, 29th

B) June, 30th

C) April, 26th

D) September, 5th

• question_answer140) Which one of the following is an example of chlorophyllous thallophyte?

A) Volvariella

B) Spirogyra

C) Nephrolepis

D) Gnetum

• question_answer141) Pinus belongs to the class

A) Gnetopsida

C) Coniferopsida

D) Sphenopsida

• question_answer142) With reference to enzymes, which one of the following statements is true?

A) Apoenzyme = Holoenzyme + Coenzyme

B) Holoenzyme = Apoenzyme + Coenzyme

C) Coenzyme = Apoenzyme + Holoenzyme

D) Holoenzyme = Coenzyme - Apoenzyme

• question_answer143) Gametophyte is the dominant phase in the life-cycle of

A) Hibiscus

B) Nephrolepis

C) Cycos

D) Riccia

• question_answer144) In a tyical Mendelian cross, which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the F2 generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is

A) 10 : 6

B) 12 : 4

C) 9 : 7

D) 15 : 1

• question_answer145) A balanced diet does not include

A) carbohydrates and fats

B) nucleic acids and enzymes

C) proteins and vitamins

D) minerals and salts

• question_answer146) Match the types of the fruits listed in Column I, with the examples listed in Column II. Choose the answer which gives the correct combination of the two columns.

 Column I Column II A. Capsule 1. Paddy B. Berry 2. Mango C. Drupe 3. Sunflower D. Cypsela 4. Tomato 5. Ladies finger

A) A- 5 B-4 C-2 D-3

B) A-5 B-3 C-1 D-2

C) A-4 B-5 C-2 D-3

D) A-1 B-2 C-3 D-5

• question_answer147) In genetic code, 61 codons code for 20 different types ofamino acids. This is called

A) colinearity

B) commaless

C) degeneracy

D) non-ambiguity

• question_answer148) By the statement, survival of the fittest Darwin meant that

A) the strongest of all species survives

B) the most intelligent of the species survives

C) the cleverest of the species survives

D) the most adaptable of the species to changes survives

• question_answer149) zhich one of the following plants is considered lesser known species of food crops?

A) Psophocarpus tetragonolobus

B) Sorghum vulgaris

C) Eleusine coracana

D) Pennisetum typhoides

• question_answer150) When 2 to 3 drops of Benedicts reagent are added to a urine sample and heated gently, it turns yellow. This colour change indicates that

A) urine contains 2% glucose

B) urine contains 0.5% glucose

C) urine contains 1.5% glucose

D) urine contains 1% glucose

• question_answer151) Bt brinjal is an example of transgenic crops. In this, Bt refers to

A) Bacillus tuberculosis

B) Biotechnology

C) Beta carotene

D) Bacillus thuringiensis

• question_answer152) Which one of the following is not an antitranspirant?

A) PMA

B) BAP

C) Silicon oil

D) Low viscosity

• question_answer153) The brainstem is made up of

A) midbrain, pons, cerebellum

B) midbrain, pons, medulla oblongata

C) forebrain, pons, cerebellum

D) cerebellum, cerebrum, medulla oblongata

• question_answer154) The loosely arranged non-chlorophyllous parenchyma cells present in lenticels are called

A) complementary cells

B) passage cells

C) water stomata

D) albuminous cells

• question_answer155) Column I contains terms and Column II contains definitions. Match them correctly and choose the right answer.

 Column I Column II A. Parturition 1.Attachment of zygote to endometrium. B. Gestation 2. Release of egg from Graafian follicle. C. Ovulation 3. Delivery of baby from uterus. D. Implantation 4. Duration between pregnancy and birth. E. Conception 5. Formation of zygote by fusion of the egg and sperm. 6. Stoppage of ovulation and menstruation.

A) A-2 B-4 C-1 D- 5 E-3

B) A-4 B-3 C-1 D-5 E-2

C) A-5 B-1 C-2 D- 3 E-4

D) A-3 B- 4 C-2 D- 1 E-5

• question_answer156) CAM pathway is observed in

A) pineapple

B) maize

C) sunflower

D) sugarcane

• question_answer157) The number of ATP produced when a molecule of glucose undergoes fermentation is

A) 4

B) 36

C) 2

D) 38

• question_answer158) Silk produced by Antheraea mylitta is also called

A) muga silk

B) tassar silk

C) eri silk

D) Mysore silk

• question_answer159) Which of the following hormones is a steroid?

A) Oestrogen

B) Insulin

C) Glucagon

D) Thyroxine

• question_answer160) More men suffer from colour blindness than women because

A) women are more resistant to disease than men

B) the male sex hormone testosterone causes the disease

C) the colour blind gene is carried on the Y chromosome

D) men are hemizygous and one defective gene is enough to make them colour blind

• question_answer161) Which of the following theories on the origin of life is mostly accepted?

A) Special creation

C) Panspermia

D) Chemical origin

• question_answer162) The rosette habit of cabbage can be changed by application of

A) IAA

B) GA

C) ABA

D) ethaphon

• question_answer163) Effective filtration pressure in glomerulus is caused due to

A) powerful pumping action of the heart

B) secretion of adrenalin

C) afferent arteriole is slightly larger than efferent arteriole

D) vacuum develops in proximal convoluted tubule and sucks the blood

• question_answer164) Banana bunchy top virus is transmitted through

A) Pentalonia nigronervosa

B) Aedes aegypti

C) Culexsp

D) Agrobacterium sp

• question_answer165) In a tissue culture media, the resource of the phytohormone is

A) agar agar

B) glucose

C) micronutrients

D) coconut milk

• question_answer166) With reference to the pituitary, which of the following statements is true?

A) Neurohypophysis secretes vasopressin and oxytocin

B) Neurohypophysis secretes TSH and STH,

C) Neurohypophysis collects and stores vasopressin and oxytocin

D) Adenohypophysis secretes vasopressin and oxytocin

• question_answer167) Column I contains some terms and Column II contains their meanings. Match them properly and choose the right answer.

 Column I Column II A. Glycogenesis 1. Conversion of glycogen to glucose. B. Glycosuria 2. Conversion of glucose to glycogen. C. Glyconeogenesis 3. Excretion of glucose in urine. D. Glycogenolysis 4. Conversion of non-carbohydrate sources to glucose. 5. Conversion of glucose to starch.

A) A -1 B-2 C-3 D-4

B) A -2 B-3 C-4 D-1

C) A -2 B- 1 C-3 D- 4

D) A -1 B- 5 C- 2 D-4

• question_answer168) The term genetic RNA refers to

A) genetic material of RNA viruses

B) the RNA that carries genetic message

C) the RNA that helps gene regulation in lac-operon

D) the RNA present in mitochondria

• question_answer169) As per the guidelines of the Indian Red Cross Society, which of the following persons is recommended for blood donation?

A) People not in good health, under the influence of alcohol or drugs

B) Ladies during menstruation, pregnancy and breast feeding

C) Heathy women but unwed and below the age of 35

D) Persons who are immunized with live vaccines

• question_answer170) In a typical heart, if EDV is 120 mL of blood and ESV is 50 mL of blood. The stroke volume (SV) is

A) 120 - 50 = 70 mL

B) 120 + 50 = 170 mL

C) 120 x 50 = 6000 mL

D) 120 - 50 = 2.4 Ml

• question_answer171) The term southern blotting refers to

A) transfer of DNA fragments from in vitro cellulose membrane to electrophoresis gel

B) attachment of probes to DNA fragments

C) transfer of DNA fragments from electrophoresis gel to nitrocellulose sheet

D) comparison of DNA fragments from two sources

• question_answer172) In some chordates, the notochord is modified as the vertebral column, such animals are called vertebrates. Which of the following statements make sense?

A) All chordates are vertebrates but all vertebrates are not chordates

B) All vertebrates are chordates and all chordates are vertebrates

C) All vertebrates are chordates but all chordates are not vertebrates

D) Chordates are not vertebrates and vertebrates are not chordates

• question_answer173) A clone is a group of

A) genetically similar organisms produced through asexual reproduction

B) genetically similar organisms produced through sexual reproduction

C) dissimilar organisms produced as a result of asexual reproduction

D) genetically dissimilar organisms produced as a result of sexual reproduction

• question_answer174) The space between the plasma membrane and the cell wall of a plasmolyzed cell surrounded by a hypertonic solution is occupied by the

A) hypotonic solution

B) isotonic solution

C) hypertonic solution

D) water

• question_answer175) When the blood contains a high percentage of $C{{O}_{2}}$and a very low percentage of${{O}_{2}}$, the breathing stops and the becomes unconcious. This condition is known as

A) suffocation

B) asphyxia

C) emphycema

D) eupnoea

• question_answer176) Which one of the following in not related to guttation?

A) Water is given out in the form of droplets

B) Water given out is impure

C) Water is given out during daytime

D) Guttation is of universal occurrence

• question_answer177) The force responsible for upward conduction of water against gravity comes from

A) transpiration

B) photosynthesis

C) translocation

D) respiration

• question_answer178) Column I contains names of the sphinter muscles of the alimentary canal and Column II contains their locations. Match them properly and choose the correct answer.

 Column I Column II A. Sphincter of ani internus 1. Opening of hepatopancrearic duct into duodenum. B. Cardiac sphincter 2. Between duodenum and posterior stomach. C. Sphincter of Oddi 3. Guarding the terminal part of alimentary canal. D. Ileocaecal sphincter 4. Between oesophagus and anterior stomach. E. Pyloric sphincter 5. Between small intestine and bowel.

A) A-3 B-2 C-4 D-1 E-5

B) A-2 B-5 C-1 D-4 E-3

C) A-3 B-4 C-1 D-5 E-2

D) A-4 B-3 C-1 D-2 E-5

• question_answer179) Which one of the following reactions is an example of oxidative decarboxylation?

A) Conversion of succinate to fumerate

B) Conversion of fumerate to malate

C) Conversion of pyruvate to acetyl Co-A

D) Conversion of citrate to isocitrate

• question_answer180) Chemiosmosis hypothesis given by Peter Mitchell proposes the mechanism of

A) synthesis of NADH

B) synthesis of ATP

C) synthesis of FADH2

D) synthesis of NADPH

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