Download Our Android App

Google Play

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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[9.9\times {{10}^{-7}}kg\]

    View Answer play_arrow
  • 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) \[50s\]

    View Answer play_arrow
  • 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) \[\frac{L}{2}\]

    View Answer play_arrow
  • 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) \[\propto {{\text{x}}^{1/2}}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[\frac{4g}{5{{v}^{2}}}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[1200N\]

    View Answer play_arrow
  • 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) \[\frac{{{p}^{2}}{{t}^{2}}}{2m}\]

    View Answer play_arrow
  • 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) \[\mu \,mgcos\theta -mg\sin \theta \]

    View Answer play_arrow
  • 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) \[\frac{m{{L}^{2}}}{6}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[\rho \]

    View Answer play_arrow
  • 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) \[{{40}^{o}}C\]

    View Answer play_arrow
  • 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) \[996\text{ }J\]

    View Answer play_arrow
  • 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) \[{{y}_{1}}=0.1\sin \left( 1\omega \pi t+\frac{\pi }{3} \right)\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[1:3:5\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[{{(Kg)}^{2}}\]

    View Answer play_arrow
  • 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) \[\mathbf{F}\Delta t=m\Delta \mathbf{v}\]

    View Answer play_arrow
  • 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) \[2\sqrt{2}\]

    View Answer play_arrow
  • 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) \[30m\]

    View Answer play_arrow
  • 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) \[\frac{qQ}{4\pi {{\varepsilon }_{0}}{{r}^{2}}}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[({{n}_{1}})\]

    View Answer play_arrow
  • 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) \[5land\,\,l\]

    View Answer play_arrow
  • 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) \[_{54}^{136}X\]

    View Answer play_arrow
  • 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) \[0.36\times {{10}^{15}}Hz\]

    View Answer play_arrow
  • 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) \[{{20}^{o}}C\]

    View Answer play_arrow
  • 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) \[4.62\times {{10}^{-2}}\]

    View Answer play_arrow
  • 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) \[2A\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[100s\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[\propto {{\text{x}}^{1/2}}\]

    View Answer play_arrow
  • 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) \[\frac{{{v}^{2}}}{g}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[\frac{2m{{L}^{2}}}{3}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[\frac{2}{3}\]

    View Answer play_arrow
  • 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) \[{{H}_{2}}{{S}_{2}}{{O}_{8}}\]

    View Answer play_arrow
  • question_answer52) The pH of a \[1.0\times {{10}^{-8}}M\] solution of \[HCl\] is

    A) \[6\]

    B) \[7\]

    C) \[8\]

    D) \[6.98\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer54) Which of the following compound is aromatic?

    A)

    B)

    C)

    D) All of these

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[8.95\]

    View Answer play_arrow
  • 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) \[6,4,12\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer61) White lead is

    A) \[PbO\]

    B) \[P{{b}_{3}}{{O}_{4}}\]

    C) \[2PbC{{O}_{3}}.Pb{{(OH)}_{2}}\]

    D) \[Pb{{(C{{H}_{3}}COO)}_{2}}.Pb{{(OH)}_{2}}\]

    View Answer play_arrow
  • question_answer62) Electronic configuration of hydride ion is

    A) \[1{{s}^{0}}\]

    B) \[1{{s}^{1}}\]

    C) \[1{{s}^{2}}\]

    D) \[1{{s}^{1}}.2{{s}^{1}}\]

    View Answer play_arrow
  • 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) \[43.4nm\]

    View Answer play_arrow
  • 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) \[{{10}^{-3}}{{N}_{A}}\]

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

    A) \[{{O}_{3}}\]

    B) \[NO_{2}^{-}\]

    C) \[NO_{2}^{+}\]

    D) \[S{{O}_{2}}\]

    View Answer play_arrow
  • question_answer66) Hydrogen bond is not present in

    A) methanol

    B) glycerol

    C) water

    D) hydrogen sulphide

    View Answer play_arrow
  • 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) \[A>C>B\]

    View Answer play_arrow
  • 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) \[\Delta H=-ve,\,\Delta S=-ve\]

    View Answer play_arrow
  • 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) \[\frac{3x}{2}\,kJ\]

    View Answer play_arrow
  • 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) \[Na,Li,Be,B\]

    View Answer play_arrow
  • question_answer71) Ethyl benzene with bromine in the presence of \[FeB{{r}_{3}}\], predominantly gives

    A)

    B)

    C)

    D)

    View Answer play_arrow
  • 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) \[4\]

    View Answer play_arrow
  • 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) \[0.930\]

    View Answer play_arrow
  • 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) \[562.42\text{ }g\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[0.005M\text{ }KCl\]

    View Answer play_arrow
  • 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

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

    A) coagulation

    B) adsorption

    C) peptisation

    D) protective action

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[+4.67\times {{10}^{7}}J\]

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

    A) Sodium stearate

    B) Sodium benzoate

    C) Sodium sulphate

    D) Sodium thiosulphate

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

    A) Polyacrylonitrile

    B) Polymethylmethacrylate

    C) Neoprene

    D) Dacron

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

    A) Glucose

    B) Ribose

    C) Fructose

    D) Mannose

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[{{C}_{2}}{{H}_{5}}Br\]

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

    A)

    B)

    C)

    D)

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[N{{a}_{2}}C{{O}_{3}}\]

    View Answer play_arrow
  • 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 \[{{0}^{o}}C\]

    View Answer play_arrow
  • 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) \[C{{H}_{3}}OH+{{C}_{2}}{{H}_{5}}l;{{(C{{H}_{3}})}_{3}}C-l+C{{H}_{3}}OH\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[[Pt{{(en)}_{2}}]C{{l}_{2}}\]

    View Answer play_arrow
  • question_answer95) Formation of interstitial compounds makes the transition metal

    A) more soft

    B) more ductile

    C) more metallic

    D) more hard and brittle

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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) \[3,2,0,1\]

    View Answer play_arrow
  • 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) \[0.1448M\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer104) Blood does not transport oxygen in

    A) earthworm

    B) pigeon

    C) cockroach

    D) hirudinaria

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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)

    View Answer play_arrow
  • question_answer107) Mammary glands are modified form of

    A) sebaceous gland

    B) sweat gland

    C) meibomian glands

    D) ceruminous glands

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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)

    View Answer play_arrow
  • question_answer111) Foramen obturator is present between

    A) ileum and ischium

    B) ischium and pubis

    C) ischium and sacrum

    D) ileum and pubis

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

    A) Pantin

    B) Goldacre and love

    C) Hyman

    D) Mast

    View Answer play_arrow
  • 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

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

    A) Aurelia

    B) Physalia

    C) Halistema

    D) Obelia

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

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

    A) mega

    B) micro

    C) pharyngeal

    D) None of these

    View Answer play_arrow
  • question_answer122) Ants belong to order

    A) Lepidoptera

    B) Rhizopoda

    C) Arthropoda

    D) Hymenoptera

    View Answer play_arrow
  • question_answer123) The rate of erythropoiesis is controlled by

    A) an enzyme

    B) a hormone

    C) hypothalamys

    D) spleen

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

    A) blood vessels

    B) lymph vessels

    C) haverisian canals

    D) collagen proteins

    View Answer play_arrow
  • question_answer125) Bone of patella is an example of

    A) cartilagenous bone

    B) dermal bone

    C) spongy bone

    D) sesamoid bone

    View Answer play_arrow
  • question_answer126) Which cell organelle show polymorphism?

    A) Lysosomes

    B) Ribosomes

    C) Peroxisomes

    D) Endoplasmic reticulum

    View Answer play_arrow
  • question_answer127) Animal cell lacking nucleus would also lack in

    A) chromosomes

    B) ribosomes

    C) centrioles

    D) lysosomes

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer131) Cyclosporin and endosporin are drugs which are used as

    A) immuno modulators

    B) anti-retroviral drugs

    C) immuo-suppresants

    D) Immuno vaccines

    View Answer play_arrow
  • question_answer132) How antigen is bound to antibody?

    A) By electrostatic interaction

    B) By civalent bonds

    C) By disulphide bridge

    D) By amide formation

    View Answer play_arrow
  • 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

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

    A) 400

    B) 40

    C) 200

    D) 100

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

    A) Ectoderm

    B) Mesoderm

    C) Endoderm

    D) Both (a) and (b)

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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)

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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%

    View Answer play_arrow
  • 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. \[R{{h}^{+}}\]

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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)

    View Answer play_arrow
  • question_answer146) Multiple allelism control inheritance of

    A) sickle-cell anaemia

    B) colour blind

    C) blood group

    D) phenylketonuria

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

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

    A) sibling

    B) sympatric

    C) allopatric

    D) neopatric

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer152) What is HLA?

    A) Group of polypeptides

    B) Group of genes

    C) Group of chromosomes

    D) Group of proteins

    View Answer play_arrow
  • 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

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

    A) fluoride

    B) arsenic

    C) cadmium

    D) mercury

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

    A) KC Mehta

    B) VK Kashyap

    C) SR Kashyap

    D) RN Singh

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer157) Amphibious hydrophyte are

    A) Helcephytes

    B) Limnophytes

    C) Helophytes

    D) Halophytes

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer159) Which is a source of anticancer drug?

    A) Tagetes

    B) Tamarix

    C) Thea

    D) Taxus

    View Answer play_arrow
  • question_answer160) Term (hybrid vigour) was coined by

    A) Boweri

    B) MS Swaminathan

    C) GSShull

    D) Barbara McClintock

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

    A) Eichler

    B) Hutchinson

    C) Thakhtagan

    D) Benson

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

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

    A) Chlorophyll

    B) Phytochrome

    C) Cytochrome

    D) Anthocynin

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer166) The pollen grains are librated in Cassytha by

    A) Poruous dehiscence

    B) Longitudinal dehiscence

    C) Transverse dehiscence

    D) Valvular dehiscence

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer171) Venation in fern is

    A) circinate venation

    B) reticulate venation

    C) parallel venation

    D) None of these

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer174) Sub aerial stem modification with long internode is

    A) phyllode

    B) phylloclade

    C) Runner

    D) Twinner

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

    A) phylloclade

    B) phyllode

    C) pistillode

    D) cladode

    View Answer play_arrow
  • question_answer176) Spadix and hypanthodium inflorescences

    A) mulberry and banana

    B) banana and coriander

    C) Ficus and banana

    D) banana and Ficus

    View Answer play_arrow
  • 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

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

    A) inferior

    B) epigynous

    C) perigynous

    D) hypogynous

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

    A) mangrooves/ halophytes

    B) mesophytes

    C) xerophytes

    D) emergant hydrophytes

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

    A) Leguminosae

    B) Compositae

    C) Malvaceae

    D) Caryophyllaceae

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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 \[{{H}_{2}}O\]

    View Answer play_arrow
  • 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)

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

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

    A) Nostoc

    B) Tolypothrix

    C) Aulosira

    D) Anabaena

    View Answer play_arrow
  • 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

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

    A) Nuclease

    B) Phosphatase

    C) Hexokinase

    D) Ribulose diphosphate carboxylase

    View Answer play_arrow
  • question_answer194) Respiratory quotient of oxalic acid is

    A) 1.5

    B) 1.0

    C) 4

    D) 0.7

    View Answer play_arrow
  • 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

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

    A) 16

    B) 9

    C) 8

    D) 12

    View Answer play_arrow
  • question_answer197) The concept of ecological pyramids were proposed by

    A) Odum

    B) Reiter

    C) Charles EIton

    D) Koestler

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • 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

    View Answer play_arrow
  • question_answer200) Aconite is obtained from

    A) stem

    B) leaves

    C) tuberous root

    D) dried leaves and seeds

    View Answer play_arrow

   



LIMITED OFFER HURRY UP! OFFER AVAILABLE ON ALL MATERIAL TILL TODAY ONLY!

You need to login to perform this action.
You will be redirected in 3 sec spinner

Free
Videos