Solved papers for Manipal Medical Manipal Medical Solved Paper-2001

done Manipal Medical Solved Paper-2001

  • question_answer1) In which of the transistor amplifier the voltage gain is highest?

    A) Common collector

    B) Common base

    C) Common emitter

    D) Same for all type

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  • question_answer2) On disintegration of one atom of U-235 the amount of energy obtained is 200 MeV then the power obtained in a reactor is 1000 kW. Then the number of atoms disintegrated per second are:

    A) \[3.125\times {{10}^{16}}\]

    B) \[3.125\times {{10}^{8}}\]

    C) \[3.125\times {{10}^{30}}\]

    D) \[3.125\times {{10}^{25}}\]

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  • question_answer3) A tin nucleus has charge + 50 eV. If the proton is at\[{{10}^{-12}}m\]from the nucleus. Then the potential at this position will be (charge on protons\[=1.6\times {{10}^{-19}}C\]):

    A) \[7.2\times {{10}^{8}}V\]

    B) \[3.6\times {{10}^{4}}V\]

    C) \[14.4\times {{10}^{4}}V\]

    D) \[7.2\times {{10}^{4}}V\]

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  • question_answer4) A bar magent has a magnetic moment equal to\[5\times {{10}^{-5}}\Omega m\]. It is suspended in a magnetic field, which has a magnetic induction\[B=8\pi \times {{10}^{-4}}\]tesla. Then the magnet .vibrates with period of vibration equal to 15 sec. Then the moment of inertia of magnet will be:

    A) \[7.16\times {{10}^{-7}}kg\text{ }{{m}^{2}}\]

    B) \[14.32\times {{10}^{7}}kg\text{ }{{m}^{2}}\]

    C) \[3.58\times {{10}^{-7}}kg\text{ }{{m}^{2}}\]

    D) none of these

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  • question_answer5) The coefficient of mutual inductance when magnetic flux changes by\[5\times {{10}^{-2}}\] weber and changes in current is 0.01 A, will be:

    A) 10H

    B) 5H

    C) 2.5H

    D) 7.5H

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  • question_answer6) In an experiment, n small drops of same size are charged to V volts each, if they form a single large drop, then it potential is:

    A) \[V{{n}^{2/3}}\]

    B) \[V{{n}^{1/3}}\]

    C) \[\sqrt{Vn}\]

    D) \[\frac{V}{n}\]

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  • question_answer7) Heat produced in the coil is directly proportional to:

    A) temperature

    B) current

    C) resistance

    D) all of these

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  • question_answer8) The refractive index of water and glass with respect to air is 1.3 and 1.5 respectively then the refractive index of glass with respect to water will be:

    A) \[\frac{2.6}{1.5}\]

    B) \[\frac{1.5}{2.6}\]

    C) \[\frac{1.5}{1.3}\]

    D) \[\frac{1.3}{1.5}\]

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  • question_answer9) The X-ray cannot be diffracted by means of an ordinary grating due to:

    A) large wavelength

    B) short wavelength

    C) high speed

    D) low speed

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  • question_answer10) Velocity of sound in vacuum is:

    A) \[330\text{ }m/s\]

    B) \[500\text{ }m/s\]

    C) \[-165\text{ }m/s\]

    D) zero

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  • question_answer11) Two thin lenses are in contact with each other and focal length of the combination is 80 cm. If focal length of one lens is 20 cm. Then the power of the other lens will be:

    A) \[-3.75\text{ }D\]

    B) \[-10.0D\]

    C) \[1.67D\]

    D) \[5.0D\]

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  • question_answer12) A candle placed 25 cm from a lens, forms an image on the screen placed 75 cm on the other end of the lens, then the focal length and type of the lens will be:

    A) \[+21.25\text{ }cm,\] convex lens

    B) \[-21.25\text{ }cm,\]concave lens

    C) \[-18.75\text{ }cm,\]concave lens

    D) \[+18.75\text{ }cm,\]convex lens

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  • question_answer13) A plane mirror reflecting a ray of incident light, is rotated through an angle 6 about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence. Then the reflected ray will rotate through an angle equal to:

    A) \[3\theta \]

    B) \[2\theta \]

    C) \[\theta \]

    D) \[0.8\theta \]

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  • question_answer14) The first law of .thermodynamics is a special case of:

    A) Law of conservation of energy

    B) Weins displacement law

    C) Charles law

    D) Newtons law

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  • question_answer15) In gases of diatomic molecules, the ratio of two specific heats of gases\[\frac{{{C}_{P}}}{{{C}_{\upsilon }}}\]will be:

    A) 1.2

    B) 1.33

    C) 1.66

    D) 1.4

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  • question_answer16) The average velocity of molecules in a gas in equilibrium is proportional to:

    A) \[{{T}^{3/2}}\]

    B) \[{{T}^{4}}\]

    C) \[{{T}^{1/2}}\]

    D) \[T\]

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  • question_answer17) Water stands upto a height h behind the vertical wall of a dam. If width of the dam be &, then the net horizontal force pushing the dam down by the stream will be (\[\rho \]is the density of water):

    A) \[\frac{{{h}^{2}}b\rho g}{2}\]

    B) \[\frac{{{h}^{2}}{{b}^{2}}\rho g}{4}\]

    C) \[2hb\rho g\]

    D) \[\frac{{{h}^{2}}b\rho g}{4}\]

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  • question_answer18) A spring constant of a spring is k, when it is divided into\[n\]equal parts, then the spring constant of one piece will be:

    A) \[\frac{(n+1)k}{n}\]

    B) \[\frac{nk}{n+1}\]

    C) \[k/n\]

    D) \[nk\]

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  • question_answer19) When a satellite is revolving around the earth having radius r, then the escape velocity on the satellite will be:

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

    B) \[\sqrt{gR}\]

    C) \[\sqrt{\frac{GR}{2}}\]

    D) \[g{{R}^{2}}\]

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  • question_answer20) The weight of an aeroplane flying in air is balanced by:

    A) pressure difference between upper and lower surface of the wings

    B) up thrust of the air volume on the plane

    C) vertical component of the thrust

    D) force due to reaction of gases

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  • question_answer21) Which one of the following has the greater conductance?

    A) Silicon

    B) Cuprous oxide

    C) Germanium

    D) Galium arsenide

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  • question_answer22) If proton are shot perpendicular to the magnetic field, then the proton will:

    A) continue to move in the same direction but will gain momentum

    B) continue to move in opposite direction but will gain momentum

    C) bend in an arc of circle

    D) not to be enfluenced by magnetic field

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  • question_answer23) If\[\alpha -\]particles describes a circular path of radius r in a magnetic field B. Then the radius of the circular path described by a proton of same energy in the same magnetic field:

    A) \[2r\]

    B) \[\frac{r}{2}\]

    C) \[\frac{r}{\sqrt{2}}\]

    D) \[r\]

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  • question_answer24) Which one of the following discovered cyclotron?

    A) Maxwell

    B) Lawrence

    C) Lewis

    D) Bohr

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  • question_answer25) Susceptibility of a magnetic substance is found to depend on temperature and the strength of the magnetising. Then the material will be:

    A) super conductor

    B) paramagnet

    C) diamagnet

    D) ferromagnet

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  • question_answer26) A 50 volt battery is joined across a\[10\,\Omega \] resistor of the current is 4.5 A, the internal resistance of the battery will be:

    A) \[1.1\,\Omega \]

    B) \[2.2\,\Omega \]

    C) \[0.5\,\Omega \]

    D) \[5\,\Omega \]

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  • question_answer27) If the length and area of cross-section of a conductor are doubled then its resistance will be:

    A) unchanged

    B) halved

    C) doubled

    D) quadrupled

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  • question_answer28) If the critical angle for total internal reflection from a medium to vacuum is\[30{}^\circ \]. Then the velocity of light in the medium will be:

    A) \[3\times {{10}^{8}}m/s\]

    B) \[2\times {{10}^{8}}m/s\]

    C) \[1.5\times {{10}^{8}}m/s\]

    D) \[6\times {{10}^{8}}m/s\]

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  • question_answer29) A source of sound is moving away from a stationary observer with, velocity\[{{\upsilon }_{s}}\]. Velocity of sound is\[\upsilon \]. If n is the pitch of the source of sound, then the apparent pitch of sound heard by observer will be:

    A) \[\left( \frac{\upsilon }{\upsilon +{{\upsilon }_{s}}} \right)n\]

    B) \[\frac{(\upsilon +{{\upsilon }_{s}})n}{\upsilon }\]

    C) \[\frac{{{\upsilon }_{n}}}{(\upsilon +{{\upsilon }_{s}})}\]

    D) \[\frac{{{\upsilon }_{n}}}{(\upsilon -{{\upsilon }_{s}})}\]

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  • question_answer30) When the waves \[{{y}_{1}}=a\sin \omega t\] and\[{{y}_{2}}=a\cos \omega t\] are superimposed then the resultant amplitude will be:

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

    B) \[a\sqrt{2}\]

    C) \[2a\]

    D) \[a/2\]

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  • question_answer31) We combined a convex lens of focal length\[{{f}_{1}}\]and concave lens of focal length\[{{f}_{2}}\]and their combined focal length was F. The combination of these lenses will be have like a concave lens, if:

    A) \[{{f}_{1}}\le {{f}_{2}}\]

    B) \[{{f}_{1}}={{f}_{2}}\]

    C) \[{{f}_{1}}<{{f}_{2}}\]

    D) \[{{f}_{1}}>{{f}_{2}}\]

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  • question_answer32) Light takes\[{{t}_{1}}\]sec to travel a distance\[x\,cm\]in vacuum and the same light takes\[{{t}_{2}}\]sec to travel \[10x\,cm\]in the medium, critical angle for the corresponding medium is:

    A) \[{{\sin }^{-1}}\left( \frac{10{{t}_{1}}}{{{t}_{2}}} \right)\]

    B) \[{{\sin }^{-1}}\left( \frac{{{t}_{1}}}{10{{t}_{2}}} \right)\]

    C) \[{{\sin }^{-1}}\left( \frac{{{t}_{2}}}{10{{t}_{1}}} \right)\]

    D) \[{{\sin }^{-1}}\left( \frac{10{{t}_{2}}}{{{t}_{1}}} \right)\]

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  • question_answer33) In a Fresenals bi-prism experiment the two position of lens give separation between the slits as 16 cm and 9 cm respectively. Then the actual separation will be:

    A) 14 cm

    B) 24cm

    C) 6 cm

    D) 12 cm

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  • question_answer34) Accroding to Weins law:

    A) \[{{\lambda }_{m}}T=\]constant

    B) \[\frac{{{\lambda }_{m}}}{T}=\]constant

    C) \[{{\lambda }_{m}}\sqrt{T}=\]constant

    D) \[\frac{{{\lambda }_{m}}}{\sqrt{T}}=\]constant

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  • question_answer35) At room temperature, the rms velocity of the molecules of a certain diatomic gas is found to be 1930 m/s. Then the gas will be:

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

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

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

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

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  • question_answer36) A gas initially at\[18{}^\circ C\]is compressed adiabatically to one eight of its original volume. Then the temperature of the gas after compression is:

    A) \[395.4{}^\circ C\]

    B) \[144{}^\circ C\]

    C) \[887.4{}^\circ C\]

    D) \[18{}^\circ C\]

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  • question_answer37) The angular momentum of a body with mass \[m,\]moment of inertia and angular velocity\[\omega \] rad/sec will be equal to:

    A) \[I/{{\omega }^{2}}\]

    B) \[I/\omega \]

    C) \[I\omega \]

    D) \[I{{\omega }^{2}}\]

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  • question_answer38) Two simple harmonic motion of same amplitude are superimposed at right angles to each other. Then the particle will describe:

    A) straight line

    B) parabola

    C) ellipse

    D) circis

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  • question_answer39) If r represents the radius of the orbit of the satellite of mass m moving around planet of mass M, then the velocity of satellite v is obtained from the relation:

    A) \[\upsilon =\frac{GMm}{r}\]

    B) \[\upsilon =\frac{Gm}{r}\]

    C) \[{{\upsilon }^{2}}=\frac{Gm}{r}\]

    D) \[\upsilon =\frac{Gm}{r}\]

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  • question_answer40) A stone is dropped into a lake from a tower of 500 m height. The sound of splash will be heard after:

    A) 11.5 sec

    B) 21 sec

    C) 5.75 sec

    D) 10 sec

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  • question_answer41) In an n-type semiconductor, then which of the follwing is true?

    A) Electrons are minority carrier

    B) Electrons are majority carrier

    C) Protons are majority carrier

    D) None of these

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  • question_answer42) Light of two different frequencies whose photons have energies of 1 eV and 2.5 eV respectively, successively illuminate a metal whose work function is 0.5 eV. Then the ratio of the maximum speed of emitted electrons is:

    A) \[1:2\]

    B) \[1:1\]

    C) \[1:4\]

    D) \[1:5\]

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  • question_answer43) If a current of 1 A flows in 1 milli-second through a coil and the induced emf is 2 V, then the self inductance of the coil will be:

    A) \[2\times {{10}^{-3}}H\]

    B) \[1\times {{10}^{3}}H\]

    C) \[4\times {{10}^{3}}H\]

    D) \[1\times {{10}^{-3}}H\]

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  • question_answer44) The electrical conductivity of earth atmosphere increases with altitude due to:

    A) ionisation of atmosphere

    B) refraction of atmosphere

    C) reflection of atmosphere

    D) radiation of atmosphere

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  • question_answer45) Which one of following is true?

    A) \[Q=WV\]

    B) \[WQ={{V}^{2}}\]

    C) \[W=V\]

    D) \[W=QV\]

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  • question_answer46) A capacitor is charged to a potential of difference of 400 volt and its plates acquire charge of 0.2 coulomb. When the capacitor is discharged, the energy released, is:

    A) 40J

    B) 20J

    C) 80J

    D) 60J

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  • question_answer47) Which one of the following colour has the least speed in glass?

    A) White

    B) Violet

    C) Black

    D) Red

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  • question_answer48) In Youngs double slit experiment, die separation between the slits is halved and the distance between the slit and screen is doubled, then the fringe width will:

    A) remain same

    B) be quadrupled

    C) be doubled

    D) be halved

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  • question_answer49) The radio transmitter operates on a wavelength of 1500 m. The frequency corresponding to this wavelength will be:

    A) 50 kHz

    B) 100 kHz

    C) 500 kHz

    D) 200 kHz

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  • question_answer50) In an open pipe of length\[l\]vibrates in fundamental mode, then pressure vibration is maximum at:

    A) one third from end of pipe

    B) one fourth then the ends

    C) end of the pipe

    D) middle of the pipe

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  • question_answer51) \[A{{g}_{2}}O+{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{{}}2Ag+{{H}_{2}}O+{{O}_{2}}\] In the above reaction\[{{H}_{2}}{{O}_{2}}\]acts as a:

    A) oxidising agent

    B) reducing agent

    C) bleaching agent

    D) none of the above

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  • question_answer52) The value of azimuthal quantum number\[(l)\]is 2 then the value of principal quantum number \[(n)\]is:

    A) 2

    B) 3

    C) 4

    D) 5

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  • question_answer53) For 14 g of CO the wrong statement is:

    A) it occupies 2.24 litres at NTP

    B) it corresponds to\[\frac{1}{2}\]mole of CO

    C) it corresponds to same mole of CO and nitrogen gas

    D) it corresponds to\[3.01\times {{10}^{23}}\] molecules of CO

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  • question_answer54) The formula of malachite ore is:

    A) \[F{{e}_{3}}{{O}_{4}}\]

    B) \[M{{n}_{3}}{{O}_{4}}\]

    C) \[NiAs\]

    D) \[Cu{{(OH)}_{2}}CuC{{O}_{3}}\]

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  • question_answer55) The IUPAC name of\[Ni{{(CO)}_{4}}\]is:

    A) tetra carbonyl nickelate\[(O)\]

    B) tetro carbonyl nickel\[(II)\]

    C) tetra carbonyl nickel \[(O)\]

    D) tetra carbonyl nickelate\[(II)\]

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  • question_answer56) The dissociation values of four acids are as follows which of the above value is stands for strongest acid:

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

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

    C) \[3\times {{10}^{-4}}\]

    D) \[0.02\times {{10}^{-1}}\]

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  • question_answer57) Glucose on treatment with Tollens reagent produce silver mirror. This shows the presence of:

    A) alcoholic group

    B) acidic group

    C) aldehyde group

    D) ketonic group

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  • question_answer58) The random motion of colloidal particles in the dispersion medium is known as:

    A) Tyndall effect

    B) Coagulation

    C) Adsorption

    D) Brownian movement

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  • question_answer59) The conjugate base of\[O{{H}^{-}}\]is:

    A) \[{{H}^{+}}\]

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

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

    D) \[{{O}^{2-}}\]

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  • question_answer60) The valency of noble gases is:

    A) 1

    B) 2

    C) 0

    D) 3

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  • question_answer61) \[2{{N}_{2(g)}}+6{{H}_{2(g)}}\xrightarrow[{}]{{}}4N{{H}_{3(g)}}\] what is the enthalpy of the above reaction when the enthalpy formation of ammonia is\[-46kJ\text{ }mo{{l}^{-1}}\]:

    A) 184 kJ

    B) \[-184kJ\]

    C) 46 kJ

    D) \[-46kJ\]

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  • question_answer62) Zwitter ion is:

    A) ammonium acetate

    B) urea

    C) glycine

    D) RNA

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  • question_answer63) On palladium the adsorption of hydrogen is known as:

    A) reduction

    B) hydrogenation

    C) occlusion

    D) dehydrogenation

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  • question_answer64) The hardness of water is estimated by:

    A) distillation method

    B) EDTA method

    C) conductivity method

    D) trimetric method

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  • question_answer65) The orthophosphoric acid is a:

    A) tribasic acid

    B) monobasic acid

    C) tetrabasic acid

    D) dibasic acid

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  • question_answer66) The mass of one mole of electron is:

    A) 0.55 mg

    B) 0.95 mg

    C) 1.005 mg

    D) \[9.1\times {{10}^{-28}}mg\]

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  • question_answer67) At equilibrium, the Gibbs free energy for a reaction is:

    A) \[-ve\]

    B) \[+ve\]

    C) zero

    D) none of these

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  • question_answer68) Paracetamol is used as an:

    A) antibiotic

    B) antimalarial

    C) antipyretic

    D) arsenical

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  • question_answer69) The product obtained by the reaction of glucose and bromine water is:

    A) gluconic acid

    B) glucaric acid

    C) glucose bromide

    D) bromoglucose

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  • question_answer70) The V.D. of a gas is 11.2. The volume occupied by one gm of the gas at STP is:

    A) 1.0 litre

    B) 11.2 litre

    C) 22.4 litre

    D) none of these

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  • question_answer71) The oxidation number of P in\[M{{g}_{2}}{{P}_{2}}{{O}_{7}}\]is:

    A) \[+2\]

    B) \[+5\]

    C) \[-3\]

    D) \[+3\]

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  • question_answer72) The compound does not react with chlorine in dark is:

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

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

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

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

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  • question_answer73) The pH of boiling water (373K) is:

    A)  1              

    B)  6

    C)  8              

    D)  10

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  • question_answer74) In a first order reaction 25% reactant decomposed in 40.5 minutes. The rate constant of the reaction is:

    A) \[7.11\times {{10}^{-3}}\]minute

    B) \[14.22\times {{10}^{-3}}\]minute

    C) \[7.11\times {{10}^{-6}}\]minute

    D) \[14.22\times {{10}^{-6}}\]minute

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  • question_answer75) The carbohydrate which is an essential constituent of plant cell is:

    A) sucrose

    B) starch

    C) cellulose

    D) vitamins

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  • question_answer76) Natural rubber is a polymer of:

    A) cis-isoprene

    B) trans-isoprene

    C) both [a] arid [b]

    D) none of these

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  • question_answer77) On heating which of the following compound does not produce\[N{{O}_{2}}\]:

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

    B) \[Cu{{(N{{O}_{3}})}_{2}}\]

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

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

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  • question_answer78) Froth floatation process is used for the concentration of:

    A) amalgams

    B) chloride ores

    C) oxide ores

    D) sulphide ores

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  • question_answer79) The least water soluble compound is:

    A) acetone

    B) acetaldehyde

    C) lignite

    D) benzophenone

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  • question_answer80) The compound having maximum carbon percentage is:

    A) peat

    B) bituminous

    C) lignite

    D) anthracite

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  • question_answer81) A radiocative isotope has half life of 10 years. After 20 years the remaining amount is:

    A) zero

    B) 25

    C) 12.5

    D) 6.25

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  • question_answer82) The compound which is not used for obtaining iodoform is:

    A) acetaldehyde

    B) acetone

    C) ethanol

    D) methanol

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  • question_answer83) The increasing order of reducing power of the halogen acid is:

    A) \[HCl<HBr<HF<HI\]

    B) \[HF<HCl<HBr<HI\]

    C) \[HI<HBr<HCl<HF\]

    D) \[HBr<HCl<HF<HI\]

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  • question_answer84) The compound represents phosgene is:

    A) phosphine

    B) phosphorous trichloride

    C) carbonyl chloride

    D) phosphorous oxychloride

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  • question_answer85) At\[27{}^\circ C\]the kinetic energy of an ideal monoatomic gas is:

    A) 300K

    B) 900K

    C) 600K

    D) 1200K

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  • question_answer86) \[CH=CH+{{H}_{2}}O\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}}+HgS{{O}_{4}}}X\] X is identified as

    A) ketone

    B) ethanol

    C) acetaldehyde

    D) propionaldehyde

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  • question_answer87) A hydrocarbon contains 20% hydrogen and 80% carbon. The empirical formula is:

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

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

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

    D) \[CH\]

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  • question_answer88) Benzene and chlorine reacts to produce benzene hexa chloride in presence of:

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

    B) sun light

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

    D) dark

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  • question_answer89) Yellow ammonium sulphide is:

    A) \[{{(N{{H}_{4}})}_{2}}{{S}_{8}}\]

    B) \[{{(N{{H}_{4}})}_{2}}{{S}_{4}}\]

    C) \[{{(N{{H}_{4}})}_{2}}S\]

    D) \[{{(N{{H}_{4}})}_{2}}{{S}_{2}}\]

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  • question_answer90) At room temperature the solid compound is:

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

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

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

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

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  • question_answer91) The total number of protons in 10 g of\[CaC{{O}_{3}}\]is \[[{{N}_{o}}=6.023\times {{10}^{23}}]\]:

    A) \[1.50\times {{10}^{24}}\]

    B) \[2.04\times {{10}^{24}}\]

    C) \[3.01\times {{10}^{24}}\]

    D) \[4.09\times {{10}^{24}}\]

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  • question_answer92) When an electron is revolving in stationary orbit?

    A) they become stationary

    B) there is increase in energy

    C) they are gaining kinetic energy

    D) there is no change in energy level

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  • question_answer93) The strongest forces are:

    A) ion-dipole forces

    B) dipole-dipole forces

    C) dipole induced dipole forces

    D) ion-ion interaction

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  • question_answer94) A chemical process is carried out in a thermostat maintained at\[25{}^\circ C,\]it is known as:

    A) isothermal

    B) isobaric

    C) adiabatic

    D) isoentropic

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  • question_answer95) In 0.02 M solution of perchloric acid at 289 K the sum of pH and \[pOH\] is:

    A) 7

    B) 14

    C) 10

    D) 12

    View Answer play_arrow
  • question_answer96) Ice \[\] water when pressure is applied to the above equilibrium system then:

    A) water will evaporate

    B) equilibrium will not be formed

    C) more ice will be formed

    D) more water will be formed

    View Answer play_arrow
  • question_answer97) The rate constant of a reaction depends on:

    A) weight

    B) time

    C) temperature

    D) mass

    View Answer play_arrow
  • question_answer98) The normality of 10% \[C{{H}_{3}}COOH\] is:

    A) 10 N

    B) 0.83 N

    C) 1 N

    D) 1.66N

    View Answer play_arrow
  • question_answer99) Mesooxalic acid is formed when glycerol reacts with:

    A) \[KMn{{O}_{4}}\]

    B) \[Bi{{(N{{O}_{3}})}_{2}}\]

    C) dil \[HN{{O}_{3}}\]

    D) \[{{H}_{2}}{{O}_{2}}+FeS{{O}_{4}}\]

    View Answer play_arrow
  • question_answer100) The element responsible for oxidation of water to\[{{O}_{2}}\]in biological process:

    A) \[Cu\]

    B) \[Mo\]

    C) \[Fe\]

    D) \[Mn\]

    View Answer play_arrow
  • question_answer101) Which of the following is a cyanophage?

    A) S-13

    B) LPP-1

    C) \[\phi \times 174\]

    D) SV 50

    View Answer play_arrow
  • question_answer102) Influenza is caused by:

    A) virus

    B) bacteria

    C) viroid

    D) fungus

    View Answer play_arrow
  • question_answer103) Hormqgonia are the vegetative reproductive structures of:

    A) Spirogyra

    B) Oscillatona

    C) Yeast

    D) Chlamydomonas

    View Answer play_arrow
  • question_answer104) How many sub-phyla are present in tracheata according to Tippos classification of kingdom plante?

    A) 3

    B) 6

    C) 4

    D) 5

    View Answer play_arrow
  • question_answer105) Which of the following cell organelle is rich in hydrolytic enzymes?

    A) Ribosomes

    B) Mitochondria

    C) Lysosomes

    D) Coleoptile

    View Answer play_arrow
  • question_answer106) The persistant nucellus is called:

    A) perisperm

    B) periderm

    C) seedcoat

    D) coleoptile

    View Answer play_arrow
  • question_answer107) Induced fit theory of enzyme action was proposed by:

    A) Fischer

    B) Koshland

    C) Summer

    D) Mitchell

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  • question_answer108) The casparian strips are present in cells of:

    A) periderm

    B) epidermis

    C) hypodermis

    D) endodermis

    View Answer play_arrow
  • question_answer109) Heterothallism was discovered by:

    A) Alexopolous

    B) Blakeslee

    C) Machlies

    D) Bessey

    View Answer play_arrow
  • question_answer110) Bryophytes lack true:

    A) root

    B) stem

    C) leaf

    D) all the above

    View Answer play_arrow
  • question_answer111) Haustorial root is found in:

    A) Cuscuta

    B) Orchid

    C) Mays

    D) Ficus

    View Answer play_arrow
  • question_answer112) In stem of dicots, fascicular cambium is also called as:

    A) lateral meristem

    B) secondary meristem

    C) apical meristem

    D) intercalary meristem

    View Answer play_arrow
  • question_answer113) Cyathium is a type of:

    A) alga

    B) fungus

    C) bactrium

    D) inflorescence

    View Answer play_arrow
  • question_answer114) Which purine base is found in RNA?

    A) Guanine

    B) Cytosine

    C) Thymine

    D) Uracil

    View Answer play_arrow
  • question_answer115) When a natural predator is used to control other organism, this process is called:

    A) Natural control

    B) Biological control

    C) Artificial control

    D) Genetically modified control

    View Answer play_arrow
  • question_answer116) The 10% energy transfer law in a food chain was proposed by:

    A) Tansley

    B) Lindmann

    C) Kormondy

    D) Ambust

    View Answer play_arrow
  • question_answer117) Which of the following supports the growth of planktons and littoral vegetation?

    A) Eutrophic lake

    B) Oligotrophic lake

    C) a and b both

    D) none of the above

    View Answer play_arrow
  • question_answer118) Green house gases are:

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

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

    C) \[C{{O}_{2}}\]and\[S{{O}_{2}}\]

    D) \[C{{O}_{2}},CFC,C{{H}_{4}}\]

    View Answer play_arrow
  • question_answer119) A good example of an auxin herbicide is:

    A) \[NAA\]

    B) \[IBA\]

    C) \[IAA\]

    D) 2,4-D

    View Answer play_arrow
  • question_answer120) The soil water available for absorption by plant roots is:

    A) rainwater

    B) capillary water

    C) chemically bound water

    D) gravitational water

    View Answer play_arrow
  • question_answer121) In prokaryotes, the geiietic material is:

    A) linear DNA with histones

    B) circular DNA with histones

    C) linear DNA wihtout histones

    D) circular DNA without histones

    View Answer play_arrow
  • question_answer122) Which of the organ is known as organ suigeneris?

    A) Rhizoid

    B) Rhizome

    C) Rhizophore

    D) RNA

    View Answer play_arrow
  • question_answer123) A cell is kept in a solution for sometimes, when it bursts. The solution should be:

    A) isotonic

    B) hypertonic

    C) hypotonic

    D) monotonic

    View Answer play_arrow
  • question_answer124) Which of the following statement is correct regarding Cycas?

    A) Singel sporophyll bears male and female sex organs

    B) Single cone bears male and female sporophylls

    C) Male and female sex organs are present on same plant

    D) Male cone and megasporophylls occur on separate plants

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  • question_answer125) In angiosperms, the endosperm is:

    A) polyploid

    B) triploid

    C) diploid

    D) haploid

    View Answer play_arrow
  • question_answer126) Mendels dihybrid cross ratio is:

    A) \[1:2:1\]

    B) \[12:3:1\]

    C) \[9:3:3:1\]

    D) \[9:2:2:1\]

    View Answer play_arrow
  • question_answer127) Teminism means:

    A) translation

    B) transcription

    C) transduction

    D) reverse transcription

    View Answer play_arrow
  • question_answer128) Genetic engineering is releated with:

    A) euthenics

    B) euphonic

    C) eugenics

    D) all the above

    View Answer play_arrow
  • question_answer129) Cell membrane is..........to ions:

    A) permeable

    B) differentially permeable

    C) semipermeable

    D) impermeable

    View Answer play_arrow
  • question_answer130) The process of replication in plasmid DNA, other than initiation is controlled by:

    A) bacterial gene

    B) mitochondrial gene

    C) palsma gene

    D) nuclear gene

    View Answer play_arrow
  • question_answer131) Which of the following type of RNA molecule is essential for protein synthesis?

    A) \[m-RNA\]

    B) \[f-RNA\]

    C) \[r-RNA\]

    D) all the above

    View Answer play_arrow
  • question_answer132) Translocation of minerals takes place through:

    A) phloem

    B) xylem

    C) cambium

    D) wood parenchyma

    View Answer play_arrow
  • question_answer133) Salmon fish is:

    A) anadromous

    B) catadrpmous

    C) neocoratodromous

    D) both (a) and (b)

    View Answer play_arrow
  • question_answer134) Which of the following alga is useful is sewage treatment plants?

    A) Euglena

    B) Chlamydomonas

    C) Nostoc

    D) Both (a) and (b)

    View Answer play_arrow
  • question_answer135) Which of the following is an example of foliose lichen?

    A) Usnea

    B) Cladonia

    C) Lecanora

    D) Parmelia

    View Answer play_arrow
  • question_answer136) Removal of anthers at the time of plant breeding is called:

    A) emasculation

    B) antherris

    C) pollination

    D) fertilization

    View Answer play_arrow
  • question_answer137) Replum is found in family:

    A) Malvaceae

    B) Brassicaceae

    C) Rosaceae

    D) Cucrubitaceae

    View Answer play_arrow
  • question_answer138) In a moss plant the archegonial cluster are enclosed with leaves called:

    A) seta

    B) theca

    C) perchaetium

    D) perigynium

    View Answer play_arrow
  • question_answer139) The time required from pollination to fertilization in Finns is:

    A) 6 months

    B) 12 months

    C) 3 months

    D) 24 months

    View Answer play_arrow
  • question_answer140) The ovary is inferior in:

    A) epigynous condition

    B) hypogynous condition

    C) perigynous condition

    D) cleistogamous condition

    View Answer play_arrow
  • question_answer141) Cleistogamy is found in:

    A) Pisum sativum

    B) Commelina benghalensis

    C) Rosa indica

    D) Brassica campestris

    View Answer play_arrow
  • question_answer142) Iron containing protein is called:

    A) purines

    B) pyremidines

    C) ferredoxin

    D) ferroproteins

    View Answer play_arrow
  • question_answer143) Which of the following combination of gases is suitable for fruit ripening?

    A) 80%\[C{{O}_{2}}\]and 20%\[{{O}_{2}}\]

    B) 80%\[{{C}_{2}}{{H}_{4}}\]and 20%\[C{{O}_{2}}\]

    C) 80%\[{{O}_{2}}\]and 20%\[C{{O}_{2}}\]

    D) 80%\[C{{O}_{2}}\]and 20%)\[{{C}_{2}}{{H}_{2}}\]

    View Answer play_arrow
  • question_answer144) Cornea trarisplantation is very popular because:

    A) it is easy process

    B) it is everlasting

    C) it does not link blood supply and immune system

    D) it links blood supply and immune system

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  • question_answer145) Species characterized by circular or looped geographical distribution are known as:

    A) sibling species

    B) sub species

    C) ring species

    D) neo species

    View Answer play_arrow
  • question_answer146) Soil is a mixture of:

    A) sand and humus

    B) sand and clay

    C) sand, clay and humus

    D) clay and humus

    View Answer play_arrow
  • question_answer147) Vitelline glands are found in:

    A) Fasciola

    B) Taenia

    C) Phcritima

    D) Ascaris

    View Answer play_arrow
  • question_answer148) Ecological niche of a species means:

    A) specific function of a species

    B) specific place where the organism lives

    C) specific number of populations

    D) habitat and specific function of a species

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  • question_answer149) The function of contractile vacuole in Protozoa is:

    A) reproduction

    B) osmoregulation

    C) digestion

    D) locomotion

    View Answer play_arrow
  • question_answer150) Earthworm cannot undergo self fertilization because of:

    A) protogyny

    B) protandry

    C) unisexual

    D) none of these

    View Answer play_arrow
  • question_answer151) Centromere is a part of:

    A) mitochondria

    B) chloroplast

    C) chromosome

    D) nucleus

    View Answer play_arrow
  • question_answer152) Which of the following is made up of a single bone in mammals?

    A) Upper jaw

    B) Hyoid

    C) Zygomatic arch

    D) Dentary

    View Answer play_arrow
  • question_answer153) In which of the following stage, the chromosome is thin and like a long thread?

    A) Leptotene

    B) Zygotene

    C) Pachytene

    D) Diplotene

    View Answer play_arrow
  • question_answer154) Cerebellum of brain is concerned with a:

    A) contraction of voluntary muscles

    B) co-ordinating and regulating tone

    C) maintain posture, orientation and equilibrium of body

    D) all the above

    View Answer play_arrow
  • question_answer155) Graffian follicles are formed from:

    A) columner epithelium of testes

    B) germinal epithelium of testes

    C) assembly of ribosomes of testes

    D) none of the above

    View Answer play_arrow
  • question_answer156) The hormone GIP (gastric inhibitory peptide) is secreted by:

    A) small intestine

    B) stomach

    C) ileum

    D) duodenum

    View Answer play_arrow
  • question_answer157) When 1500 ml air is in the lungs, it is called:

    A) inspiratory reserve volume

    B) tidal volume

    C) vital capacity

    D) residual volume

    View Answer play_arrow
  • question_answer158) Which developmental structure in mammalian embryo is regarded as phyletic?

    A) Gill pouches

    B) Heart

    C) Kidney

    D) Liver

    View Answer play_arrow
  • question_answer159) Which of the following carries glucose from digestive tract to liver?

    A) Pulmonary vein

    B) Renal portal system

    C) Hepatic portal vein

    D) Pulmonary artery

    View Answer play_arrow
  • question_answer160) to form haemoglobin haem\[(F{{e}^{++}})\]combine with:

    A) plasma

    B) porphyrin

    C) cytochrome

    D) creatinine

    View Answer play_arrow
  • question_answer161) Muscular wall of the heart is covered by:

    A) epicardium

    B) epthelium

    C) epinephrium

    D) epithecium

    View Answer play_arrow
  • question_answer162) In micturition:

    A) urethra contracts

    B) urethra relax

    C) ureter contracts

    D) ureter relax

    View Answer play_arrow
  • question_answer163) During muscles contraction actin and myosin form:

    A) actoplasm

    B) actinomycin

    C) actimycin

    D) hyoactin

    View Answer play_arrow
  • question_answer164) Pellagra is the disease caused by the deficiency of:

    A) folic acid

    B) riboflavin

    C) niacin

    D) cynocobalamine

    View Answer play_arrow
  • question_answer165) Marriage between normal visioned man and colourblind woman will produce:

    A) colourblind son and carrier daughter

    B) colourblind daughter and normal son

    C) 50% colourblind daughters and 50% colourblind son

    D) all normal vision children

    View Answer play_arrow
  • question_answer166) The vagus nerve is the cranial nerve numbering:

    A) 5th

    B) 6th

    C) 9th

    D) 10th

    View Answer play_arrow
  • question_answer167) The final hormonal stimulus leading to ovulation in human is provided by:

    A) FSH

    B) TSH

    C) LH

    D) estrogen

    View Answer play_arrow
  • question_answer168) Honey is:

    A) acidic

    B) alkaline

    C) salty

    D) neutral

    View Answer play_arrow
  • question_answer169) Fatty liver syndrome is due to:

    A) cigarettes

    B) alcohol

    C) drugs

    D) sugars

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  • question_answer170) The earliest sites where somewhat civilized man first appeared is:

    A) around capstan and mediternanean sea

    B) around Indus valley

    C) around ganga ghat

    D) around gulf

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  • question_answer171) Silkworm silk is the product of:

    A) salivary gland of adult

    B) salivary gland of larvae

    C) salivary gland of pupa

    D) salivary gland of egg cells

    View Answer play_arrow
  • question_answer172) First heart sound is:

    A) lubb due to closure of AV valves

    B) lubb due to closure of spiral valves

    C) dupp due to closure of AV valves

    D) dupp due to closure of spiral valves

    View Answer play_arrow
  • question_answer173) Gaseous mixture used by Stanley Miller for synthesis of amino acids through heat and electric discharge included:

    A) methane, nitrogen, hydrogen and water vapours

    B) methane, hydrogen, oxygen and water vapours

    C) methane, ammonia, nitrogen and water vapours

    D) methane, ammonia, hydrogen and water vapours

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  • question_answer174) In pea, the ovule is:

    A) atropous

    B) hemianatropous

    C) campylotropous

    D) circinotropous

    View Answer play_arrow
  • question_answer175) Which of the following plants root is medicinal and leaves, flowers and fruits are edible as vegetable?

    A) Helianthus annus

    B) Cue urbita maxima

    C) Solanum tuberos.um

    D) Holostemma adakodien

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  • question_answer176) Humus is:

    A) chemical fertilizer

    B) compost manure

    C) dead decayed organic matter

    D) living organic matter and chemicals

    View Answer play_arrow
  • question_answer177) Active transport requires;

    A) supply of energy

    B) only xylem vessels

    C) only phloem elements

    D) total shoot system

    View Answer play_arrow
  • question_answer178) In\[{{C}_{4}}\]plants,\[C{{O}_{2}}\]combines with:

    A) phosphoglyceraldehyde

    B) phosphoglyceric acid

    C) phosphoenol pyruvate

    D) none of the above

    View Answer play_arrow
  • question_answer179) Water potential and osmotic potential of pure water is:

    A) zero and zero

    B) zero and 100

    C) 100 and zero

    D) 100 and 100

    View Answer play_arrow
  • question_answer180) Phytochrome becomes active in:

    A) green light

    B) red light

    C) blue light

    D) white light

    View Answer play_arrow
  • question_answer181) Temperature changes, in the environment, affect most of the animals, which, are:

    A) homiothermic

    B) isothermic

    C) poikilothermic

    D) endothermic

    View Answer play_arrow
  • question_answer182) Hydra recognises its prey by:

    A) special organs

    B) tentacles

    C) stimulus

    D) nematocysts

    View Answer play_arrow
  • question_answer183) The amino acid metabolized by the brain is:

    A) Glutamic acid

    B) Glutamme

    C) Aspartine

    D) Histidine

    View Answer play_arrow
  • question_answer184) Gynecomastia is found in:

    A) Downs syndrome

    B) Klinefelters syndrome

    C) Pataus syndrome

    D) Turners syndrome

    View Answer play_arrow
  • question_answer185) Angulo splenial bone is found in:

    A) lower jaw of rabbit

    B) lower jaw of frog

    C) lower jaw of cow

    D) lower jaw of snake

    View Answer play_arrow
  • question_answer186) Which among following in not a class of phylum mollusca?

    A) Gastropoda

    B) Scaphopoda

    C) Cephalopoda

    D) Hexapoda

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  • question_answer187) Larva of house fly lacks:

    A) spiracles

    B) wings

    C) Both a, b

    D) eyes

    View Answer play_arrow
  • question_answer188) Olfactory organs of a snake is:

    A) Johtisons organ

    B) Johansburgs organ

    C) Jacobsonss organ

    D) Jacksons organ

    View Answer play_arrow
  • question_answer189) Aristotless lantern is characteristic of:

    A) Holothuroidea

    B) Epinuroidea

    C) EAinoidea

    D) all the above

    View Answer play_arrow
  • question_answer190) Pectin is:

    A) homopoloysaccharide

    B) heteropolysaccharide

    C) glycopolysaccharide

    D) glucopolysaccharide

    View Answer play_arrow
  • question_answer191) E. coli with complete radioactive medium DNA was allowed to replicate in no radioactive medium for two generation. Percentage of bacteria with radioactive strand will be:

    A) 100%

    B) 50%

    C) 25%

    D) 20%

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  • question_answer192) How much energy is transferred from one trophic level to the another?

    A) 5%

    B) 15%

    C) 10%

    D) 20%

    View Answer play_arrow
  • question_answer193) Which of the following is both exocrine and endocrine gland?

    A) Pancreas

    B) Liver

    C) Pituitary

    D) Thyroid

    View Answer play_arrow
  • question_answer194) Breathing is controlled by:

    A) trachea

    B) lung

    C) buccal cavity

    D) medulla oblongata

    View Answer play_arrow
  • question_answer195) Gynandromorphs are:

    A) half male and half female

    B) neither male nor female

    C) males only

    D) females only

    View Answer play_arrow
  • question_answer196) Recapitulation theory was given by:

    A) Hooker

    B) Haeckel

    C) Hooke

    D) Haywood

    View Answer play_arrow
  • question_answer197) The number of autosomes in human female is:

    A) 26 pairs

    B) 22 pairs

    C) 24 pairs

    D) 21 pairs

    View Answer play_arrow
  • question_answer198) What is left when bath sponge is dried up:

    A) spongin fibres

    B) spicule

    C) bones

    D) cartilage

    View Answer play_arrow
  • question_answer199) Growth movement in response to light is called:

    A) photoperiodism

    B) photosynthesis

    C) photophosphorylation

    D) phototropism

    View Answer play_arrow
  • question_answer200) Pheritima posthuma is farmers friend because:

    A) It is very delicious

    B) it is very naughty

    C) it makes soil porous

    D) it eats all the insects of soil

    View Answer play_arrow

   

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