# 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

• 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) $\frac{15}{12}s.$

• 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) $\frac{5}{9}$

• 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

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

A) red

B) yellow

C) black

D) white

• 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) $\frac{2{{v}_{m}}(v+{{v}_{b}})}{{{v}^{2}}-{{v}_{m}}}f$

• 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) $-6.67D$

• 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) $2\pi$

• 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

• 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

A) inner orbits of atoms

B) free electron existing in nuclei

C) dcay of neutron in the nucleus

D) photon escaping from the nucleus

• 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

• 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

• question_answer14) What is the current through an ideal $pn$-junction diode shown in figure below?

A) Zero

B) 10mA

C) 20mA

D) 50mA

• 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

• 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

• 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

• question_answer18) Lenzs law is a consequence of the law of conservation of

A) charge

B) mass

C) momentum

D) energy

• 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

• 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

• 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

• 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

• 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

• 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

• 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) $\text{Zero}$

• 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

• 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) ${{n}^{2/3}}V$

• 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

• 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 $\Omega$

• 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$\Omega$

• 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) $U_{0}^{2}$

• 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

• 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

• 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$\frac{q}{x}$

• 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

• 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) $2\left( \frac{1}{{{v}_{1}}}\frac{1}{{{v}_{2}}} \right)$

• 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

• 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) $[M{{L}^{2}}{{A}^{-1}}]$

• 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) $\frac{{{p}^{2}}}{2mg}$

• 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) $\frac{A-1}{{{(A+1)}^{2}}}E$

• 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

• 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) ${{C}_{6}}{{H}_{6}}$

• 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) $Na<Al<Mg<Si$

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

• 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

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

A)

B)

C)

D)

• question_answer47) The geometry of sulphate ion is

A) square planar

B) tetrahedral

C) square pyramidal

D) octahedral

• 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) $-124.71\text{ }J$

• 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

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

A)

B)

C)

D)

• question_answer51) Thermodynamically, most stable form of phosphorus is

A) red

B) black

C) white

D) yellow

• question_answer52) The substance with the highest calorific value is

A) milk

B) rice

C) ghee

D) egg

A) high energy electrons

B) low energy electrons

C) high energy electro-magnetic waves

D) high energy positrons

• 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

A) Ra

B) $U$

C) $Np$

D) $C$

• 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

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

A) 3

B) 2

C) 4

D) 5

• question_answer58) Ascorbic acid is the chemical name of

A) vitamin${{B}_{6}}$

B) vitamin A

C) vitamin C

D) vitamin D

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

A) Ethyl amine

B) Methyl amine

C) Dimethyl amine

D) Phenyl amine

• 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

• 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

• 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) $+0.889$

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

A) $Fe$

B) $Al$

C) $Ca$

D) $Na$

• 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) ${{C}_{4}}{{H}_{8}}$

• question_answer65) Which is an example of thermosetting polymer?

A) Polythene

B) PVC

C) Neoprene

D) Bakelite

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

A) J.H. vant Hoff

B) Cannizaro

C) Mendeleef

D) Moseley

• question_answer67) Strongest reducing agent is

A) K

B) $Mg$

C) $Al$

D) $Ba$

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

B) uracil

C) guanine

D) cytosine

• 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) $HgC{{l}_{2}}$

• 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

• 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

• 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

• 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

• 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

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

A) $HCl$

B) $C{{l}_{2}}$

C) $PC{{l}_{5}}$

D) aq $NaHS{{O}_{3}}$

• 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) $FC{{H}_{2}}COOH>ClC{{H}_{2}}COOH>BrC{{H}_{2}}COOOH$

• question_answer77) Here, the compound$X$can be

A) acetic acid

B) formaldehyde

C) formic acid

D) propionic acid

• question_answer78) $HCl$molecule contains

A) ionic bond

B) covalent bond

C) hydrogen bond

D) coordinate bond

• 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

• 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) $PC{{l}_{5}}\rightleftharpoons PC{{l}_{3}}+C{{l}_{2}}$

• 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) ${{x}^{2}}$

• 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

• 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) $R-O-R$

A) 2, 4, 6-tribromophenol

B) 2, 4, 6-trinitrotoluene

C) 2, 4, 6-trinitrophenol

D) None of the above

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

A) calamine

B) haematite

C) chalcopyrite

D) bauxite

A) a conjugate acid

B) a conjugate base

C) neither an acid nor a base

D) both an acid and a base

• 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) $MnO_{4}^{2-}$

• 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

• 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

• 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

• 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

• 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) $6.93\times {{10}^{-1}}{{s}^{-1}}$

• 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

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

A) $KCl$

B) glass

C) ice

D) diamond

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

A) 7

B) 14

C) 230

D) 32

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

A) 2J

B) 4J

C) Zero

D) Infinity

• question_answer97) The heat change at constant volume$({{Q}_{V}})$is equal to

A) $\Delta E$

B) $\Delta H$

C) $RT$

D) $\Delta G$

• 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

• question_answer99) The pH of a solution is 4. Its$[{{H}^{+}}]$is

A) 4M

B) ${{10}^{4}}M$

C) ${{10}^{-4}}M$

D) ${{10}^{-1}}M$

• 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

• question_answer101) Who coined the term gene?

A) Johansen

B) Watson

C) Morgan

D) Williamson

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

A) plasmid

B) capsid

C) vector

D) genome

• question_answer103) Highest number of antibiotics are produced by

A) Bacillus

B) Penicillium

C) Streptomyces

D) Cephalosporium

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

A) Bacteria

B) Diatoms

C) Chromosomes

D) Viruses

• question_answer105) A mature pollen grain of Pinus has

A) 2 cells

B) 3 cells

C) 4 cells

D) 5 cells

• question_answer106) Polyploidy can be induced by the application of

A) auxin

B) kinetin

C) colchicine

D) ethylene

• question_answer107) Quantasomes are present in

A) chloroplast

B) mitochondria

C) Golgi body

D) lysosome

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

A) outer membrane

B) perimitochondrial space

C) inner membrane

D) matrix

• 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

• question_answer110) Green potatoes are toxic due to

A) phytoalexins

B) solanin

C) triazine

D) hormones

• question_answer111) Cells obtained from cancerous tumours are known as

A) hyrbridomas

B) myelomas

C) lymphocytes

D) monoclonal cells

• question_answer112) The plant of Triticum aestivum is

A) haploid

B) diploid

C) tetraploid

D) hexaploid

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

A) Cuscuta

B) Rafflesia

C) Santalum

D) Monotrapa

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

A) Vessels

B) Tracheids

C) Companion cell

D) Sclerenchyma

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

A) Saffron

B) Cotton fibres

C) Clove

D) Jute

• question_answer116) Fern spores are usually

A) haploid

B) diploid

C) triploid

D) tetraploid

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

A) porogamy

B) chalazogamy

C) mesogamy

D) apogamy

A) cellulose

B) sporopollenin

C) pectocellulose

D) lignin

• 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

• question_answer120) DNA replication occurs in

A) ${{G}_{1}}-phase$

B) S-phase

C) ${{G}_{2}}-phase$

D) M-phase

• 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

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

A) Centriole

B) Lysosome

C) Chromoplast

D) Chloroplast

• 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

A) RNA with protein

B) DNA with protein

C) DNA without protein

D) DNA only

A) venter wall of archegonium

B) outgrowth of gametophyte

C) neck wall of archegonium

D) paraphysis of the archegonial branch

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

A) Cycas

B) Funaria

C) Selaginella

D) Mucor

• question_answer127) A ferm differs from a moss in having

A) swimming archegonia

B) swimming antherozoids

C) independent gametophytes

D) independent sporophytes

• question_answer128) Female cone of Pinus is a

A) modified needles

B) modified long shoot

C) modified dwarf shoot

D) modified scale

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

A) apomixis

B) polyembryony

C) parthenocarpy

D) parthenogenesis

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

A) Nucellus

B) Outer integument

C) Ovary wall

D) Inner integument

• question_answer131) Prothallus of the fem produces

A) spores

B) gametes

C) Both [a] and [b]

D) cones

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

A) Mitochondria

B) Peroxisome

C) Chloroplast

D) All of these

• 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) $75\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer134) Chromosomes are arranged along the equator during

A) prophase

B) metaphase

C) anaphase

D) telophase

• 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 $\overset{o}{\mathop{\text{A}}}\,$

• 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

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

A) peristomial teeth

B) annulus

C) calyptras

D) operculum

• question_answer138) Crossing over occurs during

A) leptotene

B) diplotene

C) pachytene

D) zygotene

A) histones

B) hydrocarbons

C) polynucleotides

D) lipoproteins

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

A) chromatophores

B) mitochondria

C) chloroplast

D) root hair

• question_answer141) Viral infection is usually absent in

A) phloem cells

B) xylem cells

C) pith cells

D) apical meristem

• question_answer142) Clamp connections are found in

A) Phycomycetes

B) Ascomycetes

C) Basidiomycetes

D) Deuteromycetes

• 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

• 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

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

A) Mitochondria

B) Chloroplast

C) Peroxysome

D) Nucleus

• question_answer146) Genes exhibiting multiple effects are known as

A) complementary genes

B) pleiotropic genes

C) cistrons

D) pseudogenes

• question_answer147) Who coined the term cistron?

A) Muller

B) Benzer

C) Khorana

D) Sutton

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

A) Chloroplast

B) Mitochondria

C) Golgi body

D) Ribosome

• question_answer149) In Selaginella, trabeculae are the modification of

A) epidermal cells

B) cortical cells

C) endodermal cells

D) pericycle cells

• question_answer150) Tonoplast is a membrane, which surrounds

A) ribosome

B) mitochondria

C) vacuole

D) cytoplasm

A) Physalia

B) Trypanosoma

C) Termite

D) All of these

A) Cnidaria

B) Jelly fish

C) Echinodermata

D) Hemichordata

• question_answer153) Basic unit of classification is

A) genus

B) species

C) order

D) class

A) Peripatus

B) Lepidosiren

C) Neopilina

D) Protopterus

A) Porifera - choanocytes

B) Coelenterata - nematocysts

C) Annelida - segmentation

D) Monera - eukaryote

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

A) Annelida

B) Arthropoda

C) Mollusca

D) Echinodermata

• question_answer157) Ancestor of man who first stood erect was

A) Australopithecus

B) Cro-magnon

C) Java-ape man

D) Peking man

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

A) national park

B) sanctuary

C) tiger reserve

D) biosphere reserve

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

A) Rotenone

B) Pyrethrum

C) DDT

D) Humulin

A) $OR{{h}^{+}}$

B) $OR{{h}^{-}}$

C) $AB\text{ }R{{h}^{+}}$

D) $AB\text{ }R{{h}^{-}}$

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

A) IVF

B) IUCN

C) WWF

D) IBWL

• question_answer162) Largest tiger population is found in

A) Sunderban national park

B) Corbett national park

C) Ranthambhor national park

D) Kanha national park

• 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

• question_answer164) Gigantism and acromegaly are due to

A) hypothyroidism

B) hyperthyroidism

C) hypopituitarism

D) hyperpituitarism

• 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) ${{\text{I}}^{\text{O}}}\,{{\text{I}}^{\text{A}}}$

• question_answer166) Spermatogenesis is under the regulatory in fluence of

B) FSH

C) LH

D) STH

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

A) Insects

B) Diseases

C) Weeds

D) All of these

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

A) Estrogen

B) Progesterone

C) Luteinizing hormone

• question_answer169) Product of biotechnology is

A) transgenic crops (GM crops)

B) humulin

C) biofertilizer

D) All of the above

• question_answer170) Phase common in aerobic and anaerobic respiration is

A) Krebs cycle

B) glycolysis

C) glycogenolysis

D) ETS

A) $\text{HCl}$

B) trypsin

C) $\text{NaOH}$

D) pepsinogen

• 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

• 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

• question_answer174) Urea synthesis occurs in

A) kidney

B) liver

C) brain

D) muscles

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

A) Cortex

B) Medulla

C) Pelvis

A) Amnion

B) Allantois

C) Chorion

D) Yolk sac

• question_answer177) Deficiency of vitamin${{\text{B}}_{\text{12}}}$causes

A) cheilosis

B) thalassemia

C) beri-beri

D) pernicious anaemia

• question_answer178) Blood is a kind of

A) areolar tissue

B) connective tissue

C) fluid connective tissue

D) reticular connective tissue

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

A) Estrogen + progesterone

B) lUCDandMTP

C) Tubectomy and vasectomy

D) All of these

A) cirrhosis

B) epilepsy

C) neurosis

D) psychosis

• question_answer181) The most primitive vertebrates are

A) Ostracoderms

B) Cephalochordates

C) Placederms

D) Cyclostomes

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

A) continuous variation

B) discontinuous variation

C) meristic variation

D) substantive variation

A) Turners syndrome

B) Klinefelters syndrome

C) Super female

D) Downs syndrome

• question_answer184) Origin of life occurred in

A) Precambrian

B) Coenozoic

C) Palaeozoic

D) Mesozoic

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

A) Arthrology

B) Ichthyology

C) Saurology

D) Herpetology

• question_answer186) Theory of continuity of germplasm propounded by

A) Mendel

B) Lamarck

C) Weismann

D) Haeckel

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

A) Ronald Ross

B) Charles Lavern

C) Golgi

D) Lamble

• question_answer188) Epimysium, perimysium and endomysium are found in

A) nerve

B) bloodvessel

C) striated muscle

D) uterus

A) squamous cells

B) cuboidal cells

C) columnar cells

D) stratified epithelium

• question_answer190) Bipolar neurons occur in

A) vertebrate embryos

B) retina of eye

C) brain and spinal cord

D) skeletal muscles

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

A) Stomach

B) Kidney

C) Tesris

D) Liver

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

A) glycogenesis

B) gluconeogenesis

C) glycogenolysis

D) glycolysis

• question_answer193) Which is called Hamburger shift?

A) Hydrogen shift

B) Bicarbonate shift

C) Chloride shift

D) Sodium shift

• question_answer194) Papillary muscles are found in mammalian

A) auricles

B) ventricles

C) pinna

D) eyes

• 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

A) progesterone

B) estrogen

C) luteotropin hormone

D) luteinizing hormone

• question_answer197) Axis vertebra is identified by

A) sigmoid notch

B) deltoid ridge

C) odontoid process

D) centrum

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

A) Reissners membrane

B) Basilar membrane

C) Tectorial membrane

D) All of the above

• question_answer199) Which stage of silkworm secretes silk ?

B) Larva

C) Cocoon

D) Pupa

• question_answer200) Real product of apiculture is

A) honey

B) bee wax

C) Both [a] and [b]

D) None of these