# Solved papers for Punjab Medical Punjab - MET Solved Paper-2003

### done Punjab - MET Solved Paper-2003

• question_answer1) A particle of mass $m$ moving with velocity $v$ collides with a stationary particle of mass$2m$. The speed of the system, will be:

A) $3v$

B) $\frac{v}{2}$

C) $v/3$

D) $2v$

• question_answer2) The dimensions of gravitational constant are :

A) $M{{L}^{3}}{{T}^{-2}}$

B) ${{M}^{-1}}{{L}^{2}}{{T}^{-2}}$

C) $M{{L}^{-2}}{{T}^{2}}$

D) ${{M}^{-1}}{{L}^{3}}{{T}^{-2}}$

• question_answer3) A stone is thrown with an initial speed of $4.9\,\,m/s$ from a bridge in vertically upward direction. It falls down in water after$2\sec$. The height of bridge is:

A) $24.7\,\,m$

B) $19.8\,\,m$

C) $9.8\,\,m$

D) $4.9\,\,m$

• question_answer4) A ball of mass $10\,\,g$ moving with acceleration of $20m/{{s}^{2}}$ is hit by a force which acts on it for 0.1 sec. The impulsive force is:

A) $1.2\,\,Ns$

B) $0.3\,\,Ns$

C) $0.1\,\,Ns$

D) $0.5\,\,Ns$

• question_answer5) The earth of mass $=6\times {{10}^{24}}kg$ revolves around the sun with an angular velocity of $2\times {{10}^{-7}}\,\,rad/s$ in a circular orbit of radius$1.5\times {{10}^{-8}}\,\,km$. The force exerted by the sun on earth is:

A) $6\times {{10}^{19}}N$

B) $18\times {{10}^{25}}N$

C) $36\times {{10}^{21}}N$

D) $27\times {{10}^{39}}N$

• question_answer6) A particle moves from position${{\overset{\to }{\mathop{r}}\,}_{1}}=3\mathbf{\hat{i}}+2\widehat{\mathbf{j}}-6\widehat{\mathbf{k}}$to position$\overset{\to }{\mathop{{{r}_{2}}}}\,=14\widehat{\mathbf{i}}+13\widehat{\mathbf{j}}+9\widehat{\mathbf{k}}$under action of force$\overset{\to }{\mathop{\mathbf{F}}}\,=4\widehat{\mathbf{i}}+\widehat{\mathbf{j}}+3\widehat{\mathbf{k}}\,\,N$. The work done will be:

A) $100\,\,\text{J}$

B) $50\,\,\text{J}$

C) $200\,\,\text{J}$

D) $75\,\,\text{J}$

• question_answer7) A cylinder contains $10\,\,kg$ of gas at pressure of$107N/{{m}^{2}}$. The quantity of gas taken out of the cylinder, if final pressure is$2.5\times {{10}^{6}}N/{{m}^{2}}$, will be (temperature of gas is constant):

A) $15.2\,\,kg$

B) $3.7\,\,kg$

C) $zero$

D) $7.5\,\,kg$

• question_answer8) In junction diode, the holes are because of:

A) missing electrons

B) extra electrons

C) protons

D) neutrons

• question_answer9) The work done in pulling up a block of wood weighing $2\,\,kN$ for a length of $10\,\,m$ on a smooth plane inclined at an angle of ${{15}^{o}}$ with the horizontal is:

A) $9.82\,\,kJ$

B) $89\,\,kJ$

C) $4.35\,\,kJ$

D) $5.17\,\,kJ$

• question_answer10) If the heat of $110\,\,J$ is added to a gaseous system, whose internal energy is$40\,\,J$, then the amount of external work done is:

A) $180\,\,\text{J}$

B) $70\,\,\text{J}$

C) $110\,\,\text{J}$

D) $30\,\,\text{J}$

• question_answer11) A resonance air column of length $40\,\,cm$ resonates with a tuning fork of frequency$450\,\,Hz$. Ignoring end correction, the velocity of sound in air will be:

A) $1020\,\,m/s$

B) $920\,\,m/s$

C) $820\,\,m/s$

D) $720\,\,m/s$

• question_answer12) If vibration of string are to be two triose, then tension in the string must be made:

A) eight times

B) four times

C) twice

D) half

• question_answer13) A siren emitting sound of frequency 500 Hz is going away from a stationary listener with a speed of$50\,\,m/s$, the frequency of sound to be heard directly from the siren is:

A) $286.5\,\,Hz$

B) $481\,\,Hz$

C) $434.2\,\,Hz$

D) $580\,\,Hz$

• question_answer14) The half-life of a radioactive substance is 3.6 days. How much of $20\,\,mg$ of this radioactive substance will remain after 36 days:

A) $0.0019\,\,mg$

B) $1.019\,\,mg$

C) $1.109\,\,mg$

D) $0.019\,\,mg$

• question_answer15) The kinetic energy of an electron is$5\,\,eV$. Calculate the de-Broglie wavelength associated with it ($h=6.6\times {{10}^{-34}}\,\,Js$,${{m}_{e}}=9.1\times {{10}^{-31}}kg$):

A) $5.47\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $10.9\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $2.7\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

D) none of these

• question_answer16) A charged particle is suspended in equilibrium in a uniform vertical electric field of intensity$20000\,\,V/m$. If mass of the particle is $9.6\times {{10}^{-16}}kg$, the charge on it and excess number of electrons on the particle are respectively$(g=10m/s)$:

A) $4.8\times {{10}^{-19}}C,\,\,3$

B) $5.8\times {{10}^{-19}}C,\,\,4$

C) $3.8\times {{10}^{-19}}C,\,\,2$

D) $2.8\times {{10}^{-19}}C,\,\,1$

• question_answer17) The energy in $MeV$ is released due to transformation of $1\,\,kg$ mass completely into energy$(c=3\times {{10}^{8}}m/s)$:

A) $7.625\times 10\,\,MeV$

B) $10.5\times {{10}^{29}}\,\,MeV$

C) $2.8\times {{10}^{-28}}\,\,MeV$

D) $5.625\times {{10}^{29}}\,\,MeV$

• question_answer18) $20\,\,kV$ potential is applied across $X-$ray tube, the minimum wavelength of $X-$ray emitted will be:

A) $0.62\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $0.37\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $1.62\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $1.31\,\,\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer19) In the $CB$ mode of a transistor, when the collector voltage is changed by$0.5\,\,volt$. The collector current changes by$0.05\,\,mA$. The output resistance will be:

A) $10\,\,k\Omega$

B) $20\,\,k\Omega$

C) $5\,\,k\Omega$

D) $2.5\,\,k\Omega$

• question_answer20) A transmitting station transmits radio waves of wavelength$360\,\,m$. Calculate the inductance of coil required with a condenser of capacity $1.20\mu F$ in the resonant circuit to receive them:

A) $3.07\times {{10}^{-8}}H$

B) $2.07\times {{10}^{-8}}H$

C) $4.07\times {{10}^{-8}}H$

D) $6.07\times {{10}^{-8}}H$

• question_answer21) A circular coil of mean radius of$7\,\,cm$ and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the earths magnetic field ($B=0.5$gauss), the emf induced in coil will be:

A) $1.158\,\,V$

B) $0.58\,\,V$

C) $0.29\,\,V$

D) $5.8\,\,V$

• question_answer22) The peak value of alternating current is $5\sqrt{2}$ ampere. The mean square value of current will be:

A) $5\,\,A$

B) $2.5\,\,A$

C) $5\sqrt{2}$

D) none of these

• question_answer23) A lamp in which $10\,\,amp$ current can flow at$15\,\,V$, is connected with an alternating source of potential$220\,\,V$. The frequency of source is$50Hz$. The impedance of choke coil required to light the bulb is:

A) $0.07\,\,H$

B) $0.14\,\,H$

C) $0.28\,\,H$

D) $1.07\,\,H$

• question_answer24) If the current $30\,\,A$ flowing in the primary coil is made zero is$0.1\,\,\sec$. The emf induced in the secondary coil is$1.5\,\,volt$. The mutual inductance between the coil is:

A) $0.05H$

B) $1.05H$

C) $0.1H$

D) $0.2H$

• question_answer25) Two equal resistances $R$ are joined with voltage source $V$ in (i) series (h) parallel, the ratio of electrical power consumed in two cases will be:

A) $1:4$

B) $4:1$

C) $2:1$

D) $2:1$

• question_answer26) A proton enters a magnetic field of intensity $1.5\,\,wb/{{m}^{2}}$ with a velocity $2\times 10\,\,m/s$ in a direction at an angle ${{30}^{o}}$ with the field. The force on the proton will be (charge on proton is$1.6\times {{10}^{-19}}C$):

A) $2.4\times {{10}^{-12}}N$

B) $4.8\times {{10}^{-12}}N$

C) $1.2\times {{10}^{-12}}N$

D) $7.2\times {{10}^{-12}}N$

• question_answer27) 20 ampere current is flowing in a long straight wire. The intensity of magnetic field at a distance $10\,\,cm$ from the wire will be:

A) $2\times {{10}^{-5}}wb/{{m}^{2}}$

B) $9\times {{10}^{-5}}wb/{{m}^{2}}$

C) $8\times {{10}^{-5}}wb/{{m}^{2}}$

D) $6\times {{10}^{-5}}wb/{{m}^{2}}$

• question_answer28) The resistance of a galvanometer is$50\Omega$. When $0.01\,\,A$ current flows in it, full scale deflection is obtained in galvanometer, the resistance of shunt connected to convert galvanometer into an ammeter of range$5\,\,A$, will be:

A) $0.1\Omega$

B) $0.2\Omega$

C) $0.3\Omega$

D) $0.4\Omega$

• question_answer29) When a resistance of $\text{a}$ $\Omega$ is connected at the ends of a battery, its potential difference decreases from $40\,\,V$ to$30\,\,V$. The internal resistance of the battery is:

A) $3\,\,\Omega$

B) $6\,\,\Omega$

C) $1.5\,\,\Omega$

D) $4\,\,\Omega$

• question_answer30) The equivalent resistance and potential difference between $A$ and $B$ for the circuit is respectively: A) $4\,\,\Omega ,\,\,8\,\,V$

B) $8\,\,\Omega ,\,\,4\,\,V$

C) $2\,\,\Omega ,\,\,2\,\,V$

D) $16\,\,\Omega ,\,\,8\,\,V$

• question_answer31) A wire of resistance $R$ is divided in equal parts, then these parts are joined in parallel, the equivalent resistance of the combination will be:

A) $nR$

B) $\frac{R}{n}$

C) $\frac{n}{R}$

D) $\frac{R}{{{n}^{2}}}$

• question_answer32) The capacity of an air condenser is$2.0\mu F$. If a medium is placed between its plates. The capacity becomes$12\mu F$. The dielectric constant of the medium will be:

A) 5

B) 4

C) 3

D) 6

• question_answer33) Taking the earth to be a spherical conductor of diameter$12.8\times {{10}^{3}}km$. Its capacity will be:

A) $711\,\,\mu F$

B) $611\,\,\mu F$

C) $811\,\,\mu F$

D) $511\,\,\mu F$

• question_answer34) The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance$5\times {{10}^{-11}}m$, will be: (Charge on electron$=1.6\times {{10}^{-19}}C$, mass of electron$=9.1\times {{10}^{-31}}kg$, mass of proton$=1.6\times {{10}^{-27}}\,\,kg$,$G=6.7\times {{10}^{-11}}N{{m}^{2}}/k{{g}^{2}}$)

A) $2.36\times {{10}^{39}}$

B) $2.36\times {{10}^{40}}$

C) $2.34\times {{10}^{41}}$

D) $2.34\times {{10}^{42}}$

• question_answer35) A student can distinctly see the object upto a distance$15\,\,cm$. He wants to see the black board at a distance of$3\,\,m$. Focal length and power of lens used respectively will be:

A) $-4.8\,\,cm,\,\,-3.3\,\,D$

B) $-5.8\,\,cm,\,\,-4.3\,\,D$

C) $-7.5\,\,cm,\,\,-6.3\,\,D$

D) $-15.8\,\,cm,\,\,-6.33\,\,D$

• question_answer36) A this glass prism $(\mu =1.5)$ in the position of minimum deviation deviates the monochromatic light ray by${{10}^{o}}$, the refracting angle of prism is:

A) ${{20}^{o}}$

B) ${{10}^{o}}$

C) ${{30}^{o}}$

D) ${{45}^{o}}$

• question_answer37) Two thin lenses of powers $12\,\,D$ and $-2\,\,D$ respectively are placed in contact, the power, focal length and nature respectively will be:

A) $8\,\,D,\,\,0.8\,\,m,$convex

B) $14\,\,D,\,\,0.5\,\,m,$convex

C) $5\,\,D,\,\,0.2\,\,m,$convex

D) $10\,\,D,\,\,0.1\,\,m,$convex

• question_answer38) Amount of work which can be obtained from $200\,\,cal$ heat, will be:

A) $280\,\,\text{J}$

B) $800\,\,\text{J}$

C) $420\,\,\text{J}$

D) $840\,\,\text{J}$

• question_answer39) The spring extends by $x$ on loading, then energy stored by the spring is: (if $T$ is the tension in spring and $k$ is spring constant)

A) $\frac{{{T}^{2}}}{2k}$

B) $\frac{{{T}^{2}}}{2{{k}^{2}}}$

C) $\frac{2k}{{{T}^{2}}}$

D) $\frac{2{{T}^{2}}}{k}$

• question_answer40) The kinetic energy of one molecule of a gas at normal temperature and pressure will be $(k=8.31\,\,\text{J}$/mole$k$):

A) $1.7\times {{10}^{3}}\text{J}$

B) $10.2\times {{10}^{3}}\text{J}$

C) $3.4\times {{10}^{3}}\text{J}$

D) $6.8\times {{10}^{3}}\text{J}$

• question_answer41) The frequency of a light ray is$6\times {{10}^{14}}Hz$. Its frequency when it propagates in a medium of refractive index $1.5$ will be:

A) $1.67\times {{10}^{14}}Hz$

B) $9\times {{10}^{4}}Hz$

C) $6\times {{10}^{14}}Hz$

D) $4\times {{10}^{14}}Hz$

• question_answer42) Shorter wavelength is of:

A) infrared rays

B) $\gamma -$rays

C) visible light

D) $X-$rays

• question_answer43) A light of wavelength $5890\overset{\text{o}}{\mathop{\text{A}}}\,$ falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light:

A) $2.945\times {{10}^{-7}}m$

B) $3.945\times {{10}^{-7}}m$

C) $4.945\times {{10}^{-7}}m$

D) $1.945\times {{10}^{-7}}m$

• question_answer44) A Carnots engine works between temperature ${{72}^{o}}C$ and${{27}^{o}}C$, the efficiency of the engine is:

A) $100%$

B) $90%$

C) $35%$

D) $70%$

• question_answer45) de-Broglie wavelength of a body of mass $1\,\,kg$ moving with velocity of $2000\,\,m/s$ is:

A) $3.32\times {{10}^{-27}}\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $1.5\times {{10}^{-27}}\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $0.55\times {{10}^{-22}}\overset{\text{o}}{\mathop{\text{A}}}\,$

D) none of these

• question_answer46) A wave is represented by the equation $y=a\sin \,\,(0.01x-2t)$ where $a$ and $x$ are in $cm$, velocity of propagation is:

A) $200\,\,cm/s$

B) $100\,\,cm/s$

C) $50\,\,cm/s$

D) $10\,\,cm/s$

• question_answer47) A mass m attached to a spring oscillate every$2\sec$. If the mass increases by$2\,\,kg$, then time period increases by$1\sec$. The initial mass of the body is:

A) $12.6\,\,kg$

B) $9.6\,\,kg$

C) $3.2\,\,kg$

D) $1.6\,\,kg$

• question_answer48) The isothermal bulk modulus of a gas at atmospheric pressure is:

A) $2.026\times {{10}^{5}}N/{{m}^{2}}$

B) $1.013\times {{10}^{5}}N/{{m}^{2}}$

C) $1mm$of$Hg$

D) $13.6\,\,mm$of$Hg$

• question_answer49) If a body of mass $3\,\,kg$ is dropped from the top of a tower of height $25\,\,m$, then kinetic energy after $3\sec$ will be:

A) $557\,\,\text{J}$

B) $246\,\,\text{J}$

C) $1048\,\,\text{J}$

D) $1297\,\,\text{J}$

• question_answer50) A $500\,\,kg$ can takes a turn of radius $50\,\,m$ with velocity of$36\,\,km/hr$. The centripetal force is:

A) 1200 N

B) 1000 N

C) 750 N

D) 250 N

• question_answer51) The significant figures in $1.0024,\,\,1.240$ and $0.0020$are respectively:

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

B) $3,\,\,3,\,\,1$

C) $5,\,\,3,\,\,4$

D) $5,\,\,3,\,\,2$

• question_answer52) Bauxite is an ore of:

A) boron

B) barium

C) aluminium

D) bismuth

• question_answer53) golf-ball weigh$40.0\,\,g$. If it is moving with a velocity of $20.0\,\,m{{s}^{-1}}$, its de-Broglie wavelength is:

A) $1.66\times {{10}^{-34}}\,\,nm$

B) $8.28\times {{10}^{-32}}\,\,nm$

C) $8.28\times {{10}^{-25}}\,\,nm$

D) $1.66\times {{10}^{-24}}\,\,nm$

• question_answer54) Which of the following elements, is a component of a compound essential for photosynthesis?

A) Iron

B) Calcium

C) Barium

D) Magnesium

• question_answer55) Which of the following, is a mordant dye?

A) Aniline black

B) Congo-red

C) Alizarin

D) Indigo

• question_answer56) Which is the shortest wavelength line in the Lyman series of the hydrogen spectrum? $(R=1.097\times {{10}^{-2}}n{{m}^{-1}})$

A) $94.21nm$

B) $91.16nm$

C) $911.6nm$

D) $933.6nm$

• question_answer57) Which of the following order of ionisation energy is correct?

A) $B<Be<N<C$

B) $Be>B>C>N$

C) $B<Be<C<N$

D) $Be<B<C<N$

• question_answer58) Which of the following turns potassium dichromate paper green?

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

B) $HCl$

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

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

• question_answer59) The correct order of stability of carbocations, is:

A) $1{}^\circ <2{}^\circ <3{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}$

B) $\overset{+}{\mathop{C}}\,{{H}_{3}}<1{}^\circ <2{}^\circ <3{}^\circ$

C) $3{}^\circ <2{}^\circ <1{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}$

D) $2{}^\circ <3{}^\circ <1{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}$

• question_answer60) The $IUPAC$ name of the following compound is: A) bicycio $[2\,\,2.0]$ octane

B) bicycio$[0.2.2]$ hexane

C) bicycio $[2.1.1]$ hexane

D) bicycio $[2.2.0]$ hexane

• question_answer61) The following compound cannot exhibit: $C{{H}_{3}}CH=CH-CH(OH)\cdot COOH$

A) geometrical isomerism

B) optical isomerism

C) metamerism

D) position isomerism

• question_answer62) Volume of $C{{O}_{2}}$ obtained from complete decomposition of $20\,\,g\,\,CaC{{O}_{3}}$ at STP is:

A) $2.24\,\,litre$

B) $4.48\,\,litre$

C) $20\,\,litre$

D) $22.4\,\,litre$

• question_answer63) The shape of an orbital is determined by :

A) $n$

B) $l$

C) $m$

D) $s$

• question_answer64) Oxidation number $Fe$ in ${{K}_{3}}[Fe{{(CN)}_{6}}]$ is:

A) $+1$

B) $+2$

C) $+3$

D) $+4$

• question_answer65) The enthalpies of all elements in their standard states are:

A) zero

B) $>0$

C) $<0$

D) unity

• question_answer66) Which of the following, is not a unit of pressure?

A) Atmosphere

B) Torr

C) Pascal

D) Newton

• question_answer67) The $Ka$ of an acid is$3.2\times {{10}^{-5}}$. The degree of dissociation of the acid at concentration of $0.2\,\,M$is:

A) $6.0\times {{10}^{-2}}$

B) $1.26\times {{10}^{-2}}$

C) $40\times {{10}^{-4}}$

D) $0.04\times {{10}^{-3}}$

• question_answer68) Which of the following ions, has smallest size?

A) $C{{a}^{2+}}$

B) $C{{l}^{-}}$

C) ${{S}^{2-}}$

D) ${{K}^{+}}$

• question_answer69) Which of the following acids is monobasic?

A) ${{H}_{3}}P{{O}_{3}}$

B) ${{H}_{3}}P{{O}_{2}}$

C) ${{H}_{2}}S{{O}_{3}}$

D) ${{H}_{3}}P{{O}_{4}}$

• question_answer70) Which of the following is paramagnetic?

A) $CO$

B) ${{N}_{2}}$

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

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

• question_answer71) Yellow phosphorus is kept in:

A) water

B) kerosene

C) ether

D) alcohol

• question_answer72) The oxide that gives ${{H}_{2}}{{O}_{2}}$ on treatment with dilute acid is:

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

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

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

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

• question_answer73) Which of the following dissolves in hot $conc.\,\,NaOH$ solution?

A) $Fe$

B) $Zn$

C) $Cu$

D) $Ag$

• question_answer74) $C{{H}_{3}}CHC{{l}_{2}}$, on hydrolysis, will give:

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

B) $C{{H}_{3}}COOH$

C) $CHC{{l}_{3}}$

D) $C{{H}_{3}}C{{H}_{2}}OH$

• question_answer75) The compound which reacts faster with Lucas reagent is:

A) butan-1-ol

B) butan-2-ol

C) 2-methyl-propan-l-ol

D) 2-methyl propan-2-ol

• question_answer76) What is obtained, when potassium succinate solution is electrolysed?

A) Ethane

B) Ethene

C) Ethyne

D) All of these

• question_answer77) Which of the following has the maximum acidic strength?

A) $p-$nitrophenol

B) $p-$nitrobenzoic acid

C) $o-$nitrobenzoic acid

D) $m-$nitrobenzoic acid

• question_answer78) Which of the following statement is not correct?

B) Physical adsorption is due to van der Waal forces

C) Physical adsorption decreases at high temperature and low pressure

• question_answer79) An element $Y$ emits one $\alpha -$and two $\beta -$particles to give $X$.$X$ and $Y$ are:

A) isotones

B) isobars

C) isotopes

D) iso electronics

• question_answer80) For a reaction, the half-life is independent of initial concentration. What is the order of that reaction?

A) Zero

B) One

C) Two

D) Three

• question_answer81) Addition of a non-volatile solute causes lowering in vapour pressure of a solvent from$0.8\,\,atm.$ to$0.2\,\,atm$. What is the mole fraction of solvent?

A) $0.25$

B) $0.75$

C) $0.50$

D) Cannot be predicted

• question_answer82) Which of the following has $s{{p}^{3}}-$hybridisation?

A) $BC{{l}_{3}}$

B) $PC{{l}_{3}}$

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

D) None of these

• question_answer83) The $pH$ of ${{10}^{-8}}\,\,M\,\,NaOH$ is:

A) $8.0$

B) $6.0$

C) $6.96$

D) $7.04$

• question_answer84) For the reaction,$2N{{O}_{2}}2NO+{{O}_{2}}$, the value of${{K}_{p}}$is equal to$K$. What will the value of ${{K}_{p}}$ for reaction, $NO+\frac{1}{2}{{O}_{2}}N{{O}_{2}}$

A) $\sqrt{K}$

B) $\frac{1}{K}$

C) $\sqrt{\frac{1}{K}}$

D) $\frac{1}{{{K}^{2}}}$

• question_answer85) Two metals $A$ and $B$ have $E_{red}^{\text{o}}$ value equal to $0.36\,\,V$ and$1.23\,\,V$. What will be the correct cell equation?

A) $A+{{B}^{2}}\xrightarrow{{}}{{A}^{2}}+B$

B) ${{A}^{2+}}+B\xrightarrow{{}}A+{{B}^{2+}}$

C) Both [a] and [b]

D) None of these

A) $AgCl$

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

C) $NaOH$

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

• question_answer87) Which of the following forms molecular solid?

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

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

C) $SiC$

D) Diamond

• question_answer88) $C{{H}_{3}}COOH\xrightarrow{P/B{{r}_{2}}}C{{H}_{2}}BrCOOH$ This reaction is called:

A) Schotton-Bauman reaction

B) Finkelstin reaction

C) Hell-Volhard-Zelinsky reaction

D) none of these

• question_answer89) What is $X$ in the following sequence? $Ar{{N}_{2}}Cl\xrightarrow[KCN]{CuCN}Z\xrightarrow{H.OH}Y$$\xrightarrow[\Delta ]{\text{soda-lime}}X$

A) Benzoic acid

B) Sodium benzoate

C) Benzaldehyde

D) Benzene

• question_answer90) Solvent loving colloids are known as:

A) hydrophobic

B) lyophilic

C) hydrophillic

D) none of these

• question_answer91) If $\Delta H>0$ and$\Delta S>0$, in which of the following cases, can a reaction be spontaneous?

A) $\Delta H>T.\Delta S$

B) $\Delta H=T.\Delta S$

C) $\Delta H<T.\Delta S$

D) The reaction will be non-spontaneous

• question_answer92) Tin stone $(Sn{{O}_{2}})$ is concentrated by:

A) electromagnetic separation

B) gravity separation

C) roasting

D) all of these

• question_answer93) Which type of isomerism is shown by$CO{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}$?

A) Coordination

B) Hydration

C) lonisation

D) All of these

• question_answer94) When chlorobenzene is heated with chloral in presence of the little$conc.{{H}_{2}}S{{O}_{4}}$, the product obtained is:

A) DDT

B) BHC

C) lindane

D) melathion

• question_answer95) Arrhenius equation can be represented as:

A) $k=A.{{e}^{-{{E}_{a}}/RT}}$

B) $\log \frac{{{k}_{2}}}{{{k}_{1}}}=\frac{{{E}_{a}}}{2.303R}\left[ \frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{1}}{{T}_{2}}} \right]$

C) $\log k=\log A-\frac{{{E}_{a}}}{2.303RT}$

D) all of these

A) antibiotic

B) antiseptic

C) analeptic

D) carcinogenic agent

• question_answer97) DNA is a polymer of:

A) nucleosides

B) nucleotides

C) purine and pyrimidine bases

D) all of these

• question_answer98) Dacron is polymer of:

A) glycol and formaldehyde

B) glycol and phenol

C) glycol and phthalic acid

D) glycol and terephthalic acid

• question_answer99) Which cell convert electrical energy into chemical energy?

A) Voltaic cell

B) Electrolytic cell

C) Galvanic cell

D) Electrochemical cell

• question_answer100) Molarity of pure water is:

A) $38.6\,\,M$

B) $12.4\,\,M$

C) $55.5\,\,M$

D) cannot be determined

• question_answer101) Mannitol is reserve food in:

A) Rhodophyceae

B) Chlorophyceae

C) Phaeophyceae

D) Xanthophyceae

• question_answer102) Plants growing on sand and gravel are called:

A) eremophytes

B) psammophytes

C) psilophytes

D) oxylophytes

• question_answer103) The inflorescence in Ocimum is:

A) cyathium

B) verticillaster

C) hypanthodium

D) raceme

• question_answer104) If the pollen tube enters the ovule through funiculus, the phenomenon is known as:

A) porogamy

B) chalazogamy

C) mesogamy

D) heterogamy

• question_answer105) The first phylogenetic system of plant classification was proposed by:

A) Engler

B) Engler and Pranti

C) Eichler

D) Wetlstein

• question_answer106) Cellulose fibre is obtained from Gossypium:

A) stem surface

B) seed hair

C) leaf surface

D) root hair

• question_answer107) In split genes the coding sequences are called:

A) introns

B) exons

C) cistrons

D) operons

• question_answer108) The real forces responsible for the movement of water from one cell to another cell is mainly:

A) osmotic pressure (OP)

B) turgor pressure (TP)

C) diffusion pressure deficit (DPD)

D) imbibition

• question_answer109) Which of the following is the most resistant material in pollen grain?

A) sporopollenin

B) intine

C) exine

D) certicle

• question_answer110) The amphibians of plant kingdom are:

A) multicellular non motile algae

B) bryophytes with simple internal organisation

C) unicellular motile algae

D) pteridophytes with complex internal organisation

• question_answer111) The root system growing near the base of the radicle in monocots is:

A) haptera

B) anchoring roots

C) clinging roots

D) seminal roots

• question_answer112) The point at which polytene chromosome appear, to be attached together is called

A) centriole

B) centromere

C) chromomere

D) chromo centre

• question_answer113) Black rust of wheat is a fungal disease caused by:

A) Melampsora lini

B) Claviceps purpurea

C) Albugo Candida

D) Puccinia graminis tritici

A) It is a biomagnifying biodegradable pollutant

B) It is non biomagnifying biodegradable pollutant

C) It is biomanifying non-biodegradable pollutant

D) It is not a pollutant

• question_answer115) In Chlorophyceae the mode of sexual reproduction is:

A) anisogamy

B) oogamy

C) isogamy

D) all of the above

• question_answer116) Restriction enzymes are used in genetic engineering, because they:

B) can join different DNA flagments

C) can cut DNA at specific base sequence

D) are nucleases that cut DNA at variable sites

• question_answer117) In which genera endospores are formed for reproduction?

A) Mono coccus and Clostridium

B) Bacillus and Clostridium

C) Mucor and Bacillus

D) None of the above

A) growth regulators

B) fertilizers

C) pesticides

D) all of the above

• question_answer119) In-1 condition represent :

A) tetrasomy

B) trisomy

C) monosomy

D) multisomy

• question_answer120) $CO$ is harmful to human being because:

A) it decreases $C{{O}_{2}}$ concentration

B) it competes ${{O}_{2}}$ to combine with haemoglobin

C) it is carcinogenic

D) it depletes ${{O}_{3}}$ layer

• question_answer121) Which of the following is a day neutral plant?

A) Helianthus annuus

B) Euphorbia pulcherrima

C) Avena sativa

D) Beta vulgaris

• question_answer122) Which of the following is an ant gibberellin?

A) Auxin

B) ABA

C) Ethylene

D) Cytokinin

• question_answer123) Heterospory is the production of:

A) sexual and asexual spores

B) large and small spores

C) haploid and diploid spores

D) diploid and tetraploid spores

• question_answer124) Algal zone is present in:

A) normal root of Cycas

B) coralloid root of Cycas

C) normal root of Pinus

D) stem of Cycas

A) fusion of nucleus of male gamete with the egg nucleus

B) fusion of two polar nuclei

C) fusion of sperm nucleus with secondary nucleus

D) fusion of one sperm nucleus with nucleus and fusion of other sperm nucleus with secondary nucleus

• question_answer126) $\underset{+}{\overset{_{\uparrow }}{\mathop{O}}}\,{{K}_{(5)}}{{C}_{(5)}}{{A}_{5}}{{G}_{(2)}}$ is die floral formula of:

A) Solanaceae

B) Asteraceae

C) Malvaceae

D) Cruciferae

A) $0.275\mu$

B) $0.5\mu$

C) $0.75\mu$

D) $1.5\mu$

• question_answer128) The magnitude of root pressure ranges from:

A) $2-5\,\,atm$

B) $1-5\,\,atm$

C) $0.1-0.2\,\,atm$

D) $4-6\,\,atm$

• question_answer129) Which of the following element plays an important role in nitrogen fixation?

A) Zinc

B) Molybdenum

C) Manganese

D) Copper

• question_answer130) The terminal electron acceptor during electron transport system is:

A) oxygen

B) cyto${{a}_{3}}$

C) cyto$c$

D) plasto quinone

• question_answer131) The Orobanche plant is:

A) partial stem parasite

B) total root parasite

C) symbiont

D) total stem parasite

A) cytosol

B) mitochondria

C) golgi complex

D) ribosomes

• question_answer133) Closure of lid of pitcher in pitcher plant is:

A) tropic movement

B) paratonic movement

C) turgor movement

D) autonomous movement

• question_answer134) Reindeer moss is common name for :

A) Funaria hygrometrica

B) Marchantia sp

D) Polytrichum sp

• question_answer135) Microorganism which act as a vehicle for foreign gene transfer in higher plants:

A) Agrobacterium

B) E. coli

C) T.M.V.

D) Bacillus anthracis

• question_answer136) DNA polymerase enzyme is required for synthesis of:

A) DNA from RNA

B) RNA from DNA

C) DNA from DNA

D) RNA from RNA

• question_answer137) In terrestrial ecosystem such as forest, maximum energy is found in which trophic level?

A) ${{T}_{1}}$

B) ${{T}_{2}}$

C) ${{T}_{3}}$

D) ${{T}_{4}}$

• question_answer138) The part of earth in which life exist is known as?

A) Lithosphere

B) Biosphere

C) Atmosphere

D) Hydrosphere

• question_answer139) Contour farming is usually employed in:

A) hilly areas

B) sandy areas

C) sea beaches

D) all of these

A) cork cambium only

B) cork cambium and cork

C) cork and secondary cortex

D) cork cambium, cork and secondary cortex

• question_answer141) In some plants sleep movement of leaves is due to:

A) excess of photosynthesis

B) osmotic changes at base of leaf

C) excess of respiration

D) excess of transpiration

• question_answer142) Which stain shows negative bacteria during bacterial staining?

A) White

B) Red

C) Black

D) Purple

• question_answer143) Yeast belongs to which class?

A) Basidiomycetes

B) Ascomycetes

C) Eumycetes

D) None of these

• question_answer144) In Spirogyra sometimes a ladder like structure is present due to:

A) vegetative reproduction

B) asexual reproduction

C) lateral conjugation

D) scalariform conjugation

• question_answer145) In Hatch and Slack type plants$C{{O}_{2}}$acceptor is:

A) malate

B) pyruvate

C) phosphoenol pyruvate

D) aspartate

A) stomata open in day and close at night

B) stomata remain open in day and night both

C) stomata remain closed in day and night both

D) stomata open at night and close in day

• question_answer147) Which type of DNA is found in bacteria?

A) Helical DNA

B) Membrane bound DNA

C) Straight DNA

D) Circular free DNA

• question_answer148) Which is social foresting species?

A) Leucaena leucocephala

B) Tectona grandis

C) Mangifera indica

D) Rosa indica

• question_answer149) If there are 4 cells in a anther what will be the number of pollen grains:

A) 4

B) 9

C) 12

D) 16

• question_answer150) In Ficus inflorescence is:

A) hypanthodium

B) cymose

C) raceme

D) none of these

A) collecting tube

B) proximal convoluted tubules

C) distal convoluted tubules

D) all of the above

• question_answer152) At high altitude, RBCs of human blood will:

A) increase in number

B) decrease in number

C) decrease in size

D) increase in size

• question_answer153) A person who is trisomic for twenty first pair of chromosome suffers from?

A) Klinefelters syndrome

B) Downs syndrome

C) Turners syndrome

D) None of these

• question_answer154) Enzymes are absent in:

A) algae

B) plants

C) virus

D) bacteria

• question_answer155) The basic unit of chitin is:

A) N-acetyl glucosamine

B) glucose

C) galactose

D) fructose

A) anucleate

B) binucleate

C) uninucleate

D) syncytial

• question_answer157) Ventricles are related to:

A) heart only

B) brain only

C) both $a$ and $b$

D) none of these

• question_answer158) Incomplete division of egg during cleavage is known as:

A) meroblastic

B) holoblastic

C) meridional

D) spiral

• question_answer159) In which blood group antigens are absent?

A) O

B) B

C) AB

D) A

• question_answer160) Which one of the following exhibit concentric tube within tube plan?

A) Cnidaria

B) Annelida

C) Platyhelminthes

D) Nematoda

• question_answer161) Correct sequence of stages in the evolution of the modern man, (Homo sapiens), is:

A) Neanderthal man, Austmlopithecus, Cro-magnon man, Homo erectus, Modern man

B) Australopithecus, Homo erectus, Neanderthal man, Cro-magnon man, Modem man

C) Homo erectus, Australopithecus Neanderthal man, Cro-magnon man, Modem man

D) Australopithecus, Neanderthal man, Cro-magnon man, Homo erectus Modem man

• question_answer162) WBC accumulate at site of wound by :

A) hypertension

B) arteriosclerosis

C) haemopoiesis

D) diapedesis

• question_answer163) Each active sites in enzyme is bounded by how many amino acids?

A) Twenty

B) Infinite

C) Three

D) None of these

A) non-essential fatty acid

B) essential fatty acid

C) poly unsaturated fatty acid

D) both $b$ and $c$

• question_answer165) The immediate cause of induction of ovulation in female is the large plasma surge of

A) progesterone

C) LH

D) FSH

• question_answer166) Which type of enzyme is present in lysosome?

A) ATPase

B) Hydrolytic

C) Lyase

D) None of these

• question_answer167) The true stomach in ruminants where most of digestion takes place is:

A) rumen

B) omasum

C) reticulum

D) abomasum

• question_answer168) The effect of intraspecific competition on niches is to make them:

A) smaller

B) larger

C) change location

D) more triangular

• question_answer169) The larvicidial fish used in biocontrol of mosquitoes:

A) Gambusia

B) Hilsa

C) Scalophagns

D) Gold fish

A) hinge joint

B) pivot joint

C) socket joint

D) none of these

• question_answer171) Which of the following amino acids is present in omithine cycle?

A) Valine and cysteine

B) Arginine and citrulline

C) Glycine and methionine

D) None of these

• question_answer172) During the process of blood coagulation vitamin K helps in:

A) the formation of prothrombin

B) the formation of thromboplastin

C) the conversion of fibrinogen into fibrin

D) the conversion of prothrombin into thrombin

• question_answer173) Third cleavage of frogs development is:

A) equatorial

B) vertical

C) latitudinal

D) none of these

• question_answer174) Which of the following is both exocrine and endocrine gland?

A) Liver

B) Pancreas

C) Thyroid

• question_answer175) Which of the following is the part of mid brain of rabbit?

A) Diencephalon

B) Cerebrum

D) None of these

• question_answer176) Anus is absent in:

A) Unio

B) Pheretima

C) Periplaneta

D) Fasciola

• question_answer177) Spiral valve is present in:

A) right auricle

B) sinus venosus

C) right ventricle

D) truncus arteriosus

• question_answer178) Which of the following is colourless Hydra?

A) Hydra fusca

B) Hydra viridis

C) Hydra oligactis

D) Hydra vidgaris

A) amphipathic

B) amphibolie

C) hydrophobic

D) none of these

• question_answer180) Which of the following assists in the locomotion of the organism stated?

A) Epithelium of Pheretima

B) Trichocysts of Paramecium

C) Pedicellaria of Star fish

D) Posterior sucker of Hirudinaria

• question_answer181) Dinosaurs become extinct in:

A) Permian age

B) Triassic period

C) Jurassic period

D) Cretaceous period

• question_answer182) Blood calcium level can be increased by the administration of:

A) glucagon

B) parathormone

C) thyroxine

D) calcitonin

• question_answer183) The wish bone or merry thought bone of bird is:

A) sternum

B) scapula

C) coracoid

D) clavicle

• question_answer184) Regarding blood circulation, it may be said that in Pheretima the dorsal vessel is a:

A) collecting vessel in first two segments and distributing vessel in the other

B) distributing vessel in first five segments and collecting vessel in other

C) collecting vessel in first thirteen segments and distributing vessel in intestinal region

D) distributing vessel in first thirteen segments and collecting vessel in intestinal region

• question_answer185) The first heart sound is produced when:

A) diastole begins

B) semilunar valve close quickly

C) inter ventricular pressure decreases

D) bicuspid and tricuspid valve close quickly

• question_answer186) The epithelial lining in the alveoli of the frogs facing lung cavity is:

A) squamous ciliated

B) columnar ciliated

C) columnar non ciliated

D) squamous non ciliated

• question_answer187) The infective stage of Plasmodhim is:

A) sporozoite

B) trophozoite

C) merozoite

D) schizont

• question_answer188) A man of blood group A, marries a woman of blood group B, both of them are heterozygous for blood group, chances of their first child having blood group AB will be:

A) 25%

B) 50%

C) 75%

D) 100%

• question_answer189) The scientist, who described the birds as glorified reptiles, was:

A) Romer

B) Huxley

C) Mendel

D) Robert Hook

• question_answer190) Which one of the following is vestigial organ of human?

A) Hair

B) Intestine

C) Wisdom teeth

D) Muscle of glottis

• question_answer191) Organ of Corti is found in:

A) heart

B) kidneys

C) inner ear

D) nasal chamber

• question_answer192) Which of the following is a transparent tissue?

A) Tendon

B) Hyaline cartilage

C) Fibrous cartilage

D) All of these

• question_answer193) In frog, the vertebra with an anterior convex surface (i.e., double convexties) is:

A) atlas

B) urostyle

C) 8th vertebra

D) 9th vertebra

A) mucus

B) trypsin

C) lymphocytes

D) enterokinase

• question_answer195) The vital capacity of lungs is equal to:

A) $4000\,\,ml$

B) $5000\,\,ml$

C) $6000\,\,ml$

D) $7000\,\,ml$

• question_answer196) What is left when bath sponges dries up?

A) Spicules

B) Spongin fibres

C) Tentacles

D) Holdfast

• question_answer197) RBCs are nucleated in:

A) man

B) rat

C) frog

D) rabbit

• question_answer198) Which of the following pairs is correctly matched?

A) Central dogma - Codon

B) Okazaki fragments - Splicing

C) RNA polymerase - RNA primer

D) Restriction enzymes - Genetic engineering

A) base + sugar

B) base + phosphate

C) sugar + phosphate

D) base + sugar + phosphate

• question_answer200) Stanley Miller performed an experiment to prove the origin of life. They took gases $N{{H}_{3}}$ and ${{H}_{2}}$ alongwith:

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

B) ${{H}_{2}}O$and$C{{H}_{4}}$

C) $C{{H}_{4}}$and${{N}_{2}}$

D) $C{{O}_{2}}$and$N{{H}_{3}}$

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