Solved papers for BVP Medical BVP Medical Solved Paper-2002

done BVP Medical Solved Paper-2002

• question_answer1) The radius of a soap bubble is R and surface tension is T, keeping the temperature constant, the extra energy needed to double the radius of the soap bubble by blowing, will be:

A) $32\pi {{R}^{2}}T$

B) $24\pi {{R}^{2}}T$

C) $16\pi {{R}^{2}}T$

D) $8\pi {{R}^{2}}T$

• question_answer2) An ideal gas at $27{}^\circ C$ is compressed adiabatically to $\frac{8}{27}$of its original volume. If $\gamma$= 5/3, then the rise in temperature is :

A) 375 K

B) 450 K

C) 225 K

D) 405 K

• question_answer3) A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically downward over the edge of table, if g is acceleration due to gravity, then the work done required to pull the hanging part on to the table is :

A) MgL

B) MgL/3

C) MgL

D) MgL/18

• question_answer4) Two planets have the same average density but their radii are ${{R}_{1}}$and ${{R}_{2}}.$ If acceleration due to gravity on these planets be ${{g}_{1}}$ and ${{g}_{2}},$ then :

A) $\frac{g1}{g2}=\frac{R_{1}^{3}}{R_{2}^{3}}$

B) $\frac{g1}{g2}=\frac{R_{1}^{2}}{R_{2}^{2}}$

C) $\frac{g1}{g2}=\frac{{{R}_{2}}}{{{R}_{1}}}$

D) $\frac{g1}{g2}=\frac{{{R}_{1}}}{{{R}_{2}}}$

• question_answer5) Two metal pieces having a potential difference of 800V are 0.02 m apart horizontally. A particle of mass$1.96\times {{10}^{-15}}\,kg$is suspended equilibrium between the plates. If e is the elementary charge, then charge on the particle is :

A) 8e

B) 6e

C) 3e

D) e

• question_answer6) $\frac{1}{2}$mole of He is contained in a container at S.T.P. The heat energy needed to double the pressure of the gas, keeping the volume constant, (heat capacity of the gas is 3J/gmK) is :

A) 409.5 J

B) 819 J

C) 1638 J

D) 3276 J

• question_answer7) A sphere of 3 cm radius acts like a black body. If it is an equilibrium with its surroundings and absorb 30kW of energy radiated to it from the surroundings. Then the temperature of the sphere will be :

A) 816

B) 916

C) 1616

D) 2615

• question_answer8) The maximum velocity of an electron emitted by light of wavelength X incident on the surface of a metal of work function $\theta$, is :

A) ${{\left[ \frac{2(h\lambda -\theta )}{m} \right]}^{{1}/{2}\;}}$

B) ${{\left[ \frac{2(hc-\lambda \phi )}{m\lambda } \right]}^{{1}/{2}\;}}$

C) $\left[ \frac{2(hc-\lambda \phi )}{m} \right]$

D) ${{\left[ \frac{2(hc-\lambda \phi )}{m\lambda } \right]}^{{1}/{2}\;}}$

• question_answer9) The average distance between the earth and moon is $38.6\times {{10}^{7}}$km. The minimum separation between the two points on the surface of the moon that can be resolved by a telescope whose objective lens has a diameter of 5 m with $\lambda$ = 6000 $\overset{0}{\mathop{A}}\,$ is :

A) 56.51 m

B) 11.30m

C) 28.25m

D) 5.65 m

• question_answer10) A transverse progressive wave on a stretched string has a velocity of 10 m/s and a frequency of 100 Hz. The phase difference between two particles of the string which are 2.5 cm apart will be :

A) $\frac{\pi }{2}$

B) $\frac{3\pi }{8}$

C) $\pi /4$

D) $\pi /8$

• question_answer11) Water waves are :

A) transverse

B) longitudinal

C) both longitudinal and transverse

D) neither longitudinal nor transverse

• question_answer12) All bulbs in the figure are identical which bulb lights more brightly? A) 1 and 2

B) 3 and 4

C) 1

D) 2

• question_answer13) A capacitor is a perfect insulator for :

A) A.C

B) D.C

C) both A.C and D.C

D) none of these

• question_answer14) Just as electricity is supplied at 220 volts for domestic use in India, it is supplied at110 volts in U.S.A. If the resistance of 60 W bulb for use in India is R , that of 60 W bulb for use in U.S.A., will be :

A) 2R

B) R

C) RJ2

D) R/4

• question_answer15) A proton moving with a constant velocity passes through a region of space without any change in its velocity. If E and B represent the electric and magnetic fields respectively, then this region of space may have :

A) E = 0, B = 0

B) $E\ne 0,B1+0$

C) $E=0,B\ne 0$

D) and both

• question_answer16) The decimal number 53 is equal to the binary number:

A) 11 01 01

B) 10 11 01

C) 10 10 10

D) 11 11 11

• question_answer17) $A6\mu F$capacitor is charged from 10 volts to 20 volts. Increase in energy will be :

A) $9\times {{10}^{-6}}J$

B) $4.5\times {{10}^{-4}}J$

C) $9\times {{10}^{-4}}J$

D) $19\times {{10}^{-4}}J$

• question_answer18) An electric bulb of 100 W is connected to a supply of electricity of 200V. Resistance of the filament is :

A) 242 $\Omega$

B) 22000 $\Omega$

C) 100$\Omega$

D) 484 $\Omega$

• question_answer19) A body of mass 40 g is moving with constant velocity of 2 cm/sec on a horizontal frictionless table. The force on the table is :

A) 160 dyne

B) 39200 dyne

C) 80 dyne

D) zero

• question_answer20) A cup of tea cools from $80{}^\circ C$ to $60{}^\circ C$ in one minute. The ambient temperature is $30{}^\circ C$. In cooling from $60{}^\circ C$ to $50{}^\circ C$ it will take :

A) 50 sec

B) 90 sec

C) 60 sec

D) 48 sec

• question_answer21) The magnifying power of simple microscope can be increased, if we use an eye piece of:

A) smaller diameter

B) higher diameter

C) smaller focal length

D) higher focal length

• question_answer22) The number of photoelectrons emitted from the surface of a metal increases on increasing of the incident photons:

A) velocity

B) wavelength

C) frequency

D) number

• question_answer23) When two ends of a rod wrapped with cotton are maintained at different temperature and after some time every point of the rod attains a constant temperature, then

A) each point of rod is giving heat to its neighbour at the same rate which it is receiving heat

B) rod is bad conductor of heat

C) heat is being radiated from each point of rod

D) conduction of heat at different points of the rod stops because the temperature is not increasing

• question_answer24) In the circuit shown in the adjoining figure the current between B and D is zero, the unknown resistance is of: A) 3$\Omega$

B) 2$\Omega$

C) 4$\Omega$

D) emf of a cell is required to final the value of X.

• question_answer25) A conductor has $14.4\times {{10}^{-19}}C$ positive charge. The conductor has :

A) excess of 27 electrons

B) excess of 9 electrons

C) short of 27 electrons

D) short of 9 electrons

• question_answer26) In the position of minimum deviation when a ray of yellow light passes through the prism, then its angle of incidence is:

A) greater than the emergent angle

B) less than the emergent angle

C) equa1 to the emergent angle

D) sum of angle of incidence and emergent angle is 90?

• question_answer27) The vertical extension in a light spring by a weight of 1 kg suspended from the wire is 9.8 cm. The period of oscillation is :

A) 200 $\pi$sec

B) 2$\pi$/10 sec

C) 2$\pi$ sec

D) 4$\pi$ sec

• question_answer28) A meter of resistance 5 ohm fitted with a shunt resistance of 1 ohm, is in a circuit in which the current is 0.09 A. The combined resistance of the meter and the shunt is :

A) $\frac{5}{6}\Omega$

B) $\frac{5}{6}\Omega$

C) $2\Omega$

D) $6\Omega$

• question_answer29) A source and an observer moves away from each other, with a velocity of 15 m/s with respect to ground. If observer finds the frequency of sound coming from source as 1950 Hz. Then actual frequency of source will be (velocity of sound = 340 m/s):

A) 1785 Hz

B) 1968 Hz

C) 2130 Hz

D) 2148 Hz

• question_answer30) If the coefficient of friction of a plane inclined at 45?, is 0.5, then acceleration of a body sliding freely on it is:

A) $\frac{9.8}{2\sqrt{2}}m/{{s}^{2}}$

B) $\frac{9.8}{\sqrt{2}}m/{{s}^{2}}$

C) $9.8m/{{s}^{2}}$

D) $4.9m/{{s}^{2}}$

• question_answer31) A body of mass 300 kg is moved up by an elevator from a mine of depth 20 m to a height of 20 m in 1 min. The power of the elevator is :

A) 19.6 kW

B) 196 kW

C) 0.196 kW

D) 1.96 kW

• question_answer32) In the circuit given below, A and V are ideal ammeter and voltmeter respectively. Reading of the voltmeter will be: A) 1 V

B) 0.5 V

C) 2 V

D) zero

• question_answer33) A parallel plate capacitor with air as medium between the plates has a capacitance of 10$\mu F$. The area of capacitor is divided in two equal halves and filled with two media having dielectric constants ${{k}_{1}}=2$ and ${{k}_{2}}=4$The capacitance of the system will now be :

A) 40$\mu F$

B) 30$\mu F$

C) 10$\mu F$

D) $\frac{20}{3}\mu F$

• question_answer34) What is the current in the circuit shown below? 0.10 A

A) 1A

B) zero A

C) ${{10}^{-2}}A$

D)

• question_answer35) The de-Broglie wavelength of a 1 kg object moving with speed of 1 m/s is :

A) $6\times {{10}^{-10}}m$

B) $6.6\times {{10}^{-10}}m$

C) $6\times {{10}^{-34}}m$

D) $6.6\times {{10}^{-34}}m$

• question_answer36) A ray of monochromatic light is incident on one refracting face of a prism of angle $75{}^\circ$. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of prism is $\sqrt{2,}$, the angle of incidence on the first face of the prism is :

A) $0{}^\circ$

B) $60{}^\circ$

C) $45{}^\circ$

D) $30{}^\circ$

• question_answer37) As a result of radioactive decay, $_{92}{{\mathsf{U}}^{238}}$ is converted into$_{91}P{{a}^{234}}$. The particles emitted during this decay are:

A) $1\alpha ,1\beta$

B) $2\beta {{,}_{1}}{{H}^{1}}$

C) $_{1}{{H}^{1}}$

D) $_{1}{{H}^{1}},2\alpha$

• question_answer38) The half-life of radioactive radon is 3.8days. The time at the end of which $\frac{1}{20}$th of the radon sample will remain un decayed is: $\left( {{\log }_{10}}e=0.4343 \right)$

A) 16.5 days

B) 3.8 days

C) 33 days

D) 76 days

• question_answer39) The charge on two particles A and B at rest is q on each particle. The direction of motion of a charged particles C placed at point on the straight line joining the two charged, depends on :

A) the charge on C and also on its position

B) only on the position of charge C

C) only on the magnitude of charge on C

D) only on the magnitudes of the charges of A and B

• question_answer40) The potential gradient at which the dielectric of a condenser just gets punctured is called:

A) dielectric number

B) dielectric resistance

C) dielectric strength

D) dielectric constant

• question_answer41) The power of a thin convex lens ($_{a}{{n}_{g}}$ = 1.5) is + 5D. When it is placed in a liquid of refractive index$_{a}nl,$, then it behave as a concave lens of focal length 100 cm. The refractive index of the liquid $_{a}nl,$ will be:

A) 5/4

B) $\sqrt{3}$

C) 4/3

D) 5/3

• question_answer42) A bus accelerates uniformally from rest and acquires a speed of 72 km/hr in 10 sec. The acceleration of the bus is :

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

B) $1\text{ }m/{{s}^{2}}$

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

D) $20\text{ }m/{{s}^{2}}$

• question_answer43) In a nuclear reactor 0.01 mg of a nuclear material is totally converted into energy in one sec. Then the power of reactor will be :

A) 900 MW

B) 450 W

C) 200 MW

D) 500 W

• question_answer44) A spherical conductor of radius r placed in air, is given a charge Q and potentialat the surface of a conductor is V, then the potential at a point inside the conductor and at a distance r/2 from its centre will be:

A) 8 V

B) 4 V

C) 2 V

D) 1 V

• question_answer45) The magnetic moment of a short magnet is $8\text{ }A{{m}^{2}}.$ The magnetic induction at appoint 20 cm away from its mid-point on (i) a axial point (ii) equatorial point respectively, will be :

A) $2\times {{10}^{-4}}T\,and{{10}^{-4}}T$

B) $3\times {{10}^{-4}}T\,and2\times {{10}^{-4}}T$

C) $4\times {{10}^{-4}}T\,and3\times {{10}^{-4}}T$

D) none of these

• question_answer46) Two strings of the same material and of same length have their tension in the ratio 4 :1 and their radii in the ratio 2:1. Then the ratio of their fundamental frequencies will be:

A) 1

B) 0.5

C) 4

D) 4

• question_answer47) A voltmeter has a range is 0 - V with, a series resistance R and with a series resistance 2R, the range is 0-V. The relation between V and V will be :

A) $V<2V$

B) $V>>V$

C) V > 2V

D) V = 2V

• question_answer48) A galvanometer has a resistance G and current ${{i}_{a}}$ flowing in galvanometer, produces full scale deflection. If ${{S}_{i}}$ is the value of shunt which converts it into an ammeter of range 0 - i and is the value of shunt 0 - 2i. Then the ratio ${{S}_{1}}/{{S}_{2}}$will be:

A) 1

B) 2

C) $\frac{1}{2}\left( \frac{i-{{i}_{a}}}{2i-{{i}_{a}}} \right)$

D) $\left( \frac{2i-{{i}_{a}}}{i-{{i}_{a}}} \right)$

• question_answer49) A short magnetic needle is pivoted in a uniform magnetic field of strength 1 tesla, when another magnetic field of strength $\sqrt{3}$T is applied to the needle in a perpendicular directions. The needle deflects at an angle $\theta$, when the value of $\theta$ is :

A) $60{}^\circ$

B) $90{}^\circ$

C) $45{}^\circ$

D) $30{}^\circ$

• question_answer50) A cell is connected between the points A and C of a circular conductor PQRS of centre O with angle $\angle$POR= 60?. If ${{B}_{1}}$and ${{B}_{2}}$are the magnitudes of magnetic fields at O due to the currents in PQR and PSR respectively, then the ratio of $\frac{{{B}_{1}}}{{{B}_{2}}}$will be A) 5:1

B) 2:1

C) 10 : 1

D) 1 : 2

• question_answer51) The total number of unpaired electrons in $C{{r}^{+3}}$ ion are:

A) 3

B) 2

C) 4

D) 0

• question_answer52) Which one of the following electronic configuration have highest second ionisation energy?

A) $1{{s}^{2,}}2{{s}^{2}}2{{p}^{4}}$

B) $1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}$

C) $1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{1}}$

D) $1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{1}}$

• question_answer53) Mass of an a-particle is 4.0028 amu, its binding energy per nucleon will be (given, ${{m}_{p}}=1.0073$ and ${{m}_{n}}=1.0087$):

A) $2.86MeV$

B) $6.79MeV$

C) $4.46MeV$

D) $8.24MeV$

• question_answer54) Bond order of ${{N}_{2}}$ is:

A) 2

B) 3

C) 4

D) 5

• question_answer55) Which of the following isoelcctronic species $C{{a}^{+2}},\,C{{l}^{-1}},{{K}^{+}}$ and ${{S}^{-2}}$ has maximum ionic size?

A) ${{K}^{+}}$

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

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

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

• question_answer56) Oxidation number of S in $SO_{4}^{-2}$ is:

A) $+4$

B) $+6$

C) $+5$

D) $+8$

• question_answer57) Which of the following is diamagnetic?

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

B) $O_{2}^{-}$

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

D) $NO$

• question_answer58) Which of the following is not a Lewis acid?

A) $B{{F}_{3}}$

B) $Si{{F}_{4}}$

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

D) $FeC{{l}_{3}}$

• question_answer59) The hybridisation and structure of $Si{{(C{{H}_{3}})}_{4}}$ is:

A) sp, linear

B) $s{{p}^{2}}$ , trigonal planar

C) $s{{p}^{3}}$ , tetrahedral

D) $s{{p}^{3}}d$, octahedral

• question_answer60) The number of a-particles and $\beta$ particles emitted in the reaction $_{92}{{U}^{238}}{{\xrightarrow{{}}}_{82}}P{{b}^{206}}$ are:

A) $6\alpha ,4\beta$

B) $8\alpha ,6\beta$

C) $4\alpha ,5\beta$

D) $6\alpha ,8\beta$

• question_answer61) Oxidation number of Fe in ${{K}_{3}}[Fe{{(CN)}_{6}}]$ is:

A) $+1$

B) $+2$

C) $+3$

D) $+$

• question_answer62) Which of the following has highest magnetic moment?

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

B) ${{V}^{+3}}$

C) $C{{o}^{+3}}$

D) $F{{e}^{+3}}$

• question_answer63) Which one of die following ores is a chloride?

A) Zincite

B) Horn silver

C) Bauxite

D) Feldspar

• question_answer64) The product formed in the reaction $BC{{l}_{3}}+{{H}_{2}}O\xrightarrow{{}}$ products, is :

A) ${{B}_{2}}{{H}_{6}}+HCl$

B) ${{B}_{2}}{{O}_{3}}+HOCl$

C) ${{H}_{3}}B{{O}_{3}}+HCl$

D) $B{{H}_{3}}+HCl$

• question_answer65) Which one of the following is the strongest acid?

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

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

C) $HF$

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

• question_answer66) Which of the following indicator is used in the titration of oxalic acid against sodium hydroxide solution?

A) Fluorescein

B) Methyl red

C) Methyl orange

D) Phenolphthalien

• question_answer67) Glaubers salt is:

A) $N{{a}_{2}}S{{O}_{4}}$

B) $N{{a}_{2}}S{{O}_{3}}.2{{H}_{2}}O$

C) $N{{a}_{2}}{{S}_{2}}{{O}_{3}}.5{{H}_{2}}O$

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

• question_answer68) When sodium is heated in a current of $C{{O}_{2}}$ at${{260}^{o}}C$, the product obtained is:

A) sodium for mate

B) sodium oxalate

C) sodium corbonate

D) sodium acetate

• question_answer69) The momentum for the radiation of wavelength 0.33 nm is :

A) $3.56\times {{10}^{-16}}$

B) $4.32\times {{10}^{22}}$

C) $2.01\times {{10}^{-24}}$

D) $3.12\times {{10}^{-28}}$

• question_answer70) When $KI$ is added in the solution of $HgC{{l}_{2}}$, the colour of the resultant solution is:

A) blue

B) red

C) orange

D) scarlet

• question_answer71) Silicon and copper are cooled to a temperature of 300K, then resistivity:

A) for Cu increases and for Si decreases

B) for Si increases and for Cu decreases

C) decreases for both Si and Cu

D) increases for both Si and Cu

• question_answer72) Total number of a and k bonds in the structure of ${{P}_{3}}{{O}_{10}}$ are:

A) $12\sigma ,6\pi$

B) $6\sigma ,10\pi$

C) $18\sigma ,6\pi$

D) $16\sigma ,4\pi$

• question_answer73) Which one of the following exhibits geometrical isomerism?

A) B) C) D) • question_answer74) Which of the following ions is most stable?

A) $\overset{\oplus }{\mathop{C{{H}_{3}}CHC{{H}_{2}}C{{H}_{3}}}}\,$

B) $\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{{{H}_{3}}C-C-\overset{\oplus }{\mathop{C{{H}_{2}}}}\,}}\,}}\,}}\,}}\,$

C) $\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{{{H}_{3}}C-C\oplus }}\,}}\,}}\,}}\,$

D) ${{H}_{3}}C-C{{H}_{3}}-\overset{\oplus }{\mathop{C{{H}_{2}}}}\,$

• question_answer75) 1-phenyl ethanol can be prepared by the reaction of ${{C}_{6}}{{H}_{5}}CHO$ with :

A) $C{{H}_{3}}I+Mg$

B) ${{C}_{2}}{{H}_{5}}Br+{{H}_{2}}O$

C) $C{{H}_{3}}C{{H}_{2}}Br+Alc.KOH$

D) $C{{H}_{3}}Br=A{{l}_{4}}{{C}_{3}}$

• question_answer76) Total number of isomers possible for the compound ${{C}_{8}}{{H}_{10}}$ are:

A) 2

B) 3

C) 4

D) 6

• question_answer77) Acetylene on treatment with ${{H}_{2}}S{{O}_{4}}$ and $HgS{{O}_{4}}$ produces:

A) aldehyde

B) ketone

C) alcohol

D) acid

• question_answer78) The strongest of the four acids listed below is:

A) $C{{l}_{3}}C-COOH$

B) ${{F}_{3}}C-COOH$

C) $B{{r}_{3}}C-COOH$

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

• question_answer79) Glucose and cane sugar can be distinguished by:

A) Molisch test

B) Fehlings solution

C) Baeyers reagent

D) Ammonical $AgN{{O}_{3}}$

• question_answer80) Propone and propyne can be distinguished by:

A) $B{{r}_{2}}$ in $CC{{l}_{4}}$

B) dil $KMn{{O}_{4}}$

C) Ammonical $AgN{{O}_{3}}$

D) cone. ${{H}_{2}}S{{O}_{4}}$

• question_answer81) Identify C.

A) p-bromo aniline

B) p-bromo fluoro benzene

C) 2, 4, 6 tribromo fluoro benzene

D) 1, 3, 5 tribromo benzene

• question_answer82) Acetaldehyde differ from benzaldehyde and formaldehyde in the reaction with:

A) $HCN$

B) Benedicts solution

C) $NaOH$

D) Semicarbazide

• question_answer83) The percentage of ethyl alcohol in rectified sprit is:

A) $85.5$

B) $75.0$

C) $95.6$

D) $100$

• question_answer84) Antibodies are:

A) enzymes

B) protein

C) carbohydrates

D) hormones

• question_answer85) Salicylic acid on heating with acetic anhydride in presence of cone. ${{H}_{2}}S{{O}_{3}}$ produces:

A) resin

B) drug

C) dye

D) explosive

• question_answer86) 5 litres of a gas weighs 14.4 g at NTP. The molecular weight of gas is :

A) $64.51$

B) $56.42$

C) $52.42$

D) $61.40$

• question_answer87) Weight of $KMn{{O}_{4}}$ required to prepare 250 ml of its $\frac{N}{10}$. solution if equivalent weight of $KMn{{O}_{4}}$is 31.6, will be:

A) $0.64g$

B) $1.24g$

C) $1.78g$

D) $0.79g$

• question_answer88) If 300 ml. of a gas at ${{27}^{o}}C$ is cooled to $-{{3}^{o}}C$ at constant pressure. The final volume of the gas is:

A) 270 ml

B) 630 ml

C) 200 ml

D) 430 ml

• question_answer89) For equilibrium $2HI{{H}_{2}}+{{I}_{2}}$. When ${{H}_{2}}$ is added at constant temperature, the:

A) value of ${{K}_{P}}$ increases

B) value of ${{K}_{P}}$ decreases

C) degree of dissociation of $HI$ increases

D) degree of dissociation of $HI$ decreases

• question_answer90) If the rate constant of a first order reaction is ${{10}^{-3}}{{\min }^{-1}}.$The half life period of the reaction is:

A) 46.83 minute

B) 642.84 minute

C) 69.3 minute

D) 693 minute

• question_answer91) If the equilibrium constant for the reaction ${{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}$, then ${{K}_{C}}$ the equilibrium constant for the reaction $N{{H}_{3}}\frac{1}{2}{{N}_{2}}+\frac{3}{2}{{H}_{2}}$ is:

A) $\frac{1}{K_{C}^{2}}$

B) $\sqrt{{{K}_{C}}}$

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

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

• question_answer92) Which one of the following equation is correct?

A) $\Delta G=\Delta H-\Delta T$

B) $\Delta G=\Delta H-T\Delta S$

C) $\Delta G=\Delta H+T\Delta S$

D) $\Delta G=T\Delta S-\Delta H$

• question_answer93) Time required to deposit 100 g of $Al$ from an electrolyte cell containing $A{{l}_{2}}{{O}_{3}}$ by using a current of 125 amperes is:

A) 4820 sec

B) 8240.24 sec

C) 8577.78 sec

D) 6420.44 sec

• question_answer94) The osmotic pressure of a decinormal solution of cane sugar at ${{0}^{o}}C$ will be : (given R = 0.082 lit atom/k mole)

A) $22.4atm$.

B) $2.24atm$

C) $0.224atm$

D) $22400atm$

• question_answer95) Heat of combustion of C, S and $C{{S}_{2}}$ are $-393.3,-293.72$and$-1108.76\text{ }kJ/mole$. The heat of formation of $C{{S}_{2}}$ will be:

A) $+128.02\text{ }kJ$

B) $-128.02kJ$

C) $-212.24\text{ }kJ$

D) $+212.24\text{ }kJ$

• question_answer96) The Arrhenius equation representing the effect of temperature on the rate constant of a reaction is:

A) $K=In\,\frac{E}{RT}$

B) $K=A{{e}^{-E/RT}}$

C) $K=A{{e}^{E/RT}}$

D) $K={{e}^{-EA/RT}}$

• question_answer97) pH of ${{10}^{-4}}M\,\,HCl$ solution is:

A) 2

B) 6

C) 4

D) 10

• question_answer98) For the reaction $Fe{{O}_{(s)}}+C{{O}_{(g)}}F{{e}_{(s)}}+C{{O}_{2}}_{(g)},\,\,{{K}_{C}}=5.0.$ If the concentration of CO at equilibrium is $2.5\times {{10}^{-2}}mol/litre$ at ${{100}^{o}}C$. Then the equilibrium concentration of $C{{O}_{2}}$ will be:

A) $1.25\times {{10}^{-4}}m/L$

B) $12.5\times {{10}^{-2}}m/L$

C) $2.50\times {{10}^{-3}}m/L$

D) $2.50\times {{10}^{-4}}m/L$

• question_answer99) The volume of $\frac{M}{10}NaOH$ required to neutralise $20mL$ of $\frac{M}{10}NaOH$,, solution is:

A) $40\text{ }mL$

B) $20\text{ }mL$

C) $80\text{ }mL$

D) $10\text{ }mL$

• question_answer100) The vapour pressure of benzene at a certain temperature is 640 mm of Hg. If 2.175 g of a non-volatile solid is added to 39.08 g of benzene, the vapour pressure of solution is 600 mm of Hg. The molecular weight of the solid substance will be:

A) $48.60$

B) $44.2$

C) $64.26$

D) $69.45$

• question_answer101) The 1992 Nobel prize for medicine was awarded to H. Fischer and Edwin J. Krebs for their :

A) human genome project

B) drug designing involving inhibition of DNA synthesis of the pathogen

C) reversible protein phosphorylation as a biological regulation mechanism

D) isolation of the gene for a human disease

• question_answer102) When yeast ferments glucose, the products obtained are?

A) Ethanol and water

B) Water and $C{{O}_{2}}$

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

D) Methanol and $C{{O}_{2}}$

• question_answer103) Mycorrhiza exhibits the phenomenon of:

A) antagonism

B) endemism

C) parasitism

D) symbiosis

• question_answer104) Initiation codon in eukaryotes is :

A) AUG

B) UAG

C) GAU

D) AGU

• question_answer105) The first phase in the breakdown of glucose in animal cell is:

A) glycolysis

B) ETS

C) fermentation

D) Krebs cycle

• question_answer106) Haploid plants can be obtained by culturing:

A) young leaves

B) endosperm

C) pollen grains

D) root tips

• question_answer107) Hypanthodium is a specialized type of:

A) thalamus

B) ovary

C) fruit

D) inflorescence

• question_answer108) Colour blindness results from :

A) absence of rods

B) absence of cones

C) absence of eyelids

D) inverted retina

• question_answer109) The cells of bacterium Staphylococcus remain arranged in the form of:

A) plate

B) cube

C) irregular

D) chain

• question_answer110) Who credited with the introduction of binomial system of nomenclature of plants?

A) Linnaeus

B) John Ray

C) Bentham and Hooker

D) Aristotle

• question_answer111) In embryonic stage RBCs develop in ;

A) liver and kidney

B) liver and spleen

C) spleen and kidney

D) liver and pancreas

• question_answer112) Eutherian nammals are :

A) oviparous

B) viviparous

C) ovoviviparous

D) both a and c

• question_answer113) Guttation occurs through :

A) stomata

B) hydathodes

C) root hairs

D) flower buds

• question_answer114) Cells of liver which .act as phagocytes are?

A) Deiter cells

B) Kupffer cells

C) Hensen cells

D) Aciner cells

• question_answer115) Lac is produced by :

A) faeces of lac insect

B) secretion from body

C) excretion from body

D) excess food oozing out of body

• question_answer116) Which one of the following plant hormones is known as a stress hormone?

A) Gibberellins

B) Kinetin

C) Auxin

D) Abscisic acid

• question_answer117) Which one of the following statements is true for the enzymes ?

A) All enzymes are protein

B) All proticns are enzymes

C) All enzymes are not protein

D) All unzymes are vitamins

• question_answer118) Sexual reproduction in Spirogyra is morphologically characterized by:

A) oogamy

B) anisogamy

C) isogamy

D) both b and c

• question_answer119) 0.1 M solution of a solute has a water potential of:

A) - 2.3 bars

B) 0 bar

C) 22.4 bars

D) + 2.3 bars

• question_answer120) Kala-azar is transmitted by :

A) tse-tse fly

B) dragon fly

C) sand fly

D) fruit fly

• question_answer121) Chromosome theory of sex determination was proposed by:

A) Bridges

B) Balbiani

C) Gold Schmidt

D) Mendel

• question_answer122) Biological magnification refers to:

A) concentration of insecticide in animals

B) concentration of organ ophosphate in plants

C) photography in laboratory

D) increase in number of animals and plants in ecosystem

• question_answer123) Peridem is made up of:

A) phellem

B) phellogen

C) phelloderm

D) all of the above

• question_answer124) A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is :

C) Sex-limited characters

D) Autosomal dominant

• question_answer125) Monadelphous condition of stamens is found in:

A) Malvaceae

B) Cyperaceae

C) Cruciferae

D) Solanaceae

• question_answer126) In which animal nerve cell is present but brain is absent:

A) Sponge

B) Cockroach

C) Earthworm

D) Hydra

• question_answer127) Which of the following is a correct match?

A) Downs syndrome-21st chromosome

B) Sickle cell anaemia-X-chromosome

C) Haemophilia-y-chromomosome

D) Parkinson disease-X and Y chromosome

• question_answer128) Mainly which type of hormones control the menstrual cycle in human beings?

A) FSH

B) LH

C) FSH, LH and Estrogen

D) Progesterone

• question_answer129) Which of the following is used in thyroid cancer?

A) ${{I}^{131}}$

B) $R{{a}^{224}}$

C) ${{U}^{238}}$

D) ${{C}^{14}}$

• question_answer130) Continuous bleeding from an injured part of body due to deficiency of:

A) Vit. A

B) Vit. B

C) Vit. K

D) Vit. E

• question_answer131) ATP is:

A) nucleotide

B) nucleoside

C) nucleic acid

D) hormone

• question_answer132) RR-21 is a variety of:

A) Wheat

B) Gram

C) Rice

D) Sugarcane

• question_answer133) Book lungs are respiratory organs of:

A) Scorpion

B) Birds

C) Fishes

D) Earthworm

• question_answer134) The cranial capacity of Java ape man is :

A) 1700 cc

B) 1450 cc

C) 450 cc

D) 900 cc

• question_answer135) Pace-maker is:

A) SA-node

B) AV-node

C) SV-node

D) both b and c

• question_answer136) Heterothellism was discovered in :

A) Mucor

B) Aspergillus

C) Agarcuc

D) Albugo

• question_answer137) Parasitic alga is :

A) Chara

B) Oedogonium

C) Anabaena

D) Cephaleuros

• question_answer138) TMV has genetic material as:

A) ss RNA

B) ds RNA

C) ss DNA

D) ds DNA

• question_answer139) Golden age of reptiles is:

A) Coenozoic era

B) Palaeozoic era

C) Mesozoic era

D) None of these

• question_answer140) Number of wild life is continuously decreasing. What is the main reason of this?

A) Predation

B) Cutting down of forests

C) Destruction of habitats

D) Hunting

• question_answer141) Seed dormancy is due to :

A) ethylene

B) abscisic acid

C) IAA

D) Starch

• question_answer142) Ediple part in Mango is :

A) mesoc.irp

B) epicarp

C) cndocarp

D) epidermis

• question_answer143) Maximum green house gases is released by which country ?

A) India

B) USA

C) England

D) Germany

• question_answer144) Which of the following are homologus organs?

A) Wings of Birds and Locust

B) Wings of Bat and Butterfly

C) Leg of Cockroach and Frog

D) Wings of Birds and pectoral fins of Fish

• question_answer145) Change in the sequence of nucleotide in DNA is called :

A) mutagen

B) mutation

C) recombination

D) translation

• question_answer146) A food chain starts with :

A) nitrogen fixing organisms

B) photosynthesising organisms

C) respiration

D) decomposers

• question_answer147) Nepenthes is a :

A) primary producer

B) consumer

C) both a and b

D) decomposer

• question_answer148) Dudhawa National park is located in :

• question_answer149) Glissons capsule is found in :

A) pancreas

B) liver

D) heart

• question_answer150) Which of the following is sexually transmitted disease (STD) ?

A) Malaria

B) Syphilis

C) Goitre

D) TB

• question_answer151) A ribosome is composed of :

A) DNA, RNA and protein

B) only protein

C) protein and RNA

D) RNA and DNA

• question_answer152) A nucleoside differ from a nucleotide on not having:

A) phosphate

B) calcium

C) nitrogen base

D) phosphate and sugar

• question_answer153) DNA is present in:

A) Nucleus only

B) Mitochondria only

C) Chloropbst only

D) All of these

• question_answer154) AIDS can be transmitted by :

A) blood circulation

B) handshake

C) court ship

D) by using the utensils of infected person

• question_answer155) The chief difference between RBCs of Human and Frog :

A) only Human RBCs have haemoglobin

B) Human RBCs have more nuclei

C) Human RBCs are without nucleus

D) Frog RBCs are without nucleus

• question_answer156) The cell theory was proposed by :

A) Schleiden and Schwann

B) Hugo dc Vries

C) Robert Hooke

D) R. Virchow

• question_answer157) Which of the plant yield sunhemp ?

A) Cnniinbis

B) Crotaleria

C) Corchorus

D) Hibiscus

• question_answer158) LDS is obtained from :

A) Raiiwoifin

B) Cinchofvi

C) Cannabis

D) daviceps

• question_answer159) Which group of the following scientists discovered the EMP pathway of glycolysis :

A) Embdcn, Meyrrliof and Parnas

B) Emerson, Hoffman and Peterson

C) Embden, Morrison and Pitcher

D) Avery, Mcleon and McCarthy

• question_answer160) Rennin is used in cheese industry is :

A) antibiotic

B) alkaloid

C) enzyme

D) inhibitor

• question_answer161) Plasmodium in man is inoculated by

A) Anopheles male

B) Anopheles female

C) Culex male

• question_answer162) Bordeaux mixture is used as a:

A) fertilizer

B) fungicide

C) rodenticide

D) soil testing chemical

• question_answer163) Blood of which blood group can be given to a person with blood group A ?

A) A only

B) O only

C) A or O

D) all of these

• question_answer164) Which one of the following bacterium has potential for nitrogen fixation?

A) Nitrosomonas

B) Azolla

C) Nitrobacter

D) Rhizobium

• question_answer165) In meiotic division, centromere divide during:

A) diplotene

B) metaphase-I

C) pachytene

D) anaphase-II

• question_answer166) The first $C{{O}_{2}}$acceptor in ${{C}_{4}}$plants is:

A) PEP

B) RuDP

C) PGA

D) OAA

• question_answer167) Calvin cycle occurs in :

A) chloroplnst

B) cytoplasm

C) mitochondria

D) glyoxysome

• question_answer168) Which one of the following hormones is not found in plants?

A) 2, 4-D

B) $G{{A}_{2}}$

C) Gibberellin

D) IAA

• question_answer169) A gene is made up of:

A) DNA

B) RNA

C) either RNA or DNA

D) amino acids Generally gene is made up of DNA but in some viruses gene is made up of RNA.

• question_answer170) Chlorophyll is soluble in:

A) water

B) organic solvents

C) both a and b

D) none of these

• question_answer171) A contraceptive pill contains ;

A) progesterone and estrogen

B) spermicidal salts

C) chemicals that cause automatic abortion

D) chemicals that prevents fertilization of ovum

• question_answer172) Jully 11 is :

A) World Environment Day

B) World population Day

C) World AIDS Day

D) World Education Day

• question_answer173) B.C.G. vaccine works against:

A) Bacillus Comma, Gram

B) Diphtheria, Pertussis and Tetanus

C) Measles, Mumps and Rubella

D) T.B. Bacillus Calmette-Guerin

• question_answer174) Sweet potato is the modification of:

A) tap root

B) stem

C) leaf

• question_answer175) Amino acid binding site in f-RNA is:

A) 5 end

B) anticodon loop

C) CCA 3 end

D) DHU loop

• question_answer176) Tissue present in an annual ring is :

A) secondary xylem and phloem

B) primary xylem and phloem

C) secondary xylem only

D) primary phloem and secondary xylem

• question_answer177) The termination codons are:

A) UAU, UAC, UCU

B) UCU, UGC, UGG

C) UAA, UAG, UGA

D) UCC, UCA, UCG

• question_answer178) Which of the following is not an insect?

A) Mosquito

B) Ant

C) Spider

D) Termite

• question_answer179) Which of the following is not a flower?

A) Rose

B) Lotus

C) Sunflower

D) Passion flower

• question_answer180) A plasmolysed cell can be deplasmolysed by placing it in :

A) isotonic solution

B) hypertonic solution

C) saturated solution

D) pure water or hypotonic solution

• question_answer181) In human body urea is produced as an excretory product in the :

A) liver

B) kidneys

D) pancreas

• question_answer182) Electron microscope is invented by :

A) Knoll and Ruska

B) Robert Hooke

C) Leeuwonhoek

D) Pasteur

• question_answer183) HPLC stands for :

A) high performance liquid chromatography

B) heavy partical liquid chromatography

C) heat power liquid chromatography

D) high potential low chromatography

• question_answer184) Cryobiology deals with:

A) temperature effect

B) physiology

C) anatomy

D) characteristics of biomolecule

• question_answer185) Penicillin an antibiotic was discovered by:

A) Pasteur

B) Koch

C) Flemming

D) Kurosawa

• question_answer186) In human beings, the number of cranial nerves are:

A) 10 pairs

B) 12 pairs

C) 6 pairs

D) 20 pairs

• question_answer187) Blood pressure of healthy person is :

A) 120/80

B) 140/60

C) 90/60

D) 200/130

• question_answer188) Agar-agar which is used in tissue culture is obtained from a :

A) fungi

B) algae

C) pteridophyte

D) bryophyte

• question_answer189) Molecular scissors used in genetic engineering is:

A) DNA polymerase

B) DNA ligase

C) restriction endonuclease

D) helicase

• question_answer190) The species of animal protected in Kaziranga sanctuary is:

A) Panthera Sea

B) Rhinoceros uniforms

C) Macaco mulatto

D) Panthera tigris

• question_answer191) The largest gland is the human body is:

A) pancreas

B) brain

D) liver

• question_answer192) Haversian systems are found in the bones of:

A) Pigeon

B) Panther

C) Pipe fish

D) Python

• question_answer193) R.Q of sprouting potato tubers will be :

A) 1

B) < 1

C) > 1

D) 0

• question_answer194) Fem prothallus develops from:

A) spore

B) oospore

C) elaters

D) antherozoid

• question_answer195) Winged pollen grain is the characteristic feature of:

A) Cycas

B) Ephedra

C) Gnetum

D) Pinus

• question_answer196) In which bee wax glands are found?

A) Drone

B) Workers

C) Queen bee

D) All of the above

• question_answer197) Diabetes mellitus is due to lack of:

A) starch in blood

B) trypsin in pancreatic Juice

C) ADH reaching in kidneys

D) insulin in blood

• question_answer198) Deficiency of vit. C causes:

A) pellagra

B) diabetes

C) haemophilia

D) scurvy

• question_answer199) What is introduced in polio vaccine ?

A) Antibodies

B) Antigen

C) Antibiotics

D) Bacteriostatic agent

• question_answer200) Chromosomes are lined up in the equatorial plane during?

A) metaphase

B) annphase

C) telophase

D) interphase

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