Solved papers for Uttarakhand PMT Uttarakhand PMT Solved Paper-2009

done Uttarakhand PMT Solved Paper-2009

  • question_answer1) In which process the pV indicator diagram is a straight line parallel to volume axis

    A) isothermal

    B) isobaric

    C) irreversible

    D) adiabatic

    View Answer play_arrow
  • question_answer2) A body executes simple harmonic motion under the action of force F1 with a time period \[\frac{3}{5}s.\] If the force is changed to\[{{F}_{2}}\]it executes simple harmonic motion with time period \[\frac{3}{4}s.\] If both forces \[{{F}_{1}}\]and\[{{F}_{2}}\]act simultaneously in the same direction on the body, its time period will

    A) \[\frac{12}{25}s.\]

    B) \[\frac{24}{25}s.\]

    C) \[\frac{24}{25}s.\]

    D) \[\frac{15}{12}s.\]

    View Answer play_arrow
  • question_answer3) A diatomic gas is heated at constant pressure. What fraction of the heat energy is used to increase the internal energy?

    A) \[\frac{3}{5}\]

    B) \[\frac{3}{7}\]

    C) \[\frac{5}{7}\]

    D) \[\frac{5}{9}\]

    View Answer play_arrow
  • question_answer4) In interference pattern, the energy is

    A) created at the maximum

    B) destroyed at the minimum

    C) conserved but redistributed

    D) All of the above

    View Answer play_arrow
  • question_answer5) A red flower kept in green light will appear

    A) red

    B) yellow

    C) black

    D) white

    View Answer play_arrow
  • question_answer6) band playing music at a frequency\[f\] is moving towards a wall at a speed \[{{v}_{b.}}\] A motorist is allowing the band with a speed \[{{v}_{m.}}\] If \[v\] be the R speed of the sound, the expression for beat frequency heard by motorist is

    A) \[\frac{v+{{v}_{m}}}{v+{{v}_{b}}}f\]

    B) \[\frac{v+{{v}_{m}}}{v-{{v}_{b}}}f\]

    C) \[\frac{v+{{v}_{m}}(v+{{v}_{m}})}{{{v}^{2}}-{{v}_{b}}}f\]

    D) \[\frac{2{{v}_{m}}(v+{{v}_{b}})}{{{v}^{2}}-{{v}_{m}}}f\]

    View Answer play_arrow
  • question_answer7) An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination will be

    A) + 1.5 D

    B) \[-1.5\text{ }D\]

    C) + 6.67D

    D) \[-6.67D\]

    View Answer play_arrow
  • question_answer8) When light wave suffers reflection at the interface between air and glass, the change of phase of reflected wave is equal to

    A) Zero

    B) \[\pi /2\]

    C) \[\pi \]

    D) \[2\pi \]

    View Answer play_arrow
  • question_answer9) A lens behaves as a converging lens in air and diverging lens in water. The refractive index of the material of the lens is

    A) equal to that of water

    B) less than that of water

    C) greater than that of water

    D) Nothing can be predicted

    View Answer play_arrow
  • question_answer10) The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

    A) 540 nm

    B) 400 nm

    C) 310 nm

    D) 220 nm

    View Answer play_arrow
  • question_answer11) The electron emitted in beta radiation originates from

    A) inner orbits of atoms

    B) free electron existing in nuclei

    C) dcay of neutron in the nucleus

    D) photon escaping from the nucleus

    View Answer play_arrow
  • question_answer12) If elements with principal quantum number \[n\] > 4 were not allowed in nature, then the number of possible elements would be

    A) 32

    B) 60

    C) 18

    D) 4

    View Answer play_arrow
  • question_answer13) The magnifying power of telescope is high if

    A) both objective and eye-piece have short focal length

    B) both objective and eye-piece have long focal length

    C) the objective has a long focal length and the eye-piece has a short focal length

    D) the objective has a short focal length and the eye piece has a long focal length

    View Answer play_arrow
  • question_answer14) What is the current through an ideal \[pn\]-junction diode shown in figure below?

    A) Zero

    B) 10mA

    C) 20mA

    D) 50mA

    View Answer play_arrow
  • question_answer15) The output form of a full wave rectifier is

    A) an AC voltage

    B) a DC voltage

    C) Zero

    D) a pulsating unidirectional voltage

    View Answer play_arrow
  • question_answer16) Suitable impurities are added to a semiconductor depending on its use. This is done to

    A) increase its life

    B) enable it to withstand high voltage

    C) increase its electrical conductivity

    D) increase its electrical resistivity

    View Answer play_arrow
  • question_answer17) Absorption of X-rays is maximum in which of the following material sheets of same thickness

    A) Cu

    B) Au

    C) Be

    D) Pb

    View Answer play_arrow
  • question_answer18) Lenzs law is a consequence of the law of conservation of

    A) charge

    B) mass

    C) momentum

    D) energy

    View Answer play_arrow
  • question_answer19) A magnetic needle is kept in a non-uniform magnetic field. It experience

    A) a force only but not a torque

    B) a force and torque both

    C) a torque only but not a force

    D) neither a torque nor a force

    View Answer play_arrow
  • question_answer20) The magnitude of magnetic induction for a current carrying toroid of uniform cross-section is

    A) uniform over the whole cross-section

    B) maximum on the outer edge

    C) maximum on the inner edge

    D) maximum at the centre of cross-section

    View Answer play_arrow
  • question_answer21) Isogonic lines are those for which

    A) declination is the same at all places on the line

    B) angle of dip is the same at the place on the line

    C) the value of horizontal component of earths magnetic field is the same

    D) All of the above

    View Answer play_arrow
  • question_answer22) An electric current passes through a long straight wire. At a distance 5 cm from the wire- the magnetic field is B. The field at 20 cm froe the wire would be

    A) 25

    B) B/4

    C) B/2

    D) B

    View Answer play_arrow
  • question_answer23) An ammeter and a voltmeter of resistance R are connected in series to an electric cell of negligible internal resistance. Their readings are A and V respectively. If another resistance P is connected in parallel with the voltmeter, then

    A) both A and V will increase

    B) both A and V will decrease

    C) A will decrease and V will increase

    D) A will increase and V will decrease

    View Answer play_arrow
  • question_answer24) The core of transformer is laminated to reduce the effect of

    A) copper losses

    B) flux leakage

    C) hysteresis loss

    D) eddy current

    View Answer play_arrow
  • question_answer25) The average power dissipation in pure inductance is

    A) \[\frac{1}{2}L{{I}^{2}}\]

    B) \[2L{{I}^{2}}\]

    C) \[\frac{1}{4}L{{I}^{2}}\]

    D) \[\text{Zero}\]

    View Answer play_arrow
  • question_answer26) The charge given to any conductor resides on its outer surface, because

    A) the free charge tends to be in its minimum potential energy state

    B) the free charge tends to be in its minimum kinetic energy state

    C) the free charge tends to be in its maximum potential energy state

    D) the free charge tends to be in its maximum kinetic energy state

    View Answer play_arrow
  • question_answer27) \[n\]identical mercury droplets charged to the same potential \[V\] coalesce to form a single bigger drop. The potential of new drop will be

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

    B) \[nV\]

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

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

    View Answer play_arrow
  • question_answer28) For protecting sensitive equipment from external magnetic field, it should be

    A) wrapped with insulation around it when passing current through it

    B) placed inside an iron can

    C) surrounded with Cu sheet

    D) placed inside aluminium can

    View Answer play_arrow
  • question_answer29) The potential difference across the terminals of a battery is SO V when 11A current is drawn and 60 V when 1 A current is drawn. The emf and the internal resistance of the battery are

    A) 62 V, 2 \[\Omega \]

    B) 63V, 1 \[\Omega \].

    C) 61V, 1 \[\Omega \]

    D) 64V, 2 \[\Omega \]

    View Answer play_arrow
  • question_answer30) Four resistances 10\[\Omega \] 5 \[\Omega \] 7 \[\Omega \] and 3 \[\Omega \] are connected so that they form the sides of a rectangle AB, BC, CD, and DA respectively. Another resistance of 10 \[\Omega \] is connected across the diagonal AC. The equivalent resistance between A and B is

    A) 2\[\Omega \]

    B) 5\[\Omega \]

    C) 7 a\[\Omega \]

    D) 10\[\Omega \]

    View Answer play_arrow
  • question_answer31) The potential energy of a charged parallel plate capacitor is \[{{U}_{0.}}\] If a slab of dielectric constant is inserted between the places, then the new potential energy will be

    A) \[\frac{{{U}_{0}}}{K}\]

    B) \[{{U}_{0}}{{K}^{2}}\]

    C) \[\frac{{{U}_{0}}}{{{K}^{2}}}\]

    D) \[U_{0}^{2}\]

    View Answer play_arrow
  • question_answer32) Two similar hearer coils separately take 10 min to boil a certain amount of water. If both coils are connected in series, rime taken to boil the same amount of water will be

    A) 15 min

    B) 20 min

    C) 7-5 min

    D) 25 min

    View Answer play_arrow
  • question_answer33) Same current is being passed through a copper voltameter and a silver voltameter. The rate of increase in weights of the cathode of the two voltameters will be proportional to

    A) atomic masses

    B) atomic number

    C) relative densities

    D) None of the above

    View Answer play_arrow
  • question_answer34) Two equal and opposite charge (+ q and\[-q\]) are situated at \[x\] distance from each other, the value of potential at very far point will depend upon

    A) only on \[q\]

    B) only on \[x\]

    C) on \[qx\]

    D) on\[\frac{q}{x}\]

    View Answer play_arrow
  • question_answer35) In a potentiometer of one metre length, an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3 V battery is balanced at 45 cm length. Then the emf of the unknown voltage source is

    A) 3 V

    B) 2.25 V

    C) 4 V

    D) 4.5 V

    View Answer play_arrow
  • question_answer36) A car travelling on a straight path moves with uniform velocity \[{{v}_{1}}\] for some time and with velocity \[{{v}_{2}}\] for next equal time, the average velocity is given by

    A) \[\sqrt{{{v}_{1}}{{v}_{2}}}\]

    B) \[\left( \frac{{{v}_{1}}+{{v}_{2}}}{2} \right)\]

    C) \[\left( \frac{1}{{{v}_{1}}}\frac{1}{{{v}_{2}}} \right)\]

    D) \[2\left( \frac{1}{{{v}_{1}}}\frac{1}{{{v}_{2}}} \right)\]

    View Answer play_arrow
  • question_answer37) A particle of mass m moves in a circular path radius r under the action of a force \[\frac{m{{v}_{2}}}{r}.\] The work done during its morion over half of the circumference of the circular path will be

    A) \[\left( \frac{m{{v}^{2}}}{r} \right)\times 2\pi r\]

    B) \[\left( \frac{m{{v}^{2}}}{r} \right)\times \pi r\]

    C) \[\frac{(2\pi r)}{\left( \frac{m{{v}^{2}}}{r} \right)}\]

    D) zero

    View Answer play_arrow
  • question_answer38) Dimensions of self-inductance are

    A) \[[ML{{T}^{-2}}{{A}^{-3}}]\]

    B) \[[M{{L}^{-2}}{{T}^{-1}}{{A}^{-2}}]\]

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

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

    View Answer play_arrow
  • question_answer39) A car of mass m is moving with momentum \[p\]. If \[\mu \], be the coefficient of friction between the tyres and the road, what will be stopping distance due to friction alone ?

    A) \[\frac{{{p}^{2}}}{2\mu g}\]

    B) \[\frac{{{p}^{2}}}{2m\mu g}\]

    C) \[\frac{{{p}^{2}}}{2{{m}^{2}}\mu g}\]

    D) \[\frac{{{p}^{2}}}{2mg}\]

    View Answer play_arrow
  • question_answer40) A neutron is moving with velocity u. It collides head on and elastically with an atom of mass number A. If the initial kinetic energy of the neutron be E, how much kinetic energy will be retained by the neutron after collision?

    A) \[{{\left( \frac{A}{A+1} \right)}^{2}}E\]

    B) \[\frac{A}{{{(A+1)}^{2}}}E\]

    C) \[{{\left( \frac{A-1}{A+1} \right)}^{2}}E\]

    D) \[\frac{A-1}{{{(A+1)}^{2}}}E\]

    View Answer play_arrow
  • question_answer41) The pH value of\[1\times {{10}^{-4}}M\text{ }NaOH\]solution is

    A) 4

    B) 10

    C) 6

    D) between 6-7

    View Answer play_arrow
  • question_answer42) The\[C-H\]bond distance is the longest in

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

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

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

    D) \[{{C}_{6}}{{H}_{6}}\]

    View Answer play_arrow
  • question_answer43) Which represents the correct order of first ionisation potential of third period elements?

    A) \[Na>Mg>Al>Si\]

    B) \[Na<Mg<Al<Si\]

    C) \[Na<Si<Al<Mg\]

    D) \[Na<Al<Mg<Si\]

    View Answer play_arrow
  • question_answer44) By which of the following processes, pure nitrogen gas is prepared?

    A) \[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\xrightarrow[{}]{\Delta }\]

    B) \[N{{H}_{4}}Cl+NaN{{O}_{2}}\xrightarrow[{}]{\Delta }\]

    C) \[N{{H}_{3}}+NaN{{O}_{2}}\xrightarrow[{}]{\Delta }\]

    D) \[{{N}_{2}}O+Cu\xrightarrow[{}]{\Delta }\]

    View Answer play_arrow
  • question_answer45) In the following reaction, \[{{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}COOH\xrightarrow[-{{H}_{2}}O]{Conc.{{H}_{2}}S{{O}_{4}}}\] \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\] \[{{C}_{2}}{{H}_{5}}OH\]actsas

    A) electrophile

    B) nucleophile

    C) dehydrating agent

    D) All of the above

    View Answer play_arrow
  • question_answer46) Which of the following orbital diagram violates Faults exclusion principle?





    View Answer play_arrow
  • question_answer47) The geometry of sulphate ion is

    A) square planar

    B) tetrahedral

    C) square pyramidal

    D) octahedral

    View Answer play_arrow
  • question_answer48) The difference between heat capacity at constant pressure and heat capacity at constant volunie for the combustion of carbon monoxide at\[27{}^\circ C\] will be

    A) \[-124.71\text{ }kJ\]

    B) \[-1.247\text{ }J\]

    C) \[-1.247\text{ }kJ\]

    D) \[-124.71\text{ }J\]

    View Answer play_arrow
  • question_answer49) IUPAC name of the given compound is \[{{H}_{3}}C\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}\,=\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{C}}\,COOH\]

    A) 2-methylbut-2-enoic acid

    B) 3-methylbut-2-enoic acid

    C) 3-methylbut-3-enoic acid

    D) 2-methylbut-3-enoic acid

    View Answer play_arrow
  • question_answer50) Which of the following is an aromatic compound?





    View Answer play_arrow
  • question_answer51) Thermodynamically, most stable form of phosphorus is

    A) red

    B) black

    C) white

    D) yellow

    View Answer play_arrow
  • question_answer52) The substance with the highest calorific value is

    A) milk

    B) rice

    C) ghee

    D) egg

    View Answer play_arrow
  • question_answer53) Gamma rays are

    A) high energy electrons

    B) low energy electrons

    C) high energy electro-magnetic waves

    D) high energy positrons

    View Answer play_arrow
  • question_answer54) What volume of\[C{{O}_{2}}\]will be liberated at NTP if 12 g of carbon is burnt in excess of oxygen?

    A) 11.2 L

    B) 22.4 L

    C) 2.24 L

    D) 1.12 L

    View Answer play_arrow
  • question_answer55) Which of the following is man-made element?

    A) Ra

    B) \[U\]

    C) \[Np\]

    D) \[C\]

    View Answer play_arrow
  • question_answer56) Four different colloids have the following Gold number. Which one has its most effective action?

    A) 10

    B) 30

    C) 20

    D) 40

    View Answer play_arrow
  • question_answer57) The number of unpaired electrons in ferrous ion is

    A) 3

    B) 2

    C) 4

    D) 5

    View Answer play_arrow
  • question_answer58) Ascorbic acid is the chemical name of

    A) vitamin\[{{B}_{6}}\]

    B) vitamin A

    C) vitamin C

    D) vitamin D

    View Answer play_arrow
  • question_answer59) Which amine of the following will not answer carbylamine reaction?

    A) Ethyl amine

    B) Methyl amine

    C) Dimethyl amine

    D) Phenyl amine

    View Answer play_arrow
  • question_answer60) For a reaction, the dimensions of rate constant are same as that of rate, hence order of reaction is

    A) 0

    B) 1

    C) 2

    D) 3

    View Answer play_arrow
  • question_answer61) The concentration (in mol/L) of the solution having osmotic pressure 0.0821 atm at 300 K will be

    A) 0.33

    B) 0.066

    C) \[0.3\times {{10}^{-2}}\]

    D) 3

    View Answer play_arrow
  • question_answer62) Given, \[P{{b}^{2+}}/Pb=-0.126\text{ }V;\] \[Z{{n}^{2+}}/Zn=-0.763\text{ }V\]Find the emf of the Mowing cell\[Zn/Z{{n}^{2+}}(0.1M)||P{{b}^{2+}}(1M)|Pb\].

    A) \[-0.637\]

    B) \[+0.637\]

    C) \[>0.637\]

    D) \[+0.889\]

    View Answer play_arrow
  • question_answer63) Which is the most abundant metal in the earths crust?

    A) \[Fe\]

    B) \[Al\]

    C) \[Ca\]

    D) \[Na\]

    View Answer play_arrow
  • question_answer64) A hydrocarbon has carbon and hydrogen. Its molecular weight is 28. Its possible formula would be

    A) \[{{C}_{3}}{{H}_{6}}\]

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

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

    D) \[{{C}_{4}}{{H}_{8}}\]

    View Answer play_arrow
  • question_answer65) Which is an example of thermosetting polymer?

    A) Polythene

    B) PVC

    C) Neoprene

    D) Bakelite

    View Answer play_arrow
  • question_answer66) The first Noble Prize in chemistry was given to

    A) J.H. vant Hoff

    B) Cannizaro

    C) Mendeleef

    D) Moseley

    View Answer play_arrow
  • question_answer67) Strongest reducing agent is

    A) K

    B) \[Mg\]

    C) \[Al\]

    D) \[Ba\]

    View Answer play_arrow
  • question_answer68) The base found only in the nucleotides of RNA, is

    A) adenine

    B) uracil

    C) guanine

    D) cytosine

    View Answer play_arrow
  • question_answer69) Which of the following compounds does not give a precipitate with excess of\[NaOH\]?

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

    B) \[FeS{{O}_{4}}\]

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

    D) \[HgC{{l}_{2}}\]

    View Answer play_arrow
  • question_answer70) Among the following, the correct statement is

    A) aniline is a weaker base than ammonia

    B) in water, solubility of\[C{{H}_{3}}OH>{{C}_{2}}{{H}_{5}}OH>{{C}_{6}}{{H}_{5}}OH\]

    C) b.p. of alkylhalide is greater than its corresponding alkane

    D) All of the given statements are correct

    View Answer play_arrow
  • question_answer71) Three products are obtained by the ozonolysis of penta-1, 3-diene. Out of these if two products are formaldehyde and acetaldehyde, the name of the third one is

    A) formaldehyde

    B) ethanal

    C) glyoxal

    D) propanaldehyde

    View Answer play_arrow
  • question_answer72) \[C{{H}_{2}}=CHC{{H}_{2}}CH=C{{H}_{2}}\]represents a/an

    A) conjugated system

    B) cumulative system

    C) isolated system

    D) All of the above

    View Answer play_arrow
  • question_answer73) In the presence of a catalyst, activation energy of a reaction is lowered by 2 kcal at\[27{}^\circ C\]. Hence, rate will be

    A) 20 times

    B) 28 times

    C) 14 times

    D) remain the same

    View Answer play_arrow
  • question_answer74) The number of metamers of the compound with molecular formula\[{{C}_{5}}{{H}_{10}}O\]is

    A) 1

    B) 3

    C) 8

    D) 6

    View Answer play_arrow
  • question_answer75) The compound, with which ethanal does not react, is

    A) \[HCl\]

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

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

    D) aq \[NaHS{{O}_{3}}\]

    View Answer play_arrow
  • question_answer76) The incorrect order with respect to the acidic strength is

    A) formic acid > acetic acid > propionic acid

    B) cyclohexanol < phenol < benzoic acid

    C) benzamide < aniline < cyclohexylamine

    D) \[FC{{H}_{2}}COOH>ClC{{H}_{2}}COOH>BrC{{H}_{2}}COOOH\]

    View Answer play_arrow
  • question_answer77) Here, the compound\[X\]can be

    A) acetic acid

    B) formaldehyde

    C) formic acid

    D) propionic acid

    View Answer play_arrow
  • question_answer78) \[HCl\]molecule contains

    A) ionic bond

    B) covalent bond

    C) hydrogen bond

    D) coordinate bond

    View Answer play_arrow
  • question_answer79) Transition metals show paramagnetic behaviour. This is because of their

    A) high lattice energy

    B) variable oxidation state

    C) characteristic configuration

    D) unpaired electrons

    View Answer play_arrow
  • question_answer80) Which reaction is not affected by change in pressure?

    A) \[{{H}_{2}}+{{I}_{2}}\rightleftharpoons 2HI\]

    B) \[2C+{{O}_{2}}\rightleftharpoons 2CO\]

    C) \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\]

    D) \[PC{{l}_{5}}\rightleftharpoons PC{{l}_{3}}+C{{l}_{2}}\]

    View Answer play_arrow
  • question_answer81) If the solubility of calcium fluoride in pure water is x mol/L, its solubility product is

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

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

    C) \[4{{x}^{3}}\]

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

    View Answer play_arrow
  • question_answer82) The molarity of a solution containing 5.0 g of \[NaOH\]in 250 mL solution is

    A) 0.1

    B) 0.5

    C) 1.0

    D) 2.0

    View Answer play_arrow
  • question_answer83) The following reaction is called Fried el-Crafts reaction. In this reaction X is

    A) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-Cl\]

    B) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-R\]

    C) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-H\]

    D) \[R-O-R\]

    View Answer play_arrow
  • question_answer84) Picric acid is

    A) 2, 4, 6-tribromophenol

    B) 2, 4, 6-trinitrotoluene

    C) 2, 4, 6-trinitrophenol

    D) None of the above

    View Answer play_arrow
  • question_answer85) Gravity separation process is used for the concentration of

    A) calamine

    B) haematite

    C) chalcopyrite

    D) bauxite

    View Answer play_arrow
  • question_answer86) Ammonium ion is

    A) a conjugate acid

    B) a conjugate base

    C) neither an acid nor a base

    D) both an acid and a base

    View Answer play_arrow
  • question_answer87) The equivalent weight of\[MnS{{O}_{4}}\]is half of its molecular weight when it is converted to

    A) \[M{{n}_{2}}{{O}_{3}}\]

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

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

    D) \[MnO_{4}^{2-}\]

    View Answer play_arrow
  • question_answer88) The reaction by which benzaldehyde is converted in benzyl alcohol, is

    A) Fittig reaction

    B) Cannizaro reaction

    C) Wurtz reaction

    D) aldol condensation

    View Answer play_arrow
  • question_answer89) By the ideal gas law, the pressure of 0.60 mole\[N{{H}_{3}}\]gas in a 3.00 L vessel at\[25{}^\circ C\]is

    A) 48.9 atm

    B) 4.89 atm

    C) 0.489 atm

    D) 489 atm

    View Answer play_arrow
  • question_answer90) Brown ring in the test of nitrate ion is obtained due to the formation of

    A) \[[Fe{{({{H}_{2}}O)}_{5}}NO]S{{O}_{4}}\]

    B) \[[Fe{{(S{{O}_{4}})}_{2}}NO]{{H}_{2}}O\]

    C) \[F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.NO\]

    D) None of the above

    View Answer play_arrow
  • question_answer91) For a reaction\[2S{{O}_{2}}(s)+{{O}_{2}}(g)\rightleftharpoons 2S{{O}_{3}}(g);\] \[\Delta H=-188.3\text{ }kJ.\] The number of moles of\[S{{O}_{3}}\]formed is increased if

    A) temperature is increased at constant volume

    B) inert gas is added to the mixture

    C) \[{{O}_{2}}\]is removed from the mixture

    D) volume of the reaction flask is decreased

    View Answer play_arrow
  • question_answer92) For a first order reaction\[A\xrightarrow[{}]{{}}\]Products, the half-life is 100 s. The rate constant of the reaction is

    A) \[6.9\times {{10}^{-2}}{{s}^{-1}}\]

    B) \[6.93\times {{10}^{-4}}{{s}^{-1}}\]

    C) \[6.93\times {{10}^{-3}}{{s}^{-1}}\]

    D) \[6.93\times {{10}^{-1}}{{s}^{-1}}\]

    View Answer play_arrow
  • question_answer93) The rate of a gaseous reaction triples when temperature is increased by\[10{}^\circ C\]from\[25{}^\circ C\]. The energy of activation of the reaction (in kJ \[mo{{l}^{-1}}\]) will be

    A) 40

    B) 70

    C) 83.8

    D) 200

    View Answer play_arrow
  • question_answer94) The substance which does not show sharp melting point is

    A) \[KCl\]

    B) glass

    C) ice

    D) diamond

    View Answer play_arrow
  • question_answer95) The total number of Bravais lattice in a crystal is

    A) 7

    B) 14

    C) 230

    D) 32

    View Answer play_arrow
  • question_answer96) Two moles of an deal gas expand spontaneously into vacuum. The work done is

    A) 2J

    B) 4J

    C) Zero

    D) Infinity

    View Answer play_arrow
  • question_answer97) The heat change at constant volume\[({{Q}_{V}})\]is equal to

    A) \[\Delta E\]

    B) \[\Delta H\]

    C) \[RT\]

    D) \[\Delta G\]

    View Answer play_arrow
  • question_answer98) For a gaseous reaction at 300 K. \[\Delta H-\Delta E=-4.98\text{ }kJ,\]assuming that \[R=8.3\,J{{K}^{-1}}mo{{l}^{-1}},\Delta n(g)\]is

    A) 1

    B) 2

    C) \[-2\]

    D) 0

    View Answer play_arrow
  • question_answer99) The pH of a solution is 4. Its\[[{{H}^{+}}]\]is

    A) 4M

    B) \[{{10}^{4}}M\]

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

    D) \[{{10}^{-1}}M\]

    View Answer play_arrow
  • question_answer100) The bonds present in\[{{N}_{2}}{{O}_{5}}\]are

    A) only convalent

    B) only ionic

    C) covalent and coordinate

    D) covalent and ionic

    View Answer play_arrow
  • question_answer101) Who coined the term gene?

    A) Johansen

    B) Watson

    C) Morgan

    D) Williamson

    View Answer play_arrow
  • question_answer102) Protein coat of a virus enclosing nucleic acid is called

    A) plasmid

    B) capsid

    C) vector

    D) genome

    View Answer play_arrow
  • question_answer103) Highest number of antibiotics are produced by

    A) Bacillus

    B) Penicillium

    C) Streptomyces

    D) Cephalosporium

    View Answer play_arrow
  • question_answer104) Which of the following is stained using carmine?

    A) Bacteria

    B) Diatoms

    C) Chromosomes

    D) Viruses

    View Answer play_arrow
  • question_answer105) A mature pollen grain of Pinus has

    A) 2 cells

    B) 3 cells

    C) 4 cells

    D) 5 cells

    View Answer play_arrow
  • question_answer106) Polyploidy can be induced by the application of

    A) auxin

    B) kinetin

    C) colchicine

    D) ethylene

    View Answer play_arrow
  • question_answer107) Quantasomes are present in

    A) chloroplast

    B) mitochondria

    C) Golgi body

    D) lysosome

    View Answer play_arrow
  • question_answer108) In mitochondria, enzyme cytochrome oxidase is present in

    A) outer membrane

    B) perimitochondrial space

    C) inner membrane

    D) matrix

    View Answer play_arrow
  • question_answer109) Which of the following bio-engineered bacteria is utilized for cleaning of marine oil slicks ?

    A) Escherichia coli

    B) Pseudomonas syringae

    C) Pseudomonas putida

    D) Rhizoctonia solani

    View Answer play_arrow
  • question_answer110) Green potatoes are toxic due to

    A) phytoalexins

    B) solanin

    C) triazine

    D) hormones

    View Answer play_arrow
  • question_answer111) Cells obtained from cancerous tumours are known as

    A) hyrbridomas

    B) myelomas

    C) lymphocytes

    D) monoclonal cells

    View Answer play_arrow
  • question_answer112) The plant of Triticum aestivum is

    A) haploid

    B) diploid

    C) tetraploid

    D) hexaploid

    View Answer play_arrow
  • question_answer113) Which of the following is a total root parasite?

    A) Cuscuta

    B) Rafflesia

    C) Santalum

    D) Monotrapa

    View Answer play_arrow
  • question_answer114) Which of the following tissues consist of living cells?

    A) Vessels

    B) Tracheids

    C) Companion cell

    D) Sclerenchyma

    View Answer play_arrow
  • question_answer115) Which is a useful product of epidermal origin?

    A) Saffron

    B) Cotton fibres

    C) Clove

    D) Jute

    View Answer play_arrow
  • question_answer116) Fern spores are usually

    A) haploid

    B) diploid

    C) triploid

    D) tetraploid

    View Answer play_arrow
  • question_answer117) When pollen tube enters through micropyle, the process is called

    A) porogamy

    B) chalazogamy

    C) mesogamy

    D) apogamy

    View Answer play_arrow
  • question_answer118) Outer wall of pollen grain is made up of

    A) cellulose

    B) sporopollenin

    C) pectocellulose

    D) lignin

    View Answer play_arrow
  • question_answer119) Nucleotides are formed by

    A) purine, sugar and phosphate

    B) purine, pyrimidine and phosphate

    C) purine, pyrimidine, sugar and phosphate

    D) pyrimidine, sugar and phosphate

    View Answer play_arrow
  • question_answer120) DNA replication occurs in

    A) \[{{G}_{1}}-phase\]

    B) S-phase

    C) \[{{G}_{2}}-phase\]

    D) M-phase

    View Answer play_arrow
  • question_answer121) Which of the following plant cells is not surrounded by a cell wall?

    A) Root hair cell

    B) Stem hair cell

    C) Gamete cell

    D) Bacterial cell

    View Answer play_arrow
  • question_answer122) Which of the following cell organelles stores hydrolytic enzymes?

    A) Centriole

    B) Lysosome

    C) Chromoplast

    D) Chloroplast

    View Answer play_arrow
  • question_answer123) A monocarpic plant is one, which

    A) has only one carpel

    B) flowers once in a life-time

    C) produces only one seed

    D) produces only one fruit

    View Answer play_arrow
  • question_answer124) AIDS virus contains

    A) RNA with protein

    B) DNA with protein

    C) DNA without protein

    D) DNA only

    View Answer play_arrow
  • question_answer125) Calyptra develops from

    A) venter wall of archegonium

    B) outgrowth of gametophyte

    C) neck wall of archegonium

    D) paraphysis of the archegonial branch

    View Answer play_arrow
  • question_answer126) Protonema is the stage in the life-cycle of

    A) Cycas

    B) Funaria

    C) Selaginella

    D) Mucor

    View Answer play_arrow
  • question_answer127) A ferm differs from a moss in having

    A) swimming archegonia

    B) swimming antherozoids

    C) independent gametophytes

    D) independent sporophytes

    View Answer play_arrow
  • question_answer128) Female cone of Pinus is a

    A) modified needles

    B) modified long shoot

    C) modified dwarf shoot

    D) modified scale

    View Answer play_arrow
  • question_answer129) Development of an embryo without fertilization is called as

    A) apomixis

    B) polyembryony

    C) parthenocarpy

    D) parthenogenesis

    View Answer play_arrow
  • question_answer130) Which of the following floral parts forms pericarp after fertilization?

    A) Nucellus

    B) Outer integument

    C) Ovary wall

    D) Inner integument

    View Answer play_arrow
  • question_answer131) Prothallus of the fem produces

    A) spores

    B) gametes

    C) Both [a] and [b]

    D) cones

    View Answer play_arrow
  • question_answer132) Which of the following cell organelles s associated with photorespiration?

    A) Mitochondria

    B) Peroxisome

    C) Chloroplast

    D) All of these

    View Answer play_arrow
  • question_answer133) The thickness of unit membrane is

    A) \[\text{20}\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[35\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[55\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[75\overset{\text{o}}{\mathop{\text{A}}}\,\]

    View Answer play_arrow
  • question_answer134) Chromosomes are arranged along the equator during

    A) prophase

    B) metaphase

    C) anaphase

    D) telophase

    View Answer play_arrow
  • question_answer135) Width of the DNA molecule is

    A) 15 \[\overset{o}{\mathop{\text{A}}}\,\]

    B) 20 \[\overset{o}{\mathop{\text{A}}}\,\]

    C) 25 \[\overset{o}{\mathop{\text{A}}}\,\]

    D) 34 \[\overset{o}{\mathop{\text{A}}}\,\]

    View Answer play_arrow
  • question_answer136) In gymnosperms, the ovule is naked because

    A) ovary wall is absent

    B) integuments are absent

    C) perianth is absent

    D) nucellus is absent

    View Answer play_arrow
  • question_answer137) In Funaria capsule, dispersal of spores taka place through

    A) peristomial teeth

    B) annulus

    C) calyptras

    D) operculum

    View Answer play_arrow
  • question_answer138) Crossing over occurs during

    A) leptotene

    B) diplotene

    C) pachytene

    D) zygotene

    View Answer play_arrow
  • question_answer139) Genes are made up of

    A) histones

    B) hydrocarbons

    C) polynucleotides

    D) lipoproteins

    View Answer play_arrow
  • question_answer140) The site of photosynthesis in blue-green algae is

    A) chromatophores

    B) mitochondria

    C) chloroplast

    D) root hair

    View Answer play_arrow
  • question_answer141) Viral infection is usually absent in

    A) phloem cells

    B) xylem cells

    C) pith cells

    D) apical meristem

    View Answer play_arrow
  • question_answer142) Clamp connections are found in

    A) Phycomycetes

    B) Ascomycetes

    C) Basidiomycetes

    D) Deuteromycetes

    View Answer play_arrow
  • question_answer143) Which of the following characters is related with telophase ?

    A) Formation of nuclear membrane

    B) Formation of nucleolus

    C) Elongation of chromosome

    D) Formation of two daughter nuclei

    View Answer play_arrow
  • question_answer144) In case of incomplete dominance, what will be the phenotypic ratio of F; generation?

    A) 3 : 1

    B) 1: 2 : 1

    C) 1:1:1:1

    D) 2:2

    View Answer play_arrow
  • question_answer145) Which of the following does not contain DNA?

    A) Mitochondria

    B) Chloroplast

    C) Peroxysome

    D) Nucleus

    View Answer play_arrow
  • question_answer146) Genes exhibiting multiple effects are known as

    A) complementary genes

    B) pleiotropic genes

    C) cistrons

    D) pseudogenes

    View Answer play_arrow
  • question_answer147) Who coined the term cistron?

    A) Muller

    B) Benzer

    C) Khorana

    D) Sutton

    View Answer play_arrow
  • question_answer148) Which of the following is responsible for the origin of lysosome?

    A) Chloroplast

    B) Mitochondria

    C) Golgi body

    D) Ribosome

    View Answer play_arrow
  • question_answer149) In Selaginella, trabeculae are the modification of

    A) epidermal cells

    B) cortical cells

    C) endodermal cells

    D) pericycle cells

    View Answer play_arrow
  • question_answer150) Tonoplast is a membrane, which surrounds

    A) ribosome

    B) mitochondria

    C) vacuole

    D) cytoplasm

    View Answer play_arrow
  • question_answer151) Which shows polymorphism?

    A) Physalia

    B) Trypanosoma

    C) Termite

    D) All of these

    View Answer play_arrow
  • question_answer152) Secondary radial symmetry is found in

    A) Cnidaria

    B) Jelly fish

    C) Echinodermata

    D) Hemichordata

    View Answer play_arrow
  • question_answer153) Basic unit of classification is

    A) genus

    B) species

    C) order

    D) class

    View Answer play_arrow
  • question_answer154) Connecting link between Annelida and Mollusca is

    A) Peripatus

    B) Lepidosiren

    C) Neopilina

    D) Protopterus

    View Answer play_arrow
  • question_answer155) Select incorrect pair

    A) Porifera - choanocytes

    B) Coelenterata - nematocysts

    C) Annelida - segmentation

    D) Monera - eukaryote

    View Answer play_arrow
  • question_answer156) Bilateral symmetry, metameric segmentation, coelom and open circulatory are the features of

    A) Annelida

    B) Arthropoda

    C) Mollusca

    D) Echinodermata

    View Answer play_arrow
  • question_answer157) Ancestor of man who first stood erect was

    A) Australopithecus

    B) Cro-magnon

    C) Java-ape man

    D) Peking man

    View Answer play_arrow
  • question_answer158) Core zone, buffer zone and manipulation zone are found in

    A) national park

    B) sanctuary

    C) tiger reserve

    D) biosphere reserve

    View Answer play_arrow
  • question_answer159) Which insecticide is more hazardous to human health ?

    A) Rotenone

    B) Pyrethrum

    C) DDT

    D) Humulin

    View Answer play_arrow
  • question_answer160) Universal donor is

    A) \[OR{{h}^{+}}\]

    B) \[OR{{h}^{-}}\]

    C) \[AB\text{ }R{{h}^{+}}\]

    D) \[AB\text{ }R{{h}^{-}}\]

    View Answer play_arrow
  • question_answer161) One of these is not concerned wiA wild-life conservation

    A) IVF

    B) IUCN

    C) WWF

    D) IBWL

    View Answer play_arrow
  • question_answer162) Largest tiger population is found in

    A) Sunderban national park

    B) Corbett national park

    C) Ranthambhor national park

    D) Kanha national park

    View Answer play_arrow
  • question_answer163) Genetic material found in Human Immunodeficiency Virus (HIV) is

    A) double stranded RNA

    B) single stranded RNA

    C) double stranded DNA

    D) single stranded DNA

    View Answer play_arrow
  • question_answer164) Gigantism and acromegaly are due to

    A) hypothyroidism

    B) hyperthyroidism

    C) hypopituitarism

    D) hyperpituitarism

    View Answer play_arrow
  • question_answer165) If a child is of O blood group and his father is of B blood group, the genotype of father is

    A) \[{{\text{I}}^{\text{O}}}{{\text{I}}^{\text{O}}}\]

    B) \[{{\text{I}}^{\text{A}}}\,{{\text{I}}^{\text{B}}}\]

    C) \[{{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{B}}}\]

    D) \[{{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{A}}}\]

    View Answer play_arrow
  • question_answer166) Spermatogenesis is under the regulatory in fluence of

    A) ADH

    B) FSH

    C) LH

    D) STH

    View Answer play_arrow
  • question_answer167) Which of the following can be controlled by using biopesticides ?

    A) Insects

    B) Diseases

    C) Weeds

    D) All of these

    View Answer play_arrow
  • question_answer168) Which hormone is secreted in a woman if pregnancy has occurred ?

    A) Estrogen

    B) Progesterone

    C) Luteinizing hormone

    D) Chorionic gonadotropin

    View Answer play_arrow
  • question_answer169) Product of biotechnology is

    A) transgenic crops (GM crops)

    B) humulin

    C) biofertilizer

    D) All of the above

    View Answer play_arrow
  • question_answer170) Phase common in aerobic and anaerobic respiration is

    A) Krebs cycle

    B) glycolysis

    C) glycogenolysis

    D) ETS

    View Answer play_arrow
  • question_answer171) Oxyntic cells secrete

    A) \[\text{HCl}\]

    B) trypsin

    C) \[\text{NaOH}\]

    D) pepsinogen

    View Answer play_arrow
  • question_answer172) Menstruation is due to sudden

    A) reduction of FSH

    B) increase of LH

    C) reduction in estrogen and progesterone

    D) None of the above

    View Answer play_arrow
  • question_answer173) Correctly matched set of phylum, class and example is

    A) Protozoa-Mastigophora-Entamoeba

    B) Mollusca-Bivalvia-Pinctata

    C) Arthropoda-Diplopoda-Scolopendra

    D) Chordata-Cyclostomata-Phrynosoma

    View Answer play_arrow
  • question_answer174) Urea synthesis occurs in

    A) kidney

    B) liver

    C) brain

    D) muscles

    View Answer play_arrow
  • question_answer175) Which is common to kidney and skeleton in mammals?

    A) Cortex

    B) Medulla

    C) Pelvis

    D) Radius

    View Answer play_arrow
  • question_answer176) Which is regarded as urinary bladder of embryo ?

    A) Amnion

    B) Allantois

    C) Chorion

    D) Yolk sac

    View Answer play_arrow
  • question_answer177) Deficiency of vitamin\[{{\text{B}}_{\text{12}}}\]causes

    A) cheilosis

    B) thalassemia

    C) beri-beri

    D) pernicious anaemia

    View Answer play_arrow
  • question_answer178) Blood is a kind of

    A) areolar tissue

    B) connective tissue

    C) fluid connective tissue

    D) reticular connective tissue

    View Answer play_arrow
  • question_answer179) Which of these is used to control human population?

    A) Estrogen + progesterone

    B) lUCDandMTP

    C) Tubectomy and vasectomy

    D) All of these

    View Answer play_arrow
  • question_answer180) Addiction to alcohol causes

    A) cirrhosis

    B) epilepsy

    C) neurosis

    D) psychosis

    View Answer play_arrow
  • question_answer181) The most primitive vertebrates are

    A) Ostracoderms

    B) Cephalochordates

    C) Placederms

    D) Cyclostomes

    View Answer play_arrow
  • question_answer182) Change in the number of body parts is called

    A) continuous variation

    B) discontinuous variation

    C) meristic variation

    D) substantive variation

    View Answer play_arrow
  • question_answer183) Which has an additional X chromosome ?

    A) Turners syndrome

    B) Klinefelters syndrome

    C) Super female

    D) Downs syndrome

    View Answer play_arrow
  • question_answer184) Origin of life occurred in

    A) Precambrian

    B) Coenozoic

    C) Palaeozoic

    D) Mesozoic

    View Answer play_arrow
  • question_answer185) Branch of zoology dealing with the study : fishes is called

    A) Arthrology

    B) Ichthyology

    C) Saurology

    D) Herpetology

    View Answer play_arrow
  • question_answer186) Theory of continuity of germplasm propounded by

    A) Mendel

    B) Lamarck

    C) Weismann

    D) Haeckel

    View Answer play_arrow
  • question_answer187) Who discovered oocysts in the stomach of female Anopheles 7

    A) Ronald Ross

    B) Charles Lavern

    C) Golgi

    D) Lamble

    View Answer play_arrow
  • question_answer188) Epimysium, perimysium and endomysium are found in

    A) nerve

    B) bloodvessel

    C) striated muscle

    D) uterus

    View Answer play_arrow
  • question_answer189) Endothelium is made up of

    A) squamous cells

    B) cuboidal cells

    C) columnar cells

    D) stratified epithelium

    View Answer play_arrow
  • question_answer190) Bipolar neurons occur in

    A) vertebrate embryos

    B) retina of eye

    C) brain and spinal cord

    D) skeletal muscles

    View Answer play_arrow
  • question_answer191) Glissons capsules are found, in which organ of mammals?

    A) Stomach

    B) Kidney

    C) Tesris

    D) Liver

    View Answer play_arrow
  • question_answer192) Production of glucose from amino acids, fatty acids and glycerol is called

    A) glycogenesis

    B) gluconeogenesis

    C) glycogenolysis

    D) glycolysis

    View Answer play_arrow
  • question_answer193) Which is called Hamburger shift?

    A) Hydrogen shift

    B) Bicarbonate shift

    C) Chloride shift

    D) Sodium shift

    View Answer play_arrow
  • question_answer194) Papillary muscles are found in mammalian

    A) auricles

    B) ventricles

    C) pinna

    D) eyes

    View Answer play_arrow
  • question_answer195) Which foramen is paired in mammalian brain?

    A) Foramen of Luschka

    B) Foramen of Magendie

    C) Foramen of Monro

    D) mter-ventricular foramen

    View Answer play_arrow
  • question_answer196) Corpus luteum produces

    A) progesterone

    B) estrogen

    C) luteotropin hormone

    D) luteinizing hormone

    View Answer play_arrow
  • question_answer197) Axis vertebra is identified by

    A) sigmoid notch

    B) deltoid ridge

    C) odontoid process

    D) centrum

    View Answer play_arrow
  • question_answer198) Which is thickened to form organ of Corti ?

    A) Reissners membrane

    B) Basilar membrane

    C) Tectorial membrane

    D) All of the above

    View Answer play_arrow
  • question_answer199) Which stage of silkworm secretes silk ?

    A) Adult

    B) Larva

    C) Cocoon

    D) Pupa

    View Answer play_arrow
  • question_answer200) Real product of apiculture is

    A) honey

    B) bee wax

    C) Both [a] and [b]

    D) None of these

    View Answer play_arrow



You need to login to perform this action.
You will be redirected in 3 sec spinner