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Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2004

done CET - Karnataka Medical Solved Paper-2004

  • question_answer1) The difference between the apparent frequency of a source of sound as perceived by the observer during its approach and recession is 2% of the frequency of the source. If the speed of sound in air is\[300\text{ }m{{s}^{-1}}\], the velocity of the source is:

    A) \[1.5m{{s}^{-1}}\]

    B) \[12m{{s}^{-1}}\]

    C) \[6\text{ }m{{s}^{-1}}\]

    D) \[3\text{ }m{{s}^{-1}}\]

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  • question_answer2) Three long straight wires A, B and C are carrying currents as shown in figure. Then the resultant force on B is directed:

    A) perpendicular to the plane of paper and outward

    B) perpendicular to the plane of paper and inward

    C) towards A

    D) towards C

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  • question_answer3) Curie - Weiss law is obeyed by iron:

    A) at Curie temperature only

    B) at all temperatures

    C) below Curie temperature

    D) above Curie temperature

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  • question_answer4) A magnet N-S is suspended from a spring and when it oscillates, the magnet moves in and out of the coil C. The coil is connected to a galvanometer G. Then, as the magnet oscillates:

    A) G shows no deflection

    B) G shows deflection to the left and right but the amplitude steadily decreases

    C) G Shows deflection to the left and right with constant amplitude

    D) G shows deflection on one side.

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  • question_answer5) The dimensional formula for inductance is:

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

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

    C) \[\left[ M{{L}^{2}}{{T}^{-1}}{{A}^{-2}} \right]\]

    D) \[\left[ M{{L}^{2}}{{T}^{-2}}{{A}^{-1}} \right]\]

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  • question_answer6) The maximum current that can be measured by a galvanometer of resistance 40\[\Omega \], is 10 mA. It is converted into a voltmeter that can read upto 50 V. The resistance to be connected in series with the galvanometer (in ohms) is:

    A) 2010

    B) 4050

    C) 5040

    D) 4960

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  • question_answer7) The spectrum obtained from the chromosphere of the sun at the time of total solar eclipse is:

    A) line emission spectrum

    B) band emission spectrum

    C) continuous emission spectrum

    D) line absorption spectrum

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  • question_answer8) Heavy water is:

    A) compound of deuterium and oxygen

    B) water at \[4{}^\circ C\]

    C) water, in which soap does not lather

    D) compound of heavy oxygen and heavy hydrogen

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  • question_answer9) The nuclear reactor at Kaiga is a:

    A) research reactor

    B) fusion reactor

    C) breeder reactor

    D) power reactor

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  • question_answer10) When a body moves in a circular path, no work is done by the force since:

    A) force and displacement are perpendicular to each other

    B) the force is always away from the centre

    C) there is no displacement

    D) there is no net force

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  • question_answer11) A bullet moving with a speed of \[100\text{ }m{{s}^{-1}}\] can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

    A) 6

    B) 10

    C) 4

    D) 8

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  • question_answer12) Two bodies of masses 1 kg and 2 kg have equal momentum. Then, the ratio of their kinetic energies is:

    A) 2 : 1

    B) 3 : 1

    C) 1 : 3

    D) 1 : 1

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  • question_answer13) Absorption coefficient of an open window is:

    A) 1

    B) 0.25

    C) zero

    D) 0.5

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  • question_answer14) The loudness and pitch of a sound note depend on:

    A) intensity and velocity

    B) frequency and velocity

    C) intensity and frequency

    D) frequency and number of harmonics

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  • question_answer15) In Meldes experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the string are in the ratio:

    A) 2 : 1

    B) 4 : 1

    C) 1 : 1

    D) 1 : 2

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  • question_answer16) An electron is accelerated through a potential difference of 45.5 volt. The velocity acquired by it is (in\[m{{s}^{-1}}\]):

    A) \[{{10}^{6}}\]

    B) zero

    C) \[4\times {{10}^{6}}~~\]

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

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  • question_answer17) An unknown resistance \[{{R}_{1}}\]is connected in series with a resistance of 10\[\Omega \]. This combination is connected to one gap of a metre bridge while a resistance \[{{R}_{2}}\]is connected in the other gap. The balance point is at 50 cm. Now, when the 10\[\Omega \] resistance is removed the balance point shifts to 40 cm. The value of \[{{R}_{1}}\] is (in ohms):

    A) 20

    B) 10

    C) 60

    D) 40

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  • question_answer18) In the circuit shown, the internal resistance of the cell is negligible. The steady state current in the 2\[\Omega \]. resistor is:

    A) 0.6 A

    B) 1.2 A

    C) 0.9 A

    D) 1.5 A

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  • question_answer19) A rectangular coil of 300 turns has an average area of\[25cm\times 10cm\]. The coil rotates with a speed of 50 cps in uniform magnetic field of strength \[4\times {{10}^{-2}}\]T about an axis perpendicular to the field. The peak value of the induced emf is (in volt)

    A) 300\[\pi \]

    B) 3000\[\pi \]

    C) 3\[\pi \]

    D) 30\[\pi \]

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  • question_answer20) In an LCR circuit the potential difference between the terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V and that between the terminals of resistance is 40 V. The supply voltage will be equal to:

    A) 130 V

    B) 10 V

    C) 50 V

    D) 70 V

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  • question_answer21) A vertical circular coil of radius 0.1 m and having 10 turns carries a steady current. When the plane of the coil is normal to the magnetic meridian, a neutral point is observed at the centre of the coil. If \[{{B}_{H}}\]= \[0.314\times {{10}^{-4}}\] T, the current in the coil is:

    A) 0.5 A

    B) 0.25 A

    C) 2 A

    D) 1 A

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  • question_answer22) A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion A is punctured with a pin, the thread:

    A) becomes concave towards A

    B) becomes convex towards A

    C) either [a] or [b] depending on the size of A with respect to B

    D) remains in the initial position

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  • question_answer23) Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixed. The ratio of speed of sound in the mixture to that in hydrogen is:

    A) \[\sqrt{8}\]

    B) \[\sqrt{2/17}\]

    C) \[\sqrt{1/8}\]

    D) \[\sqrt{32/17}\]

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  • question_answer24) If two waves of the same frequency and amplitude respectively on superposition produce a resultant disturbance of the same amplitude/ the waves differ in phase by:

    A) \[\pi \]

    B) zero

    C) \[\pi \]/3

    D) 2\[\pi \]/3

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  • question_answer25) A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one second. If the speed of sound in air is 340ms , die distance between the cliffs is:

    A) 680 m

    B) 1700 m

    C) 340 m

    D) 1620 m

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  • question_answer26) A beam of light of wavelength 600 nm from a source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is:

    A) 2.4 cm

    B) 2.4 mm

    C) 1.2 mm

    D) 1.2 cm

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  • question_answer27) Specific rotation of sugar solution is 0.01 SI units. 200 kgm-3 of impure sugar solution is taken in a polarimeter tube of length 0.25 m and an optical rotation of 0.4 rad is observed. The percentage of purity of sugar in the sample is:

    A) 11%

    B) 20%

    C) 80%

    D) 89%

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  • question_answer28) The emitter-base junction of a transistor is ......... biased while the collector-base junction is .........biased.

    A) forward, forward

    B) forward, reverse

    C) reverse, forward

    D) reverse, reverse

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  • question_answer29) In a forward biased p-n junction diode, the potential barrier in the depletion region is of the form:

    A)

    B)

    C)

    D)

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  • question_answer30) A cylinder of radius r and length I is placed in an uniform electric field E parallel to the axis of the cylinder. The total flux for the surface of the cylinder is given by:

    A) zero

    B) \[2\pi {{r}^{2}}E\]

    C) \[\pi {{r}^{2}}E\]

    D) \[\left( \pi {{r}^{2}}+\pi {{l}^{2}} \right)E\]

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  • question_answer31) Two electric bulbs A and B are rated as 60 W and 100 W. They are connected in parallel to the same source. Then:

    A) B draws more current than A

    B) currents drawn are in the ratio of their resistances

    C) both draw the same current

    D) A draws more current than B

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  • question_answer32) A thin plano-convex lens acts like a concave mirror of focal length 0.2 m when silvered from its plane surface. The refractive index of the material of the lens is 1.5. The radius of curvature of the convex surface of the lens will be:

    A) 0.1 m

    B) 0.75 m

    C) 0.4 m

    D) 0.2 m

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  • question_answer33) The physical quantity having the same dimensions as Plancks constant h is:

    A) linear momentum

    B) angular momentum

    C) Boltzmann constant

    D) force

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  • question_answer34) A balloon is rising vertically up with a velocity of 29 ms-1. A stone is dropped from it and it reaches the ground in 10 seconds. The height of the balloon when the stone was dropped from it is (g = 9.8ms-1):

    A) 400 m

    B) 150 m

    C) 100 m

    D) 200 m

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  • question_answer35) A wire has a resistance of 6\[\Omega \]. It is cut into two parts and both half values are connected in parallel. The new resistance is:

    A) 3\[\Omega \]

    B) 6\[\Omega \]

    C) 12\[\Omega \]

    D) 1.5\[\Omega \]

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  • question_answer36) In a Youngs double slit experiment, the separation between the two slits is 0.9 mm and the fringes are observed one metre away. If it produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of the monochromatic source of light used is:

    A) 450 nm

    B) 400 nm

    C) 500 nm

    D) 600 nm

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  • question_answer37) When light is incident on a diffraction grating, the zero order principal maximum will be:

    A) spectrum of the colours

    B) white

    C) one of the component colours

    D) absent

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  • question_answer38) H- polaroid is prepared by:

    A) orienting herapathite crystal in the same direction in nitrocellulose

    B) using thin tourmaline crystals

    C) stretching polyvinyl alcohol and then heated with dehydrating agent

    D) stretching polyvinyl alcohol and then impregnating with iodine

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  • question_answer39) SI unit of permittivity is:

    A) \[{{C}^{2}}{{m}^{2}}{{N}^{2}}\]

    B) \[{{C}^{2}}{{m}^{-2}}{{N}^{-1}}\]

    C) \[{{C}^{2}}{{m}^{2}}{{N}^{-1}}\]

    D) \[{{C}^{-1}}{{m}^{2}}{{N}^{-2}}\]

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  • question_answer40) A spherical drop of capacitance 1 \[\mu \]F is broken into eight drops of equal radius. Then, the capacitance of each small drop is:

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

    B) \[\frac{1}{4}\mu F\]

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

    D) 8 \[\mu F\]

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  • question_answer41) Two equal forces (P each) act at a point inclined to each other at an angle of\[120{}^\circ \]. The magnitude of their resultant is:

    A) P/2

    B) P/4

    C) P

    D) 2P

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  • question_answer42) Threshold wavelength for photoelectric emission from a metal surface is \[5200\overset{\text{o}}{\mathop{\text{A}}}\,\]. Photoelectrons will be emitted when this surface is illuminated with monochromatic radiation from:

    A) 1 W IR lamp

    B) 50 W UV lamp

    C) 50 W IR lamp

    D) 10 W IR lamp

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  • question_answer43) In Youngs double slit experiment if monochromatic light used is replaced by white light, then:

    A) no fringes are observed

    B) only central fringe is white, all other fringes are colored

    C) all bright fringes become white

    D) all bright fringes have colours between violet and red

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  • question_answer44) Which state of triply ionised Beryllium (\[B{{e}^{+++}}\]) has the same orbital radius as that of the ground state of hydrogen?

    A) n = 3

    B) n = 4

    C) n = 1

    D) n = 2

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  • question_answer45) If M is the atomic mass and A is the mass number, packing fraction is given by:

    A) \[\frac{M}{M-A}\]

    B) \[\frac{M-A}{A}\]

    C) \[\frac{A}{M-A}\]

    D) \[\frac{A-M}{A}\]

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  • question_answer46) A count rate meter shows a count of 240 per minute from a given radioactive source. One hour later the meter shows a count rate of 30 per minute. The half-life of the source is:

    A) 80 min

    B) 120 min

    C) 20 min

    D) 30 min

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  • question_answer47) Two conductors of the same material have their diameters in the ratio 1 : 2 and their lengths in the ratio 2 : 1. If the temperature difference between their ends is the same, then the ratio of amounts of heat conducted per second through them will be:

    A) 4 : 1

    B) 1 : 4

    C) 8 : 1

    D) 1 : 8

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  • question_answer48) Blowing air with open mouth is an example of:

    A) isobaric process

    B) isochoric process

    C) isothermal process

    D) adiabatic process.

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  • question_answer49) Sound waves in air are always longitudinal because:

    A) of the inherent characteristics of sound waves in air

    B) air does not have a modulus of rigidity

    C) air is a mixture of several gases

    D) density of air is very small

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  • question_answer50) An uncharged sphere of metal is placed inside a charged parallel plate capacitor. The lines of force will look like:

    A)

    B)

    C)

    D)

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  • question_answer51) A current flows in a conductor from east to west. The direction of the magnetic field at a point above the conductor is:

    A) towards east

    B) towards west

    C) towards north

    D) towards south

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  • question_answer52) A bar magnet is equivalent to:

    A) torroid carrying current

    B) straight conductor carrying current

    C) solenoid carrying current

    D) circular coil carrying current.

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  • question_answer53) Excitation energy of a hydrogen like ion in its first excitation state is 40.8 eV. Energy needed to remove the electron from the ion in ground state is:

    A) 40.8 eV

    B) 27.2 eV

    C) 54.4 eV

    D) 13.6 eV

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  • question_answer54) The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. The dispersive power of the material is:

    A) 0.031

    B) 1.60

    C) 0.0615

    D) 0.024

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  • question_answer55) An ideal gas heat engine operates in a Carnots cycle between \[227{}^\circ C\] and\[127{}^\circ C\]. It absorbs \[6\times 10\] J at high temperature. The amount of heat converted into work is:

    A) \[1.6\times {{10}^{4}}J\]

    B) \[1.2\times {{10}^{4}}J\]

    C) \[4.8\times {{10}^{4}}J\]

    D) \[3.5\times {{10}^{4}}J\]

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  • question_answer56) Which one of the following graphs represents the behaviour of an ideal gas?

    A)

    B)

    C)

    D)

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  • question_answer57) Rainbow is formed due to:

    A) total internal reflection

    B) scattering

    C) refraction

    D) dispersion and total internal reflection

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  • question_answer58) A beam of parallel rays is brought to focus by a plano-convex lens. A thin concave lens of the same focal length is joined to the first lens. The effect of this is:

    A) the focus shifts to infinity

    B) the focal point shifts towards the lens by a small distance

    C) the focal point shifts away from the lens by a small distance

    D) the focus remains undisturbed

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  • question_answer59) When a body is earth connected, electrons from the earth flow into the body. This means the body is:

    A) charged negatively

    B) an insulator

    C) uncharged

    D) charged positively

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  • question_answer60) Effective capacitance between A and B in the figure shown is (all capacitances are in \[\mu \]F):

    A) \[\frac{3}{14}\mu F\]

    B) \[\frac{14}{3}\mu F\]

    C) \[21\mu F\]

    D) \[23\mu F\]

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  • question_answer61) Which one of the following is not an amphoteric substance?

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

    B) \[HCO_{3}^{-}\]

    C) \[{{H}_{2}}O\]

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

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  • question_answer62) When \[50c{{m}^{3}}\]of \[0.2N\,{{H}_{2}}S{{O}_{4}}\] is mixed with \[50c{{m}^{3}}\]of \[1N\text{ }KOH\], the heat liberated is:

    A) \[11.46kJ\]

    B) \[57.3kJ\]

    C) \[573\text{ }kJ\]

    D) \[573J\]

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  • question_answer63) An artificial radioactive isotope gave \[_{7}^{14}N\] after two successive p-particle emissions. The number of neutrons in the parent nucleus must be:

    A) \[9\]

    B) \[14\]

    C) \[5\]

    D) \[7\]

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  • question_answer64) Stainless steel does not rust because:

    A) Chromium and nickel combine with iron

    B) Chromium forms an oxide layer and protects iron from rusting

    C) nickel Present in it, does not rust

    D) iron forms a hard chemical compound with chromium present in it

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  • question_answer65) Which of the following combinations can be used to synthesise ethanol?

    A) \[C{{H}_{3}}MgI\] and \[C{{H}_{3}}COC{{H}_{3}}\]

    B) \[C{{H}_{3}}MgI\] and \[{{C}_{2}}{{H}_{5}}OH\]

    C) \[C{{H}_{3}}MgI\] and \[CH{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]

    D) \[C{{H}_{3}}MgI\] and \[HCOO{{C}_{2}}{{H}_{5}}\]

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  • question_answer66) A solution contains \[1.2046\times {{10}^{24}}\]hydrochloric acid molecules in one \[d{{m}^{3}}\]of the solution. The strength of the solution is:

    A) \[6N\]

    B) \[2N\]

    C) \[4N\]

    D) \[8N\]

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  • question_answer67) Nuclear theory of the atom was put forward by:

    A) Rutherford

    B) Aston

    C) Neils Bohr

    D) J.J. Thomson

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  • question_answer68) In acetylene molecule, the two carbon atoms are linked by:

    A) One sigma-bond and two pi-bonds

    B) Two sigma-bonds and one pi-bond

    C) Three sigma-bonds

    D) Three pi-bonds

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  • question_answer69) The enthalpy of reaction, \[{{H}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}O(g)\] is \[\Delta {{H}_{1}}\] and that of \[{{H}_{{{2}_{(g)}}}}+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}{{O}_{(l)}}\]is \[\Delta {{H}_{2}}\]. Then:

    A) \[\Delta {{H}_{1}}<\Delta {{H}_{2}}\]

    B) \[\Delta {{H}_{1}}+\Delta {{H}_{2}}=0\]

    C) \[\Delta {{H}_{1}}>\Delta {{H}_{2}}\]

    D) \[\Delta {{H}_{1}}=\Delta {{H}_{2}}\]

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  • question_answer70) A radioactive isotope decays at such a rate that after 192 minutes only 1/16 of the original amount remains:

    A) \[32min\]

    B) \[48min\]

    C) \[12min\]

    D) \[24min\]

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  • question_answer71) The pressure and temperature of \[4d{{m}^{3}}\]of carbon dioxide gas are doubled. Then the volume of carbon dioxide gas would be:

    A) \[2d{{m}^{3}}\]

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

    C) \[4d{{m}^{3}}\]

    D) \[8d{{m}^{3}}\]

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  • question_answer72) 4g of copper was dissolved in concentrated nitric acid. The copper nitrate solution on strong heating gave 5 g of its oxide. The equivalent weight of copper is:

    A) \[23\]

    B) \[32\]

    C) \[12\]

    D) \[20\]

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  • question_answer73) In the manufacture of ammonia by Habers process, \[{{N}_{2}}_{_{(g)}}+3{{H}_{2}}2N{{H}_{{{3}_{(g)}}}}+92.3kJ\] which of the following conditions is unfavourable?

    A) Increasing the temperature

    B) Increasing the pressure

    C) Reducing the temperature

    D) Removing ammonia as it is formed

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  • question_answer74) The chemical equilibrium of a reversible reaction is not influenced by:

    A) Pressure

    B) Catalyst

    C) Concentration of the reactants

    D) Temperature

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  • question_answer75) Cumene process is the most important commercial method for the manufacture of phenol. Cumene is:

    A) 1-methyl ethyl benzene

    B) Ethyl benzene

    C) Vinyl benzene

    D) Propyl benzene

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  • question_answer76) The reagent which does not give acid chloride on treating with a carboxylic acid is:

    A) \[PC{{l}_{5}}\]

    B) \[C{{l}_{2}}\]

    C) \[SOC{{l}_{2}}\]

    D) \[PC{{l}_{3}}\]

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  • question_answer77) Among the halogens, the one which is oxidised by nitric acid is:

    A) Fluorine

    B) iodine

    C) Chlorine

    D) bromine

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  • question_answer78) The metal which does not form ammonium nitrate by reaction with dilute nitric acid is:

    A) \[Al\]

    B) \[Fe\]

    C) \[Pb\]

    D) \[Mg\]

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  • question_answer79) The elements with atomic numbers 9,17, 35,53, 85 are all:

    A) noble gases

    B) halogens

    C) heavy metals

    D) light metals

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  • question_answer80) In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to :

    A) Minimise the heat loss due to radiation

    B) Protect aluminium produced from Oxygen

    C) Dissolve bauxite and render it conductor of electricity

    D) Lower the melting point of bauxite

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  • question_answer81) The number of 2p electrons having spin quantum number \[s=-1/2\]are:

    A) \[6\]

    B) \[0\]

    C) \[2\]

    D) \[3\]

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  • question_answer82) Pick out the alkane which differs from the other members of the group:

    A) 2,2-dimethyl propane

    B) Pentane

    C) 2-methyl butane

    D) 2,2-dimethyl butane

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  • question_answer83) 56 g of nitrogen and 8g of hydrogen gas are heated in a closed vessel. At equilibrium 34 g of ammonia are present. The equilibrium number of moles of nitrogen, hydrogen and ammonia are respectively:

    A) \[1,2,2\]

    B) \[2,2,1\]

    C) \[1,1,2\]

    D) \[2,1,2\]

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  • question_answer84) A process is taking place at constant temperature and pressure. Then:

    A) \[\Delta H=\Delta E\]

    B) \[\Delta H=T\Delta S\]

    C) \[\Delta H=0\]

    D) \[\Delta S=0\]

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  • question_answer85) In a galvanic cell, the electrons flow from:

    A) anode to cathode through the solution

    B) Cathode to anode through the solution

    C) Anode to cathode through the external circuit

    D) Cathode to anode through the external circuit

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  • question_answer86) The reaction, \[2S{{O}_{{{2}_{(g)}}}}+{{O}_{{{2}_{(g)}}}}2S{{O}_{{{3}_{(g)}}}}\]is carried out in a \[1d{{m}^{3}}\]vessel and \[2d{{m}^{3}}\] vessel separately. The ratio of the reaction velocities will be:

    A) \[1:8\]

    B) \[1:4\]

    C) \[4:1\]

    D) \[8:1\]

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  • question_answer87) In a mixture of acetic acid and sodium acetate the ratio of concentrations of the salt to the acid is increased ten times. Then the pH of the solution:

    A) Increases by one

    B) Decreases by one

    C) Decreases ten fold

    D) Increases ten fold

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  • question_answer88) When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is:

    A) Methanoic acid

    B) Ethanal

    C) Methanol

    D) Methanal

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  • question_answer89) Benzene can be obtained by heating either benzoic acid with X or phenol with Y.X and Y are respectively:

    A) Zinc dust and soda lime

    B) Soda lime and zinc dust

    C) Zinc dust and sodium hydroxide

    D) Soda lime and copper

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  • question_answer90) An organic compound is boiled with alcoholic potash. The product is cooled and acidified with\[HCl\]. A white solid separates out. The starting compound may be:

    A) Ethyl benzoate

    B) Ethyl formate

    C) Ethyl acetate

    D) Methyl acetate

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  • question_answer91) A nitrogen containing organic compound gave an oily liquid on heating with bromine and potassium hydroxide solution. On shaking the product with acetic anhydride, an antipyretic drug was obtained. The reactions indicate that the starting compound is:

    A) Aniline

    B) benzamide

    C) Acetamide

    D) nitrobenzene

    View Answer play_arrow
  • question_answer92) The silver salt of a fatty acid on refluxing with an alkyi halide gives an:

    A) Acid

    B) ester

    C) Ether

    D) amine

    View Answer play_arrow
  • question_answer93) Pick out the one which does not belong to the family:

    A) Pepsin

    B) cellulose

    C) Ptyalin

    D) lipase

    View Answer play_arrow
  • question_answer94) Which one of the following is wrongly matched?

    A) Saponification of - second order \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\] reaction - pseudo

    B) Hydrolysis of \[C{{H}_{3}}COOC{{H}_{3}}\] unimolecular reaction

    C) Decomposition - first order reaction of \[{{H}_{2}}{{O}_{2}}\]

    D) Combination of \[{{H}_{2}}\] -first order reaction and \[B{{r}_{2}}\] to give \[HBr\]

    View Answer play_arrow
  • question_answer95) The diameter of colloidal particles range from:

    A) \[{{10}^{-6}}m\]to \[{{10}^{-9}}m\]

    B) \[{{10}^{-9}}m\] to \[{{10}^{-12}}m\]

    C) \[{{10}^{3}}m\]to \[{{10}^{-3}}m\]

    D) \[{{10}^{-3}}m\] to \[{{10}^{-6}}m\]

    View Answer play_arrow
  • question_answer96) On treating a mixture of two alkyi halides with sodium metal in dry ether, 2-methyl propane was obtained. The alkyi halides are:

    A) 2-chloropropane and chloromethane

    B) 2-chloropropane and chloroethane

    C) chloromethane and chloroethane

    D) chloromethane and 1-chloropropane

    View Answer play_arrow
  • question_answer97) Which of the following statements about benzyl chloride is incorrect?

    A) It is less reactive than alkyi halides

    B) It can be oxidised to benzaldehyde by boiling with copper nitrate solution

    C) It is a lachrymatory liquid and answers Beilsteins test

    D) It gives a white precipitate with alcoholic silver nitrate

    View Answer play_arrow
  • question_answer98) The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is:

    A) \[Hg{{(OH)}_{2}}\]

    B) \[HgC{{O}_{3}}.HgO\]

    C) \[HgC{{O}_{3}}\]

    D) \[HgC{{O}_{3}}.Hg{{(OH)}_{2}}\]

    View Answer play_arrow
  • question_answer99) In the electro thermal process, the compound displaced by silica from calcium phosphate is:

    A) calcium phosphide

    B) phosphine

    C) phosphorus

    D) phosphorus pentoxide

    View Answer play_arrow
  • question_answer100) The enthalpy of combustion of methane at \[{{25}^{o}}C\]is 890 kJ. The heat liberated when \[3.2g\]of methane is burnt is air is:

    A) \[445kJ\]

    B) \[278kJ\]

    C) \[-890kJ\]

    D) \[178kJ\]

    View Answer play_arrow
  • question_answer101) The velocity constant of a reaction at 290 K was found to be\[3.2\times {{10}^{-3}}\text{ }{{s}^{-1}}\]. When the temperature is raised to\[310K\], it will be about:

    A) \[6.4\times {{10}^{-3}}\]

    B) \[3.2\times {{10}^{-4}}\]

    C) \[9.6\times {{10}^{-3}}\]

    D) \[1.28\times {{10}^{-2}}\]

    View Answer play_arrow
  • question_answer102) Select the \[_{p}{{K}_{a}}\] value of the strongest acid from the following:

    A) \[1.0\]

    B) \[3.0\]

    C) \[2.0\]

    D) \[4.5\]

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  • question_answer103) Pick out the unsaturated fatty acid from the following:

    A) stearic acid

    B) lauric acid

    C) oleic acid

    D) palmitic acid

    View Answer play_arrow
  • question_answer104) Nylon is not a:

    A) condensation polymer

    B) polyamide

    C) copolymer

    D) homopolymer

    View Answer play_arrow
  • question_answer105) The coal tar fraction which contains phenol is:

    A) middle oil

    B) green oil

    C) heavy oil

    D) light oil

    View Answer play_arrow
  • question_answer106) The compounds A and B are mixed in equimolar proportion to form the products,\[A+BC+D\]. At equilibrium, one third of A and B are consumed. The equilibrium constant for the reaction is:

    A) \[0.5\]

    B) \[4.0\]

    C) \[2.5\]

    D) \[0.25\]

    View Answer play_arrow
  • question_answer107) In froth floatation process for the purification of ores, the particles of ore float because:

    A) their surface is not easily wetted by water

    B) they are light

    C) they are insoluble

    D) they bear electrostatic charge

    View Answer play_arrow
  • question_answer108) Which of the following statements about amorphous solids is incorrect?

    A) They melt over a range of temperature

    B) They are anisotropic

    C) There is no orderly arrangement of particles

    D) They are rigid and incompressible

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  • question_answer109) Hydrogen diffuses six times faster than gas A. The molar mass of gas A is:

    A) \[72\]

    B) \[6\]

    C) \[24\]

    D) \[36\]

    View Answer play_arrow
  • question_answer110) Dulong and Petits law is valid only for :

    A) metals

    B) non-metals

    C) gaseous elements

    D) solid elements

    View Answer play_arrow
  • question_answer111) Identify the gas which is readily adsorbed by activated charcoal:

    A) \[{{N}_{2}}\]

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

    C) \[{{H}_{2}}\]

    D) \[{{O}_{2}}\]

    View Answer play_arrow
  • question_answer112) If the distance between \[N{{a}^{+}}\] and \[C{{l}^{-}}\] ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is:

    A) \[4X\,pm\]

    B) \[X/4\text{ }pm\]

    C) \[X/2\text{ }pm\]

    D) \[2X\text{ }pm\]

    View Answer play_arrow
  • question_answer113) Which of the following statements is incorrect?

    A) In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\], the ligand has satisfied only the secondary valency of ferric ion

    B) In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\]the ligand has satisfied both primary and secondary; valancies of ferric ion

    C) In \[{{K}_{4}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valancies of ferrous ion

    D) In \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]the ligand has satisfied only the secondary valency of copper

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  • question_answer114) 2-acetoxy benzoic acid is used as an:

    A) Antimalarial

    B) Antidepressant

    C) antiseptic

    D) Antipyretic

    View Answer play_arrow
  • question_answer115) A nucleoside on hydrolysis gives :

    A) a heterocyclic base and ,orthophosphoric acid

    B) an aldopentose, a heterocyclic base and orthophosphoric acid

    C) an aldopentose and a heterocyclic base

    D) an aldopentose and orthophosphoric acid

    View Answer play_arrow
  • question_answer116) In qualitative analysis, in order to detect second group basic radical, \[{{H}_{2}}S\] gas is passed in the presence of dilute \[HCl\] to:

    A) increase the dissociation of \[{{H}_{2}}S\]

    B) decrease the dissociation of salt solution

    C) decrease the dissociation of \[{{H}_{2}}S\]

    D) increase the dissociation of salt solution

    View Answer play_arrow
  • question_answer117) Aluminium displaces hydrogen from dilute \[HCl\] whereas silver does not. The e.m.f. of a cell prepared by combining \[Al/A{{l}^{3+}}\] and \[Ag/A{{g}^{+}}\] is 2.46V. The reduction potential of silver electrode is\[+0.80\text{ }V\]. The reduction potential of aluminium electrode is:

    A) \[+1.66V\]

    B) \[-3.26V\]

    C) \[3.26V\]

    D) \[-1.66V\]

    View Answer play_arrow
  • question_answer118) The first fraction obtained during the fractionation of petroleum is:

    A) hydrocarbon gases

    B) kerosene oil

    C) gasoline

    D) diesel oil

    View Answer play_arrow
  • question_answer119) Which of the following compounds gives trichlorome thane on distilling with bleaching powder?

    A) Methanal

    B) Phenol

    C) Ethanol

    D) Methanol

    View Answer play_arrow
  • question_answer120) Benzoin is:

    A) compound containing an aldehyde and a ketonic group

    B) \[\alpha ,\beta \]-unsaturated acid

    C) \[\alpha \]-hydroxy aldehyde

    D) \[\alpha \]-hydroxy ketone

    View Answer play_arrow
  • question_answer121) A gene of operon which synthesizes a represser protein is:

    A) promoter gene

    B) structural gene

    C) operator gene

    D) regulator gene

    View Answer play_arrow
  • question_answer122) Match the excretory organs listed under column-I with the animals given under column - II. Choose the answer which gives the correct combination of alphabets of the two columns:

    Column-I (Excretory organs) Column-II (Animals)
    A. Nephridia p. Hydra
    B. Malpighian tubules q. Leech
    C. Protonephridia r. Shark
    D. Kidneys s. Flatworms
    t. Cockroach

    A) A - q, B -1, C - s, D - r

    B) A - s, B - q, C - p, D - t

    C) A -1, B - q, C - s, D - r

    D) A - q, B - s, C -1, D - p

    View Answer play_arrow
  • question_answer123) Compound saccular glands are:

    A) intestinal glands

    B) salivary glands

    C) gastric glands

    D) endocrine glands

    View Answer play_arrow
  • question_answer124) The law of limiting factor was proposed by:

    A) F.F. Blackman

    B) D. Amon

    C) Robert Hill

    D) R. Emerson

    View Answer play_arrow
  • question_answer125) Aerosome is a part of:

    A) foetus

    B) Graafian follicle

    C) human ovum

    D) human sperm

    View Answer play_arrow
  • question_answer126) An example of Pasteur effect is:

    A) Penicillium

    B) Pinnularia

    C) Saccharomyces

    D) Nostoc

    View Answer play_arrow
  • question_answer127) One of the following is called Sewall Wright effect:

    A) genetic drift

    B) isolation

    C) gene pool

    D) gene flow

    View Answer play_arrow
  • question_answer128) Match the types of cells listed under column - I with the secretions given under column - II. Choose the answer which gives the correct combination of alphabets of the two columns:

    Column-I (Types of cells) Column - II (Secretions)
    A. Beta cells p. Lysozyme
    B. Mast cells q. Mucus
    C. Paneth cells r. Histamine
    D. Acinar cells s. Insulin
    t. Pancreatic enzymes

    A) A - s, B - q, C - p, D - t

    B) A - t, B - q, C - r, D - s

    C) A - s, B - r, C - p, D - t

    D) A - q, B - r, C - p, D - t

    View Answer play_arrow
  • question_answer129) Which of the following is a mechanical barrier used in birth control?

    A) Tubectomy

    B) Dalcon shield

    C) vasectomy

    D) Diaphragm

    View Answer play_arrow
  • question_answer130) The gases used in the spark-discharge apparatus were:

    A) \[{{H}_{2}},\text{ }C{{H}_{4}}\] and \[N{{H}_{3}}\]

    B) \[CO,\text{ }N{{H}_{3}}\] and \[C{{H}_{4}}\]

    C) \[{{O}_{2}},\text{ }C{{O}_{2}}\] and \[N{{H}_{3}}\]

    D) \[N{{H}_{3}},\text{ }C{{H}_{4}}\] and \[{{O}_{2}}\]

    View Answer play_arrow
  • question_answer131) The power house of cell is:

    A) mitochondria

    B) lysosome

    C) ribosome

    D) golgi complex

    View Answer play_arrow
  • question_answer132) The young one of cockroach is called:

    A) caterpillar

    B) nymph

    C) fingerling

    D) maggot

    View Answer play_arrow
  • question_answer133) The yellow colored milk secreted by cattle soon after the birth of a calf is called:

    A) chyme

    B) chyle

    C) cholesterol

    D) colostrums

    View Answer play_arrow
  • question_answer134) A bicollateral vascular bundle has the following arrangement of tissues:

    A) outer phloem \[\to \] outer xylem \[\to \] middle cambium \[\to \] inner xylem \[\to \] inner phloem

    B) outer cambium \[\to \] outer phloem \[\to \] middle xylem \[\to \] inner phloem \[\to \] inner cambium

    C) outer phloem \[\to \] outer cambium \[\to \] Huddle xylem \[\to \] inner cambium \[\to \] inner phloem

    D) outer xylem \[\to \] outer cambium \[\to \] middle phloem\[\to \] inner cambium \[\to \] inner xylem

    View Answer play_arrow
  • question_answer135) Match the branches of Biology given under column-I with the field of study listed under column-II; choose the answer which gives the correct combination of alphabets of the two columns:

    Column-I (Branch of Biology) Column-II (Field of Study)
    A. Malacology p. Reptiles
    B. Pomology q. Fungi
    C. Mycology r. Fruits
    D. Ornithology s. Molluscs
    t. Birds

    A) A - s, B - t, C - q, D - t

    B) A - s, B - t, C - p, D - t

    C) A - p, B - r, C - q, D - t

    D) A - 1, B - s, C - q, D - p

    View Answer play_arrow
  • question_answer136) Choose die cat fish from the following:

    A) Cirrhina mrigala

    B) Wallago attu

    C) Labeo roliita

    D) Catia catia

    View Answer play_arrow
  • question_answer137) Identify the plasmid:

    A) Alu I

    B) Hind II

    C) Eco RI

    D) \[_{p}BR\text{ }322\]

    View Answer play_arrow
  • question_answer138) Match the types of bacteria listed in column - I with their activity given in column - II. Choose the correct combination of alphabets of the two columns:

    Column-I (Types of bacteria) Column-II (Activity)
    A. Streptomyces p. Food poisoning
    B. Rhizobium q. Source of antibiotics
    C. Nitrosomonas r. Nitrogen fixation
    D. Acetobacter s. Nitrification
    t. Vinegar synthesis

    A) A - q, B - r, C - p, D - t

    B) A - q, B - r, C - s, D - t

    C) A - s, B - t, C - p, D - r

    D) A - t, B - p, C - r, D - s

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  • question_answer139) ATP was discovered by:

    A) Blackman

    B) Bowman

    C) Lipmann

    D) Karl Lohman

    View Answer play_arrow
  • question_answer140) DNA finger printing technique was first developed by:

    A) Jeffreys, Wilson and Thien

    B) Boysen and Jensen

    C) Schleiden and Schwann

    D) Edward and Steptoe

    View Answer play_arrow
  • question_answer141) Synthesis of testosterone by Leydig cells is stimulated by:

    A) LTH

    B) TSH

    C) FSH

    D) ICSH

    View Answer play_arrow
  • question_answer142) Which of the following statements is right?

    A) Fronds are found in bryophytes

    B) Multiciliate sperms are found in angiosperms

    C) Diatoms produce basidiospores

    D) Heterocysts are found in Nostoc

    View Answer play_arrow
  • question_answer143) The biogenetic law was proposed by:

    A) F. Redi

    B) Richter

    C) Weismann

    D) Haeckel

    View Answer play_arrow
  • question_answer144) Nodes of Ranvier are found in:

    A) axon

    B) sperm

    C) muscle fibre

    D) neuron

    View Answer play_arrow
  • question_answer145) Which of the following animals is protected in Kaziranga sanctuary in Assam?

    A) Indian elephant

    B) Indian rhinoceros

    C) Indian lion

    D) Indian bison

    View Answer play_arrow
  • question_answer146) The first antibiotic was discovered by:

    A) A. Flemming

    B) W. Flemming

    C) R. Koch

    D) Louis Pasteur

    View Answer play_arrow
  • question_answer147) A four chambered heart is not found in:

    A) mammals

    B) birds

    C) snake

    D) crocodile

    View Answer play_arrow
  • question_answer148) Balance theory of sex determination was proposed by:

    A) Calvin B. Bridges

    B) Strasburger

    C) T.H. Morgan

    D) Waldeyer

    View Answer play_arrow
  • question_answer149) Elongation of a genetically dwarf plant is possible by application of:

    A) cytokinin

    B) ethylene

    C) abscisic acid

    D) gibberellins

    View Answer play_arrow
  • question_answer150) The primary visual area is located in:

    A) temporal lobe

    B) occipital lobe

    C) frontal lobe

    D) parietal lobe

    View Answer play_arrow
  • question_answer151) Respiratory quotient (RQ.) is represented by:

    A) \[\frac{{{N}_{2}}}{{{O}_{2}}}\]

    B) \[\frac{C{{O}_{2}}}{{{O}_{2}}}\]

    C) \[\frac{{{O}_{2}}}{C{{O}_{2}}}\]

    D) \[\frac{C}{N}\]

    View Answer play_arrow
  • question_answer152) Bacterial photosynthesis involves:

    A) both PS - I and PS - II

    B) either PS - I or PS - II

    C) PS - I only

    D) PS - II only

    View Answer play_arrow
  • question_answer153) One of the following is not the types of blood groups or blood factors:

    A) Lewis and Duffy

    B) Buffs and Kips

    C) ABO and Rh

    D) Rh and MN

    View Answer play_arrow
  • question_answer154) Gynaecomastia is the symptom of:

    A) Down syndrome

    B) SARS

    C) Turners syndrome

    D) Klinefelters syndrome

    View Answer play_arrow
  • question_answer155) The term ecology was coined by:

    A) Reiter

    B) Tansley

    C) E. Munch

    D) Odum

    View Answer play_arrow
  • question_answer156) Bamboo and grasses elongate by the activity of:

    A) secondary meristem

    B) lateral meristem

    C) apical meristem

    D) intercalary meristem

    View Answer play_arrow
  • question_answer157) The example for trimerous, unisexual flower is:

    A) Cocos nucifera

    B) Hibiscus

    C) Tamarind

    D) Pea

    View Answer play_arrow
  • question_answer158) The term species was coined by:

    A) Aristotle

    B) Engler

    C) John Ray

    D) Linnaeus

    View Answer play_arrow
  • question_answer159) Match the Biological molecules listed under column - I with their biological functions given under column - II. Choose the answer which gives correct combination of alphabets of the two columns.

    Column-I (Biological molecules) Column-II (Functions)
    A. Starch p. Protein synthesis
    B. Haemoglobin q. Sex hormone
    C. RNA r. Storage product
    D. Steroid s. Transport of gases

    A) A - s, B - r, C - p, D - q

    B) A - r, B - s, C - q, D - p

    C) A - r, B - p, C - s, D - q

    D) A - r, B - s, C - p, D - q

    View Answer play_arrow
  • question_answer160) One of the following is a disease of poultry:

    A) foot and mouth disease

    B) pebrine disease

    C) anthrax

    D) ranikhet disease

    View Answer play_arrow
  • question_answer161) Coacervates were experimentally produced by:

    A) Urey and Miller

    B) Jacob and Monod

    C) Fischer and Huxley

    D) Sidney Fox and Oparin

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  • question_answer162) The scientific name of zebu is:

    A) Bos indicus

    B) Bombyx nwri

    C) Biibalus bubalus

    D) Callus domesticiis

    View Answer play_arrow
  • question_answer163) Motor cells are found in:

    A) monocot leaf

    B) upper epidermis of monocot leaf

    C) brain

    D) spinal cord

    View Answer play_arrow
  • question_answer164) These belong to the category of primary consumers:

    A) snakes and frogs

    B) water insects

    C) eagle and snakes

    D) insects and cattle

    View Answer play_arrow
  • question_answer165) Bhopal gas tragedy of 1984 was caused by the leakage of gas:

    A) methyl isocyanate

    B) 2,4-dichlorophenoxy acetic acid

    C) ammonia

    D) hydrogen cyanide

    View Answer play_arrow
  • question_answer166) Volkmans canals occur in:

    A) internal ear

    B) liver

    C) cartilage

    D) bone

    View Answer play_arrow
  • question_answer167) The lacteals are found in:

    A) salivary gland

    B) villi

    C) spleen

    D) mammary gland

    View Answer play_arrow
  • question_answer168) Match the theories given in column-I with the names of scientists listed in column-II. Choose the answer which gives the correct combination of the alphabets.

    Column-I (Names of theories) Column-II (Name of scientists)
    A. Relay pump theory p. Stocking
    B. Transpiration cohesion theory q. Sir J.C. Bose
    C. Mass flow r. Godlewski
    D. Pulsation theory s. Dixon and Jolly
    t. Ernst Munch

    A) A - r, B - s, C - t, D - q

    B) A - s, B - r, C - p, D - q

    C) A - r, B - q, C - t, D - q

    D) A - q, B - p, C - t, D - r

    View Answer play_arrow
  • question_answer169) The World Environment Day is celebrated on:

    A) 5th May

    B) 6th August

    C) 5th June

    D) 6th June 50

    View Answer play_arrow
  • question_answer170) One of the following is called pitcher plant:

    A) Nepenthes

    B) Aristolochia

    C) Drosera

    D) Utricularia

    View Answer play_arrow
  • question_answer171) Choroid plexus is a network of:

    A) capillaries

    B) muscle fibres

    C) nerves

    D) lymph vessels

    View Answer play_arrow
  • question_answer172) Chiropteriphily means:

    A) pollination by snails

    B) pollination by bats

    C) pollination by wind

    D) pollination by insects

    View Answer play_arrow
  • question_answer173) In the diagram of T.S. of stele of dicot root, the different parts have been indicated by alphabets choose the answer in which these alphabets correctly match with the parts they indicate:

    A) A - Endodermis, B - Conjuctive tissue, C - Metaxylem, D - Protoxylem, E - Phloem, F - Pith

    B) A - Endodermis, B - Pith, C - Protoxylem, D - Metaxylem, E - Phloem, F - Conjuctive tissue

    C) A - Pericycle, B - Conjuctive tissue, C - Metaxylem, D - Protoxylem, E - Phloem, F - Pith

    D) A - Endodermis, B - Conjuctive tissue, C - Protoxylem, D - Metaxylem, E - Phloem, F - Pith

    View Answer play_arrow
  • question_answer174) In the diagram of section of hyaline cartilage, the different parts have been indicated by alphabets; choose the answer in which these alphabets correctly match with the parts they indicate:

    A) A - Perichondrium; B - Chondrocyte; C - Lacuna, D - Capsular matrix, E - Chondrin

    B) A - Capsular matrix, B - Chondrocyte, C - Lacuna, D - Perichondrium, E - Chondrin

    C) A - Chondrin, B - Chondrocyte, C - Lacuna, D - Capsular matrix, E - Perichondrium

    D) A - Chondrin, B - Lacuna, C - Chondrocyte, D - Capsular matrix, E - Perichondrium

    View Answer play_arrow
  • question_answer175) In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate:

    A) A - Theca externa, B - Theca intema, C - Ovum, D = Cumulus oophorus, E - Antrum, F - Membrana granulosa

    B) A - Membrana granulosa, B = Theca externa, C - Ovum, D - Cumulus oophorus, E - Antrum, F - Theca interna

    C) A - Membrana granulosa, B - Theca intema C - Ovum D - Cumulus oophorus, E - Antrum, F - Theca externa

    D) A - Theca externa, B - Theca interna, C - Ovum, D - Membrana granulosa, E - Antrum F - Cumulus oophorus

    View Answer play_arrow
  • question_answer176) Murein is not found in the cell wall of:

    A) Nostoc

    B) Eubacteria

    C) Cyanobacteria

    D) Diatoms

    View Answer play_arrow
  • question_answer177) Largest gametophyte is found in:

    A) Angiosperm

    B) Polytrichum

    C) Nephrolepis

    D) Cycas

    View Answer play_arrow
  • question_answer178) Match the names of diseases listed under column - I with the meanings given under column - II; choose the answer which gives the correct combination of alphabets of the two columns:

    Column-I (Names of disease) Column-II (Meanings)
    A. Jaundice p. Allergic inflammation of nose
    B. Stenosis q. Loss of motor functions
    C. Rhinitis r. Heart valve defect
    D. Paralysis s. Increase in bile pigment in the blood
    t. Septal defect of heart

    A) A - q, B - t, C - r, D - q

    B) A - s, B - p, C - q, D - r

    C) A - s, B - r, C - p, D - q

    D) A - s, B - t, C - p, D - q

    View Answer play_arrow
  • question_answer179) Ganongs respiroscope is used to demonstrate:

    A) production of carbon dioxide during aerobic respiration

    B) production of heat during aerobic respiration

    C) evolution of oxygen during photosynthesis

    D) evolution of carbon dioxide during fermentation

    View Answer play_arrow
  • question_answer180) Balbiani rings are found in:

    A) all chromosomes

    B) Lampbrush chromosome

    C) dicot stems

    D) polytene chromosomes

    View Answer play_arrow

   



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