# Solved papers for Punjab Medical Punjab - MET Solved Paper-2001

### done Punjab - MET Solved Paper-2001

• question_answer1) The dimension $[M{{L}^{-1}}{{T}^{-2}}]$ represents

A) Youngs modulus

B) stress

C) pressure

D) all of these

• question_answer2) A cylinder of mass $10\,\,kg$ is rolling on a plane with an initial velocity of$10\,\,m/s$. If coefficient of friction between surface and cylinder is$0.5$, then before stopping, it will describe

A) $12.5\,\,m$

B) $5\,\,m$

C) $7.5\,\,m$

D) $10\,\,m$

• question_answer3) A bomber plane moves horizontally with a speed of $500\,\,m/s$ and bomb released from it strikes the ground in$10\sec$. Angle at which it strikes the ground will be$(g=10m/{{s}^{2}})$

A) ${{\tan }^{-1}}\frac{1}{5}$

B) ${{\tan }^{+1}}\frac{1}{5}$

C) ${{\tan }^{-1}}1$

D) ${{\tan }^{-1}}5$

• question_answer4) A body of mass $40\,\,kg$ having velocity $4\,\,m/s$ colloids with another body of mass 60kg having velocity$2\,\,m/s$. If the collision is inelastic, then loss in kinetic energy will be

A) $440\,\,\text{J}$

B) $392\,\,\text{J}$

C) $48\,\,\text{J}$

D) $144\,\,\text{J}$

• question_answer5) The apparent weight of the body, when it is travelling downwards with an acceleration of $2\,\,m/s$ and mass is$10\,\,kg$, will be

A) $198\,\,N$

B) $164\,\,N$

C) $140\,\,N$

D) $118\,\,N$

• question_answer6) A cyclist moves in a circular track or radius$100\,\,m$. If the coefficient of friction$0.2$. Then the maximum speed with which the cyclist can take a turn without leaving inwards, is

A) $14.0\,\,m/s$

B) $140\,\,m/s$

C) $1.4\,\,m/s$

D) $9.8\,\,m/s$

• question_answer7) The horizontal range of a projectile is $4\sqrt{3}$ times its maximum height, then the angle of projection is

A) ${{30}^{o}}$

B) ${{45}^{o}}$

C) ${{60}^{o}}$

D) ${{90}^{o}}$

• question_answer8) A block slides down an inclined plane making an angle $\theta ={{30}^{o}}$ with the horizontal with an acceleration$\frac{g}{4}$, then coefficient of frictions will be

A) $\frac{1}{4}\left( \frac{\sqrt{3}}{2} \right)$

B) $\frac{1}{4}-\frac{\sqrt{3}}{2}$

C) $\frac{1}{2\sqrt{3}}$

D) $2\sqrt{3}$

• question_answer9) A wheel of mass $10\,\,kg$ has a moment of inertia of $160\,\,kg\text{-}{{m}^{2}}$ about its own axis, the radius of gyration will be

A) $10\,\,m$

B) $8\,\,m$

C) $6\,\,m$

D) $4\,\,m$

• question_answer10) A running man has half the kinetic energy of that of a boy of half of his mass. The man speeds up by $1\,\,m/s$ so as to have same K.E. as that of the boy. The original speed of the man will be

A) $\sqrt{2}\,\,m/s$

B) $(\sqrt{2}-1)\,\,m/s$

C) $\frac{1}{(\sqrt{2}-1)}\,\,m/s$

D) $\frac{1}{\sqrt{2}}\,\,m/s$

• question_answer11) If a cycle wheel of radius $4\,\,m$ completes one revolution in two seconds. Then acceleration of the cycle will be

A) ${{\pi }^{2}}m/{{s}^{2}}$

B) $2{{\pi }^{2}}m/{{s}^{2}}$

C) $4{{\pi }^{2}}m/{{s}^{2}}$

D) $8\pi \,\,m/{{s}^{2}}$

• question_answer12) Assuming earth to be a sphere of a uniform density, the value of g in a mine 100 km below the earth surface will be

A) $3.66\,\,m/{{s}^{2}}$

B) $5.66\,\,m/{{s}^{2}}$

C) $7.64\,\,m/{{s}^{2}}$

D) $9.66\,\,m/{{s}^{2}}$

• question_answer13) The angular speed of earth, so that the object on equator may appear weight less, is $(g=10)\,\,m/{{s}^{2}}$, radius of earth$6400\,\,km$

A) $1.25\times {{10}^{-3}}rad/s$

B) $1.56\times {{10}^{-3}}rad/\sec$

C) $1.25\times {{10}^{-1}}rad/s$

D) $1.56\,\,rad/\sec$

• question_answer14) Mass of moon is $1/81$ times that of earth and its radius is $1/4$ the radius of earth. If escape velocity on the surface of the earth is$11.2\,\,km/s$. Then the value of escape velocity at surface of the moon will be

A) $5\,\,km/s$

B) $2.5\,\,km/s$

C) $0.5\,\,km/\sec$

D) $0.14\,\,km/\sec$

• question_answer15) Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio between their volumes is

A) $2:1$

B) $8:1$

C) $108:101$

D) ${{(102)}^{2}}:{{(103)}^{2}}$

• question_answer16) A bob of mass $10\,\,kg$ is attached to wire $0.3$ long. Its breaking stress is$4.8\times {{10}^{7}}N{{m}^{2}}$. The area of cross section of the wire is${{10}^{-6}}{{m}^{2}}$. The maximum angular velocity with which it can be rotated in a horizontal circle

A) $8\,\,rad/\sec$

B) $4\,\,rad/\sec$

C) $2\,\,rad/\sec$

D) $1\,\,rad/\sec$

• question_answer17) A body cools from ${{60}^{o}}C$ to ${{50}^{o}}C$ in 10 minutes. If the room temperature is ${{25}^{o}}C$ and assuming Newtons cooling law holds good, the temperature of the body at the end of next 10 minute is

A) ${{45}^{o}}C$

B) ${{42.85}^{o}}C$

C) ${{40}^{o}}C$

D) ${{38.5}^{o}}C$

• question_answer18) The original temperature of a black body is${{727}^{o}}C$. The temperature at which this black body must be raised so as to double, the total radiant energy, is

A) $971\,\,K$

B) $1190\,\,K$

C) $2001\,\,K$

D) $1458\,\,K$

• question_answer19) Molar specific heat at constant pressure for a mono atomic gas is

A) $\frac{8}{2}R$

B) $\frac{7}{2}R$

C) $\frac{5}{2}R$

D) $\frac{3}{2}R$

• question_answer20) A Carnot engine works between temperature${{727}^{o}}C$and${{27}^{o}}C$. The efficiency of the engine is

A) $70%$

B) $35%$

C) $90%$

D) $100%$

• question_answer21) A mono atomic gas $\left( \gamma =\frac{5}{3} \right)$ is suddenly compressed to $\frac{1}{8}th$ of its volume adiabatically. Then the pressure of the gas will change to

A) $\frac{47}{3}$

B) $18$

C) $\frac{29}{5}$

D) 32 times its initial pressure

• question_answer22) One mole of an ideal mono atomic gas is heated at a constant pressure of one atmosphere from ${{0}^{o}}C$ to${{100}^{o}}C$. Then the change in the internal energy is

A) $3\times {{10}^{-4}}\,\,C$

B) $3\times {{10}^{-3}}\,\,C$

C) $3\times {{10}^{-2}}\,\,C$

D) $3\times {{10}^{-1}}\,\,C$

• question_answer23) When a mass $m$ is attached to a spring, it normally extends by$0.2\,\,m$. The mass m is given a slight addition extension and released, then its time period will be

A) $\frac{1}{7}$second

B) second

C) $\frac{2\pi }{7}$second

D) $\frac{2}{3\pi }$second

• question_answer24) If the velocity of sound in air is$350\,\,m/s$, then fundamental frequency of an open organ pipe of length $50\,\,cm$ is

A) $980\,\,Hz$

B) $700\,\,Hz$

C) $350\,\,Hz$

D) $175\,\,Hz$

• question_answer25) A siren emitting sound of frequency $800\,\,Hz$ is going away from a stationary listener with the speed of$30\,\,m/s$. The frequency of sound to be heard directly from the siren is

A) $733.3\,\,Hz$

B) $782.3\,\,Hz$

C) $833.3\,\,Hz$

D) none of these

• question_answer26) A particle executing SHM has amplitude $0.01$ and frequency$60\,\,Hz$ . The maximum acceleration of the particle is

A) $60\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}$

B) $80\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}$

C) $120\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}$

D) $144\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}$

• question_answer27) If the equation of motion of a standing wave is $y=0.3\sin (314t-1.57x)$. Then the velocity of standing wave is

A) $400\,\,m/s$

B) $250\,\,m/s$

C) $100\,\,m/s$

D) $200\,\,m/s$

• question_answer28) The dielectric strength of air at $NTP$ is $3\times {{10}^{6}}\,\,V/m$ then the maximum charge that can be given to a spherical conductor of radius $3\,\,m$ is

A) $3\times {{10}^{-4}}\,\,C$

B) $3\times {{10}^{-3}}\,\,C$

C) $3\times {{10}^{-2}}\,\,C$

D) $3\times {{10}^{-1}}\,\,C$

• question_answer29) In an hydrogen atom, the electron revolves around the nucleus in an orbit of radius$0.53\times {{10}^{-10}}\,\,m$. Then the electrical potential produced by nucleus at the position of the elect is

A) $-13.6\,\,V$

B) $-27.2\,\,V$

C) $27.2\,\,V$

D) $13.6\,\,V$

• question_answer30) Two spherical conductor of capacitances $3\mu F$ and $5\mu F$ are charged to potent of $300\,\,volt$ and$500\,\,volt$. The two connected resulting in redistribution charges. The decrease in electrical energy will be

A) zero

B) $37.3\times {{10}^{-3}}\,\,\text{J}$

C) $722.5\times {{10}^{-3}}$

D) $760\times {{10}^{-3}}\,\,\text{J}$

• question_answer31) Three capacitors of $2.0,\,\,3.0,\,\,6.0\,\,\mu F$ are connected in series to a $10\,\,volt$ source. The charge on $3.0\,\,\mu F$ capacitor is

A) $15\,\,\mu C$

B) $12\,\,\mu C$

C) $5\,\,\mu C$

D) $10\,\,\mu C$

• question_answer32) Four capacitors are connected in circuit as shown in the given figure. The effective capacitance between points $A$ and $B$ will be

A) $4\,\,\mu F$

B) $18\,\,\mu F$

C) $\frac{28}{9}\,\,\mu F$

D) $5\,\,\mu F$

• question_answer33) From a point charge, there is a fix point$A$. At$A$, there is an electric fit of $500\,\,V/m$ and potential difference$3000\,\,V$. Distance between point char and point $A$ is

A) $24\,\,m$

B) $16\,\,m$

C) $12\,\,m$

D) $6\,\,m$

• question_answer34) There is a current of $40$ ampere in a wire of ${{10}^{-6}}{{m}^{2}}$ area of cross-section. If the number of free electron per ${{m}^{3}}$ is${{10}^{29}}$, then the drift velocity will be

A) $1.25\times {{10}^{3}}\,\,m/s$

B) $2.50\times {{10}^{-3}}\,\,m/s$

C) $25.0\times {{10}^{-3}}\,\,m/s$

D) $250\times {{10}^{-3}}\,\,m/s$

• question_answer35) A $50\,\,volt$ battery is connected across a 10 ohm resistor. The current is 4.5 amp. The internal resistance of battery will be

A) $5.0\,\,\Omega$

B) $1.1\,\,\Omega$

C) $0.5\,\,\Omega$

D) $zero$.

• question_answer36) The current i in the circuit of the adjoining fig is

A) $\frac{1}{5}\,\,amp$

B) $\frac{1}{10}\,\,amp$

C) $\frac{1}{45}\,\,amp$

D) $\frac{1}{15}\,\,amp$

• question_answer37) A battery of $12\,\,V$ and an internal resistance of $0.80$ is connected to 3 resistors as shown in the fig. The current ( in the circuit is

A) $2.3\,\,A$

B) $4.0\,\,A$

C) $2.0\,\,A$

D) $1.33\,\,A$

• question_answer38) A prism of refracting angle ${{60}^{o}}$ has minimum angle of deviation of${{30}^{o}}$. What must be the angle of incidence for this case?

A) ${{30}^{o}}$

B) ${{45}^{o}}$

C) ${{90}^{o}}$

D) ${{0}^{o}}C$

• question_answer39) Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3, is

A) $4\times {{10}^{-11}}s$

B) $2\times {{10}^{-11}}s$

C) $16\times {{10}^{-11}}s$

D) $8\times {{10}^{-11}}s$

• question_answer40) Youngs double slit experiment is performed with light of wavelength$550\,\,nm$. The separation between the slits is $1.10\,\,mm$ and screen is placed at distance of$1\,\,m$. What is the distance between the consecutive bright and dark fringes?

A) $1.5\,\,mm$

B) $1.0\,\,mm$

C) $0.5\,\,mm$

D) none of these

• question_answer41) What will be the angle of diffracting for the first minimum due to Fraun hoffer diffraction with sources of light of wave length $550\,\,nm$ and slit of width$0.55\,\,mm$

A) $0.001\,\,rad$

B) $0.01\,\,rad$

C) $1\,\,rad$

D) $0.1\,\,rad$

• question_answer42) Magnifying power of an astronomical telescope is $8$ and the distance between the two lenses is$54\,\,cm$. The focal length of eye lens and objective lens will be respectively.

A) $64cm\And 8cm$

B) $8cm\And 64cm$

C) $48cm\And 6cm$

D) $6cm\And 48cm$

• question_answer43) An electron jumps from 5th orbit to 4th orbit of hydrogen atom. Taking the Rydberg constant as ${{10}^{7}}$ per minute. What will be the frequency of radiation emitted?

A) $6.75\times {{10}^{12}}Hz$

B) $6.75\times {{10}^{14}}Hz$

C) $6.75\times {{10}^{13}}Hz$

D) None of these

• question_answer44) Ultraviolet radiation of $6.2\,\,eV$ falls on an aluminium surface (work function$4.2\,\,eV$). The kinetic energy in joule of the fastest electron emitted is approximately

A) $3\times {{10}^{-15}}\,\,J$

B) $4\times {{10}^{-17}}\,\,J$

C) $3\times {{10}^{-19}}\,\,J$

D) $3\times {{10}^{-21}}\,\,J$

• question_answer45) The binding energy of deuterium and helium atom is $1.1\,\,MeV$ and$7.0\,\,MeV$. If two deuterium nuclei fuse to form helium atom, the energy released is

A) $19.2\,\,MeV$

B) $23.6\,\,MeV$

C) $26.9\,\,MeV$

D) $13.9\,\,MeV$

• question_answer46) $Bi$ has a half-life of 5 days. What time is taken by $(7/8)th$ part of the sample to decay?

A) 20 day

B) 15 day

C) 10 day

D) 3-4 day

• question_answer47) The impurity atoms with which a pure silicon should be doped to make a$p-$type semiconductor is

A) phosphorous

B) aluminium

C) antimony

D) arsenic

• question_answer48) A transistor has an $\alpha =0.95$ it has charge in emitter current of $100\,\,milli$ ampere, then the charge in collector current is

A) $95\,\,mA$

B) $99.05\,\,mA$

C) $00.95\,\,mA$

D) $100\,\,mA$

• question_answer49) A coil of resistance $10\Omega$ and an inductance $5\,\,H$ is connected to a $100\,\,volt$ battery. Then energy stored in the coil is

A) $125\,\,erg$

B) $125\,\,J$

C) $250\,\,erg$

D) $250\,\,J$

• question_answer50) The velocity of electromagnetic waves in a good conductor is

A) $3\times {{10}^{8}}\,\,m/s$

B) zero

C) infinite

D) none of these

• question_answer51) Ethylene is obtained from ethyl bromide by treating it with

A) hydrogen

B) aqueous caustic soda

C) aqueous caustic potash

D) alcoholic caustic potash

• question_answer52) Which substance when boiled with $NaOH$ will evolve$N{{H}_{3}}$?

A) Aniline

B) Acetamide

C) Ethylamine

D) Acetoxime

• question_answer53) Optical isomerism shown by

A) $C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}OH$

B) $C{{H}_{3}}-\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-OH$

C) $C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{C}}}\,-C{{H}_{2}}-C{{H}_{3}}$

D) $CH-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}}\,-OH$

• question_answer54) Length of carbon-carbon bond is least in

A) ethanol

B) ethanol

C) ethane

D) ethyne

A) trisaccharide

B) monosaccharide

C) disaccharide

D) none

• question_answer56) Formaldehyde on condensation in presence of $Ca{{(OH)}_{2}}$ gives

A) formose

B) fructose

C) maltose

D) xylose

• question_answer57) The reaction between chlorobenzene and chloral in the presence of concentrated sulphuric acid produces

A) gammexane

B) $p.p-$dichloro diphenyl trichloro ethane

C) chloropicrin

D) benzene hexachloride

• question_answer58) Which does not react with Fehlings solution?

A) Acetaldehyde

B) Formic acid

C) Glucose

D) Benzaldehyde

• question_answer59) Primary alcohols can be obtained from the reaction of the $RMgX$ with

A) $C{{O}_{2}}$

B) $HCHO$

C) $C{{H}_{3}}CHO$

D) ${{H}_{2}}O$

• question_answer60) $PC{{l}_{5}}$ reacts with propanone, to give

A) vic-dichloride

B) propanal

C) propane-chloride

D) gem-dichloride

• question_answer61) Which is a suitable reagent to confirm the presence of iodine?

A) Fehlings solution

B) Starch solution

C) Silver nitrate solution

D) Miltons reagent

• question_answer62) Concentrated $NaOH$ and benzaldehyde react to produce

A) cinnamic acid

B) hydrogen benzamide

C) benzophenone

D) benzyl alcohol

• question_answer63) When wine is put in air, it becomes sour due to

A) reduction of${{C}_{2}}{{H}_{5}}OH$

B) dissolution of$C{{O}_{2}}$

C) oxidation of${{C}_{2}}{{H}_{5}}OH$

D) formation of${{C}_{2}}{{H}_{5}}N{{H}_{2}}$

• question_answer64) Which radicals are precipitated in ${{(N{{H}_{4}})}_{2}}C{{O}_{3}}$ in presence of alkali?

A) $C{{a}^{+2}},\,\,B{{a}^{+2}},\,\,S{{r}^{+2}}$

B) $Mg$

C) Both

D) None

• question_answer65) At what temperature will be rate of effusion of ${{N}_{2}}$ be $1.625$ time to rate of effusion of $S{{O}_{2}}$ at${{500}^{o}}C$?

A) $1730\,\,K$

B) $110\,\,K$

C) $273\,\,K$

D) $893\,\,K$

• question_answer66) Oxygen contains $90%\,\,{{O}^{16}}$ and$10%$${{O}^{18}}$. Its atomic mass is

A) $16.2$

B) $17.4$

C) $17$

D) $16.5$

• question_answer67) White smoke is formed when ammonia gas meets with

A) ${{H}_{2}}S{{O}_{4}}$

B) $HCl$

C) ${{H}_{2}}O$

D) $HN{{O}_{3}}$

• question_answer68) According to Bronsted-Lowry concept, the correct order of relative strength of bases follows the order

A) $C{{H}_{3}}CO{{O}^{-}}>C{{l}^{-}}>O{{H}^{-}}$

B) $C{{H}_{3}}CO{{O}^{-}}>O{{H}^{-}}>C{{l}^{-}}$

C) $O{{H}^{-}}>C{{H}_{3}}CO{{O}^{-}}>C{{l}^{-}}$

D) $O{{H}^{-}}>C{{l}^{-}}>C{{H}_{3}}CO{{O}^{-}}$

• question_answer69) The common ion effect is shown by which of the following set of solutions?

A) $BaC{{l}_{2}}+BaN{{O}_{3}}$

B) $NaCl+HCl$

C) $N{{H}_{4}}OH+N{{H}_{4}}Cl$

D) None

• question_answer70) The number of incomplete orbitals in inner transition elements are

A) 2

B) 3

C) 4

D) 1

• question_answer71) What is $\Delta n$ for combustion of 1 mole of benzene, when both the reactants and the products are gas at$298\,\,K$

A) $0$

B) $3/2$

C) $-3/2$

D) $1/2$

A) $N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O$

B) $NaN{{O}_{3}}$

C) $NaCl$

D) $N{{a}_{2}}{{B}_{4}}{{O}_{7}}.10{{H}_{2}}O$

• question_answer73) lonisation potential values of $d$ block elements as compared to ionization potential value of $f$ block elements are

A) higher

B) equal

C) lower

D) all of these

• question_answer74) The distribution law is applied for the distribution of basic acid between

A) water and ethyl alcohol

B) water and amyl alcohol

C) water and sulphuric acid

D) water and liquor ammonia

• question_answer75) The maximum sum of the number of neutrons and protons in an isotope of hydrogen is

A) 4

B) 5

C) 6

D) 3

• question_answer76) The amount of ${{H}_{2}}S{{O}_{4}}$ present in $400\,\,ml$ of $0.1\,\,M$solution is

A) $4.9\,\,g$

B) $9.80\,\,g$

C) $3.92\,\,g$

D) $12.45\,\,g$

• question_answer77) The compound which ionizes almost completely in water is

A) alcohol

B) acetic acid

C) hydrogen peroxide

D) potassium chloride

• question_answer78) On addition of an inert gas at constant volume to the reaction${{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}$at equilibrium

A) the reaction remains unaffected

B) forward reaction is favoured

C) the reaction halts

D) backward reaction is favoured

• question_answer79) Which shows highest coagulating power for negatively charged $A{{g}_{2}}{{S}_{3}}$ colloid solution?

A) $SO_{2}^{4-}$

B) $PO_{4}^{3-}$

C) $A{{l}^{3+}}$

D) $N{{a}^{+}}$

• question_answer80) Temporary hardness of water can be removed by

B) boiling

C) filtration

• question_answer81) Heat or formation of ${{H}_{2}}O(g)$ at $1\,\,atm$ and ${{25}^{o}}C$ is$-243\,\,kJ$. $\Delta E$ for the reaction ${{H}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}O(g)$at ${{25}^{o}}C$ is

A) $-243\,\,kJ$

B) $-241.8\,\,kJ$

C) $241.8\,\,kJ$

D) $243\,\,kJ$

• question_answer82) In the reduction of dichromate by $Fe(II)$ , the number of electrons involved per chromium atom is

A) 2

B) 3

C) 4

D) 1

• question_answer83) $0.71\,\,g$of chlorine combines with certain weight of a metal giving $1.11\,\,g$ of its chloride. The equivalent weight of the metal is

A) $40$

B) $20$

C) $80$

D) none

• question_answer84) In the following reaction,$2S{{O}_{2}}(g)+{{O}_{2}}(g)\to 2S{{O}_{3}}(g)$:$\Delta H=-$heat, the formation of $S{{O}_{3}}$ is favoured by

A) decreasing the pressure and increasing the temperature

B) increasing the pressure and decreasing the temperature

C) increasing the pressure and the temperature

D) decreasing the pressure and the temperature

• question_answer85) A metal oxide is reduced by heating it in a stream of hydrogen. It is found that after complete reduction, $3.15\,\,g$ of the oxide have yielded $1.05$ of the metal. We may deduce that

A) the eq. weight of the metal is 8

B) the atomic weight of the metal is 8

C) the atomic weight of the metal is 4

D) the eq. weight of the metal is 4.

• question_answer86) An electron is in one of the 3 $d-$orbitals, which of the quantum number is not possible?

A) $n=1$

B) $n=3$

C) $l=1$

D) $m=2$

• question_answer87) The $pH$ of $1%$ ionised $0.1\,\,M$ solution of a weak monoprotic acid is

A) $3$

B) $1$

C) $2$

D) $11$

• question_answer88) A system is changed from state $A$ to state $B$ by one path and from $B$ to $A$ another path. If${{E}_{1}}$ and ${{E}_{2}}$ are the corresponding changes in internal energy, then

A) ${{E}_{1}}+{{E}_{2}}=-ve$

B) ${{E}_{1}}+{{E}_{2}}=+ve$

C) ${{E}_{1}}+{{E}_{2}}=0$

D) none

• question_answer89) Suppose you have to determine the percentage of carbon dioxide in a sample of a gas available in a container. Which is the best absorbing material for the carbon dioxide is

A) Heated copper oxide

B) Cold, solid calcium chloride

C) Cold, solid calcium hydroxide

D) Heated charcoal

• question_answer90) Which compound has bond angle nearly to 90?

A) ${{H}_{2}}O$

B) ${{H}_{2}}S$

C) $N{{H}_{3}}$

D) $C{{H}_{4}}$

• question_answer91) The bond angle is minimum in

A) ${{H}_{2}}Te$

B) ${{H}_{2}}Se$

C) ${{H}_{2}}O$

D) ${{H}_{2}}S$

• question_answer92) If two light nuclei are fused together in nuclear reaction the average energy per nucleon

A) increases

B) cannot be determined

C) remains same

D) decreases

• question_answer93) Which metal does not give the following reaction? $M+water\,\,or\,\,stream\xrightarrow{{}}oxide\,\,+{{H}_{2}}\uparrow$

A) Mercury

B) Iron

C) Sodium

D) Magnesium

• question_answer94) What bond order does$O_{2}^{2-}$have

A) 3

B) 2

C) 1

D) 1/2

• question_answer95) Which noble gas is the least polarizable?

A) $Kr$

B) $Ne$

C) $He$

D) $Rn$

• question_answer96) Which one is the strongest bond?

A) $Br-F$

B) $F-F$

C) $Cl-F$

D) $Br-Cl$

• question_answer97) The oxidation number of $N$ in ${{N}_{2}}H_{5}^{+}$ is

A) $-3$

B) $(-2)$

C) $-1$

D) $+2$

• question_answer98) Aquaregia is a mixture of

A) ${{H}_{3}}P{{O}_{4}}+{{H}_{2}}S{{O}_{4}}$

B) $3HN{{O}_{3}}+HCl$

C) $3HCl+HN{{O}_{3}}$

D) $HCl+C{{H}_{3}}COOH$

• question_answer99) The electronic configuration of halogen is

A) $n{{s}^{2}}n{{p}^{6}}$

B) $n{{s}^{2}}n{{p}^{3}}$

C) $n{{s}^{2}}n{{p}^{5}}$

D) $n{{s}^{2}}$

• question_answer100) On warming formic acid with ammonical silver nitrate, the product formed is

A) silver formate

B) metallic silver

C) silver oxide

D) formaldehyde

• question_answer101) Which of the following structure is present in mitochondria?

A) Polysomes

B) Dilysomes

C) Quantasomes

D) Oxysomes

• question_answer102) Cell theory was propounded by

A) Schleiden and Schwann

B) Robert Hooke

C) Robert Koch

D) Darwin

• question_answer103) Which process is completed in mitochondria?

A) Oxidative phosphorylation

B) Photophosphorylation

C) Photolysis

D) Matrix formation

• question_answer104) Grana are present inside the

A) mitochondria

B) chloroplast

C) endoplasmic reticulum

D) ribosome

• question_answer105) Which event involves in crossing over?

A) Chromosomes are short and thick

B) Exchange of genetic material

C) Pairing of chromosomes

• question_answer106) Insectivorous plants grow in

A) calcium deficient soil

B) carbon deficient soil

C) magnesium deficient soil

D) nitrogen deficient soil

• question_answer107) The term water potential was given by

A) Dixon and Jolly

B) Prof. R.C. Sirohi

C) J.C. Bose

D) Slatyer and Tayler

• question_answer108) Abscisic acid plays active role in

A) dormancy of seeds

B) cell division

C) enhance ,senscense

D) shoot elongation

• question_answer109) What is R. Q. of early stages of germination of castor seed?

A) One

B) Two

C) Zero

D) Less than one

A) single celled

B) six celled

C) seven celled

D) eight celled

A) living organic and inorganic matter

C) dead and decayed organic matter

D) only living organic matter

• question_answer112) In nitrogen deficient soil, which group of plant can grow?

A) Gymnosperms

B) Algae

C) Insectivorous

D) Bryophytes

• question_answer113) Which family has actinomorphic flower?

A) Poaceae

B) Solanaceae

C) Papaveraceae

D) Papilionaceae

• question_answer114) Classification given by Hutchinson is

A) phylogenetic

B) artificial

C) natural

D) none of these

• question_answer115) The depletion of ozone layer in stratosphere would result in

A) global warming

B) forest fires

C) skin cancer incidence

D) soil erosion

• question_answer116) Crop rotation is used by farmers

A) to increases soil fertility

B) to increases community area

C) to increases organic content of the soil

D) to increases nitrogenous content in the soil

• question_answer117) Soil erosion can be prevented by

A) afforestation

B) deforestation

C) over-grazing

D) none of these

• question_answer118) Opium is obtained from which plant

A) Tectona grandis

B) Triticum aestivum

C) Papaver somniferum

D) Rosa indica

• question_answer119) Which is not a topographic factor?

A) Altitude

B) Steepness of slope

C) Direction of slope

D) Wind velocity

• question_answer120) Latex yielding plant is

A) Simmondria chinensis

B) Parthenium argentatum

C) Triticum aestivum

D) Mangifera indica

• question_answer121) Main effect of $S{{O}_{2}}$ on plants is

A) golgi complex distruction

B) chlorophyll distruction

C) deplasmolysis

D) plamolysis

• question_answer122) In leguminous plants, which pigment is essential for ${{N}_{3}}$ fixation?

A) Xanthophyll

B) Phycocyanin

C) Leghaemoglobin

D) Anthocyanin

• question_answer123) In phototropism, which hormone is involved

A) $2,\,\,4,\,\,5-T$

B) $2,\,\,4-D$

C) cytokinin

D) $IAA$

• question_answer124) Which bacteria is associated with roots of legume plants?

A) Rhizobium

B) Nostoc

C) Spirogyra

D) None of these

• question_answer125) Protoplasmic streaming theory was first proposed by

A) J. C. Bose

B) Dixon and Jolly

C) de Vries

D) Curtis

• question_answer126) Which is used in culture medium?

A) Agar-Agar

B) Resin

C) Gum

D) Paint

• question_answer127) In Ficus inflorescence is

A) hypanthodium

B) cymose

C) raceme

D) none of these

A) Ephedra

B) Pinus

C) Rhizopus

D) Cycas

• question_answer129) Peter Mitchell is related with

A) Photosynthetic theory

B) Chemiosmotic theory

C) Virology

D) None of these

• question_answer130) Which type of pollution is checked by green mufler?

A) Noise

B) Soil

C) Water

D) Air

• question_answer131) The disease minimata is produced by the pollution of water with

A) calcium chloride

B) silver nitrate

C) mercuric chloride

D) aluminium

• question_answer132) Major function of roots growing in air of marshy plants growing in saline soil is

A) absorption of nutrients

B) absorb moisture

C) salt injury

D) respire

• question_answer133) In plants healing of wounds takes place by the activity of

A) intercalary meristem

B) apical meristem

C) lateral meristem

D) secondary meristem

• question_answer134) Characteristic of legumes is the assimilation of ${{N}_{2}}$ in the form of

A) direct${{N}_{3}}$

B) chloride

C) nitrates

D) ammonia

• question_answer135) Dicot leaf showing parallel venation belongs to the genus

A) Calophyllum

B) Zea

C) Triticum

D) Pisum

• question_answer136) In horticulture, which chemical is used as root inducing

A) Ethylene

B) ATP

C) ABA

D) IBA

• question_answer137) Botulism is caused by Clostridium botiilinum this bacteria is

A) facultative anaerobes

B) obligate anaerobes

C) facultative aerobes

D) none of these

• question_answer138) Chloroplasts, with pyrenoid are found in the leaves of

A) Funaria

B) wheat

C) rice

D) maize

• question_answer139) Which enzyme is electron transfer enzyme?

A) Lypases

B) Proteases

C) Cytochromes

D) None of these

• question_answer140) In pyramid of fresh water pond ecosystem number of primary consumers is

A) more than the secondary consumers

B) equal to producers

C) less than the secondary consumers

D) more than the producers

• question_answer141) A- stalk-like structure which is found above the stamens and below the ovary is called

A) Filament

B) gynophore

C) abdophore

D) none of these

• question_answer142) Edaphology is a relationship between

A) plant and ecosystem

B) plant and biosphere

C) soil and living organisms

D) all of these

• question_answer143) In Cycus stem contains

A) heart wood

B) sapwood

C) pycnoxylic wood

D) manoxylic wood

• question_answer144) Which is edible in banana?

A) Mesocarp

B) Endocarp

C) both $a$ and $b$

D) None of these

• question_answer145) In the same plant if pollen of a flower falls on the stigma of another flower

A) cleistogamy

B) geitonogamy

C) both a and b

D) none of these

• question_answer146) Which is closely associated with the energy conversion reactions of aerobic respiration?

A) Mitochondria

B) Chloroplast

C) Golgi body

D) Nucleus

• question_answer147) In Dionea the movement of lamina lobe is

A) seismonastic

B) thigmonastic

C) photonastic

D) none of these

• question_answer148) In plants auxin synthesis occurs in

A) xylem cells

B) epidermis

C) root and shoot tips

D) phloem cells

• question_answer149) In pond ecosystem diatoms represent

A) producers

B) consumers

C) both $a$ and $b$

D) none of these

• question_answer150) More elongation of plant stem is due to

A) cytokinin

B) ethylene

C) auxin

D) gibberellin

• question_answer151) Lacteals are found in

A) villus of intestine

B) kidneys

C) liver

D) lungs

• question_answer152) Which one of the following exhibit concentric tube within tube plan?

A) Echinodermata

B) Mollusca

C) Oligochaeta

D) Arthropoda

• question_answer153) Vocal cords are situated at

A) bronchial tube

B) glottis

C) larynx

D) pharynx

• question_answer154) Karyotaxonomy is the modern branch of classification which is based on

A) trinomial nomenclature

B) organic evolution

C) bands found on chromosomes

D) number of chromosomes

• question_answer155) Under certain conditions scientist have obtained cell like structures. These are known as

A) prebiotic soup

B) coacervates

C) protists

D) microbes

• question_answer156) What is the name of the book written by Aristotle?

A) Philosophic Zoologique

B) Systema Naturae

C) Histoire Naturelle

D) Historia Animalium

• question_answer157) Which one of the following was most likely absent in free form in the primordial atmosphere at the time of origin of life?

A) Oxygen

B) Ammonia

C) Hydrogen

D) Methane

• question_answer158) In which book has Binomial Nomenclature been used for the first time?

A) Historia Plantarum

B) Historia Naturalis

C) Systema Naturae

D) Histoire Naturelle

• question_answer159) Haemoglobin is having maximum affinity with

A) $N{{H}_{3}}$

B) ${{O}_{2}}$

C) $C{{O}_{2}}$

D) $CO$

• question_answer160) In mongolism a patient possesses

A) 44 chromosomes

B) 45 chromosomes

C) 47 chromosomes

D) 46 chromosomes

• question_answer161) Which blood group is a universal recipient?

A) $O$

B) $AB$

C) $B$

D) $A$

• question_answer162) When released from ovary, the human egg contains

A) $XY$ chromosomes

B) two $X$ chromosomes

C) one $Y$ chromosomes

D) one $X$ chromosomes

• question_answer163) In which blood group antigens are absent?

A) $O$

B) $B$

C) $AB$

D) $A$

• question_answer164) Which endocrine gland is responsible for immunity?

B) Pituitary

C) Thymus

D) Pineal

• question_answer165) Restriction endonuclease is used in

A) regeneration of tissues

B) cell fractionation

C) tissue culture

D) genetic engineering

• question_answer166) The function of amniotic cavity is

A) protection from shocks

B) protection from dessication

C) protection from dessication and shocks

D) respiration

• question_answer167) Full form of AIDS is

A) acquired immune disease symptom

B) acquired immune deficiency syndrome

C) auto immune deficiency syndrome

D) anti-immune deficiency syndrome

• question_answer168) Incomplete division of egg during cleavage is known as

A) meroblastic

B) holoblastic

C) meridional

D) spiral

• question_answer169) The process by which ova are formed is known as?

A) Oviparity

B) Oviposition

C) Ovulation

D) Oogenesis

• question_answer170) Cell division in sexual reproduction is

A) meiotic

B) mitotic

C) amitotic

D) both $a$ and $b$

• question_answer171) The disease rickets of bones is due to

A) vitamin D deficiency

B) vitamin C deficiency

C) vitamin B deficiency

D) vitamin A deficiency

• question_answer172) In our body, the blood bank is

A) heart

B) liver

C) spleen

D) red bone marrow

• question_answer173) Main cause of beri-beri disease is

A) vitamin ${{B}_{12}}$ deficiency

B) vitamin ${{B}_{1}}$ deficiency

C) vitamin ${{B}_{2}}$ deficiency

D) vitamin ${{B}_{6}}$ deficiency

A) mitochondria

B) centrosome

C) golgi body

D) nucleus

• question_answer175) In males, the essential hormones for secondary sexual characteristics is

A) relaxin

B) estrogen

C) progesterone

D) testosterone

• question_answer176) Graffian follicle of ovary secretes which hormone

A) cortisone

B) relaxin

C) progesterone

D) estrone

• question_answer177) Cretinism is due to less secretion of

B) parathyroid gland

C) pituitary gland

D) thyroid gland

• question_answer178) The nerve related with diaphragm is

A) glossopharyngeal

B) trigeminal

C) phrenic

D) vagus

• question_answer179) The disease caused by deficiency of iodine is

A) tetany

B) goitre

C) myxoedema

D) cretinism

• question_answer180) Third ventricle is present in

A) liver

B) kidney

C) brain

D) heart

• question_answer181) What is the function of amnion?

A) Protection from shocks

B) Nutrition

C) Excretion

D) Respiration

• question_answer182) In nephrons there is complete absorption of

A) water

B) glucose

C) salt

D) urea

• question_answer183) Fallopian tube is the part of

A) vas defcrens

B) oviduct

C) ureter

D) uterus

• question_answer184) Lymph (nodes) glands form

A) antibodies

B) antigens

C) lymphs

D) hormones

• question_answer185) Movement in sperm is by

A) tail

B) middle piece

C) acrosome

• question_answer186) The vitamin which is essential for blood clotting is

A) vitamin K

B) vitamin D

C) vitamin B

D) vitamin A

• question_answer187) Ear drum is known as

A) scala vcstibuli

B) scala tympani

C) tensor tympani

D) tympanic membrane

A) B blood group

B) A blood group

C) AB blood group

D) O blood group

• question_answer189) AIDS causing factors are associated with

A) Protozoa

B) Bacteria

C) DNA virus

D) RNA virus

• question_answer190) Nails are formed by

A) keratin

B) cartilage

C) chitin

D) bones

• question_answer191) Which disease is caused by activation of oncogenes?

A) Viral flu

B) T.B.

C) Cancer

D) Cholera

A) anucleate

B) binucleale

C) uninucleate

D) syncytial

• question_answer193) Haemozoin is a toxic substance formed in case of malaria. It is produced by

A) cryptozoites

C) colour pigment of RBC

D) globin protein of RBC

• question_answer194) Striped muscles are present in

A) limb muscles

B) blood vessels

D) lungs

• question_answer195) Whose secretion forms the pearl?

A) Connective tissue of mantle

B) Ciliated epithelial cells of mantle

C) Columnar epithelial cell of mantle

D) Prismatic layer

A) cancer

B) rise in blood sugar level

C) deposition of extra fat in liver

D) protein deposition in liver

• question_answer197) Which scientist gave the theory of continuity of germplasm?

A) Darwin

B) Lamarck

C) Mendel

D) Weismann

• question_answer198) Who wrote the book Genetics and the Origin of species

A) Fischer

B) Julian Huxley

C) Dobzhansky

D) Devis

• question_answer199) Proper burial of dead bodies, for the first time, started in which pre-historic mans period?

A) Cromagnon man

B) Neanderthal man

C) Java man

D) Peking man

• question_answer200) In honey bee, drones are produced by

A) larva fed with royal jelly

B) low fed larvae

C) fertilized eggs

D) unfertilized eggs