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# Solved papers for BVP Medical BVP Medical Solved Paper-2013

### done BVP Medical Solved Paper-2013

• question_answer1) If two soap bubbles of different radii are connected by a tube, then

A) air flows from the bigger bubble to the smaller bubble till the sizes became equal

B) air flows from bigger bubble to the smaller bubble till the sizes are interchanged

C) air flows from the smaller bubble to the bigger

D) there is no flow of air

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• question_answer2) Which of the following statements is correct for any thermodynamic system?

A) The internal energy changes in all processes

B) Internal energy and entropy are state functions

C) The change in entropy can never be zero

D) The work done in an adiabatic process is always zero

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• question_answer3) The total current supplied to the circuit by the battery is

A) $6A$

B) $1.33\times {{10}^{-7}}kg$

C) $19.8\times {{10}^{-7}}kg$

D) $9.9\times {{10}^{-7}}kg$

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• question_answer4) The electrochemical equivalent of metal is $6.6\times {{10}^{-7}}kg$ per coulomb. The mass of the metal liberated to the cathode when a 3 A current is passed for 2 s, will be

A) $1.1\times {{10}^{-7}}kg$

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

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

D) $50s$

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• question_answer5) Time taken by a 836 kW heater to heat on litre of water from $100s$ to $150s$ is

A) $200s$

B) $4L$

C) $2L$

D) $\frac{L}{2}$

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• question_answer6) In an L-C-R circuit, capacitance is changed from C to 2 C. For the resonant frequency to remain unchanged, the inductance should be changed from L to

A) $\frac{L}{4}$

B) $\propto \text{x}$

C) $\propto {{\text{x}}^{2}}$

D) $\propto {{\text{x}}^{1/2}}$

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• question_answer7) When n-pn transistor is used as an amplifier

A) electrons move from base to collector

B) holes move from emitter to base

C) electrons move from collector to base

D) holes move from base to emitter

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• question_answer8) The maximum number of possible interference maxima from slit-separation equal to twice the wavelength in Youngs double-slit experiment is

A) infinite

B) five

C) three

D) zero

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• question_answer9) A solid sphere is rotating in free space. If the radius of the sphere is increased, keeping mass same, which one of the following will not be affected?

A) Moment of inertia

B) Angular momentum

C) Angular velocity

D) Rotational kinetic energy

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• question_answer10) The total energy of a particle; executing simple harmonic motion is

A) $p+\frac{1}{2}\rho {{\upsilon }^{2}}+\rho gh=k$

B) $\frac{4{{v}^{2}}}{5g}$

C) independent of x

D) $\frac{4g}{5{{v}^{2}}}$

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• question_answer11) Consider the following equation of Bernoullis theorem $\frac{{{v}^{2}}}{g}$ (constant) The dimension of k /p are same or that of which of the following?

A) Thrust

B) Pressure

C) Angle

D) Viscosity

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• question_answer12) If the figure below represent a parabola, identify the physical quantities representing y and X for constant acceleration

A) X = times, Y = velocity

B) X = velocity, V = time

C) X = time, Y = displacement

D) X = time, Y = acceleration

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• question_answer13) A particle is projected with a velocity v such that its range on the horizontal plane is twice the greater height attained by it. The range of the projectile is (where g is acceleration due to gravity)

A) $\frac{4{{v}^{2}}}{\sqrt{5}g}$

B) $(g=10m/{{s}^{2}})$

C) $800N$

D) $1200N$

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• question_answer14) A man weighs 80 kg the stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5 m/s. What would be the reading on the scale? $400N$

A) $mg\,sin\,\theta$

B) $\frac{{{p}^{2}}{{t}^{2}}}{m}$

C) zero

D) $\frac{{{p}^{2}}{{t}^{2}}}{2m}$

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• question_answer15) An inclined plane has an inclination $\theta$with horizontal. A body of mass m rests on it. If the coefficient of friction between the body and the plane is a, then the minimum force that needs to be applied parallel to the inclined plane is

A) $\frac{{{p}^{2}}{{t}^{2}}}{3m}$

B) $\mu \,mg\sin \theta$

C) $\mu \,mgcos\theta +mg\sin \theta$

D) $\mu \,mgcos\theta -mg\sin \theta$

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• question_answer16) A particle of mass m at rest is acted upon by a force p for a time t. Its kinetic energy after an interval t is

A) $\frac{pt}{2m}$

B) $\frac{2m{{L}^{2}}}{3}$

C) $\frac{m{{L}^{2}}}{12}$

D) $\frac{m{{L}^{2}}}{6}$

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• question_answer17) A T joint is formed by two identical rods A and B each of mass m and length L in the XY -plane as shown. Its moment of inertia about axis coinciding with A is

A) $\frac{1}{2}$

B) $\frac{2}{3}$

C) ${{2}^{-3/2}}$

D) None of these

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• question_answer18) A satellite moves in a circle around th6 earth. The radius of this circle is equal to one-half of the radius of the moons orbit. The satellite completes one revolution is

A) ${{2}^{3/2}}$lunar month

B) $2:5$lunar month

C) $5:2$ lunar month

D) $2:5$ lunar month

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• question_answer19) Two wires of same material and same diameter have lengths in the ratio $1:3$. They are stretched by same force. The ratio of work done in stretching them is

A) $3:1$

B) $\rho \text{ }kg-{{m}^{3}}$

C) $10m/{{s}^{2}}$

D) $\rho$

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• question_answer20) A bird of mass 1.23 kg is able to hover by imparting a downward velocity of 10 m/s uniformly to air of density $kg-{{m}^{-3}}$ over an effective area 0.1 m2. If the acceleration due to gravity is $0.0123$, then the magnitude of $0.123$in $1.23~~$is

A) $1.32$

B) $k=200J{{m}^{-1}}-{{K}^{-2}}$

C) ${{20}^{o}}C$

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

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• question_answer21) A body of length 1 m having cross-sectional area $0.75\text{ }{{m}^{2}}$has heat flow through it at the rate of 6000 J/s. Then find the temperature difference if ${{80}^{o}}C$

A) ${{100}^{o}}C$

B) ${{20}^{o}}C$

C) $R=8.31Jmo{{l}^{-1}}{{K}^{-1}}$

D) $996\text{ }J$

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• question_answer22) A cylinder of fixed capacity (of 4.48 L) contains 2 moles of helium gas at STP. What is the amount of heat needed to raise the temperature of the gas in the cylinder by $831\text{ }J$? (Use $498\text{ }J$)

A) $374\text{ }J$

B) ${{25}^{o}}C$

C) ${{35}^{o}}C$

D) ${{y}_{1}}=0.1\sin \left( 1\omega \pi t+\frac{\pi }{3} \right)$

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• question_answer23) 310 J of heat of required to raise the temperature of 2 moles of an ideal gas at constant pressure from ${{y}_{2}}=0.1\cos \,100\pi t.$ to $-\frac{\pi }{3}$. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

A) 384 J

B) 144J

C) 276 J

D) 452 J

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• question_answer24) Two SHMs are represented by the equations $\frac{\pi }{6}$ and $-\frac{\pi }{6}$ The phase difference between the speeds of the two paraticles is

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

B) $1:2:3$

C) $1:4:9$

D) $1:3:5$

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• question_answer25) Two simple pendulums whose lengths are 100 cm and 121 cm are suspended side by side. Their bobs are pulled together and then released. After how many minimum oscillations of the longer pendulum, both the pendulums will be in same phase again?

A) 12

B) 10

C) 22

D) 20

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• question_answer26) A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of the ball is

A) $1:5:3$

B) ${{(Kg)}^{1/2}}$

C) ${{(Kg)}^{-1/2}}$

D) ${{(Kg)}^{2}}$

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• question_answer27) There are two planets. The ratio of radius of the two planets is K but ratio of acceleration due to gravity of both planets is g. What will be the ratio of their escape velocity?

A) ${{(Kg)}^{-2}}$

B) $\Delta {{\mathbf{p}}_{1}}=-\Delta {{\mathbf{p}}_{2}}$

C) $\Delta E=-\Delta (PE+KE)=0$

D) $\mathbf{F}\Delta t=m\Delta \mathbf{v}$

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• question_answer28) Consider the following statement. When jumping from some height, you should bend your knees as you come to rest instead of keeping your legs stiff. Which of the following relations can be useful in explaining the statement?

A) $\Delta \mathbf{x}\propto \Delta \mathbf{F}$

B) $1:8$

C) $2$

D) $2\sqrt{2}$

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• question_answer29) Two rings of radius R and n R made up of same material have the ratio of moment of inertia about an axis passing through centre is $4$. The value of n is

A) $\frac{1}{2}$

B) $60m$

C) $50m$

D) $30m$

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• question_answer30) Velocity-time (v-t) graph for a moving object is shown in the figure. Total displacement of the object during the time interval when there is non-zero acceleration and retardation is

A) $40m$

B) $\frac{qQ}{4\pi {{\varepsilon }_{0}}r}$

C) $\frac{qQ}{4\pi \varepsilon _{0}^{2}{{r}^{2}}}$

D) $\frac{qQ}{4\pi {{\varepsilon }_{0}}{{r}^{2}}}$

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• question_answer31) Three weights w, 2w and 3w are connected to identical spring suspended from a rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weight from the rod are such that

A) 3 w will be farthest

B) w will be farthest

C) all will be at the same distance

D) 2 w will be farthest

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• question_answer32) The work done in carrying a charge q once round a circle of radius r with a charge Q at the centre is

A) $+1.6\times {{10}^{-16}}C$

B) ${{F}_{1}}$

C) ${{F}_{2}}$

D) None of these

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• question_answer33) Two nucleons are at a separation of one fermi. Protons have a charge of ${{F}_{1}}={{F}_{2}}>{{F}_{3}}$. The net nuclear force between them is ${{F}_{1}}={{F}_{2}}={{F}_{3}}$, if both are neutrons, ${{F}_{1}}<{{F}_{2}}<{{F}_{3}}$ if both are protons and F^ if one is proton and the other is neutron. Then

A) ${{F}_{1}}>{{F}_{2}}>{{F}_{3}}$

B) $n={{n}_{1}}$

C) $n={{n}_{2}}$

D) $({{n}_{1}})$

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• question_answer34) The electron in a hydrogen atom makes a transition form $({{n}_{2}})$ to ${{n}_{1}}$ state. The time period of the electron in the initial state ${{n}_{2}}$ is eight times that in the final state ${{n}_{1}}=8,\,\,\,\,{{n}_{2}}=1$. The possible values of ${{n}_{1}}=4,\,\,\,\,{{n}_{2}}=2$ and ${{n}_{1}}=2,\,\,\,\,{{n}_{2}}=4$ are

A) ${{n}_{1}}=1,\,\,\,\,{{n}_{2}}=8$

B) $9land\,\,l$

C) $~9land\,\,\,\,3l.$

D) $5land\,\,l$

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• question_answer35) Two coherent light beams of intensity I and 4I are superposed. The maximum and minimum possible intensities in the .resulting beam are

A) $5l\,and\,\,3l$

B) $_{0}^{1}n+_{92}^{235}U\to _{92}^{236}U\to _{40}^{98}Zr+_{52}^{136}Te+2_{0}^{1}n$

C) $_{42}^{98}{{M}_{0}}$

D) $_{54}^{136}X$

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• question_answer36) Calculate the total energy released during a fission reaction $\beta$ The resulting fission fragments are unstable hence, decay into stable end products $=1.0087\text{ }amu$ and $_{92}^{235}U=236.0526amu$by successive emission of $_{42}^{98}{{M}_{0}}=97.9054amu$-particles. Take mass of neutron $_{54}^{136}Xe=135.9170amu$, mass of $198MeV$, mass of $220\text{ }MeV$ and mass of $185\text{ }MeV$

A) $230\text{ }MeV$

B) ${{10}^{-10}}m,$

C) $4.2\times {{10}^{15}}\text{ }Hz$

D) $0.36\times {{10}^{15}}Hz$

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• question_answer37) If an electron is moving around a nucleus of charge 2e in a circular orbit of radius $3.6\times {{10}^{15}}Hz$then calculate the initial frequency of light emitted by the electron

A) $4.2\times {{10}^{15}}Hz$

B) $4.2\text{ }J/{{g}^{o}}C$

C) $3\times {{10}^{9}}Hz$

D) ${{20}^{o}}C$

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• question_answer38) Specific heat of water is ${{40}^{o}}C$. If light of frequency $1.69\times {{10}^{29}}$ is used to heat 400 g of water from $1.69\times {{10}^{28}}$ to $2.80\times {{10}^{4}}$, the number of moles of photons needed will be

A) $2.80\times {{10}^{5}}$

B) ${{10}^{4}}\Omega$

C) $10\Omega$

D) $4.62\times {{10}^{-2}}$

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• question_answer39) An AC source has an internal resistance of $2.03\times {{10}^{-2}}$. Calculate the turn ratio of a transformer so as to match the source to a load of resistance $3.16\times {{10}^{-2}}$.

A) $5.62\text{ }\times {{10}^{-2}}$

B) $\lambda$

C) $1A$

D) $2A$

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• question_answer40) A non-conducting ring of radius r has charge per unit length $4A$. A magnetic field perpendicular to plane of the ring changes at rate dB /dt. Torque experienced by the ring is

A) $6A$

B) $1.33\times {{10}^{-7}}kg$

C) $19.8\times {{10}^{-7}}kg$

D) zero

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• question_answer41) The loop ABCD is moving Wight velocity $9.9\times {{10}^{-7}}kg$towards right. The magnetic field is 4 T. The loop is connected to a resistance of $6.6\times {{10}^{-7}}kg$. If steady current of 2 A flows in the loop, then value of v if loop has a resistance of $1.1\times {{10}^{-7}}kg$, (Given, AB = 30 cm, AD = 30 cm) is

A) ${{10}^{o}}C$

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

C) $50s$

D) $100s$

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• question_answer42) A length $150s$ of a wire is bent to form a circular coil of some turns. A current $200s$ is then established in the coil and it is placed in a uniform magnetic field B. The maximum torque that acts on the coil is

A) $4L$

B) $2L$

C) $\frac{L}{2}$

D) Zero

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• question_answer43) The total electrical resistance between the points A and B of the circuit shown is

A) $\frac{L}{4}$

B) $\propto \text{x}$

C) $\propto {{\text{x}}^{2}}$

D) $\propto {{\text{x}}^{1/2}}$

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• question_answer44) The equivalent capacitance between points A and B is

A) $p+\frac{1}{2}\rho {{\upsilon }^{2}}+\rho gh=k$

B) $\frac{4{{v}^{2}}}{5g}$

C) $\frac{4g}{5{{v}^{2}}}$

D) $\frac{{{v}^{2}}}{g}$

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• question_answer45) In a region, electric field is parallel to x-axis the equation of equipotential surface is

A) $\frac{4{{v}^{2}}}{\sqrt{5}g}$

B) $(g=10m/{{s}^{2}})$

C) $800N$

D) None of these

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• question_answer46) In the previous problem, find energy stored in spring at the equilibrium position of the point mass

A) $1200N$

B) $400N$

C) $mg\,sin\,\theta$

D) None of these

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• question_answer47) For the metallic conductor

A) dielectric constant must be zero

B) dielectric constant must not be infinity

C) dielectric constant must be infinity

D) dielectric constant may be infinity

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• question_answer48) If n coherent sources of intensity $\frac{{{p}^{2}}{{t}^{2}}}{m}$ are superimposed at a point the intensity of the point is

A) $\frac{{{p}^{2}}{{t}^{2}}}{2m}$

B) $\frac{{{p}^{2}}{{t}^{2}}}{3m}$

C) $\frac{pt}{2m}$

D) $\frac{2m{{L}^{2}}}{3}$

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• question_answer49) Find the power and type of the lens by which a person can see clearly the distant objects, if a person cannot see objects beyond 40 cm

A) - 2.5 D and concave lens

B) - 2.5 D and convex lens

C) - 3.5 D and concave lens

D) - 3.5 D and convex lens

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• question_answer50) Surface temperature of the sun as estimated is 6032.25 K. Find the wavelength at which sun radiates maximum energy. (Given, Wiens constant = 0.2898 cm-K)

A) $\frac{m{{L}^{2}}}{12}$

B) $\frac{m{{L}^{2}}}{6}$

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

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

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• question_answer51) Conjugate acid of ${{S}_{2}}O_{8}^{2-}$ is

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

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

C) $H{{S}_{2}}O_{8}^{-}$

D) ${{H}_{2}}{{S}_{2}}{{O}_{8}}$

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• question_answer52) The pH of a $1.0\times {{10}^{-8}}M$ solution of $HCl$ is

A) $6$

B) $7$

C) $8$

D) $6.98$

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• question_answer53) The common components of photochemica smog are ozone, nitric oxide, acrole in formaldehyde and peroxyacetylnitrate Photochemical smog cause

A) cancer

B) cracking of rubber

C) oxygen deficiency in blood

D) global warming

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• question_answer54) Which of the following compound is aromatic?

A)

B)

C)

D) All of these

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• question_answer55) The IUPAC name of the compound $CNC{{H}_{2}}CHCNC{{H}_{2}}CN$ is

A) 1,2,3-tricyanopropane

B) 1,2,3-cyanopropane

C) 1,2,3-propane trinitrile

D) 3-cyano-1,5-dinitrile

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• question_answer56) Which of the following is not a chiral?

A) 2-butanol

B) 2,3-dibromopentane

C) 3-bromopentane

D) 2-hydroxy propanoic acid

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• question_answer57) The $pOH$ of an ammonia solution is 4.75. The pH of solution formed on mixing $0.2M$ $N{{H}_{4}}Cl$ and $0.1M$ $N{{H}_{3}}$will be

A) $7.00$

B) $7.85$

C) $8.00$

D) $8.95$

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• question_answer58) For redox reaction,$F{{e}^{2+}}(aq)+C{{r}_{2}}O_{7}^{2-}(aq)+{{H}^{+}}(aq)\xrightarrow{{}}$ $F{{e}^{3+}}(aq)+C{{r}^{3+}}(aq)+{{H}_{2}}O(l)$ The coefficients of $F{{e}^{2+}},C{{r}_{2}}O_{7}^{2-}$ and ${{H}^{+}}$ in the balanced reaction are

A) $6,1,14$

B) $3,2,6$

C) $2,3,6$

D) $6,4,12$

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• question_answer59) Outer electronic configuration of phosphorus is $3{{s}^{2}}3{{p}^{3}}$, however it cannot form $P{{H}_{5}}$ because

A) high ${{\Delta }_{a}}H$ value of dihydrogen do not favour the formation of $P{{H}_{5}}$

B) ${{\Delta }_{eg}}H$ value of hydrogen do not favour the formation of $P{{H}_{5}}$

C) Both (a) and (b) are correct

D) None of the above

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• question_answer60) When lithium nitrate is heated

A) only $L{{i}_{2}}O$ is formed

B) only ${{O}_{2}}$ is formed

C) only $N{{O}_{2}}$ is formed

D) All of the above

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• question_answer61) White lead is

A) $PbO$

B) $P{{b}_{3}}{{O}_{4}}$

C) $2PbC{{O}_{3}}.Pb{{(OH)}_{2}}$

D) $Pb{{(C{{H}_{3}}COO)}_{2}}.Pb{{(OH)}_{2}}$

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• question_answer62) Electronic configuration of hydride ion is

A) $1{{s}^{0}}$

B) $1{{s}^{1}}$

C) $1{{s}^{2}}$

D) $1{{s}^{1}}.2{{s}^{1}}$

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• question_answer63) What is the wavelength of a photon emitted during a transition from $n=5$state to $n=u~$ state in the hydrogen atom?

A) $400nm$

B) $421nm$

C) $434nm$

D) $43.4nm$

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• question_answer64) The number of molecules in 44 g of $C{{O}_{2}}$ in terms of Avogadro number ${{N}_{A}}$ is

A) $10{{N}_{A}}$

B) ${{10}^{-1}}{{N}_{A}}$

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

D) ${{10}^{-3}}{{N}_{A}}$

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• question_answer65) Which of the following species has a linear shape?

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

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

C) $NO_{2}^{+}$

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

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• question_answer66) Hydrogen bond is not present in

A) methanol

B) glycerol

C) water

D) hydrogen sulphide

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• question_answer67) A, B and C are ideal gases. Their molecular weights are 2, 4 and 20 respectively. The rate of diffusion of these gases follow the order

A) $A>B>C$

B) $A=B=C$

C) $C>B>A$

D) $A>C>B$

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• question_answer68) For the reaction, $2Cl(g)\xrightarrow{{}}C{{l}_{2}}(g),$ the signs of $\Delta H$ and $\Delta S$ are

A) $\Delta H=+ve,\,\Delta S=-ve$

B) $\Delta H=-ve,\,\Delta S=+ve$

C) $\Delta H=+ve,\,\Delta S=+ve$

D) $\Delta H=-ve,\,\Delta S=-ve$

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• question_answer69) One mole of ethanol when burnt in oxygen, gives out a: kJ $mo{{l}^{-1}}$ heat. If one mole of ${{O}_{2}}$ is used, what will be the amount of heat evolved?

A) $x\,kJ$

B) $\frac{x}{3}\,kJ$

C) $3x\,kJ$

D) $\frac{3x}{2}\,kJ$

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• question_answer70) The correct order in which the first ionisation potential increases is

A) $Na,Li,B,Be$

B) $Li,Na,Be,B$

C) $Li,Be,B,Na$

D) $Na,Li,Be,B$

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• question_answer71) Ethyl benzene with bromine in the presence of $FeB{{r}_{3}}$, predominantly gives

A)

B)

C)

D)

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• question_answer72) Density of Li atom is $0.53g\,\,c{{m}^{-3}}$. The edge length of $Li$ is$3.5\overset{\text{o}}{\mathop{\text{A}}}\,$. Find out the number of $Li$atoms in a unit cell $({{N}_{A}}=6.023\times {{10}^{23}},\,M=6.94)$

A) $1$

B) $2$

C) $3$

D) $4$

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• question_answer73) An aqueous solution containing 1.248 g of barium chloride (molar mass $=208.34g\,mo{{l}^{-1}}$) in 100 g of water boils at${{100.0832}^{o}}C$. The degree of dissociation of $BaC{{l}_{2}}$ will be (${{K}_{b}}$ for water$=0.52K\text{ }kg\text{ }mo{{l}^{-1}}$)

A) $0.835$

B) $0.756$

C) $0.638$

D) $0.930$

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• question_answer74) On a certain hill station, pure water is found to boil at ${{95}^{o}}C$. How many grams of $NaCl$ must be added to 2 kg of water so that it boil at ${{100}^{o}}C$?

A) $125.0g$

B) $206.85\text{ }g$

C) $346.70\text{ }g$

D) $562.42\text{ }g$

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• question_answer75) On dissolving sugar in water at room temperature, solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid?

A) Sugar crystals in cold water

B) Sugar crystals in hot water

C) Powdered sugar in cold water

D) Powdered sugar in hot water

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• question_answer76) Which of the following solution has the highest equivalent conductance?

A) $0.01M\text{ }KCl$

B) $0.05M\text{ }KCl$

C) $0.02M\text{ }KCl$

D) $0.005M\text{ }KCl$

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• question_answer77) Among the following cells, Leclanche cell (I), nickel-cadmium cell (II), lead storage battery (III), mercury cell (IV), primary cells are

A) I and II

B) I and III

C) II and III

D) I and IV

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• question_answer78) The function of gum arable in the preparation Indian ink is

A) coagulation

B) adsorption

C) peptisation

D) protective action

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• question_answer79) During smelting, an additional substance is added which combines with impurities to form a fusible mass. The additional substance is called

A) ore

B) gangue

C) flux

D) slag

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• question_answer80) Which of the following statement is incorrect about collision theory of a chemical reaction?

A) It considers reacting molecules or atoms to be hard spheres and ignores their structural features

B) Number of effective collisions determines the rate of reaction

C) Collisions of atoms or molecules possessing sufficient threshold energy results into the product formation

D) Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective

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• question_answer81) Zinc/silver oxide cell is used in hearing acids and electric watches. The following reactions takes place $Zn\xrightarrow{{}}Z{{n}^{2+}}+2{{e}^{-}};{{E}^{o}}=0.76V$$A{{g}_{2}}O+{{H}_{2}}O+2{{e}^{-}}\xrightarrow{{}}2Ag+2O{{H}^{-}};$${{E}^{o}}=0.344V$$\Delta G$ in joules will be

A) $-2.13\times {{10}^{5}}J$

B) $+2.13\times {{10}^{5}}J$

C) $-4.67\times {{10}^{7}}J$

D) $+4.67\times {{10}^{7}}J$

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• question_answer82) Which one of the following is a preservative?

A) Sodium stearate

B) Sodium benzoate

C) Sodium sulphate

D) Sodium thiosulphate

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• question_answer83) Which one of the following polymer is used for making contact lenses?

A) Polyacrylonitrile

B) Polymethylmethacrylate

C) Neoprene

D) Dacron

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• question_answer84) Which one of the following is not an aldose?

A) Glucose

B) Ribose

C) Fructose

D) Mannose

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• question_answer85) The hormone which controls the processes of burning of fats, proteins and carbohydrates and liberates energy in the body is

A) thyroxine

B) adrenaline

C) cortisone

D) insulin

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• question_answer86) DNA and RNA contain four bases each. Which of the following bases is not present in DNA?

A) Adenine

B) Uracil

C) Thymine

D) Cytosine

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• question_answer87) Benzyl amine may be alkylated as shown in the following equation${{C}_{6}}{{H}_{6}}C{{H}_{2}}N{{H}_{2}}+R-X\xrightarrow{{}}{{C}_{6}}{{H}_{5}}C{{H}_{2}}NHR.$ Which of the following alkyl halides is best suited for this reaction through ${{S}_{N}}1$ mechanism?

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

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

C) ${{C}_{6}}{{H}_{5}}C{{H}_{2}}Br$

D) ${{C}_{2}}{{H}_{5}}Br$

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• question_answer88) Which one of the following is the structure of 4-nitropropiophenone?

A)

B)

C)

D)

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• question_answer89) Diethyl ketone $(C{{H}_{3}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{3}})$ and acetone can be distinguished by

A) Tollenstest

B) sodium bisulphite tes

C) sodium test

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

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• question_answer90) In the following reaction, reagent X will be${{C}_{6}}{{H}_{5}}COONa\xrightarrow{X,\Delta }{{C}_{6}}{{H}_{6}}$

A) soda lime

B) $NaOH$

C) $KMn{{O}_{4}}$

D) $N{{a}_{2}}C{{O}_{3}}$

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• question_answer91) Phenol $\xrightarrow{X}$ forms a tribromo derivative. X is

A) bromine in benzene

B) bromine in water

C) $KBr$ solution

D) $B{{r}_{2}}$ in $CC{{l}_{4}}$ at ${{0}^{o}}C$

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• question_answer92) $C{{H}_{3}}O{{C}_{2}}{{H}_{5}}$ and ${{(C{{H}_{3}})}_{3}}COC{{H}_{3}}$ are treated with $HI$. The fragments after reaction obtained are

A) $C{{H}_{3}}l+{{C}_{2}}{{H}_{5}}OH;\,{{(C{{H}_{3}})}_{3}}C-l+C{{H}_{3}}OH$

B) $C{{H}_{3}}OH+{{C}_{2}}{{H}_{5}}l;\,{{(C{{H}_{3}})}_{3}}C-OH+C{{H}_{2}}l$

C) $C{{H}_{3}}l+{{C}_{2}}{{H}_{5}}OH;\,C{{H}_{3}}l+{{(C{{H}_{3}})}_{3}}C-OH$

D) $C{{H}_{3}}OH+{{C}_{2}}{{H}_{5}}l;{{(C{{H}_{3}})}_{3}}C-l+C{{H}_{3}}OH$

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• question_answer93) Chloromethane on treatment with excess of $N{{H}_{3}}$ yields mainly

A) N,N-dimethylmethanamine

B) N-methylmethanamine

C) methanamine

D) mixture containing all these in equal proportion

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• question_answer94) The most stable complex among the following is

A) ${{K}_{3}}[Al{{({{C}_{2}}{{O}_{4}})}_{3}}]$

B) $[Ag{{(N{{H}_{3}})}_{2}}]Cl$

C) ${{K}_{2}}[Ni(EDTA)]$

D) $[Pt{{(en)}_{2}}]C{{l}_{2}}$

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• question_answer95) Formation of interstitial compounds makes the transition metal

A) more soft

B) more ductile

C) more metallic

D) more hard and brittle

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• question_answer96) Although Zr belongs to 4rf-transition series and Hf to 5rf-transition series even then they show similar physical and chemical properties because

A) both have same number of electrons

B) both have similar atomic radius

C) both belong to d-block

D) both belong to the same group of the periodic table

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• question_answer97) Which one of the following orders are not correct as per the properties mentioned against each?

A) ${{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}$ Bond dissociation enthalpy

B) ${{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Se>{{H}_{2}}Te$ Thermal stability

C) $S{{O}_{2}}>{{P}_{2}}{{O}_{3}}>A{{s}_{2}}{{O}_{3}}>Si{{O}_{2}}$ Acid strength

D) $F>Cl>O>S$ More negative electron gain enthalpy

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• question_answer98) Which one of the following statement is wrong about $Cl{{O}_{2}}$?

A) Central atom $Cl$ is $s{{p}^{2}}$ hybridized

B) $O-Cl-O$bond angle is 118?

C) $Cl-O$ bond has appreciable double bond character due to $p\pi -d\pi$ bonding

D) It is diamagnetic

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• question_answer99) Number of lone pairs of electrons on $Xe$ atoms in $Xe{{F}_{2}}$, $Xe{{F}_{4}}$, $Xe{{F}_{6}}$ and $Xe{{O}_{4}}$ molecules are respectively

A) $3,2,\text{ }1,0$

B) $1,3,2,0$

C) $0,2,3,1$

D) $3,2,0,1$

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• question_answer100) Treatment of hydroxyl amine $(N{{H}_{2}}OH)$ with an excess of $Fe(III)$results in the formation of $NgO$ and an equivalent amount of $Fe(II)$. $2N{{H}_{2}}OH+4F{{e}^{3+}}\xrightarrow{{}}{{N}_{2}}O(g)+4F{{e}^{2+}}$$+4{{H}^{+}}+{{H}_{2}}O$Calculate the molar concentration of an $N{{H}_{2}}OH$solution if $Fe(II)$ produced from 50 mL solution required 23.61 mL of $0.0217M$ ${{K}_{2}}C{{r}_{2}}{{O}_{7}}$

A) $0.0307\text{ }M$

B) $0.0316M$

C) $0.1431\text{ }M$

D) $0.1448M$

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• question_answer101) Which of the following animal has become extinct after death of last representative in 1994 in Delhi zoo?

A) Raphus cuculatus

B) Panthera leopersica

C) Macaca silenus

D) Cheetah

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• question_answer102) A person is smoking in a public place. What is added by him in environment?

A) Carbon dioxide

B) Carbon monoxide

C) Smoking causes pollution

D) All of the above

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• question_answer103) Unloading of oxygen from haemoglobin at the site of diffusion is facillated by

A) higher pH of blood

B) partial pressure of ${{O}_{2}}$ and $C{{O}_{2}}$

C) low temperature in lungs and higher temperature in diffusion

D) All of the above

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• question_answer104) Blood does not transport oxygen in

A) earthworm

B) pigeon

C) cockroach

D) hirudinaria

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• question_answer105) Diphtheria is caused by

A) poisons released by a living bacterial cells into host tissues

B) poisons released by a dead bacterial cells into host tissues

C) poisons released by virus into host tissues

D) None of the above

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• question_answer106) The nature of sebaceous gland, present in dermis of magority of the mammals are

A) holocrine

B) apocrine

C) merocrine

D) Both (a) and (b)

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• question_answer107) Mammary glands are modified form of

A) sebaceous gland

B) sweat gland

C) meibomian glands

D) ceruminous glands

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• question_answer108) The most abundant minerals in body of vertebrates are

A) $Ca$

B) $K$ and $Cl$

C) ${{K}^{+}}$and $P{{O}_{4}}$

D) $Ca$ and P

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• question_answer109) Choose the correct statements from the followings

A) Tsar or Tussor silk is obtained by Bombay mori

B) Wucheria lbacrofti is digenetic nematodes viviparous

C) Leishmania a protozoan causes African sleeping sickness

D) World heart day is celebrated on last Sunday of October

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• question_answer110) Which one is/are a living fossils as well as a connecting link between pisces and amphibians?

A) Tuatara

B) Lung fish

C) Latimeria

D) Both (a) and (b)

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• question_answer111) Foramen obturator is present between

A) ileum and ischium

B) ischium and pubis

C) ischium and sacrum

D) ileum and pubis

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• question_answer112) Who has proposed the sol gel theory for amoeboid movement explanation?

A) Pantin

B) Goldacre and love

C) Hyman

D) Mast

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• question_answer113) Match correctly the entities of column with column II and choose the correct option from codes given below.

 Column I Column II A. ${{M}_{13}}$ bacteriophage 1. d/s RNA B. Rice dwarf virus 2. ss RNA C. Cauliflower mosaic Virus 3. Ss DNA D. Polio Virus 4. ds DNA
Codes

A) A-3 A-1 A-4 A-2

B) B-1 B-3 B-4 B-2

C) C-3 C-4 C-1 C-2

D) C-3 C-1 C-2 C-4

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• question_answer114) Which one is a nuisance for swimmer/bather and belong to class-Hydrozoa?

A) Aurelia

B) Physalia

C) Halistema

D) Obelia

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• question_answer115) Which one set is match correctly regarding phylum class and example?

A) Protozoa-Mastigophora-Entemoeba

B) Arthopoda-Diplopoda-Scolopendra

C) Chordata -Cyclostoma-phrynosoma

D) Mollusca-Bivalvia-Pinctada

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• question_answer116) Match the following with reference to common earthworm

 Column I Column II A. Nephridiophores 1. 26th to 95th segments B. Exonephric nephridia 2. 10th segment C. Stomach 3. 3rd segment to last. Segment D. Testes 4. 200-250 E. Typhlosole 5. 9th to 14th segment
Codes

A) A-3 A-4 A-5 A-2 A-1

B) B-4 B-3 B-5 B-2 B-1

C) C-3 C-4 C-1 C-2 C-5

D) D-3 D-4 D-5 D-2 D-1

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• question_answer117) 2n the life cycle (asexual) of Plasmodium 7, 2nd and 3rd phase takes places in

A) RBCs of man

B) Liver and RBCs of host

C) Liver of the host

D) Alimentry canal of mosquito

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• question_answer118) Largest protozoan fossil is .......... a fossil foraminifer, and species Entamoeba histolytica was established by .........

A) Noctiluca and Leidy (1879)

B) Noctiluca and Jenning (1904)

C) Nummulites and Schaudinn (1903)

D) Nummulites and L-Muller

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• question_answer119) Go through the following statement regarding invertebrates. Choose true and false and answer appropriate option.

 I. Germ layers are always three in higher invertebrates. II. Leidy (1879) described Amoeba proteus. III. Amoeba is said to naked because it has no body covering.

A) All are true

B) All statement are false

C) Statement I and III are true

D) Statement I and II and true

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• question_answer120) Occurance of an algae in body wall of Hydra and of the cellulose digesting protozoans in termites gut is an example of

A) A food chain involving a parasite

B) predation

C) Commensalism

D) Mutualism

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• question_answer121) Open type of nephridia in south Indian earthwarm are

A) mega

B) micro

C) pharyngeal

D) None of these

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• question_answer122) Ants belong to order

A) Lepidoptera

B) Rhizopoda

C) Arthropoda

D) Hymenoptera

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• question_answer123) The rate of erythropoiesis is controlled by

A) an enzyme

B) a hormone

C) hypothalamys

D) spleen

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• question_answer124) A bone is distinguished from cartilage by the presence of

A) blood vessels

B) lymph vessels

C) haverisian canals

D) collagen proteins

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• question_answer125) Bone of patella is an example of

A) cartilagenous bone

B) dermal bone

C) spongy bone

D) sesamoid bone

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• question_answer126) Which cell organelle show polymorphism?

A) Lysosomes

B) Ribosomes

C) Peroxisomes

D) Endoplasmic reticulum

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• question_answer127) Animal cell lacking nucleus would also lack in

A) chromosomes

B) ribosomes

C) centrioles

D) lysosomes

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• question_answer128) Which one of the cell organelle does not contain its own DNA, however is able to replicate?

A) Ribosomes

B) Centrioles

C) Nucleolus

D) Peroxysomes

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• question_answer129) Which of the two enzyme are used in laundry and kitchen to wash clothes and dishes respectively?

A) Lipases and proteases

B) Amylase and lipase

C) Proteases and amylases

D) Proteases and lipases

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• question_answer130) Protective structure like nails hoofs, hairs and horns in mammals are produced in and derivative of

A) stratum granulosum and epidermis

B) stratum corneum and epidermal derivatives

C) stratum Malpighi and epidermis

D) stratum lucidum and epidermal derivatives

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• question_answer131) Cyclosporin and endosporin are drugs which are used as

A) immuno modulators

B) anti-retroviral drugs

C) immuo-suppresants

D) Immuno vaccines

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• question_answer132) How antigen is bound to antibody?

A) By electrostatic interaction

B) By civalent bonds

C) By disulphide bridge

D) By amide formation

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• question_answer133) Which is the correct sequence in development of human being?

A) Fertilisation, zygote cleavage, morula, gastrula

B) Fertilisation, zygote cleavage, morula, blastula gastrula

C) Zygote, morula, blastula, cell differentiation

D) Fertilisation, cleavage, gastrula, morula blastula

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• question_answer134) How many secondary spermatocytes will form 400 spermatoza?

A) 400

B) 40

C) 200

D) 100

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• question_answer135) From which layer of embryo do the liver and pancreas develop?

A) Ectoderm

B) Mesoderm

C) Endoderm

D) Both (a) and (b)

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• question_answer136) Which animals (mammals) contain more amount of yolk then cytoplasm in their eggs?

A) Placenta! mammals

B) Aquatic mammals

C) All eutherians

D) Prototherians

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• question_answer137) How morula is distinguished from blastula?

A) Absence of yolk

B) Presence of cavity

C) Absence of cavity

D) Presence of more amount of yolk

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• question_answer138) The branch of zoology which is associated with the studies of abnormal embroyonic development is known as

A) amniocentasis

B) teratology

C) embryology

D) gerontology

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• question_answer139) Which one of the following bone is also said to be a funny bone?

A) Humerus

B) Radius

C) Ulna

D) Both (a) and (b)

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• question_answer140) Which type of synovial joint is absent in frog but is responsible for movement of thumb in many direct in mammals?

A) Pivot joint

B) Saddle joint

C) Ball and socket joint

D) Condyloid joint

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• question_answer141) Long neck of camel is because of

A) muscle between two vertebrae

B) increase in length of cervical vertebrae,

C) bony plate between two vertebrae

D) All of the above

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• question_answer142) A couple is normal vision but their parents were colour blind. What is the probability of their first daughter to be colour blind?

A) 25%

B) 50%

C) 75%

D) 0%

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• question_answer143) A person meet with a severe road accident and immediately is in need of blood transfusion. But there is no time to analyse the blood group of victim which is the safe transfer blood of group?

A) $OR\overline{h}$

B) $O.R{{h}^{+}}$

C) Both (a) and (b)

D) AB. $R{{h}^{+}}$

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• question_answer144) Detection of blood group is done by agglutinisation test using antiserum, according to the test

A) If the blood shows coagulation with antiserum B, the blood group is B

B) If the blood show coagulation with both antiserum A and B, the blood group is O

C) If the blood show coagulation with antiserum A the blood group is AB

D) None of the above

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• question_answer145) Who was/were the pioneer worker/workers on polygenic inheritance?

A) SK Davenport on skin colour in man

B) Joseph Kolreutar on tobacco plant

C) F Galton on human being

D) Both (a) and (b)

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• question_answer146) Multiple allelism control inheritance of

A) sickle-cell anaemia

B) colour blind

C) blood group

D) phenylketonuria

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• question_answer147) Darwin theory of Natural selection was based upon

A) Malthus idea of population

B) Mutations

C) Struggle for existence

D) Inheritance of acquired characters

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• question_answer148) Lungs of rabbit and gills of rohu are example of

A) analogous organ

B) homologous organ

C) Both (a) and (b)

D) None of these

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• question_answer149) Species occuring in different geographical areas are called as

A) sibling

B) sympatric

C) allopatric

D) neopatric

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• question_answer150) Three bones scapula, clavicle and coracoid enclose and meet at

A) foramen of triosseum

B) foramen of rotunda

C) foramen of spinosum

D) foramen obturator

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• question_answer151) Fluid mosaic model of plasma membrane was proposed by

A) SJ Singer and GL Nicholson 1972

B) SK Singer and JL Nicholson in 1982

C) G Nicholson and N Daniel 1892

D) SJ Singer and N Daniel in 1972

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• question_answer152) What is HLA?

A) Group of polypeptides

B) Group of genes

C) Group of chromosomes

D) Group of proteins

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• question_answer153) ${{C}_{{{4}^{-}}}}$plants show an advantage over ${{C}_{{{3}^{-}}}}$-plants when the whether is

A) dry

B) cold and dry

C) hot and dry

D) hot and wet

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• question_answer154) Black foot disease is caused by contaminated ground water with excess of

A) fluoride

B) arsenic

C) cadmium

D) mercury

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• question_answer155) Who is regarded as father of Indian Bryology?

A) KC Mehta

B) VK Kashyap

C) SR Kashyap

D) RN Singh

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• question_answer156) Select a set of correct matching.

A) SAWaksman - Discover first antibiotics effective against tuberculosis

B) Ochoa and - They got Noble Prized for Kornberg giving structure of RNA

C) Nirenberg - In vitro synthesis of nucleic acid

D) Fisher and - Noble Prize in peace for Krebs developing for developing disease resistant varities of wheat

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• question_answer157) Amphibious hydrophyte are

A) Helcephytes

B) Limnophytes

C) Helophytes

D) Halophytes

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• question_answer158) Match entities of column I with column II correctly.

 Column I Column II A. George Button 1. Snakes of India B. Archibald Garrod 2. Natural History C. PJ Deoras 3. Tigor! Tigor! D. Kailash Sankhala 4. In born error of metabolism
Codes

A) A-2 A-4 A-3 A-1

B) B-2 B-4 B-1 B-3

C) C-2 C-3 C-4 C-1

D) D-2 D-1 D-4 D-3

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• question_answer159) Which is a source of anticancer drug?

A) Tagetes

B) Tamarix

C) Thea

D) Taxus

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• question_answer160) Term (hybrid vigour) was coined by

A) Boweri

B) MS Swaminathan

C) GSShull

D) Barbara McClintock

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• question_answer161) Which of the following taxonomist described classification of plant in families of flowering plant?

A) Eichler

B) Hutchinson

C) Thakhtagan

D) Benson

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• question_answer162) A free living nitrogen fixing blue-green algae which also form a symbiotic association with a pteridophyte

A) Anabaena

B) Chlorella

C) Nostoc

D) Tolypothrix

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• question_answer163) Which one of the following statement define accurately can plasmid?

A) Bacteria

B) Extra chromosomal DNA in bacteria

C) An extrachromosomal DNA is bacterial cell which can replicate independently

D) occur in bacteria and can replicate independently

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• question_answer164) Which pigment is responsible for photoperiodic change in plants?

A) Chlorophyll

B) Phytochrome

C) Cytochrome

D) Anthocynin

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• question_answer165) Opening of flower buds into flower is a type of

A) Nastic movement

B) Hyponasty movement

C) Epinastic movement

D) Autonomic movement of growth

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• question_answer166) The pollen grains are librated in Cassytha by

A) Poruous dehiscence

B) Longitudinal dehiscence

C) Transverse dehiscence

D) Valvular dehiscence

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• question_answer167) Identify the characters with reference for the plant in which eight nucleated embryo sac was first studied by Strasburger

 I. Micropyle, chalaza and funiculus are arranged in same vertical line in a ovule II. Presence of both unisexual and bisexual flowers in same plant. III. Fill form apparatus facilitates conduction of food from endosperm to egg apparatus.

A) I and II

B) Only I

C) II and III

D) Only II

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• question_answer168) Go through the following statements regarding a gymnosperm Pinus. Choose characteristic when does not occur in genus

A) The Pinus is homosporous gymnosperm, i.e., produce same type of spores.

B) The number of needles in spur of Pinus roxburghii is three

C) Each vascular bundle in the long shoot of Pinus consists of xylem facing towards the centre of the shoot

D) Microsporophyll of Pinus bear two micro sporangia

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• question_answer169) Which one of the following set of genera belong to same class?

A) Chara, Fucus, Polysiphonia

B) Porphyra, Ectocarpus, Ulothrix

C) Sargassum, Laminaria, Geliduim

D) Volvox, Spirogyra, Chlamydomonas

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• question_answer170) Given below statements are concerned with sporophyte of a non-vascular plant. Choose correct statement

A) Sporophyte is partially parasite on gametophyte

B) Sporophyte produces spore/gametes that give rise gametophyte

C) It arises form a spore produced from the gametophyte

D) It manufacture/synthesis food for itself as well for the gametophytes

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• question_answer171) Venation in fern is

A) circinate venation

B) reticulate venation

C) parallel venation

D) None of these

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• question_answer172) Which of the following two characters are shared by Cycas and Pteris? Choose correct option from codes given below.

 I. Formation of motile gametes. II. Formation of haploid endosperm. III. Formation of sporophyte directly from gametophyte without gametic union. IV. Formation of archegonia in female gametophyte.

A) I and IV

B) I and III

C) II and IV

D) III and IV

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• question_answer173) Arrange the following four zone in roots in chronological sequence from apex to base.

 I. Mineral absorption zone. II. Meristemetic zone. III. Maturation zone. IV. Water absorption zone.

A) IV, III, II and I

B) II, IV, I and III

C) I, II, IV and III

D) II III, IV and I

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• question_answer174) Sub aerial stem modification with long internode is

A) phyllode

B) phylloclade

C) Runner

D) Twinner

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• question_answer175) Modification of petiole into leaf like structure is called

A) phylloclade

B) phyllode

C) pistillode

D) cladode

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• question_answer176) Spadix and hypanthodium inflorescences

A) mulberry and banana

B) banana and coriander

C) Ficus and banana

D) banana and Ficus

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• question_answer177) In the flower of a plant, the ovarian part is fused, but style and stigma are free, its ovary becomes unilocular due to break down of partition wall and the ovules are attached to a central axis. The feature belongs to

A) abutilon

B) nymphaea

C) dianthus

D) michellis

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• question_answer178) The condition in which gynoecium occupy topmost position of thalamus, the flower is

A) inferior

B) epigynous

C) perigynous

D) hypogynous

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• question_answer179) Germination of seed inside fruit is a peculiar characteristic

A) mangrooves/ halophytes

B) mesophytes

C) xerophytes

D) emergant hydrophytes

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• question_answer180) Parachute mechanism of seed and fruit dispersal is characteristic feature of family

A) Leguminosae

B) Compositae

C) Malvaceae

D) Caryophyllaceae

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• question_answer181) Assertion The transport of water is more efficient in angiosperm because their xylem possess vessels. Reson (R) Conduction of water by vessel element is an passive process thus no energy is needed in the process.

A) Both A and R true and R is correct explanation

B) Both A and R are true, but R is not correct explanation of A

C) A is true, but R is false

D) Both A and R are false

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• question_answer182) Which one is correct in chronological sequence regarding anatomy of roots?

A) Cortex, epiblema, pericycle, endodermis

B) Cortex, epiblema, endodermis, epidermis

C) Epiblema, cortex, endodermis, pericycles

D) Epiblema, cortex, pericycle, endodermis

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• question_answer183) A bicollateral vascular bundle (tissue) has the following arrangement of tissues

A) outer phloem $\to$ outer xylem $\to$ middle cambium inner cambium $\to$ inner xylem$\to$ inner phloem

B) outer phloem$\to$ outer cambium $\to$ middle xylem inner cambium $\to$ inner phloem

C) outer xylem $\to$ outer cambium $\to$ middle phloem inner cambium $\to$ inner xylem

D) outer cambium $\to$ outer phloem $\to$ middle xylem inner phloem $\to$ inner cambium

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• question_answer184) Chronological sequence of cellular layers from the periphery towards the cortex in an old dicot stem is

A) epidermis, hypodermis, cortex, endodermis

B) epidermis, phellem, phellogen, phelloderm

C) epidermis, hypodermis, phellogen, phelloderm

D) epidermis, phellogen, phellem, endodermis

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• question_answer185) Glyoxysomes are akin to peroxisomes. These contain specific enzymes which convert

A) protein into peptones

B) fats into fatty acids

C) fats into sugars

D) glucose into $C{{O}_{2}}$ and ${{H}_{2}}O$

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• question_answer186) Meiosis involves two cell division, the first of which is heterotypic division, the second cell division is

A) direct cell division

B) reduction cell division

C) homoeotypic cell division

D) Both (a) and (b)

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• question_answer187) During meiosis cell division chromosome first appear duplicated, at this stage each bivalent is bettar reffered as

A) chromatid

B) tetraxon

C) tetrad

D) tetraploid

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• question_answer188) Transpiration rate in Sorghum is comparatively higher than maize. This is due to

A) increased shoot/root ratio

B) increased rate of respiratory quotient

C) increased rate of photosynthesis

D) decreased root/shoot ratio

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• question_answer189) Assertion Halophytes survive in saline habitats by maintaining low internal $N{{a}^{+}}$ levels. Reason (R) Salt resistant plant get rid off excess $N{{a}^{+}}$ by ATP energised antiporter.

A) Both A and R true and R is correct explanation of A

B) Both A and R are true, but R is not correct explanation of A

C) A is true, but R is false

D) Both A and R are false

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• question_answer190) Match the words in column I with phrases in column II. Choose the correct combination from the given option.

 Column I Column II A. Sulphur 1. Found in plant hormone B. Zink 2. Important component for animals C. Magnesium 3. Found in amino acid like methionine D. Iodine 4. Component of sugar E. Manganese 5. Nitrogenous component F. Molybdenum 6. Structural component of photosynthetic pigment
Codes

A) A-3 A-1 A-6 A-2 A-4 A-5

B) B-5 B-1 B-6 B-2 B-5 B-4

C) C-5 C-6 C-1 C-2 C-4 C-5

D) D-3 D-1 D-2 D-6 D-4 D-5

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• question_answer191) Which is the most efficient free nitrogen fixer cyanobacterium in field of rice?

A) Nostoc

B) Tolypothrix

C) Aulosira

D) Anabaena

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• question_answer192) Chlorophyll-a and chlorophyll-6 are different in having

A) chlorophyll-a has an ethyl group and chlorophyll-b has an aldehyde group in position x.

B) chlorophyll-a has a carboxyl gourp and chlorophyll-b has an aldehyde group in position x

C) chlorophyll-a has an aldehyde group and chlorophyli-o has a methyl group in position x

D) chlorophyll-a has a methyl group and chlorophyll-D has aldehyde group in position x

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• question_answer193) Which one of the following protein/ enzyme is maximum in chloroplast?

A) Nuclease

B) Phosphatase

C) Hexokinase

D) Ribulose diphosphate carboxylase

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• question_answer194) Respiratory quotient of oxalic acid is

A) 1.5

B) 1.0

C) 4

D) 0.7

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• question_answer195) Cry II Ab and Cry I Ab produce toxin that control

A) cotton bollworms and corn borer respectively

B) corn borer and tobacco budworms respectively

C) Tobacco bud worms and nematodes respectively

D) nematodes and tobacco budworms respectively

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• question_answer196) How many biosphere reserve were notified in India, under MAB programme in 1971?

A) 16

B) 9

C) 8

D) 12

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• question_answer197) The concept of ecological pyramids were proposed by

A) Odum

B) Reiter

C) Charles EIton

D) Koestler

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• question_answer198) The percentage of forest cover recommanded by the National Forest Policy (1988) is

A) 23% of plains and 77% for hills

B) 77% of plains and 23% for hills

C) 67% for hills and 33% for plains

D) 33% for hills and 67% for plains

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• question_answer199) Cellulose is composed of

A) unbranched chain of glucose molecule linked by $\beta$-1,4 glycosidic bond

B) unbranched chain of glucose molecule linked by $\alpha$-1.6 glycosidic bond

C) branched chain of glucose molecule linked by $\alpha$-1, 4 glycosidic bond in straight chain and $\beta$-1, 6 glycosidic bond at the site of branhing

D) branched chain of glucose molecule linked by $\alpha$-1, 6 glycosidic bond in straight chain and $\beta$-1, 4 glycosidic bond at the site of branching

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• question_answer200) Aconite is obtained from

A) stem

B) leaves

C) tuberous root

D) dried leaves and seeds

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