Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

done Rajasthan - PMT Solved Paper-2002

  • question_answer1) An electron is moving in magnetic field of \[16\,wb/{{m}^{2}}\]. Find the radium of its path:

    A) \[4.47\times {{10}^{11}}\,per\,\sec \]

    B) \[{{10}^{11}}\,per\,\sec \]

    C) \[5.3\times {{10}^{-11}}\,per\,\sec \]

    D) \[{{10}^{14}}\,per\,\sec \]

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  • question_answer2) Which of the following is proportional to energy density m magnetic field B:

    A) \[\frac{1}{B}\]

    B) \[\frac{1}{{{B}^{2}}}\]

    C) \[B\]

    D) \[{{B}^{2}}\]

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  • question_answer3) Which one of the following is ferro magnetic?

    A) Co

    B) Zn

    C) Hg

    D) Pt

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  • question_answer4) Sometimes positive charged particle comes from space towards earth with high velocity. Its deviation due to the magnetic field of earth will be:

    A) towards north

    B) towards south

    C) towards west

    D) towards east

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  • question_answer5) For paramagnetic materials magnetic susceptibility is related with temperature as:

    A) \[\propto {{T}^{2}}\]

    B) \[\propto {{T}^{1}}\]

    C) \[\propto {{T}^{-1}}\]

    D) \[\propto {{T}^{2}}\]

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  • question_answer6) Dynamo which produces electricity, is a application of:

    A) gravity

    B) magnetism

    C) e.m.f.

    D) electrolysis

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  • question_answer7) Air cored choke coil and delectric bulb are connected in series with A.C. mains. A soft iron rod is inserted in coil then the intensity of electric bulb will be :

    A) decrease

    B) increase

    C) fluctuate

    D) unchanged

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  • question_answer8) The orbital speed of a satellite revolving nearby the earth is:

    A) \[\sqrt{2gR}\]

    B) \[\sqrt{gR}\]

    C) \[\sqrt{g/R}\]

    D) \[\sqrt{2g/R}\]

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  • question_answer9) Which one of the following is unstable?

    A) \[\text{-}\]ray

    B) \[\text{-}\]ray

    C) Proton

    D) Neutron

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  • question_answer10) A torque of 30 N-m is acting on a wheel of mass 5 kg and moment of inertia 2 kg-m2. If wheel starts rotating from rest then, its angular displacement in 10 seconds will be:

    A) 750 rad

    B) 1500 rad

    C) 3000 rad

    D) 6000 rad

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  • question_answer11) A second pendulum is kept in a satellite it is revolving around the earth at the height of 3R from the earth surface. Time period of second pendulum will be:

    A) zero

    B) \[3\sqrt{3\sec }\]

    C) 4 sec

    D) infinite

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  • question_answer12) A disc is rolling on an inclined plane- What fraction of its total energy will be as rotational energy :

    A) 4/3

    B) 1/3

    C) 1/2

    D) 2/3

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  • question_answer13) If temperature of the gas is increased to three times, then its root mean square velocity become :

    A) 3 times

    B) 9 times

    C) \[\frac{1}{2}\]times

    D) \[\sqrt{3}\] times

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  • question_answer14) Surface tension of liquid is 5N/m. If a thin film of area 0.02 m2 is made in a ring then the surface energy will be :

    A) \[\text{5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}\,}}\text{J}\]

    B) \[\text{2}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}\,}}\text{J}\]

    C) \[\text{1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-1}\,}}\text{J}\]

    D) \[\text{5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-1}\,}}\text{J}\]

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  • question_answer15) Which has highest penetrating power?

    A) \[\text{-}\]rays

    B) \[\text{-}\]rays

    C) \[\alpha \text{-}\]rays

    D) Cathode rays

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  • question_answer16) If X-rays is passed through from strong magnetic field, then X-rays:

    A) will deviate maximum

    B) will deviate minimum

    C) undeviated

    D) none of these

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  • question_answer17) In diffraction radius of half period zone is proportional to :

    A) \[{{n}^{-1/2}}\]

    B) \[{{n}^{1/2}}\]

    C) \[{{n}^{2}}\]

    D) \[n\]

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  • question_answer18) Surface tension of a liquid is T- If its surface area is increased by A, then the increase in surface energy will be :

    A) \[AT\]

    B) \[A/T\]

    C) \[{{A}^{2}}T\]

    D) \[{{A}^{2}}{{T}^{2}}\]

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  • question_answer19) If the radius of earth is decreased by 1% and mass remain constant, then the acceleration due to gravity:

    A) decrease by 2%

    B) decrease by 1%

    C) increase by 1%

    D) increase by 2%

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  • question_answer20) A sound wave of frequency 660 Hz is incident normally at reflecting wall then minimum distance from wall at which particles amplitude will be maximum (velocity of sound = 330 m/s):

    A) 0.215 m

    B) 0.125 m

    C) 1 m

    D) 0.5 m

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  • question_answer21) Different atoms of same element which have different masses but have same chemical properties are called :

    A) isochoric

    B) isotope

    C) isobar

    D) isobaric

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  • question_answer22) 22. Activity of a radioactive element is 103dis /sec. Its life is 1 sec. After 3 sec. its activity will be:

    A) 1000 dis/sec

    B) 250 dis/sec

    C) 125 dis/sec

    D) none of these

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  • question_answer23) If a temperature of hot body is increased by 10%, then the increase in emitted radiation will be:

    A) 10%

    B) 40%

    C) 46%

    D) 100%

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  • question_answer24) Total angular momentum of a system of particles:

    A) is always constant

    B) is changed due to presence of external force

    C) is changed due to presence of external torque

    D) nothing can be said

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  • question_answer25) Ripple factor of a half wave rectifier is:

    A) 1.21

    B) 0.08

    C) 0.61

    D) 2.14

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  • question_answer26) Diffraction of sound waves is more evident than light waves in daily life because:

    A) \[{{}_{\text{sound}}}\,\text{}\,{{}_{\text{light}}}\]

    B) \[{{}_{\text{sound}}}\,=\,{{}_{\text{light}}}\]

    C) \[{{}_{\text{sound}}}\,<\,{{}_{\text{light}}}\]

    D) sound waves are longitudinal but light waves are transverse

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  • question_answer27) Two waves of intensities ratio are 9 : 1 then the ratio of their resultants maximum and minimum intensities will be:

    A) 10 : 8

    B) 7 : 2

    C) 4 : 1

    D) 2 : 1

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  • question_answer28) A particle is executing simple harmonic motion with angular frequency\[\omega \]then angular frequency of its kinetic energy will be:

    A) \[\omega \]

    B) \[\omega /2\]

    C) \[2\omega \]

    D) \[4\omega \]

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  • question_answer29) In a diode before the saturated condition voltage were 400 and 200 respectively. Then the respective current ratio is:

    A) \[2\sqrt{2}\]

    B) \[\frac{1}{2\sqrt{2}}\]

    C) \[2\]

    D) \[1/2\]

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  • question_answer30) 26 tuning fork are arranged in a line having beat frequency of 4 between two successive tuning forks. If frequency of last tuning fork is 3 times that of 1st tuning fork then find the frequency of 1st tuning fork:

    A) 7.5 Hz

    B) 50 Hz

    C) 100 Hz

    D) 125 Hz

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  • question_answer31) What is the value of\[\frac{R}{{{C}_{P}}}\]for a diatomic gas?

    A) 5/7

    B) 2/7

    C) 3/5

    D) 3/4

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  • question_answer32) The escape velocity of a particle of mass m varies as:

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

    B) m

    C) \[{{m}^{0}}\]

    D) \[{{m}^{-1}}\]

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  • question_answer33) A bottle is filled with water at \[30{}^\circ C\]. When it is taken on the moon then :

    A) water will freeze

    B) water will boil

    C) water will decompose in hydrogen and oxygen

    D) nothing will happen to water

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  • question_answer34) Choose incorrect statement regards zone plate and convex lens:

    A) focal length of both depends upon wavelength\[\lambda \]

    B) both show chromatic aberration

    C) both have single focal length

    D) none of these

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  • question_answer35) In a potentiometer experiment the galvanometer shows no deflection when a cell is connected across 60 cm of potentiometer wire. If the cell is shunted by a resistance of 6\[\Omega \] the balance is obtained at 50 cm. Find the internal resistance of cell.

    A) 0.552\[\Omega ,\]

    B) 0.652\[\Omega ,\]

    C) 1.252\[\Omega ,\]

    D) 1.2\[\Omega ,\]

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  • question_answer36) Due to effect of interference, floating oil layer in water is visible in coloured, for observation of this event the thickness of oil layer should be:

    A) 10 nm

    B) 1000 nm

    C) 1 mm

    D) 10 mm

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  • question_answer37) A tyre at \[27{}^\circ C\] temperature and at 2 atomspheric pressure. It brusts suddenly, then the resultant temperature will be:

    A) \[-123{}^\circ C\]

    B) \[240{}^\circ C\]

    C) \[27{}^\circ C\]

    D) \[0{}^\circ C\]

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  • question_answer38) A body takes 10 minutes to cool down from \[62{}^\circ C\] to \[50{}^\circ C\]. If the temperature of surrounding is \[26{}^\circ C\] then in the next 10 minutes temperature of the body will be:

    A) \[38{}^\circ C\]

    B) \[40{}^\circ C\]

    C) \[42{}^\circ C\]

    D) \[44{}^\circ C\]

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  • question_answer39) During an adiabatic expansion of 2 mole of gas, the change in internal energy was, found - 50 J. The work done during the process:

    A) 50 J

    B) -50 J

    C) 100 J

    D) 0

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  • question_answer40) Which of the following is weakest force?

    A) Gravitational

    B) Electric force

    C) Magnetic force

    D) Nuclear force

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  • question_answer41) A square is made of four rods of same material one of the diagonal of a square is at temperature difference \[100{}^\circ C\], then the temperature difference of second diagonal:

    A) \[0{}^\circ C\]

    B) \[\frac{100}{l}\]

    C) \[\frac{100}{2l}\]

    D) \[100{}^\circ C\]

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  • question_answer42) 0.7 H inductance is connected with 220\[\Omega \]resistance with A.C. source it is connected to 50 Hz frequency and 220 volt e.m.f. source, then the value of current in circuit will be:

    A) 0.5 A

    B) 0.7A

    C) 5 A

    D) 7A

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  • question_answer43) How many times, the potential of big drop in comparison to small drops which is made of 8 droplets will be, if all the droplets are identical?

    A) 2 times

    B) 4 times

    C) 3 times

    D) 8 times

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  • question_answer44) Choke coil:

    A) decreases current in A.C.

    B) increases current in A.C.

    C) decreases current in D.C.

    D) increases current in D.C.

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  • question_answer45) Escape velocity for a rocket is 11.2 km/s. If it is taken to a planet where the radius and acceleration due to gravity is double than earth, then escape velocity will be:

    A) 5.6m/s

    B) 11.2m/s

    C) 22.4 km/s

    D) 44.2 m/s

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  • question_answer46) Potential inside a hollow sphere is:

    A) constant

    B) proportional to distance from centre

    C) inversely proportional to the distance

    D) inversely proportional to square of distance

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  • question_answer47) In p-n junction depletion region decreases when:

    A) zero bias

    B) forward bias

    C) reverse bias

    D) temperature decreases

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  • question_answer48) Hydrogen atom is excited by means of a monochromatic radiations of wavelength \[975\overset{\text{o}}{\mathop{\text{A}}}\,\]. In emission spectrum the number of possible lines are :

    A) 2

    B) 4

    C) 5

    D) 6

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  • question_answer49) When a capillary tube is immersed in water, then it rises up to height of 3 cm. If the surface tension of water is \[75\times {{10}^{-3}}N/m\]. Then the diameter of capillary tube will be:

    A) 0 1 mm

    B) 0.5 mm

    C) 1 mm

    D) 2 mm

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  • question_answer50) When two co-axial coils having same current in same direction are bring to each other, then the value of current in both coils:

    A) increases

    B) decreases

    C) first increases and then decreases

    D) remain same

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  • question_answer51) Amplification factor of triode is 18 and internal resistance is 8000\[\Omega \] If load resistance is 10, 000 \[\Omega ,\]then the voltage amplification of triode is:

    A) 20

    B) 10

    C) 40

    D) 15

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  • question_answer52) The insulation property of air breaks down at intensity as \[3\times {{10}^{6}}\,V/m\]. The maximum charge that can be given to a sphere of diameter 5 m is:

    A) \[2\times {{10}^{-2}}C\]

    B) \[2\times {{10}^{-3}}C\]

    C) \[2\times {{10}^{-4}}C\]

    D) 0

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  • question_answer53) An observer is approaching with velocity \[\upsilon \]towards a light source- If the velocity of light is c, then velocity of light with respect to observer will be:

    A) \[c-\upsilon \]

    B) \[c\]

    C) \[c+\upsilon \]

    D) \[\sqrt{1-{{\upsilon }^{2}}/{{c}^{2}}}\]

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  • question_answer54) In a showing figure find the equivalent resistance between A and B.

    A) 2/3 ohm

    B) 5/ ohm

    C) 8/9 ohm

    D) 7.5 ohm

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  • question_answer55) In a circuit 20\[\Omega \] resistance and 0.4 H inductance arc connected with a source of 220 volt of frequency 50 Hz, then the value \[\phi \]is:

    A) \[{{\tan }^{-1}}(4\pi )\]

    B) \[{{\tan }^{-1}}(2\pi )\]

    C) \[{{\tan }^{-1}}(1\pi )\]

    D) \[{{\tan }^{-1}}(3\pi )\]

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  • question_answer56) Choose correct statement regarding electric lines of force:

    A) emerges from\[(-\upsilon e)\] charge and meet from \[(-\upsilon e)\]charge

    B) where the electric lines of force are close electric field in that region is strong

    C) Just as it is shown for a point system in the same way it represent for a solid sphere

    D) has a physical nature

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  • question_answer57) V= 100 sin 100t, \[I=100\] sin \[(100t+\pi /6\] then find the watt less power:

    A) \[{{10}^{4}}\,W\]

    B) \[{{10}^{3}}\,W\]

    C) \[{{10}^{2}}\,W\]

    D) \[4330\,W\]

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  • question_answer58) A galvanometer is connected with potentiometer gives null deflection, in which place current will be zero:

    A) potentiometer wire

    B) main circuit

    C) galvanometer circuit

    D) battery

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  • question_answer59) In periodic table, if elements n > 5 does not exist then total number of elements will be:

    A) 50

    B) 60

    C) 110

    D) 182

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  • question_answer60) Lenzs law represent:

    A) relation between \[I\] and B

    B) relation between magnetic force and magnetic field

    C) relation between e.m.f. and rate of change of flux

    D) none of these

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  • question_answer61) A cylinder of length Land radius R, whose axis is parallel to electric field. Find the total electric flux ejected from the surface of cylinder:

    A) \[2\pi {{R}^{2}}E\]

    B) \[\pi {{R}^{2}}L/E\]

    C) \[\pi {{R}^{2}}LE\]

    D) zero

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  • question_answer62) A person is observing of two trains each of velocity is 4 m/s. A train is coming towards an observer frequency of each whistle is 240 Hz then the beats heard by an observer will be : (\[\upsilon \] = 320 m/s)

    A) zero

    B) 3

    C) 6

    D) 5

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  • question_answer63) Diffraction pattern for a plane progressive wave is obtained from the edges of a disc. If screen is taken nearby the disc then the intensity of diffraction pattern will be:

    A) increases

    B) decreases

    C) remain unchanged

    D) first increases and then decreases

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  • question_answer64) Two ions\[A:{{Z}_{1}}=24\] and charge = e and B \[:{{Z}_{2}}=22\] and charge = 2e are enter in a transverse uniform magnetic field with same velocity in mass spectrograph then the ratio of their radii are:

    A) \[\frac{11}{24}\]

    B) \[\frac{12}{11}\]

    C) \[\frac{11}{22}\]

    D) \[\frac{24}{11}\]

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  • question_answer65) If prism angle\[\alpha =1{}^\circ ,\,\mu =1.54,\] distance between screen and prism \[(b)=0.7\,m,\] distance between prism and source \[a=0.3\,m,\] \[\lambda =180\pi \] nm then in Fresnal \[\] biprism find the value of P (finge width):

    A) \[{{10}^{-4}}m\]

    B) \[{{10}^{-3}}mm\]

    C) 10-4\[\times \pi m\]

    D) \[\pi \times \]10-3m

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  • question_answer66) Magnetic field at point 0 will be :

    A) \[\frac{{{\mu }_{0}}I}{2R}\]interior

    B) \[\frac{{{\mu }_{0}}I}{2R}\]exterior

    C) \[\frac{{{\mu }_{0}}I}{2R}\left( 1-\frac{1}{\pi } \right)\]

    D) \[\frac{{{\mu }_{0}}I}{2R}\left( 1+\frac{1}{\pi } \right)\]exterior

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  • question_answer67) Find the ratio of electric field at the position of end on and equator of a dipole:

    A) 1 : 2

    B) 2 : 1

    C) 1 : 1

    D) 1 : 3

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  • question_answer68) Current\[I\]is flowing in a conducting circular loop of radius R. It is kept in a magnetic field B which is perpendicular to the plane of circular loop. Find the magnetic force acting on the loop:

    A) \[IRB\]

    B) \[2\pi IRB\]

    C) zero

    D) \[\pi IRB\]

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  • question_answer69) According to Bohrs model of hydrogen atom, relation between principal quantum number n and radius of stable orbit:

    A) \[r\propto \frac{1}{n}\]

    B) \[r\propto n\]

    C) \[r\propto \frac{1}{{{n}^{2}}}\]

    D) \[r\propto {{n}^{2}}\]

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  • question_answer70) An open organ pipe of length 33 cm, vibratos with frequency 1000 Hz. If velocity of sound in 330 m/s. Then its frequency is:

    A) fundamental frequency

    B) first overtone of pipe

    C) second overtone

    D) fourth overtone

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  • question_answer71) Find the ratio of moment inertia of a ring about an axis passing through the circumference and perpendicular to the plane to the moment inertia about its diameter:

    A) 1 : 4

    B) 4 : 1

    C) 1 : 2

    D) 2 : 1

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  • question_answer72) A stone of mass 0.2 kg is tied to one end of a thread of length 0.1 m2 whirled in a vertical circle. When the stone is at the lowest point of circle, tension m thread is 52N, then velocity of the stone will be:

    A) 4 m/s

    B) 5 m/s

    C) 6 m/s

    D) 7 m/s

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  • question_answer73) The ratio of kinetic energy to total energy, for\[{{n}^{th}}\] shell of an atom will be:

    A) 1

    B) -1

    C) \[_{l}2\]

    D) \[\frac{1}{{{n}^{2}}}\]

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  • question_answer74) 40 W, 100 W and 200 W bulbs are connected with a source of 200 V. Rating of all bulbs arc also 200 V, Now, they are connected in series, then which bulbs will glow more:

    A) 300W

    B) 100W

    C) 40 W

    D) all gives same light

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  • question_answer75) Two simple pendulum first of bob mass \[{{M}_{1}}\] and length \[{{L}_{1}}\] second of bob mass \[{{M}_{2}}\] and length \[{{L}_{2.}}\,{{M}_{1}}={{M}_{2}}\]and \[{{L}_{1}}=2{{L}_{2.}}\]If these vibrational energy of both is same. Then which is correct?

    A) Amplitude of B greater than A

    B) Amplitude of B smaller than A

    C) Amplitudes will be same

    D) None of these

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  • question_answer76) n equal cells having e.m.f. E and internal resistance r, are connected in circuit of a resistance R. Same current flows in circuit either they connected in series or parallel, if:

    A) \[R=nr\]

    B) \[R=\frac{r}{n}\]

    C) \[R={{n}^{2}}r\]

    D) \[R=r\]

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  • question_answer77) Which of the following wavelength is not possible for an X-ray tube which is operated at 40 kV.

    A) \[0.25\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[0.5\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[0.52\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[1\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer78) Transistor is more useful than triode-because:

    A) transistor are very small in size

    B) in transistor bearing capacity of heat is less than triode

    C) there is not need of heating in transistor

    D) none of these

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  • question_answer79) A stone is attached to the end of a string and whirled in horizontal circle, then :

    A) its linear and angular momentum are constant

    B) only linear momentum is constant

    C) its angular momentum is constant but linear momentum is variable

    D) both are variable

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  • question_answer80) A particle is executing S.H.M. of frequency 300 Hz and with amplitude 0.1 cm. Its maximum velocity will be:

    A) \[60\,\pi \,cm/s\]

    B) \[0.6\,\pi \,cm/s\]

    C) \[0.50\,\pi \,cm/s\]

    D) \[0.05\,\pi \,cm/s\]

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  • question_answer81) Which type of losses occurs in transformer?

    A) Mechanical

    B) Copper

    C) Hysterists

    D) Eddy current

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  • question_answer82) A sound wave of frequency 5Hz, has velocity 360 m/s. If phase difference between two particles is\[60{}^\circ \], then path difference will be:

    A) 1.2m

    B) 12m

    C) 2.1 m

    D) 0.21m

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  • question_answer83) Positively charged rays/particles are :

    A) \[\text{-}\]rays

    B) neutron

    C) ion

    D) electrons magnetic radiation

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  • question_answer84) A body is rotating with uniform angular acceleration. If it starts from rest then after time t, angular displacement is proportional to:

    A) \[\sqrt{t}\]

    B) \[t\]

    C) \[{{t}^{3}}\]

    D) \[{{t}^{2}}\]

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  • question_answer85) The time period of a simple pendulum in a stationary lift 10 T. when the lift falls freely, then its time period will be:

    A) T

    B) 2T

    C) \[\infty \]

    D) 0

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  • question_answer86) Linear density of a string is \[1.3\times {{10}^{-4}}\,kg/m\] and wave equation is y = 0.021 sin (x + 30 0. Find the tension in the string where x in metre and t in second:

    A) 0.12 N

    B) 0.21 N

    C) 1.2 N

    D) 0.012 N

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  • question_answer87) Point of suspension and point of oscillation have:

    A) same time period and can be inter changeable

    B) same time period and non inter changeable

    C) unequal time period and can be inter changeable

    D) unequal time period and in inter changeable

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  • question_answer88) Graph between absolute temperature T and square of sound velocity will be:

    A) circular

    B) elliptical

    C) straight line with positive slope

    D) straight line with negative slope

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  • question_answer89) If diode is ideal then potential at A will be:

    A) 0.0V

    B) 0.3V

    C) 0.7V

    D) 6.0V

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  • question_answer90) If a light wave passes through transparent medium (like as glass). Then:

    A) velocity of all light waves will be same

    B) velocity of longer wavelength will be

    C) velocity of longest wavelength will be maximum

    D) velocity of shorter wavelength will be maximum

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  • question_answer91) Length of a potentiometer wire is kept more and uniform to achieve :

    A) uniform and more potential gradient

    B) non-uniform and more potential gradient

    C) uniform and less potential gradient

    D) non-uniform and less potential gradient

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  • question_answer92) When temperature of a gas is increased, then which of the following is always true:

    A) work is done on the gas

    B) heat is supplied to gas

    C) energy of gas is increased

    D) pressure of a gas does not increased

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  • question_answer93) Which of the following statement is incorrect according to assumptions of kinetic theory of gases?

    A) Potential energy of a molecule is zero

    B) Molecules moves randomly in all directions

    C) Kinetic energy of molecules change when they collids with wall of container

    D) None of these

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  • question_answer94) Electromagnets are made of soft iron (because soft iron have :

    A) low retentivity and high susceptibility

    B) low retentivity and low susceptibility

    C) high retentivity and high susceptibility

    D) high retentivity and low susceptibility

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  • question_answer95) The lines of magnetic induction due to a current carrying straight long conductor:

    A) parallel to wire

    B) perpendicular to wire

    C) concentric circular

    D) none of these

    View Answer play_arrow
  • question_answer96) Real power consumption in a circuit is least when it contains :

    A) high R low L

    B) high R high L

    C) low R high L

    D) high R low C

    View Answer play_arrow
  • question_answer97) For constant plate voltage, plate current will be maximum when :

    A) \[{{V}_{G}}+\upsilon e,{{V}_{p}}=-\upsilon e\]

    B) \[{{V}_{G}}+\upsilon e,{{V}_{p}}=+\upsilon e\]

    C) \[{{V}_{G}}-\upsilon e,{{V}_{p}}=+\upsilon e\]

    D) \[{{\upsilon }_{G}}=0,\,{{V}_{p}}=+\,\upsilon e\]

    View Answer play_arrow
  • question_answer98) For given arrangement (in horizontal plane) the possible direction of magnetic field:

    A) towards right

    B) towards left

    C) vertically upward

    D) vertically downward

    View Answer play_arrow
  • question_answer99) How many unpaired electrons are present in cobalt \[[Co]\] metal?

    A) \[2\]

    B) \[3\]

    C) \[4\]

    D) \[7\]

    View Answer play_arrow
  • question_answer100) Isoelectronic species is:

    A) \[{{F}^{-}},{{O}^{-2}}\]

    B) \[{{F}^{-}},O\]

    C) \[{{F}^{-}},{{O}^{+}}\]

    D) \[{{F}^{-}},{{O}^{+2}}\]

    View Answer play_arrow
  • question_answer101) How many-ions are produce in aqueous solution of \[[Co{{({{H}_{2}}O)}_{6}}]C{{l}_{2}}\]?

    A) \[2\]

    B) \[3\]

    C) \[4\]

    D) \[6\]

    View Answer play_arrow
  • question_answer102) The magnetic quantum number of valence electron of sodium \[(Na)\] is:

    A) \[3\]

    B) \[2\]

    C) \[1\]

    D) \[0\]

    View Answer play_arrow
  • question_answer103) For the reaction, \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g);\] \[{{K}_{P}}\]is:

    A) \[{{K}_{P}}={{P}_{(CaC{{O}_{3}})}}\]

    B) \[{{K}_{P}}={{P}_{(C{{O}_{2}})}}\]

    C) \[{{K}_{P}}=\frac{1}{{{P}_{(CaC{{O}_{3}})}}}\]

    D) \[{{K}_{P}}=\frac{1}{{{P}_{(C{{O}_{2}})}}}\]

    View Answer play_arrow
  • question_answer104) The relationship between ionization and change in concentration of any weak electrolyte is represented as:

    A) \[\alpha =\frac{{{K}_{a}}}{C}\]

    B) \[\alpha =\sqrt{\frac{{{K}_{a}}}{C}}\]

    C) \[\alpha ={{K}_{a}}.C\]

    D) \[\alpha =\frac{\sqrt{{{K}_{a}}}}{{{C}^{2}}}\]

    View Answer play_arrow
  • question_answer105) Which compound decolorizes iodine solution?

    A) \[{{H}_{2}}S{{O}_{4}}\]

    B) \[N{{a}_{2}}S\]

    C) \[N{{a}_{2}}S{{O}_{4}}\]

    D) \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]

    View Answer play_arrow
  • question_answer106) Which quantum number is not related with Schrodinger equation?

    A) Principal

    B) Azimuthal

    C) Magnetic

    D) Spin

    View Answer play_arrow
  • question_answer107) Which of following is not Lewis base?

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

    B) \[P{{H}_{3}}\]

    C) \[{{(C{{H}_{3}})}_{3}}N\]

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

    View Answer play_arrow
  • question_answer108) An element have atomic weight 40 and its electronic configuration is \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}\] . Then its atomic number and number of neutrons will be:

    A) \[18\] and \[22\]

    B) \[22\] and \[18\]

    C) \[20\] and \[20\]

    D) \[40\] and \[18\]

    View Answer play_arrow
  • question_answer109) An alcoholic drinks substance \[pH=4.7\] then \[^{-}OH\] ion concentration of this solution is:

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

    B) \[5\times {{10}^{-10}}\]

    C) \[1\times {{10}^{-10}}\]

    D) \[5\times {{10}^{-2}}\]

    View Answer play_arrow
  • question_answer110) Which of the following is weakest bond?

    A) Ionic

    B) Covalent

    C) Metallic

    D) van der Waals

    View Answer play_arrow
  • question_answer111) \[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{+3}}\] is paramagnetic in nature due to:

    A) one unpaired \[{{e}^{-}}\]

    B) Two unpaired \[{{e}^{-}}\]

    C) three unpaired \[{{e}^{-}}\]

    D) no unpaired \[{{e}^{-}}\]

    View Answer play_arrow
  • question_answer112) Which of the following has lowest first ionization energy?

    A) \[H\]

    B) \[He\]

    C) \[Xe\]

    D) \[Li\]

    View Answer play_arrow
  • question_answer113) Chlorophyll contains:

    A) \[Fe\]

    B) \[Na\]

    C) \[Mg\]

    D) \[Zn\]

    View Answer play_arrow
  • question_answer114) The bond angle of water \[{{104}^{o}}31\] due to:

    A) repulsion between \[1p\] and bond pair

    B) \[s{{p}^{3}}\]-hybridization of O

    C) H-bonding

    D) higher electronegativity of O

    View Answer play_arrow
  • question_answer115) Maximum oxidation state of \[Cr\] is:

    A) \[3\]

    B) \[4\]

    C) \[6\]

    D) \[7\]

    View Answer play_arrow
  • question_answer116) At \[298\text{ }K,\] the solubility of \[PbC{{l}_{2}}\]is \[2\times {{10}^{-2}}\text{ }mol/litre\]then \[{{K}_{sp}}=?\]:

    A) \[1\times {{10}^{-7}}\]

    B) \[3.2\times {{10}^{-2}}\]

    C) \[1\times {{10}^{-5}}\]

    D) \[3.2\times {{10}^{-5}}\]

    View Answer play_arrow
  • question_answer117) For \[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}\] .equilibrium constant is K then equilibrium constant for \[2{{N}_{2}}+6{{H}_{2}}4N{{H}_{3}}\]:

    A) \[\sqrt{K}\]

    B) \[{{K}^{2}}\]

    C) \[\frac{K}{2}\]

    D) \[\sqrt{\frac{1}{K}}+1\]

    View Answer play_arrow
  • question_answer118) Which solution used as electrolyte in aluminium metal extraction?

    A) \[A{{l}_{2}}{{O}_{3}}.{{H}_{2}}O\]

    B) \[A{{l}_{2}}{{O}_{3}}.{{H}_{2}}O\] and \[N{{a}_{3}}Al{{F}_{6}}\](molten solution)

    C) \[A{{l}_{2}}{{O}_{3}}\]

    D) None of these

    View Answer play_arrow
  • question_answer119) Which of the following most reducing agent?

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

    B) \[Na\]

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

    D) \[Cr\]

    View Answer play_arrow
  • question_answer120) \[C{{N}^{\bigcirc -}}\] solution used in extraction of which metal:

    A) \[Ag\]

    B) \[Ti\]

    C) \[Zn\]

    D) \[Sn\]

    View Answer play_arrow
  • question_answer121) What conclusion come from Rutherford \[\alpha \]-particle scattering experiment?

    A) Nucleus is made up of proton and electron

    B) Number of electron and proton are same

    C) Proton is small positively charged centre

    D) Electron spin continuously in a energy shell

    View Answer play_arrow
  • question_answer122) Oxidation state of \[Fe\] in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]:

    A) \[2\]

    B) \[3\]

    C) \[0\]

    D) none of these

    View Answer play_arrow
  • question_answer123) Conjugate base of \[N{{H}_{3}}\]is:

    A) \[N{{H}_{4}}^{\oplus }\]

    B) \[N{{H}_{2}}^{\oplus }\]

    C) \[N{{H}_{2}}^{\bigcirc -}\]

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

    View Answer play_arrow
  • question_answer124) Blood pH remain constant due to presence of:

    A) acidic solution

    B) basic solution

    C) blood protein

    D) buffer effect

    View Answer play_arrow
  • question_answer125) Which of the following not Lewis acid?

    A) \[AlC{{l}_{3}}\]

    B) \[FeC{{l}_{3}}\]

    C) \[BC{{l}_{3}}\]

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

    View Answer play_arrow
  • question_answer126) Aqueous solution of \[AlC{{l}_{3}}\] is:

    A) acidic

    B) basic

    C) amphoteric

    D) none of these

    View Answer play_arrow
  • question_answer127) Electronic configuration of \[F{{e}^{+2}}\] is:

    A) \[[Ar]\,4{{s}^{2}}\,3{{d}^{6}}\]

    B) \[[Ar]\,\,3{{d}^{6}}\]

    C) \[[Ar]\,\,4{{s}^{2}}3{{d}^{4}}\]

    D) \[[Ar]\,\,4{{s}^{2}}3{{d}^{0}}\]

    View Answer play_arrow
  • question_answer128) Relation between \[{{K}_{p}}\] and \[{{K}_{c}}\] is:

    A) \[{{K}_{c}}={{K}_{p}}{{(RT)}^{\Delta n}}\]

    B) \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\]

    C) \[{{K}_{c}}={{K}_{p}}{{(RT)}^{-\Delta n}}\]

    D) both (b) and (c)

    View Answer play_arrow
  • question_answer129) Indicator which not used for titration of \[{{S}_{A}}\] and \[{{S}_{B}}\]?

    A) \[MeOH\]

    B) \[HPh\]

    C) Aniline blue

    D) starch

    View Answer play_arrow
  • question_answer130) In this reaction, \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}{{I}_{3}}^{\bigcirc -}\]Lewis base is:

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

    B) \[{{I}^{\bigcirc -}}\]

    C) \[{{I}_{3}}^{\bigcirc -}\]

    D) none of these

    View Answer play_arrow
  • question_answer131) \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g)\] In this reaction when increase pressure the reaction direction is:

    A) does not change

    B) forward

    C) backward

    D) decrease

    View Answer play_arrow
  • question_answer132) Chemical property of \[Li\] and \[Mg\] is similar because:

    A) these belong to same group

    B) both IP is same

    C) shows diagonal relationship

    D) both EA is same

    View Answer play_arrow
  • question_answer133) Which property does not change in a group of periodic table?

    A) Electronegativity

    B) Atomic size

    C) Electron affinity

    D) Valence \[{{e}^{-}}\]

    View Answer play_arrow
  • question_answer134) Correct for \[{{N}_{2}}\] triple bond:

    A) \[3\sigma \]

    B) \[1\pi ,\,2\sigma \]

    C) \[2\pi ,1\sigma \]

    D) \[3\pi \]

    View Answer play_arrow
  • question_answer135) If in hybrid orbital s-orbital character increases, then bond angle:

    A) increases

    B) decreases

    C) zero

    D) does not change

    View Answer play_arrow
  • question_answer136) Sodium gives blue colour with \[N{{H}_{3}}\] solution this blue colour due to:

    A) ammoniated \[N{{a}^{\oplus }}\]

    B) ammoniated \[N{{a}^{\bigcirc -}}\]

    C) ammoniated \[{{e}^{-}}\]

    D) \[N{{a}^{+}}/N{{a}^{-}}\] pair

    View Answer play_arrow
  • question_answer137) When \[{{H}_{2}}S\] is passed through a mixture containing \[C{{u}^{+2}},\] \[N{{i}^{+2}},\] \[Z{{n}^{+2}}\]in acidic solution then ion will precipitate:

    A) \[C{{u}^{+2}},N{{i}^{+2}}\]

    B) \[N{{i}^{+2}}\]

    C) \[C{{u}^{+2}},Z{{n}^{+2}}\]

    D) \[C{{u}^{+2}}\]

    View Answer play_arrow
  • question_answer138) pH of human blood is \[7.4\]. Then \[{{H}^{+}}\] concentration will be:

    A) \[4\times {{10}^{-8}}\]

    B) \[2\times {{10}^{-8}}\]

    C) \[4\times {{10}^{-4}}\]

    D) \[2\times {{10}^{-4}}\]

    View Answer play_arrow
  • question_answer139) In the conversion \[B{{r}_{2}}\to Br{{O}_{3}}^{-}\] oxidation state of bromine changes:

    A) \[0\] to \[5\]

    B) \[1\]to \[3\]

    C) \[2\] to\[4\]

    D) \[5\]to \[1\]

    View Answer play_arrow
  • question_answer140) Oxidation state of oxygen in \[{{H}_{2}}{{O}_{2}}\]is:

    A) \[-1\]

    B) \[+1\]

    C) \[-2\]

    D) \[+2\]

    View Answer play_arrow
  • question_answer141) Which compound aqueous solution is colored?

    A) \[Zn{{(N{{O}_{3}})}_{2}}\]

    B) \[LiN{{O}_{3}}\]

    C) \[Co{{(N{{O}_{3}})}_{2}}\]

    D) \[Ba{{(N{{O}_{3}})}_{2}}\]

    View Answer play_arrow
  • question_answer142) Property of ionic compound is:

    A) high M.R and high B.R

    B) high M,R and low B.R

    C) low M.R and high B.R

    D) low M.R and low B.R

    View Answer play_arrow
  • question_answer143) Collins reagent is:

    A) \[Mn{{O}_{2}}/HCl\]

    B) \[Mn{{O}_{4}}/{{C}_{5}}{{H}_{5}}N\]

    C) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}_{2}}S{{O}_{4}}\]

    D) \[C{{r}_{2}}{{O}_{3}}/2{{C}_{5}}{{H}_{5}}N\]

    View Answer play_arrow
  • question_answer144) On reacting with G.R. acetone gives:

    A) \[{{1}^{o}}\] alcohol

    B) \[{{2}^{o}}\]alcohol

    C) \[{{3}^{o}}\] alcohol

    D) none of these

    View Answer play_arrow
  • question_answer145) Depletion of ozone layer caused by:

    A) freon

    B) alkane

    C) Gringard reagent

    D) all of these

    View Answer play_arrow
  • question_answer146) Which compound shows dipole moment?

    A) 1, 4-di-chloro benzene

    B) 1, 2 -di-chloro benzene

    C) trans-1, 2 di-chloro ethane

    D) frans-2-butene

    View Answer play_arrow
  • question_answer147) Product formed by reaction between primary amine \[CHC{{l}_{3}}\] and alcoholic \[KOH\]:

    A) cynide

    B) iso cynide

    C) nitro amine

    D) alkane

    View Answer play_arrow
  • question_answer148) IUPAC name of compound is: \[C{{H}_{3}}-C{{H}_{2}}-CH(C{{H}_{3}})-C{{H}_{2}}-COCl\]

    A) 3-methyl pentanoyl chloride

    B) 3-methyl butanoyl chloride

    C) 1-chloro-3-methyl pentanol

    D) none of the above

    View Answer play_arrow
  • question_answer149) Which statement is true?

    A) The bp. of diethyl ether and \[{{C}_{2}}{{H}_{5}}OH\] is equal

    B) Diethyl ether have dipole moment

    C) Diethyl ether high dissolve in water

    D) Diethyl ether is Lewis acid

    View Answer play_arrow
  • question_answer150) What product is formed when acetic acid react with \[{{P}_{2}}{{O}_{5}}\]?

    A) Acetyl chloride

    B) Trichloro acetic acid

    C) Acetic anhydride

    D) Di-chloro acetic acid

    View Answer play_arrow
  • question_answer151) What product is formed when diethyl ether on exposure to sunlight and air with a long period?

    A) Peroxide

    B) Ethyl alcohol

    C) Di-ethyl ketone

    D) Ethane

    View Answer play_arrow
  • question_answer152) Hybridisation of O atom in ether is:

    A) \[s{{p}^{3}}\]

    B) \[s{{p}^{2}}\]

    C) \[sp\]

    D) \[ds{{p}^{2}}\]

    View Answer play_arrow
  • question_answer153) What product is formed when 1-chlorobutane react with alcoholic \[KOH\]?

    A) \[1-Butene\]

    B) \[2-Butene\]

    C) \[1-Butanol\]

    D) \[2-Butaneol\]

    View Answer play_arrow
  • question_answer154) Which compound give \[C{{O}_{2}}\] with\[NaHC{{O}_{3}}\]?

    A) Phenol

    B) Phenol + acetic acid

    C) n-butanol

    D) Acetic acid

    View Answer play_arrow
  • question_answer155) Primary \[({{1}^{o}}),\] secondary \[({{2}^{o}}),\] tertiary \[({{3}^{o}})\]alcohol order of boiling point is:

    A) \[{{1}^{o}}>{{2}^{o}}>{{3}^{o}}\]

    B) \[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}\]

    C) \[{{2}^{o}}>{{1}^{o}}>{{3}^{o}}\]

    D) \[{{2}^{o}}>{{3}^{o}}>{{1}^{o}}\]

    View Answer play_arrow
  • question_answer156) Process by which formation of acetone take place:

    A) pyrolysis of \[C{{H}_{3}}COOH\]

    B) oxidation of \[C{{H}_{3}}COOH\]

    C) pyrolysis of calcium acetate

    D) oxidation of n-propyl alcohol

    View Answer play_arrow
  • question_answer157) Which of the following is not a member of homologus series?

    A) Ethene

    B) 1-butene

    C) 2-butene

    D) 2-butyne

    View Answer play_arrow
  • question_answer158) Calcium carbide on hydrolysis form:

    A) ethane

    B) ethylene

    C) methane

    D) acetylene

    View Answer play_arrow
  • question_answer159) Which of following gives \[{{H}_{2}}S\] gas with \[Na\]?

    A) \[C{{H}_{4}}\]

    B) \[{{C}_{2}}{{H}_{6}}\]

    C) \[{{C}_{2}}{{H}_{4}}\]

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

    View Answer play_arrow
  • question_answer160) Which of following exist as zwitter ion?

    A) Ammonium acetate

    B) Ethyl acetate

    C) Glycine

    D) Aniline hydrochloride

    View Answer play_arrow
  • question_answer161) Compound which is used for separation of acetone and acetophenone?

    A) Sodium bisulphite

    B) Girgnard reagent

    C) Sodium sulphate

    D) Ammonium chloride

    View Answer play_arrow
  • question_answer162) Which compound is chiral?

    A) Butane

    B) 1-Chloro-2-methyl butane

    C) 2-Methyl butane

    D) 2-Methyl propane

    View Answer play_arrow
  • question_answer163) General formula of paraffin is:

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

    B) \[{{C}_{n}}{{H}_{2n-2}}\]

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

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

    View Answer play_arrow
  • question_answer164) Methyl acetate and propionic acid are:

    A) functional isomer

    B) structural isomer

    C) stereo isomer

    D) geometrical isomer

    View Answer play_arrow
  • question_answer165) Et. \[MgBr+C{{O}_{2}}\to \]Product is:

    A) \[{{C}_{3}}{{H}_{7}}COOH\]

    B) \[{{C}_{2}}{{H}_{5}}COOH\]

    C) \[{{C}_{4}}{{H}_{9}}COOH\]

    D) \[HCOOH\]

    View Answer play_arrow
  • question_answer166) \[H-C\equiv C-HC=C{{H}_{2}}\] compound have hybridisation of \[C-C\] single bond is:

    A) \[s{{p}^{3}}-s{{p}^{3}}\]

    B) \[s{{p}^{3}}-s{{p}^{2}}\]

    C) \[sp-s{{p}^{2}}\]

    D) \[sp-s{{p}^{3}}\]

    View Answer play_arrow
  • question_answer167) \[RCON{{H}_{2}}+B{{r}_{2}}+KOH\to \]main product is:

    A) \[RCN\]

    B) \[RCON{{H}_{2}}\]

    C) \[R-C{{H}_{2}}-N{{H}_{2}}\]

    D) \[RN{{H}_{2}}\]

    View Answer play_arrow
  • question_answer168) Total isomer of \[{{C}_{4}}{{H}_{10}}\] is:

    A) zero

    B) \[2\]

    C) \[3\]

    D) \[4\]

    View Answer play_arrow
  • question_answer169) Which compound increases ant knocking property of gasoline?

    A) \[{{({{C}_{2}}{{H}_{5}})}_{4}}Pb\]

    B) \[{{({{C}_{2}}{{H}_{5}})}_{2}}Pb\]

    C) \[{{(C{{H}_{3}})}_{4}}Pb\]

    D) \[{{(C{{H}_{3}})}_{2}}Pb\]

    View Answer play_arrow
  • question_answer170) Bayers reagent is used for detection of:

    A) amines

    B) glucose

    C) unsaturated bond

    D) alcohol

    View Answer play_arrow
  • question_answer171) Which compound does not give Cannizzaros is reaction?

    A) N.O.T.

    B) Benzaldehyde

    C) Formaldehyde

    D) Acetaldehyde

    View Answer play_arrow
  • question_answer172) A and B react with \[Na\] gives \[{{H}_{2}}\] gas and by reaction of both A and B formed ethyl acetate is formed then A and B is:

    A) \[C{{H}_{3}}COOH,{{C}_{2}}{{H}_{5}}OH\]

    B) \[C{{H}_{3}}COOH,C{{H}_{3}}OH\]

    C) \[{{C}_{3}}{{H}_{7}}COOH,{{C}_{3}}{{H}_{7}}OH\]

    D) \[HCOOH,C{{H}_{3}}COOH\]

    View Answer play_arrow
  • question_answer173) A compound \[{{C}_{5}}{{H}_{8}}\] which give white ppt. with ammonical \[AgN{{O}_{3}}\]. A give \[{{(C{{H}_{3}})}_{2}}CHCOOH\]with hot alkaline \[KMn{{O}_{4}}\]then compound is:

    A) \[C{{H}_{3}}C{{H}_{2}}-C{{H}_{2}}-CH=C{{H}_{2}}\]

    B) \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\]

    C) \[{{(C{{H}_{3}})}_{2}}CH-C\equiv CH\]

    D) \[C{{H}_{2}}=CH-C{{H}_{2}}-CH=C{{H}_{2}}\]

    View Answer play_arrow
  • question_answer174) Acidic order of tri-chloroacetic acid , tri-fluro acetic acid (A), acetic acid (C) is:

    A) \[A>B>C\]

    B) \[B>A>C\]

    C) \[C>A>B\]

    D) \[B=A=C\]

    View Answer play_arrow
  • question_answer175) Which of the following is Teflon?

    A) \[{{[-C{{F}_{2}}-C{{F}_{2}}-]}_{n}}\]

    B) \[C{{F}_{2}}=C{{F}_{2}}\]

    C) \[CF\equiv CF\]

    D) none of these

    View Answer play_arrow
  • question_answer176) Product formed by oxidation of isopropyl alcohol:

    A) propene

    B) acetyldehyde

    C) acetone

    D) ethane

    View Answer play_arrow
  • question_answer177) Electrophilic substitution reaction in phenol take place at:

    A) para position

    B) meta position

    C) ortho position

    D) o and p position

    View Answer play_arrow
  • question_answer178) Which compound gives iodoform by reaction with \[{{I}_{2}}\] and \[NaOH\]?

    A) \[C{{H}_{3}}OH\]

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

    C) \[{{C}_{3}}{{H}_{7}}OH\]

    D) \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\]

    View Answer play_arrow
  • question_answer179) Aryl halide is less reactive than alkyl halide towards nucleophilic substitution because:

    A) less stable carbonium ion

    B) due to large \[C-Cl\]bond energy

    C) inductive effect

    D) resonance stabilization and \[s{{p}^{2-}}\]hybridisation of C attached to halide

    View Answer play_arrow
  • question_answer180) IUPAC name of \[C{{H}_{2}}=CH-CH{{(C{{H}_{3}})}_{2}}:\]

    A) vinyl is propane

    B) 3-methyl-1-butene

    C) 3-methyl-2-butene

    D) 1-methyl-3-butene

    View Answer play_arrow
  • question_answer181) Which of the following gives most stable carbocation by dehydration?

    A) \[{{(C{{H}_{3}})}_{2}}CH-OH\]

    B) \[{{(C{{H}_{3}})}_{2}}C-OH\]

    C) \[C{{H}_{3}}-C{{H}_{3}}-OH\]

    D) \[C{{H}_{3}}-C{{H}_{2}}-O-C{{H}_{2}}-C{{H}_{3}}\]

    View Answer play_arrow
  • question_answer182) Common name of phosgene is:

    A) phosphonyl chloride

    B) carbonyl chloride

    C) carbon tetra chloride

    D) tri-phenyl phosphene

    View Answer play_arrow
  • question_answer183) Glucose \[\to \] ethyl alcohol in this reaction enzyme is

    A) zymase

    B) invertase

    C) maltase

    D) diastage

    View Answer play_arrow
  • question_answer184) Increasing order of acidity:

    A) m-nitro phenol < p - nitro phenol < phenol < p-methyl phenol

    B) p-methyl phenol < phenol < m-nitro phenol < nitro phenol

    C) phenol < p-methyl phenol < p-nitro phenol < m-nitro phenol

    D) all have same acidity

    View Answer play_arrow
  • question_answer185) Nylon 66 is:

    A) polyamide

    B) polyester

    C) polystyrene

    D) polyvinyl

    View Answer play_arrow
  • question_answer186) Normal butane convert into isobutane by:

    A) \[LiAl{{H}_{4}}\]

    B) \[AlC{{l}_{3}}\]

    C) \[NaB{{H}_{4}}\]

    D) \[Zn/HCl\]

    View Answer play_arrow
  • question_answer187) In the reaction, \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+HCl+NaN{{O}_{2}}\xrightarrow{{}}X\]product X is:

    A) aniline hydrochloride > with the

    B) nitro aniline

    C) benzene diazonium chloral

    D) none of these

    View Answer play_arrow
  • question_answer188) What is the main product of the reaction between 2-methyl propene with \[HBr\]?

    A) 1-bromo butane

    B) 1-bromo-2-methyl propane

    C) 2-bromo butane

    D) 2-bromo-2-methyl propane

    View Answer play_arrow
  • question_answer189) When aliphatic aldehyde heat with Fehling solution product formed is:

    A) \[CuO\]

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

    C) \[CuS{{O}_{4}}\]

    D) \[Cu\]

    View Answer play_arrow
  • question_answer190) Mesitylene is formed by:

    A) \[HCHO\]

    B) \[C{{H}_{3}}CHO\]

    C) \[C{{H}_{3}}COC{{H}_{3}}\]

    D) \[C{{H}_{3}}COOH\]

    View Answer play_arrow
  • question_answer191) The correct identification of unsaturated double bond in alkene is done by:

    A) hydrogenation

    B) dehydration

    C) ozonolysis

    D) photolysis

    View Answer play_arrow
  • question_answer192) How many TC-bonds are present in napthalene molecule?

    A) \[3\]

    B) \[4\]

    C) \[5\]

    D) \[6\]

    View Answer play_arrow
  • question_answer193) Hybridisation state of C in diamond is:

    A) \[sp\]

    B) \[s{{p}^{2}}\]

    C) \[s{{p}^{3}}\]

    D) \[s{{p}^{3}}d\]

    View Answer play_arrow
  • question_answer194) \[2Mn{{O}_{4}}^{\bigcirc -}+5{{H}_{2}}{{O}_{2}}+6{{H}^{+}}\to 2Z+5{{O}_{2}}+8{{H}_{2}}O\] In this reaction Z is:

    A) \[M{{n}^{+2}}\]

    B) \[M{{n}^{+4}}\]

    C) \[Mn{{O}_{2}}^{\bigcirc -}\]

    D) \[Mn\]

    View Answer play_arrow
  • question_answer195) Which of the following element does not occur in liquid form?

    A) \[Hg\]

    B) \[Li\]

    C) \[Ga\]

    D) \[Br\]

    View Answer play_arrow
  • question_answer196) Co-ordinate bond is absent in:

    A) \[B{{H}_{4}}^{\bigcirc -}\]

    B) \[C{{O}_{3}}^{-2}\]

    C) \[{{H}_{3}}{{O}^{+}}\]

    D) \[N{{H}_{4}}^{\oplus }\]

    View Answer play_arrow
  • question_answer197) Phenol is used in manufacture of:

    A) nylon

    B) polystyrene

    C) bakelite

    D) PVC

    View Answer play_arrow
  • question_answer198) Correct order of base strength is:

    A) \[E{{t}_{2}}NH>EtN{{H}_{2}}>E{{t}_{3}}N\]

    B) \[EtN{{H}_{2}}>E{{t}_{2}}NH>E{{t}_{3}}N\]

    C) \[E{{t}_{2}}NH>E{{t}_{3}}N>EtN{{H}_{2}}\]

    D) all have same base strength

    View Answer play_arrow
  • question_answer199) Reserpine is obtained from:

    A) Asafoetida

    B) Rauwolfia serpentine

    C) Curcuma longa

    D) Pnpaver sonimferum

    View Answer play_arrow
  • question_answer200) The coiling of tendril around some base in response to touch is called:

    A) hydrotaxis

    B) chcmotaxis

    C) thigmtropism

    D) geotaxis

    View Answer play_arrow
  • question_answer201) Sperm enters from which part of egg:

    A) anywhere in unfertilized egg from animal pole

    B) from animal pole in unfertilized egg

    C) in unfertilized egg from vegetal pole

    D) none of these above

    View Answer play_arrow
  • question_answer202) Seed coat is derived from:

    A) pericarp

    B) epicarp

    C) integuments of ovule

    D) nucellus

    View Answer play_arrow
  • question_answer203) 6 molecules glucose +6 molecules of \[{{O}_{2}}\] and 8 ADP combined to form \[6{{H}_{2}}O,\,6C{{O}_{2}}\] and:

    A) 38 molecules of ATP

    B) 28 ATP

    C) 38 ADP

    D) 28 ADP

    View Answer play_arrow
  • question_answer204) A characteristic feature of ovary of Brassica campestris is:

    A) presence of replum

    B) axilc placentation

    C) epigynous

    D) multilocular nature

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  • question_answer205) One of the characteristic of Hydra is:

    A) predation

    B) metamerism

    C) hibernation

    D) mimicry

    View Answer play_arrow
  • question_answer206) Where does exoerythrocytic cycle take place in life cycle of Plasmodium?

    A) RBC of human

    B) Human liver

    C) Stomach of Anopheles mosquito

    D) Salivary and of Anopheles mosquito

    View Answer play_arrow
  • question_answer207) Primary acceptor of \[C{{O}_{2}}\] in photosynthesis is:

    A) phosphoric acid

    B) ribulose phosphate

    C) glucose

    D) ribulose 1, 5 biphosphate

    View Answer play_arrow
  • question_answer208) If Hydra is cut transversely in three equal parts then:

    A) all three parts will die

    B) regeneration will occur in all the three parts

    C) regeneration will occur only in anterior

    D) regeneration occurs only in middle part

    View Answer play_arrow
  • question_answer209) Which of the following pair lack the unit membrane?

    A) Nucleus and ER

    B) Mitochondria and chloroplast

    C) Ribosome and nucleolus

    D) Golgi body and lysosome

    View Answer play_arrow
  • question_answer210) Which of the following statement is correct?

    A) In Cycas, megasporophyll produce pollen grains

    B) In Agaricus gills produce basidiospores

    C) In Aspergillus, fruiting body is perithecium

    D) In Funaria, capsule represents gametophytic generation

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  • question_answer211) The number of DNA in chromosome at G2 stage:

    A) one

    B) two

    C) four

    D) eight

    View Answer play_arrow
  • question_answer212) How many egg are found in egg chamber of female Cockroach?

    A) 2

    B) 4

    C) 8

    D) 16

    View Answer play_arrow
  • question_answer213) Which of the following is a disaccharide?

    A) Glucose

    B) Fructose

    C) Sucrose

    D) Galactose

    View Answer play_arrow
  • question_answer214) If all the peptide bonds of protein are broken, then the remaining part is :

    A) amide

    B) oligosaccharide

    C) polypeptide

    D) amino acid

    View Answer play_arrow
  • question_answer215) Periplaneta has no respiratory pigment in its blood because:

    A) air is conducted directly to the body tissues

    B) it has haemocoelom

    C) it has anaerobic respiration

    D) it lacks blood cell in blood

    View Answer play_arrow
  • question_answer216) Which is correct for meiotic metaphase\[\text{I}\]?

    A) Bivalents arc arranged at equator

    B) Univalents arc arranged at equator

    C) Non-homologous chromosomes forms pair

    D) Spindle fibres are attached at chromomere

    View Answer play_arrow
  • question_answer217) Hydrolysis of lipid yields:

    A) fats

    B) fatty acids and glycerol

    C) mannose and glyccrol

    D) maltose and fatty acid

    View Answer play_arrow
  • question_answer218) Ctenophora shows affinities with:

    A) Cnidaria

    B) Aschelminthes

    C) Cephalopoda

    D) Turbelaria

    View Answer play_arrow
  • question_answer219) In the following how the sap wood is converted into heart wood?

    A) By degeneration of protoplast of living cells

    B) Tylosis formation

    C) By deposition of resins, oil, gums etc

    D) All of these

    View Answer play_arrow
  • question_answer220) In which of the following animal cleavage divisions arc restricted to a small part of cytoplasm and nucleus in animal pole of egg?

    A) Cockroach

    B) Frog

    C) Chick

    D) Rabbit

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  • question_answer221) Exception of Mendels law is:

    A) independent assortment

    B) linkage

    C) purity of gametes

    D) none of these

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  • question_answer222) What type of gametes will form by genotype Rr Yy?

    A) RY, Ry, rY, ry

    B) RY, Ry, ry, ry

    C) Ry, Ry, Yy, ry

    D) Rr, RR, Yy, YY

    View Answer play_arrow
  • question_answer223) The position of protoxylem in leaf is:

    A) adaxial

    B) abaxial

    C) surrounded by metaxylem

    D) lateral

    View Answer play_arrow
  • question_answer224) In Pheretinia, locomotion occurs with the help of:

    A) circular muscles

    B) longitudinal muscles and setae

    C) circular, longitudinal muscles and setae

    D) parapodia

    View Answer play_arrow
  • question_answer225) The difference in phloem of gymnosperms and angiosperms is due to:

    A) parenchyma

    B) sieve cell

    C) companion cell

    D) fibres

    View Answer play_arrow
  • question_answer226) A type of life cycle in which plasmogamy, karyogamy, haplodization takes place but not at specific place in life cycle of an organism is called as:

    A) parasexuality

    B) heterozygosity

    C) homozygosity

    D) asexuality

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  • question_answer227) In Amorbn which controls the cytoplasmic osmality:

    A) nucleus

    B) ectoplasm

    C) biurets

    D) contractile vacuole

    View Answer play_arrow
  • question_answer228) Branched, aseptate, coenocytic mycelium present in:

    A) Aspergillus

    B) Albugo

    C) Penicillium

    D) Erysiphe

    View Answer play_arrow
  • question_answer229) In which of the following aestivation sepals/petals one margin covers the other and its margin is covered by previous one?

    A) valvate

    B) twisted

    C) imbricate

    D) quincuncial

    View Answer play_arrow
  • question_answer230) In Cockroach vision is due to:

    A) one compound eye

    B) only two compound eyes

    C) two simple eyes

    D) two compound and two simple eyes

    View Answer play_arrow
  • question_answer231) The economically important plant of Malvaceae:

    A) Gossypium hirstum

    B) Hibiscus cannabis

    C) Abelmoschus esculentum

    D) all of the above

    View Answer play_arrow
  • question_answer232) When tall and dwarf plants are crossed, from which cross 1 : 1 ratio is obtained?

    A) Tt and tt

    B) tt and tt

    C) \[Tt\times Tt\]

    D) TT and Tt

    View Answer play_arrow
  • question_answer233) The cells without nuclei are present in:

    A) vascular cambium

    B) root hair

    C) companion cell

    D) members of sieve tube

    View Answer play_arrow
  • question_answer234) Which of the following is not correctly matched?

    A) Rhinoncephalon-olfactory

    B) Hypothalamus-pituitary

    C) Cerebellum-balance

    D) Medulla oblongata-temperature regulation

    View Answer play_arrow
  • question_answer235) Pyruvic acid is the end product of which process?

    A) Krebs cycle

    B) Calvin cycle

    C) Pentose phosphate pathway

    D) Glycolysis

    View Answer play_arrow
  • question_answer236) The nutritive layer of micros porangia of

    A) endothecium

    B) exothecium

    C) sporogenous tissue

    D) tapetum

    View Answer play_arrow
  • question_answer237) The scientist who was awarded Nobel prize in 1959 for in vitro synthesis of polyribonucleotide:

    A) Komberg

    B) Calvin

    C) Khurana

    D) Ochoa

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  • question_answer238) Which of the following have sunken stomata?

    A) Nerium

    B) Manyfera

    C) Hydrilla

    D) Zea mays

    View Answer play_arrow
  • question_answer239) Heterocercal tail is found in:

    A) Cartilaginous fishes

    B) Bony fishes

    C) Whale

    D) Amphibians

    View Answer play_arrow
  • question_answer240) When a plasmolysis cells is placed in a hypotonic solution then water will move inside the cell. Which force causes this?

    A) DPD

    B) OF

    C) WP

    D) None of these

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  • question_answer241) Dormancy of seed is broken by:

    A) auxin

    B) gibberellins

    C) ethylene

    D) cytokinin

    View Answer play_arrow
  • question_answer242) Mitosis occurs in:

    A) haploid individuals

    B) diploid individuals

    C) in bacteria only

    D) both a and b

    View Answer play_arrow
  • question_answer243) Girth of dicot stem increases by the activity of:

    A) apical meristem

    B) intercalary meristem

    C) lateral meristem

    D) procambium meristem

    View Answer play_arrow
  • question_answer244) Group of two or more than two plant species is called as :

    A) plant community

    B) animal ecosystem

    C) Plant ecosystem

    D) ecological niche

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  • question_answer245) Which type of kidneys are found in amphibian?

    A) Holonephric

    B) Mesonephric

    C) Pronephric

    D) Metanephric

    View Answer play_arrow
  • question_answer246) That haploid cell which divides by mitosis to form embryo sac is :

    A) megaspore mother cell

    B) microspore mother cell

    C) functional megaspore

    D) non-functional megaspore

    View Answer play_arrow
  • question_answer247) One of the nucleotide of DNA:

    A) adenine

    B) deoxyadenylic acid

    C) adenosine

    D) deoxyuridine phosphate

    View Answer play_arrow
  • question_answer248) Which parts of cell have enzymes for glycolysis?

    A) Cytoplasm

    B) Mitochondria

    C) Golgi complex

    D) Nucleus

    View Answer play_arrow
  • question_answer249) Botanical name of species which cause white rust of Crucifers?

    A) Peronospora parasitica

    B) Puccinia graminis

    C) Pythium debargamim

    D) Albugo Candida

    View Answer play_arrow
  • question_answer250) What is haemozine?

    A) Undigested part of blood in trophozoite of Plasmodium

    B) Blood pigment of Anopheles

    C) Dcomposed blood in merozoites

    D) Granules in the blood of infected person

    View Answer play_arrow
  • question_answer251) Family Lilliaceae is characterized by:

    A) trimerous flower

    B) tetramerous flower

    C) pentamerous flower

    D) zygomorphic flower

    View Answer play_arrow
  • question_answer252) In sweet pea tendrils are modified:

    A) stipule

    B) stem

    C) leaf

    D) leaflet

    View Answer play_arrow
  • question_answer253) Root cap is absent in:

    A) mesophytes

    B) hydrophytes

    C) epiphytes

    D) xerophytes

    View Answer play_arrow
  • question_answer254) Which of the following nerve supplies organ of corti?

    A) Auditory

    B) Olfactory

    C) Trochlear

    D) Vagus

    View Answer play_arrow
  • question_answer255) Nucleic acid segement which is used to find the position of a gene and it forms a hybrid with this gene would be?

    A) Retrovirus

    B) Probe

    C) Vector

    D) Clone

    View Answer play_arrow
  • question_answer256) Insects eggs are :

    A) microlecithal and centrolecithal

    B) megalecithal and isolecithal

    C) megalecithal and centrolecithal

    D) megalecithal and telolacithal

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  • question_answer257) A pond is a:

    A) biome

    B) natural ecosystem

    C) artificial ecosystem

    D) community of plants and animals

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  • question_answer258) In crustaceans, respiration takes place by:

    A) gills

    B) book lungs

    C) ctenidia

    D) trachea

    View Answer play_arrow
  • question_answer259) Which of the two characters are typical of Ascaris ?

    A) Sexual dimorphism and rhabditiform larva

    B) Hennaphroditism and pseudocoelomic

    C) Parasitism and metamerism

    D) Multilocular heart.

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  • question_answer260) In a monohybrid cross when \[{{F}_{1}}\] is crossed with homozygous dominant parent then which type of offsprings will obtain?

    A) Dominant; recessive (3 : 1)

    B) Only recessive

    C) Dominant: recessive (1 : 1)

    D) No recessive

    View Answer play_arrow
  • question_answer261) Which one of the following body functions is not performed by kidneys?

    A) Excretion

    B) Osmoregulation

    C) Regulation of blood volume

    D) Destruction of dead blood corpuscles

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  • question_answer262) Which gland is associated with fur hairs of Rabbit?

    A) Mucous gland

    B) Sweat gland

    C) Mammary gland

    D) Sebaceous gland

    View Answer play_arrow
  • question_answer263) The study of fossils is called:

    A) Palynology

    B) Palaeontology

    C) Fossil systematic

    D) Pharmticognosy

    View Answer play_arrow
  • question_answer264) The body cavity of Ascaris is:

    A) lined by mesoderm

    B) not lined by mesoderm

    C) formed by octoderm

    D) filled with parenchyma

    View Answer play_arrow
  • question_answer265) The characteristic of blue-green algae is:

    A) DNA without histone

    B) nuclear membrane absent

    C) 70S ribosomes

    D) alt of the above

    View Answer play_arrow
  • question_answer266) Classification of sponges is primariy based on the:

    A) body organization

    B) body plan

    C) skeleton

    D) canal system

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  • question_answer267) In mammals corpus Inuteum is found in which organ?

    A) Brain

    B) Ovary

    C) Liver

    D) Eyes

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  • question_answer268) Which type of rhizoids are present in Riccia?

    A) Unicellular smooth

    B) Multicellular smooth

    C) Unicellular smooth and tuberculated

    D) Multicellular smooth and tuberculated

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  • question_answer269) Which character is found only in mammals?

    A) Neck

    B) Diaphragm

    C) Optic lobes of brain

    D) Tail

    View Answer play_arrow
  • question_answer270) Number of ATP obtained at the end of Krebs cycle are:

    A) 2 ATP

    B) 4 ATP

    C) 36 ATP

    D) 38 ATP

    View Answer play_arrow
  • question_answer271) Which is correct about the bile of Rabbit?

    A) It is synthesized by gall bladder and also stored there

    B) It is an enzyme which emulsify the fats

    C) It contain bile salts and bile pigments

    D) Bilirubin present in it dicomposes fats

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  • question_answer272) Which type of vascular bundles are found in monocot stem?

    A) Coilateral, open, endarch

    B) Radial, open, diarch

    C) Radial, open, mesarch

    D) Coliateral, closed, endarch

    View Answer play_arrow
  • question_answer273) Which type of larva found in Hydra?

    A) Parenchymula

    B) Amphiblastula

    C) Trochopbore

    D) Hydrula

    View Answer play_arrow
  • question_answer274) In rhizome of Pteridium, stele which is composed of two or more than two concentric rings of vascular bundles is called:

    A) polycyclic

    B) siphonostele

    C) ectophloic siphonostele

    D) cladosiphonostelo

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  • question_answer275) Which of the following is not the correct for gastrulation?

    A) Archenteron is formed

    B) all germinal layers are formed

    C) Morphogenetic movements

    D) Some blastomeres and blastoa degenerate

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  • question_answer276) The chemical formula of starch is:

    A) \[{{\text{(}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{\text{5}}}\text{)}}_{\text{n}}}\]

    B) \[{{\text{(}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{12}}}{{\text{O}}_{6}}\text{)}}_{\text{n}}}\]

    C) \[{{\text{(}{{\text{C}}_{12}}{{\text{H}}_{\text{22}}}{{\text{O}}_{11}}\text{)}}_{\text{n}}}\]

    D) \[\text{C}{{\text{H}}_{3}}\text{CO}{{\text{O}}_{11}}\text{H}\]

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  • question_answer277) Which of the following mollusc is formed by a larva which have torsion?

    A) Lamelledens

    B) Pila

    C) Sepia

    D) Octopus

    View Answer play_arrow
  • question_answer278) At which stage of spermatogenesis sperm aquire their whole structural maturity and they contain a haploid nucleus and other organs:

    A) spermiogenesis

    B) growth phase

    C) multiplication phase

    D) maturation phase

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  • question_answer279) Which of the following is used during discovery of Calvin cycle?

    A) Spirogyra

    B) Volvox

    C) Chlamydomonas

    D) Chlorella

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  • question_answer280) What happens in anterior part of Amoeba at the tune of formation of pseudopodia?

    A) plasma gel convert into plasma sol

    B) plasma sol convert into plasma gel

    C) ectoplasm convert into endoplasm

    D) endoplasm convert into ectoplasm

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  • question_answer281) Respiratory quotient of which diet is less than unity?

    A) Carbohydrate

    B) Fats

    C) Organic acid

    D) Sugar

    View Answer play_arrow
  • question_answer282) In Rabbit at the time of fertilization zygote is formed in :

    A) coelom

    B) fallopian tube

    C) uterus

    D) vagina

    View Answer play_arrow
  • question_answer283) Velamen and spongy tissue is found in:

    A) breathing roots

    B) parasitic roots

    C) tuberous roots

    D) epiphytic roots

    View Answer play_arrow
  • question_answer284) The function of clitellum in Pheretima is:

    A) formation of cocoon

    B) secretion of hormone

    C) nutrition of sperm

    D) respiration

    View Answer play_arrow
  • question_answer285) Which animal is protochordate?

    A) Herdmania

    B) Balanoglossus

    C) Branchiostoma

    D) Botryllus

    View Answer play_arrow
  • question_answer286) Which of the following is not a function of water in cell ?

    A) It provides energy for chemical reaction

    B) It act as a solvent

    C) It provides a medium for chemical reaction

    D) It release hydrogen ions on ionization

    View Answer play_arrow
  • question_answer287) In life cycle of Plasmodium exflagellation leads to:

    A) formation of microgametes

    B) formation of flagella in sperm

    C) destruction of flagella from sperm

    D) formation of sporozoites

    View Answer play_arrow
  • question_answer288) In which of the following reptiles four chambered heart is present?

    A) Lizard

    B) Snake

    C) Scorpion

    D) Crocodile

    View Answer play_arrow
  • question_answer289) Rate of transpiration is measured by:

    A) manometer

    B) auxanometer

    C) potometer

    D) barometer

    View Answer play_arrow
  • question_answer290) Pigments present in chloroplast of Ulothrix :

    A) chlorophyll a, chl-b, fucoxanthin \[\text{-}\]carotene

    B) chl-a, chl-b, chl-c, C-phycocyanin, C-phycoerythrin

    C) chl-a, chl-b. \[\text{-}\]carotene, xanthophyll

    D) chl-a, chl-b, r-phycocyanine r-phycoerythrin

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  • question_answer291) In Mirabilis a hybrid for red (RR) and white (rr) flower produces pink (Rr) flower. A plant with pink flower is crossed with white flower the expected phenotypic ratio is:

    A) red: pink : white (1 : 2 :1)

    B) pink: white (1 : 1)

    C) red: pink (1 : 1)

    D) red: white (3 : 1)

    View Answer play_arrow
  • question_answer292) Which one hormone of the pituitary of the Rabbit controls the protein metabolism and growth of skeleton?

    A) lodo thyroxine

    B) Leutotrophic hormone

    C) Somatotrophic hormone

    D) Oxytosine

    View Answer play_arrow
  • question_answer293) Which of the following is the site of lipid synthesis?

    A) Rough ER

    B) Smooth ER

    C) Golgi bodies

    D) Ribosome

    View Answer play_arrow
  • question_answer294) Which of the following vessel in Rabbit starts with capillaries and ends in capillaries?

    A) Pulmonary artery

    B) Renal vein

    C) Hepatic portal vein

    D) Renal artery

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  • question_answer295) Which character is not same in Aves and Mammals?

    A) Single systemic arch

    B) Metanephric kidney

    C) Seven cervical vertebrae

    D) Homeotherms

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  • question_answer296) What is pollen grain?

    A) Microspore mother cell

    B) Male gamete

    C) Male gametophyte

    D) Partially developed embryo

    View Answer play_arrow
  • question_answer297) Solenocytes and nephridia are respectively found in:

    A) PIatyhelminth and Annelids

    B) Annelids and Nematoda

    C) Cendaria and Mollusca

    D) Mollusca and Echinodermata

    View Answer play_arrow
  • question_answer298) If a cell shrinks when placed in a solution this solution is:

    A) hypotonic

    B) hypertonic

    C) isotonic

    D) mesotonic

    View Answer play_arrow



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