Solved papers for Punjab Medical Punjab - MET Solved Paper-2006

done Punjab - MET Solved Paper-2006

  • question_answer1) Core of a transformer is made up of:

    A) soft iron

    B) steel

    C) iron

    D) alnico

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  • question_answer2) Transformer is based upon the principle of:

    A) self-induction

    B) mutual induction

    C) eddy current

    D) none of these

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  • question_answer3) Refractive index of material is equal to tangent of polarising angle. It is called:

    A) Brewsters law

    B) Lamberts law

    C) Malus law

    D) Braggs law

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  • question_answer4) A car accelerates from rest at constant rate for first \[10\,\,s\] and covers a distance\[x\]. It covers a distance \[y\] in next \[10\,\,s\] at the same acceleration. Which of the following is true?

    A) \[x=3y\]

    B) \[y=3x\]

    C) \[x=y\]

    D) \[y=2x\]

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  • question_answer5) The horizontal range of a projectile is\[400m\]. The maximum height attained by it will be:

    A) \[100m\]

    B) \[200m\]

    C) \[400m\]

    D) \[800m\]

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  • question_answer6) What determines the nature of the path followed by the particle?

    A) Speed

    B) Velocity

    C) Acceleration

    D) None of these

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  • question_answer7) Which of the following is not an example of perfectly inelastic collision?

    A) A bullet fired into a block if bullet gets embedded into block

    B) Capture of electrons by an atom

    C) A man jumping on to a moving boat

    D) A ball bearing striking another ball bearing

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  • question_answer8) The length of seconds pendulum is \[1\,\,m\] on earth. If mass and diameter of a planet is doubled than that of earth, then its length becomes:

    A) \[1\,\,m\]

    B) \[2\,\,m\]

    C) \[0.5\,\,m\]

    D) \[4\,\,m\]

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  • question_answer9) Why the dam of water reservoir is thick at the bottom?

    A) Quantity of water increases with depth

    B) Density of water increases with depth

    C) Pressure of water increases with depth

    D) Temperature of water increases with depth

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  • question_answer10) A hot and a cold body are kept in vacuum separated from each other. Which of the following causes decrease in temperature of the hot body?

    A) Radiation

    B) Convection

    C) Conduction

    D) Temperature remains unchanged

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  • question_answer11) When a tuning fork produces sound waves in air, which one of the following is same in the material of tuning fork as well as in air?

    A) Wavelength

    B) Frequency

    C) Velocity

    D) Amplitude

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  • question_answer12) A bomb explodes on the moon. How long will it take for the sound to reach the earth?

    A) \[10\,\,s\]

    B) \[1000\,\,s\]

    C) 1 day

    D) None of these

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  • question_answer13) What is the angle between the electric dipole moment and the electric field strength due to it on the equatorial line?

    A) \[{{0}^{o}}\]

    B) \[{{90}^{o}}\]

    C) \[{{180}^{o}}\]

    D) None of these

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  • question_answer14) Which of the following is not the property of equipotential surfaces?

    A) They do not cross each other

    B) They are concentric spheres for uniform electric field

    C) Rate of change of potential with distance on them is zero

    D) They can be imaginary spheres

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  • question_answer15) The potentials of the two plates of capacitors are \[+10V\] and\[-10V\]. The charge on one of the plates is\[40\,\,C\]. The capacitance of the capacitor is:

    A) \[2\,\,F\]

    B) \[4\,\,F\]

    C) \[0.5\,\,F\]

    D) \[0.25\,\,F\]

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  • question_answer16) To draw maximum current from a combination of cells, how should the cells be grouped?

    A) Series

    B) Parallel

    C) Mixed

    D) Depends upon the relative values of external and internal resistance

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  • question_answer17) A wire is cut into four pieces, which are put together by sides to obtain one conductor. If the original resistance of wire was\[R\], the resistance of the bundle will be:

    A) \[\frac{R}{4}\]

    B) \[\frac{R}{8}\]

    C) \[\frac{R}{16}\]

    D) \[\frac{R}{32}\]

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  • question_answer18) Which of the following is not a property of light?

    A) It requires a material medium for propagation

    B) It can travel through vacuum

    C) It involves transportation of energy

    D) It has finite speed

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  • question_answer19) Which of the following pairs can produce erect, diminished and virtual image?

    A) Concave lens and convex mirror

    B) Convex lens and convex mirror

    C) Convex lens and concave mirror

    D) Concave lens and concave mirror

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  • question_answer20) For photoelectric emission, tungsten requires light of\[2300\overset{\text{o}}{\mathop{\text{A}}}\,\]. If light of \[1800\overset{\text{o}}{\mathop{\text{A}}}\,\] wavelength is incident then emission:

    A) takes place

    B) doesnt take place

    C) may or may not take place

    D) depends on frequency

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  • question_answer21) A type kept outside in sunlight bursts off after sometime because of:

    A) increase in pressure

    B) increase in volume

    C) both (a) and (b)

    D) none of the above

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  • question_answer22) For a wire of length Z, maximum change in length under stress condition is 2 mm. What is the charge in length under same conditions when length of wire is halved?

    A) \[1mm\]

    B) \[2mm\]

    C) \[4mm\]

    D) \[8mm\]

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  • question_answer23) Air is .blown through a hole on a closed pipe containing liquid. Then, the pressure will:

    A) increase on sides

    B) increase downwards

    C) increase in all directions

    D) never increase

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  • question_answer24) Light year is a unit of:

    A) time

    B) speed

    C) distance

    D) none of these

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  • question_answer25) A semiconductor doped with a donor impurity is:

    A) \[p-\]type

    B) \[n-\]type

    C) \[n-p-n\]type

    D) \[p-n-p\]type

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  • question_answer26) A wire carrying current I and other carrying\[2I\] in the same direction produce a magnetic field B at the mid-point. What will be the field when \[2I\] wire is switched off?

    A) \[B/2\]

    B) \[2B\]

    C) \[B\]

    D) \[4B\]

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  • question_answer27) What will be energy stored in a strained wire?

    A) \[\frac{1}{2}\times load\times extension\]

    B) \[\frac{1}{2}\times stress\times strain\]

    C) \[\frac{1}{2}\times load\times strain\]

    D) \[\frac{1}{2}\times load\times stress\]

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  • question_answer28) If error in measurement of radius of sphere is\[1%\], what will be the error in measurement of volume?

    A) \[1%\]

    B) \[1/3%\]

    C) \[3%\]

    D) \[10%\]

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  • question_answer29) Minimum number of unequal vectors which can give zero resultant are:

    A) 2

    B) 3

    C) 4

    D) more than 4

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  • question_answer30) A coin is dropped in a lift. If takes time \[{{t}_{1}}\] to reach the floor when lift is stationary. It takes time \[{{t}_{2}}\] when lift is moving up with constant acceleration. Then:

    A) \[{{t}_{1}}>{{t}_{2}}\]

    B) \[{{t}_{2}}>{{t}_{1}}\]

    C) \[{{t}_{1}}={{t}_{2}}\]

    D) \[{{t}_{1}}>>{{t}_{2}}\]

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  • question_answer31) A large ship can float but a steel needle sinks because of:

    A) viscosity

    B) surface tension

    C) density

    D) none of these

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  • question_answer32) In a solenoid, if number of turns is doubled, then self-inductance will become:

    A) half

    B) double

    C) 1/4 times

    D) quadruple

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  • question_answer33) What causes change in the colours of the soap or oil films for the given beam of light?

    A) Angle of incidence

    B) Angle of reflection

    C) Thickness of film

    D) None of the above

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  • question_answer34) What happens to the fringe pattern when the Youngs double slit experiment is performed in water instead of air?

    A) Shrinks

    B) Disappear

    C) Unchanged

    D) Enlarged

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  • question_answer35) Sir C.V. Raman was awarded Nobel Prize for his work concerned with which of the following phenomena of radiation?

    A) Scattering

    B) Diffraction

    C) Interference

    D) Polarisation

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  • question_answer36) An object is placed at a distance equal to focal length of convex mirror. If the focal length of the mirror be\[f\], then the distance of the image from the pole of the mirror is:

    A) less than\[f\]

    B) equal to\[f\]

    C) more than\[f\]

    D) infinity

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  • question_answer37) Ability of the eye to see objects at all distances is called:

    A) binocular vision

    B) myopia

    C) hypermetropia

    D) accommodation

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  • question_answer38) To increase magnifying power of telescope, we should increase:

    A) the focal length of the objective

    B) the focal length of the eyepiece

    C) aperture of the objective

    D) aperture of the eyepiece

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  • question_answer39) The magnitude of saturation photoelectric current depends upon:

    A) frequency

    B) intensity

    C) work function

    D) stopping potential

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  • question_answer40) Which of the following is most unstable?

    A) Electron

    B) Proton

    C) Neutron

    D) \[\alpha -\]particle

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  • question_answer41) After \[2\,\,h\,\,\frac{1}{16}th\] of initial amount of a certain radioactive isotope remains undecided. The half-life of the isotope is:

    A) \[15\min \]

    B) \[30\min \]

    C) \[45\min \]

    D) \[60\min \]

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  • question_answer42) \[10\,\,g\]of ice at \[{{0}^{o}}C\] is mixed with \[100\,\,g\] of water at \[{{50}^{o}}C\]. What is the resultant temperature of mixture?

    A) \[{{31.2}^{o}}C\]

    B) \[{{32.8}^{o}}C\]

    C) \[{{36.7}^{o}}C\]

    D) \[{{38.2}^{o}}C\]

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  • question_answer43) An atomiser is based on the application of:

    A) Torricellis theorem

    B) Bernoullis theorem

    C) Archimedes principle

    D) principle of continuity

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  • question_answer44) Pascal-second has the dimensions of:

    A) force

    B) energy

    C) pressure

    D) coefficient of viscosity

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  • question_answer45) Consider the following equation of Bernoullis theorem \[P+\frac{1}{2}\rho {{v}^{2}}+\rho gh=K\](constant) The dimensions of \[K/P\] are same as that of which of the following?

    A) Thrust

    B) Pressure

    C) Angle

    D) Viscosity

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  • question_answer46) What effect occurs on the frequency of a pendulum if it is taken from the earths surface to deep into a mine?

    A) Increases

    B) Decreases

    C) First increases then decreases

    D) No effect

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  • question_answer47) The crystal of diamond shines due to:

    A) high density

    B) total internal reflection

    C) crystal lattice

    D) none of the above

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  • question_answer48) The volume of a cube in \[{{m}^{3}}\] is equal to the surface area of the cube in\[{{m}^{2}}\]. The volume of the cube is:

    A) \[64{{m}^{3}}\]

    B) \[216{{m}^{3}}\]

    C) \[512{{m}^{3}}\]

    D) \[196{{m}^{3}}\]

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  • question_answer49) An ice block contains a glass ball. When the ice melts within the water containing vessel, the level of water:

    A) rises

    B) falls

    C) unchanged

    D) first rises and then falls

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  • question_answer50) A beaker is completely filled with water at\[{{4}^{o}}C.\] It will overflow if:

    A) heated above\[{{4}^{o}}C\]

    B) cooled below\[{{4}^{o}}C\]

    C) both heated and cooled above and below\[{{4}^{o}}C\]respectively

    D) none of the above

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  • question_answer51) The mass of a photon with wavelength\[3.6\overset{\text{o}}{\mathop{\text{A}}}\,\]is:

    A) \[6.135\times {{10}^{-29}}kg\]

    B) \[3.60\times {{10}^{-29}}kg\]

    C) \[6.135\times {{10}^{-33}}kg\]

    D) \[3.60\times {{10}^{-27}}kg\]

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  • question_answer52) An electron with values 4, 2, -2 and +1/2 for the set of four quantum numbers \[n,\,\,l,\,\,{{m}_{l}}\] and\[s\]respectively, belongs to:

    A) \[4s\]orbital

    B) \[4p\]orbital

    C) \[4d\]orbital

    D) \[4f\]orbital

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  • question_answer53) The bond order of\[O_{2}^{+},\,\,{{O}_{2}},\,\,O_{2}^{2-}\]and\[O_{2}^{-}\]varies in the order:

    A) \[O_{2}^{+}>{{O}_{2}}>O_{2}^{2-}>O_{2}^{-}\]

    B) \[O_{2}^{2-}>O_{2}^{-}>{{O}_{2}}>O_{2}^{+}\]

    C) \[O_{2}^{+}>{{O}_{2}}>O_{2}^{-}>O_{2}^{2-}\]

    D) \[{{O}_{2}}>O_{2}^{+}>O_{2}^{-}>O_{2}^{2-}\]

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  • question_answer54) Molecular orbital electronic configuration for\[X\]anion is: \[KK*{{(\sigma 2s)}^{2}}{{(\sigma *2s)}^{2}}{{(\pi 2{{p}_{x}})}^{2}}{{(\pi 2{{p}_{y}})}^{2}}{{(\sigma 2{{p}_{z}})}^{2}}\]\[{{(\pi *2{{p}_{x}})}^{1}}\]. The anion \[X\] is:

    A) \[N_{2}^{-}\]

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

    C) \[N_{2}^{2-}\]

    D) \[O_{2}^{2-}\]

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  • question_answer55) Which of the following statements is incorrect?

    A) Pure aluminium oxide is obtained by heating aluminium hydroxide.

    B) Cryolite lowers down the melting temperature of bauxite in the electrolytic cell for extraction of aluminium.

    C) Carbonate ores are converted into oxides by roasting ore in air.

    D) Mercury cannot be produced by roasting the ore cinnabar in air.

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  • question_answer56) The relative Lewis acid character of boron trihalides is in the order:

    A) \[B{{I}_{3}}>BB{{r}_{3}}>B{{F}_{3}}>BC{{l}_{3}}\]

    B) \[B{{I}_{3}}>BB{{r}_{3}}>BC{{l}_{3}}>B{{F}_{3}}\]

    C) \[B{{F}_{3}}>BC{{l}_{3}}>BB{{r}_{3}}>B{{I}_{3}}\]

    D) \[BC{{l}_{3}}>B{{F}_{3}}>B{{I}_{3}}>BB{{r}_{3}}\]

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  • question_answer57) Which of the following metals is most reactive towards water?

    A) \[Na\]

    B) \[K\]

    C) \[Rb\]

    D) \[Cs\]

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  • question_answer58) Which of the following molecules has pentagonal bipyramidal shape?

    A) \[P{{F}_{5}}\]

    B) \[S{{F}_{6}}\]

    C) \[Xe{{F}_{6}}\]

    D) \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]

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  • question_answer59) The acidity of hydrides of \[O,\,\,S,\,\,Se,\,\,Te\] varies in the order:

    A) \[{{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Se>{{H}_{2}}Te\]

    B) \[{{H}_{2}}O<{{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te\]

    C) \[{{H}_{2}}S>{{H}_{2}}O>{{H}_{2}}Se>{{H}_{2}}Te\]

    D) \[{{H}_{2}}Se>{{H}_{2}}S>{{H}_{2}}O>{{H}_{2}}Te\]

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  • question_answer60) The stability of complexes of\[C{{u}^{2+}},\,\,N{{i}^{2+}},\,\,C{{o}^{2+}}\]and \[F{{e}^{2+}}\] varies in the order:

    A) \[C{{u}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}\]

    B) \[C{{u}^{2+}}>F{{e}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}\]

    C) \[N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}>C{{u}^{2+}}\]

    D) \[C{{u}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}\]

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  • question_answer61) Which of the following compounds is generally used for hydrogenation of alkenes?

    A) \[Ni{{(CO)}_{4}}\]

    B) \[{{[{{({{C}_{6}}{{H}_{5}})}_{3}}P]}_{3}}RhCl\]

    C) \[{{(C{{H}_{3}})}_{3}}Al\]

    D) \[{{({{C}_{5}}{{H}_{5}})}_{2}}Fe\]

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  • question_answer62) The example of co-ordination isomerism is;

    A) \[[Co{{(N{{H}_{3}})}_{6}}][Cr{{(CN)}_{6}}]\]and\[[Cr{{(N{{H}_{3}})}_{6}}][Co{{(CN)}_{6}}]\]

    B) \[[Co{{(N{{H}_{3}})}_{5}}Br]S{{O}_{4}}\]and\[[Co{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]Br\]

    C) \[[Co{{(N{{H}_{3}})}_{5}}N{{O}_{3}}]S{{O}_{4}}\]and\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]B{{r}_{2}}\]

    D) \[[Pt{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]B{{r}_{2}}\]and\[[Pt{{(N{{H}_{3}})}_{4}}B{{r}_{2}}]C{{l}_{2}}\]

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  • question_answer63) Cow milk is an example of natural emulsion stabilized by:

    A) detergent

    B) fat

    C) casein

    D) urea

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  • question_answer64) The molal elevation constant for water is\[0.52\]. What will be the boiling point of 2 molar sucrose solution at \[1atm\] pressure? (Assume B.P. of pure water as \[{{100}^{o}}C\])

    A) \[{{101.04}^{o}}C\]

    B) \[{{100.26}^{o}}C\]

    C) \[{{100.52}^{o}}C\]

    D) \[{{99.74}^{o}}C\]

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  • question_answer65) If at \[{{25}^{o}}C\] the ionization constant of acetic acid is \[2\times {{10}^{-5}}\], the hydrolysis constant of sodium acetate will be:

    A) \[5\times {{10}^{-8}}\]

    B) \[5\times {{10}^{-9}}\]

    C) \[5\times {{10}^{-10}}\]

    D) \[4\times {{10}^{-10}}\]

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  • question_answer66) The solubility product of \[A{{g}_{2}}CrO\] in water a\[298K\]is\[3.2\times {{10}^{-11}}\]. What will be the concentration of \[CrO_{4}^{2-}\] ions in the saturate solution of\[A{{g}_{2}}Cr{{O}_{4}}\]?

    A) \[2\times {{10}^{-4}}M\]

    B) \[5.7\times {{10}^{-5}}M\]

    C) \[5.7\times {{10}^{-6}}M\]

    D) \[3.2\times {{10}^{-11}}\]

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  • question_answer67) The \[p{{K}_{b}}\] value of \[N{{H}_{3}}\] is 5. Calculate the \[pH\] of the buffer solution, \[1\,\,L\] of which contains\[0.01\,\,M\,\,N{{H}_{4}}Cl\]and\[0.10\,\,M\,\,N{{H}_{4}}OH\]:

    A) 4

    B) 6

    C) 8

    D) 10

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  • question_answer68) Calculate the entropy change for\[C{{H}_{4}}(g)+{{H}_{2}}O(g)\xrightarrow{{}}3{{H}_{2}}(g)+CO(g)\],using the following data:

    Substance \[C{{H}_{4}}(g)\] \[{{H}_{2}}O(g)\] \[{{H}_{2}}(g)\] \[CO(g)\]
    \[\mathbf{S{}^\circ /J}{{\mathbf{K}}^{\mathbf{-1}}}\mathbf{mo}{{\mathbf{l}}^{\mathbf{-1}}}\] \[186.2\] \[188.7\] \[130.6\] \[197.6\]
    The entropy change is:

    A) \[-46J{{K}^{-1}}mo{{l}^{-1}}\]

    B) \[+46J{{K}^{-1}}mo{{l}^{-1}}\]

    C) \[-214.5J{{K}^{-1}}mo{{l}^{-1}}\]

    D) \[+214.5J{{K}^{-1}}mo{{l}^{-1}}\]

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  • question_answer69) The type of hybridization in \[Xe{{F}_{4}}\] is:

    A) \[ds{{p}^{2}}\]

    B) \[s{{p}^{3}}d\]

    C) \[s{{p}^{3}}{{d}^{2}}\]

    D) \[s{{p}^{3}}{{d}^{3}}\]

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  • question_answer70) Given the electrode potentials\[F{{e}^{3+}}+{{e}^{-}}\xrightarrow{{}}F{{e}^{2+}},\,\,E{}^\circ =0.771\,\,volt\]\[{{I}_{2}}+2{{e}^{-}}\xrightarrow{{}}2{{I}^{-}},\,\,E{}^\circ =0.536\,\,volt\] \[E_{cell}^{\text{o}}\] for the cell reaction\[2F{{e}^{3+}}+2{{I}^{-}}\xrightarrow{{}}2F{{e}^{2+}}+{{I}_{2}},\]is:

    A) \[1.006V\]

    B) \[0.503V\]

    C) \[0.235V\]

    D) \[-0.235V\]

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  • question_answer71) In the general nuclear reaction\[_{Z}^{A}X+_{2}^{4}He\to _{Z+1}^{Z+3}Y+D\] The product \[D\] is:

    A) \[\alpha -\]particle

    B) \[\beta -\]particle

    C) \[\gamma -\]particle

    D) proton

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  • question_answer72) Lasagnes test is not used for the detection of:

    A) carbon

    B) halogens

    C) nitrogen

    D) sulphur

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  • question_answer73) The number of isomeric alkenes with molecular formula \[{{C}_{6}}{{H}_{12}}\] are:

    A) 8

    B) 10

    C) 11

    D) 13

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  • question_answer74) Which of the following alkenes will yield \[2-\]butanone on ozonolysis followed by the reaction with\[Zn/{{H}_{2}}O\]?

    A) 2-methyl-2-hexene

    B) 2-methyl-1-hexene

    C) 3, 4-dimethyl-3-hexene

    D) 2, 3-dimethyl-3-hexene

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  • question_answer75) A bromoalkane \[X\] reacts with magnesium in dry ether to form compound\[Y\]. The reaction of \[Y\] with methanal followed by hydrolysis yield an alcohol having molecular formula\[{{C}_{4}}{{H}_{10}}O\]. The compound \[X\] is:

    A) bromo ethane

    B) bromo methane

    C) 1-bromo propane

    D) 2-bromo propane

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  • question_answer76) Which of the following compounds will not exhibit \[cis-trans\] isomerism?

    A)

    B)

    C)

    D)

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  • question_answer77) Which of the following molecules is achiral?

    A)

    B)

    C)

    D)

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  • question_answer78) Which of the following compounds will be most reactive towards nucleophilic addition reaction?

    A) \[C{{H}_{3}}COC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\]

    B) \[C{{H}_{3}}C{{H}_{2}}OC{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\]

    C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CHO\]

    D) \[C{{H}_{3}}-C{{H}_{2}}-CO-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\]

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  • question_answer79) Which of the following compounds is the strongest acid?

    A) \[HCOOH\]

    B) \[C{{H}_{3}}COOH\]

    C) \[C{{l}_{2}}CHCOOH\]

    D) \[{{C}_{6}}{{H}_{5}}COOH\]

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  • question_answer80) In the reaction sequence the product \[C\] is:

    A) benzonitrile

    B) benzaldehyde

    C) benzoicacid

    D) benzyldmine

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  • question_answer81) The basicity of compounds I, II, III and IV\[\underset{I}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,,\underset{II}{\mathop{{{(C{{H}_{3}})}_{2}}NH}}\,,\,\,\underset{III}{\mathop{{{(C{{H}_{3}})}_{3}}N}}\,,\]\[\underset{IV}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}}}\,\]varies in the order:

    A) \[I>II>III>IV\]

    B) \[II>I>III>IV\]

    C) \[III>I>II>IV\]

    D) \[IV>I>II>III\]

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  • question_answer82) Diethyl oxalate is used for distinguishing primary, secondary and tertiary:

    A) alcohols

    B) amines

    C) alkylhalides

    D) hydrogens in hydrocarbons

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  • question_answer83) The brown haze of photochemical smog is largely attributable to:

    A) \[NO\]

    B) \[N{{O}_{2}}\]

    C) \[C{{H}_{3}}\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,ON{{O}_{2}}\]

    D) \[C{{H}_{2}}=CHCH=O\]

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  • question_answer84) The water pollutants mainly responsible for eutrophication are:

    A) \[Cd,\,\,Pb\]and \[Hg\] present in industrial waste

    B) heavy metals present in mining waste

    C) detergents and fertilizers containing phosphate anion

    D) polychlorinated biphenyls

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  • question_answer85) Which of the following is a thermosetting polymer?

    A) Polyethene

    B) Bakelite

    C) Terylene

    D) Polystyrene

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  • question_answer86) Which of the following is an example of conjugated protein?

    A) Albumin

    B) Globulin

    C) Glutelin

    D) Glycoprotein

    View Answer play_arrow
  • question_answer87) If one strand of DNA has the sequence \[ATCGTATG\], the sequence in the complementary strand would be:

    A) \[TAGCTTAC\]

    B) \[TCACATAC\]

    C) \[TAGCATAC\]

    D) \[TACGATAC\]

    View Answer play_arrow
  • question_answer88) Fluorescein is an example of:

    A) azodyes

    B) phthalein dyes

    C) triphenyl methane dyes

    D) nitro dyes

    View Answer play_arrow
  • question_answer89) Amphetamine is used as:

    A) anaesthetic

    B) antidepressant

    C) antimalarial

    D) analgesic

    View Answer play_arrow
  • question_answer90) Which of the following compounds is used as broad spectrum antibiotics?

    A) Ampicillin

    B) Penicillin G

    C) Penicillin K

    D) Tetracycline

    View Answer play_arrow
  • question_answer91) The weight in gram of 1 curie of radioactive element \[^{200}X\] having \[a\,\,{{t}_{1/2}}\] of \[69.3\min \] is:

    A) \[3.7\times {{10}^{-8}}g\]

    B) \[7.4\times {{10}^{-8}}g\]

    C) \[3.7\times {{10}^{-8}}g\]

    D) \[200g\]

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  • question_answer92) Gold number is minimum in case of:

    A) gum arable

    B) starch

    C) egg albumin

    D) gelatin

    View Answer play_arrow
  • question_answer93) The standard reduction potential of \[L{{i}^{+}}/Li\]\[B{{a}^{2+}}/Ba,\,\,N{{a}^{+}}/Na\] and \[M{{g}^{2+}}/Mg\] are\[-3.05\],\[-2.73\], \[-2.71\]and \[-2.37\] volt respectively, Which one of the following is strongest oxidising agent?

    A) \[B{{a}^{2+}}\]

    B) \[M{{g}^{2+}}\]

    C) \[N{{a}^{+}}\]

    D) \[L{{i}^{+}}\]

    View Answer play_arrow
  • question_answer94) Carbon is in the lowest oxidation state in:

    A) \[C{{O}_{2}}\]

    B) \[C{{F}_{4}}\]

    C) \[CC{{l}_{4}}\]

    D) \[C{{H}_{4}}\]

    View Answer play_arrow
  • question_answer95) Oxidation state of nitrogen is correctly given for: Compound Oxidation state

    A) \[M{{g}_{3}}{{N}_{2}}\] \[-3\]

    B) \[N{{H}_{2}}OH\] \[+1\]

    C) \[{{({{N}_{2}}{{H}_{5}})}_{2}}S{{O}_{4}}\] \[+2\]

    D) \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] \[0\]

    View Answer play_arrow
  • question_answer96) The solubility product of \[AgCl\] is \[4.0\times {{10}^{-10}}\] at\[298K\]. The solubility of \[AgCl\] in \[0.04\,\,M\,\,CaC{{l}_{2}}\] will be:

    A) \[5.0\times {{10}^{-9}}M\]

    B) \[2.0\times {{10}^{-5}}M\]

    C) \[2.2\times {{10}^{-4}}M\]

    D) \[1.0\times {{10}^{-4}}M\]

    View Answer play_arrow
  • question_answer97) The standard free energy change \[(\Delta G{}^\circ )\] is related to equilibrium constant \[(K)\] as:

    A) \[\Delta G{}^\circ =2.303RT\log k\]

    B) \[\Delta G{}^\circ =RT\log k\]

    C) \[\Delta G{}^\circ =2.303RT\log k\]

    D) \[\Delta G{}^\circ =-2.303RT\,\,in\,\,k\]

    View Answer play_arrow
  • question_answer98) For reversible process, the value of AS is gives by the expression:

    A) \[{{q}_{(rev)}}\times T\]

    B) \[{{q}_{(rev)}}\div T\]

    C) \[\Delta H/\Delta T\]

    D) \[T\div {{q}_{(rev)}}\]

    View Answer play_arrow
  • question_answer99) The final product of this reaction is/are:

    A)

    B)

    C)

    D)

    View Answer play_arrow
  • question_answer100) Tincture of iodine is:

    A) \[CH{{I}_{3}}\]in alcohol

    B) \[{{I}_{2}}\]alcohol

    C) \[{{I}_{2}}\]in\[KI\]

    D) \[CH{{I}_{3}}\]in\[KI\]

    View Answer play_arrow
  • question_answer101) The protein toxin producing bacteria, which used to control biological pest is:

    A) E. coli

    B) Agrobacterium

    C) Mycobacterium sp.

    D) B. thuringiensis

    View Answer play_arrow
  • question_answer102) Bacteria with single flagella at one end is called:

    A) monotrichous

    B) lophotrichous

    C) amphitrichous

    D) peritrichpus

    View Answer play_arrow
  • question_answer103) Which group is evolutionary modem?

    A) Gymnosperms

    B) Grasses

    C) Pteridophytes

    D) Algae

    View Answer play_arrow
  • question_answer104) Most stable ecosystem is:

    A) desert

    B) marine

    C) mountain

    D) forest

    View Answer play_arrow
  • question_answer105) Stratification occurs in:

    A) desert

    B) tropical forest

    C) deciduous forest

    D) tundra

    View Answer play_arrow
  • question_answer106) Ecological pyramids were discovered by:

    A) Eiton

    B) Odum

    C) Reiter

    D) None of these

    View Answer play_arrow
  • question_answer107) The cyrstal of lead zirconate is a key component of:

    A) electroencephalography

    B) electrocardiography

    C) magneto encephalography

    D) sonography

    View Answer play_arrow
  • question_answer108) Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?

    A) Urea \[5-10mg/100ml\] of blood.

    B) Blood sugar (fasting)\[-70-100\text{ }mg/100ml\]

    C) Total blood volume\[-5-6\]

    D) ESR in Wintrobe method \[-9-15mm\] in males and \[20-34mm\] in females

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  • question_answer109) Which one of the following is a matching pair?

    A) Lubb-Sharp closure of AV valves at the beginning of ventricular systole

    B) Dup-Sudden opening of semilunar valves at the beginning of ventricular diastole

    C) Pulsation of the radial artery valves in the blood vessels

    D) Initiation of the heart beat Purkinje fibres

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  • question_answer110) July 11 is observed as:

    A) World Population Day

    B) No Tobacco Day

    C) World Environment Day

    D) World Health Day

    View Answer play_arrow
  • question_answer111) Biological Oxygen Demand (BOD) is a measure of:

    A) industrial wastes poured into water bodies

    B) extent to which water is polluted with organic compound

    C) amount of carbon monoxide inseparably combined with haemoglobin

    D) amount of oxygen needed by green plants during night

    View Answer play_arrow
  • question_answer112) Photorespiration in \[{{C}_{3}}\] plants starts from :

    A) phosphoglycerate

    B) phosphoglycolate

    C) glycerate

    D) glycine

    View Answer play_arrow
  • question_answer113) Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to:

    A) vitamin-A toxicity

    B) kidney stones

    C) hypercholesterolemia

    D) urine laden with ketone bodies

    View Answer play_arrow
  • question_answer114) What is true about \[t-\]RNA?

    A) It binds with an amino acid at it 3 end

    B) It has five double stranded regions

    C) It has a codon at one end which recognizes the anticodon on messenger RNA

    D) It looks like clover leaf in the three dimensional structure

    View Answer play_arrow
  • question_answer115) Photochemical smog formed in congested metropolitan cities mainly consists of:

    A) ozone, peroxyacetyl nitrate and\[N{{O}_{x}}\]

    B) smoke, peroxyacetyl nitrate and\[S{{O}_{2}}\]

    C) hydrocarbons, \[S{{O}_{2}}\] and\[C{{O}_{2}}\]

    D) hydrocarbons, ozone and\[S{{O}_{x}}\]

    View Answer play_arrow
  • question_answer116) Natural parthenogenesis is found in:

    A) housefly

    B) honeybee

    C) Drosophila

    D) all of these

    View Answer play_arrow
  • question_answer117) Mammals excrete:

    A) urea

    B) uric acid

    C) ammonia

    D) all of these

    View Answer play_arrow
  • question_answer118) Vestigeal organ in human being is :

    A) incisor

    B) canines

    C) molar

    D) premolar

    View Answer play_arrow
  • question_answer119) The connection between two cells is :

    A) plasmadesmata

    B) microfilaments

    C) sieve tube

    D) none of these

    View Answer play_arrow
  • question_answer120) Natural pearl is:

    A) a mollusc

    B) an annelid

    C) an arthropod

    D) an echinodermate

    View Answer play_arrow
  • question_answer121) Miller and Urey performed an experiment to prove the origin of life. They took gases \[N{{H}_{3}}\] and \[{{H}_{2}}\] along with:

    A) \[{{N}_{2}}\]and\[{{H}_{2}}O\]

    B) \[{{H}_{2}}O\]and\[C{{H}_{4}}\]

    C) \[C{{H}_{4}}\]and\[{{N}_{2}}\]

    D) \[C{{O}_{2}}\]and\[N{{H}_{3}}\]

    View Answer play_arrow
  • question_answer122) Spermatogenesis is induced by:

    A) FSH

    B) ACTH

    C) ICSH

    D) ATH

    View Answer play_arrow
  • question_answer123) Blood carries \[C{{O}_{2}}\] mainly in which form?

    A) \[Hb.C{{O}_{2}}\]

    B) \[NaHC{{O}_{3}}\]

    C) Carbonic acid

    D) \[Hb.C{{O}_{2}}\]and carbon monoxide

    View Answer play_arrow
  • question_answer124) During oxidative phosphorylation, the net gain of ATP is:

    A) 40

    B) 38

    C) 34

    D) 30

    View Answer play_arrow
  • question_answer125) Which of the following pairs is correct?

    A) Annelida-polychaeta-leech

    B) Arthropoda-crustacea-cockroach

    C) Mollusca-cephalopoda-Octopus

    D) Protozoa-Hydra

    View Answer play_arrow
  • question_answer126) In almost all Indian metropolitan cities like Delhi, the major atmospheric pollutant(s) is/are:

    A) suspended paniculate matter (SPM)

    B) oxides of sulphur

    C) carbon dioxide and carbon monoxide

    D) oxides of nitrogen

    View Answer play_arrow
  • question_answer127) Restriction enzymes:

    A) are endonucleases which cleave DNA at specific sites

    B) make DNA complementary to an existing DNA or RNA

    C) cut or join DNA fragments

    D) are required in vectorless direct gene transfer

    View Answer play_arrow
  • question_answer128) The phase of menstrual cycle in humans that lasts for 7-8 days, is:

    A) follicular phase

    B) ovulatory phase

    C) luteal phase

    D) menstruation

    View Answer play_arrow
  • question_answer129) The source of somatostatin is same as that of:

    A) thyroxine and calcitonin

    B) insulin and glucagon

    C) somatotropin and prolactin

    D) vasopressin and oxytocin

    View Answer play_arrow
  • question_answer130) Reserpine is obtained from:

    A) Asafoetida

    B) Rauwolffia serpentine

    C) Curcuma longa

    D) Papaver somniferum

    View Answer play_arrow
  • question_answer131) The coiling of tendril around some base in response to touch is called:

    A) hydrotaxis

    B) chemotaxis

    C) thigmotropism

    D) geotaxis

    View Answer play_arrow
  • question_answer132) A characteristic feature of ovary of Brassica campestris is:

    A) presence of replum

    B) axile placentation

    C) epigynous

    D) multilocular nature

    View Answer play_arrow
  • question_answer133) One of the characteristic of Hydra is:

    A) predation

    B) metamerism

    C) hibernation

    D) mimicry

    View Answer play_arrow
  • question_answer134) Primary acceptor of \[C{{O}_{2}}\] in photosynthesis is:

    A) phosphoric acid

    B) ribulose phosphate

    C) glucose

    D) ribulose 1, 5 biphosphate

    View Answer play_arrow
  • question_answer135) Which of the following statement is correct?

    A) In Cycas, megasporophyll produce pollen grains

    B) In Agaricus, gills produce basidiospores

    C) In Aspergillus, fruiting body is perithecium

    D) In Funaria, capsule represents gameto- phytic generation

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  • question_answer136) Which of the following is a disaccharide?

    A) Glucose

    B) Fructose

    C) Sucrose

    D) Galactose

    View Answer play_arrow
  • question_answer137) Periplaneta has no respiratory pigment in its blood because:

    A) air is conducted directly to the body tissues

    B) it has haemocoelom

    C) it has anaerobic respiration

    D) it lacks blood cell in blood

    View Answer play_arrow
  • question_answer138) Which is correct for meiotic metaphase-I?

    A) Bivalents are arranged at equator

    B) Univalents are arranged at equator

    C) Non-homologous chromosomes forms pair

    D) Spindle fibres are attached at chromomere

    View Answer play_arrow
  • question_answer139) In the following how the sap wood is converted into heart wood?

    A) By degeneration of protoplast of living cells

    B) Tyiosis formation

    C) By deposition of resins, oil, gums etc.

    D) All of these

    View Answer play_arrow
  • question_answer140) Exception of MendePs law is:

    A) independent assortment

    B) linkage

    C) purity of gametes

    D) none of these

    View Answer play_arrow
  • question_answer141) A type of life cycle in which plasmogamy, karyogamy, haplodization takes place but not at specific place in life cycle of an organism is called as:

    A) parasexuality

    B) heterozygosity

    C) homozygosity

    D) asexuality

    View Answer play_arrow
  • question_answer142) Branched, aseptate, coenocytic mycelium present in:

    A) Aspergillus

    B) Albugo

    C) Penicillium

    D) Erysiphe

    View Answer play_arrow
  • question_answer143) In cockroach vision is due to:

    A) one compound eye

    B) only two compound eyes

    C) two simple eyes

    D) two compound and two simple eyes

    View Answer play_arrow
  • question_answer144) When tall and dwarf plants are crossed, from which cross 1:1 ratio is obtained?

    A) \[Tt\]and\[tt\]

    B) \[tt\]and\[tt\]

    C) \[Tt\times Tt\]

    D) \[TT\]and\[Tt\]

    View Answer play_arrow
  • question_answer145) The cells without nuclei are present in:

    A) vascular cambium

    B) root hair

    C) companion cell

    D) members of sieve tube

    View Answer play_arrow
  • question_answer146) Which of the following have sunken stomata?

    A) Nerium

    B) Mangifera

    C) Hydrilla

    D) Zea mays

    View Answer play_arrow
  • question_answer147) When a plasmolysed cells is placed in a hypotonic solution then water will move inside the cell. Which force causes this?

    A) DPD

    B) OP

    C) WP

    D) None of these

    View Answer play_arrow
  • question_answer148) Dormancy of seed is broken by:

    A) auxin

    B) gibberellins

    C) ethyelene

    D) cytokinin

    View Answer play_arrow
  • question_answer149) Viroids have:

    A) single stranded RNA not enclosed by protein coat

    B) single stranded DNA not enclosed by protein coat

    C) double stranded DNA enclosed by protein coat

    D) double stranded RNA enclosed by protein coat

    View Answer play_arrow
  • question_answer150) Which one of the following pairs is correctly matched?

    A) Rhizobium - Parasite in the roots of leguminous plants

    B) Mycorrhizae - Mineral uptake from soil

    C) Yeast - Production of biogas

    D) Myxomycetes - The diesease ringworm

    View Answer play_arrow
  • question_answer151) Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of:

    A) cutin

    B) suberin

    C) sporopollenin

    D) callose

    View Answer play_arrow
  • question_answer152) The quiescent centre in root meristem served as a:

    A) site for storage of food which is utilized during maturation

    B) reservoir of growth hormones

    C) reserve for replenishment of damaged cells of the meristem

    D) region for absorption of water

    View Answer play_arrow
  • question_answer153) Azolla is used as a bio fertilizer because it:

    A) multiplies very fast to produce massive biomass

    B) has association of nitrogen-fixing Rhizobium

    C) has association of nitrogen-fixing cyanobacteria

    D) has association of Mycorrhiza

    View Answer play_arrow
  • question_answer154) The plant part which consists of two generations one within the other, is:

    A) germinated pollen grain

    B) embryo

    C) unfertilized ovule

    D) seed

    View Answer play_arrow
  • question_answer155) Anti-viral substance is:

    A) antigen

    B) antibody

    C) interferon

    D) antibiotic

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  • question_answer156) The chemicals which are produced by host plants due to infection as a defence reaction to pathogen, are called:

    A) phytotoxin

    B) toxin

    C) phytotron

    D) phytoalexins

    View Answer play_arrow
  • question_answer157) Translocation of organic materials in plants is explained by:

    A) active transport

    B) transpiration pull

    C) inhibition theory

    D) mass flow hypothesis

    View Answer play_arrow
  • question_answer158) Cycas stem shows:

    A) porous wood

    B) monoxylic wood

    C) pycnoxylic wood

    D) ring porous wood

    View Answer play_arrow
  • question_answer159) The desert plants in order to tolerate water stress show:

    A) sunken stomata

    B) reduced leaves

    C) well developed root system

    D) all of the above

    View Answer play_arrow
  • question_answer160) Meiosis in Dryopteris takes place during:

    A) spore formation

    B) gametic formation

    C) spore germination

    D) zygote formation

    View Answer play_arrow
  • question_answer161) Photosynthetic pigments in chloroplast are embeded in the membrane of:

    A) photoglobin

    B) matrix

    C) thylakoid

    D) mitochondria

    View Answer play_arrow
  • question_answer162) Aerenchyma is found in:

    A) parenchyma

    B) xylem

    C) phloem

    D) sclerenchyma

    View Answer play_arrow
  • question_answer163) The process through which the amount of DNA, RNA and protein can be known at a time is called:

    A) autoradiography

    B) tissue culture

    C) cellular fractioning

    D) phase contrast microscopy

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  • question_answer164) Sponges capture food with the help of:

    A) pinacocytes

    B) choanocytes

    C) trophocytes

    D) theocytes

    View Answer play_arrow
  • question_answer165) In frog, gastrulation process involves:

    A) epiboly

    B) emboly

    C) invagination

    D) all of these

    View Answer play_arrow
  • question_answer166) To yield more milk, cow is injected with:

    A) sorbitol

    B) prolactin

    C) gonadotrophs

    D) stelbesterol

    View Answer play_arrow
  • question_answer167) Balbiani rings are found in :

    A) polysomes

    B) polytene chromosomes

    C) autosomes

    D) non-sense chromosomes

    View Answer play_arrow
  • question_answer168) One of the nucleotide of DNA:

    A) adenine

    B) deoxyadenylic acid

    C) adenosine

    D) deoxyuridine phosphate

    View Answer play_arrow
  • question_answer169) What is haemozine?

    A) Undigested part of blood in trophozoite of Plasmodium

    B) Blood pigment of Anopheles

    C) Decomposed blood in merozoites

    D) Granules in the blood of infected person

    View Answer play_arrow
  • question_answer170) Insects eggs are:

    A) microlecithal and centrolecithal

    B) megalecithal and isolecithal

    C) megalecithal and centrolecithal

    D) megalecithal and telolacithal

    View Answer play_arrow
  • question_answer171) Which type of rhizoids are present in Riccia?

    A) Unicellular smooth

    B) Multicellular smooth

    C) Unicellular smooth and tuberculated

    D) Multicellular smooth and tuberculated

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  • question_answer172) Which character is found only in mammals?

    A) Neck

    B) Diaphragm

    C) Optic lobes of brain

    D) Tail

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  • question_answer173) Which type of vascular bundles are found in monocot stem?

    A) Collateral, open, endarch

    B) Radial, open, diarch

    C) Radial, open, mesarch

    D) Collateral, closed, endarch

    View Answer play_arrow
  • question_answer174) In rhizome of Pteridium, stele which is composed of two or more than two concentric rings of vascular bundles is called:

    A) polycyclic

    B) siphonostele

    C) ectophloic siphonostele

    D) cladosiphonostele

    View Answer play_arrow
  • question_answer175) Which of the following is not the correct for gastrulation?

    A) Archenteron is formed

    B) all germinal layers are formed

    C) Morphogenetic movements

    D) Some blastomeres and blastocoel degenerate

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  • question_answer176) What happens in anterior part of Amoeba at the time of formation of pseudopodia?

    A) Plasma gel convert into plasma sol

    B) Plasma sol convert into plasma gel

    C) Ectoplasm convert into endoplasm

    D) Endoplasm convert into ectoplasm

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  • question_answer177) The function of clitellum in Pheretima is:

    A) formation of cocoon

    B) secretion of hormone

    C) nutrition of sperm

    D) respiration

    View Answer play_arrow
  • question_answer178) In Mirabilis a hybrid for red (RR) and white (rr) flower produces pink (Rr) flower. A plant with pink flower is crossed with white flower the expected phenotypic ratio is:

    A) red : pink : white\[(1:2:1)\]

    B) pink : white\[(1:1)\]

    C) red : pink\[(1:1)\]

    D) red : white\[(3:1)\]

    View Answer play_arrow
  • question_answer179) What is pollen grain?

    A) Microspore mother cell

    B) Male gamete

    C) Male gametophyte

    D) Partially developed embryo

    View Answer play_arrow
  • question_answer180) Conditions helpful in photorespiration are :

    A) more \[{{O}_{2}}\] and less \[C{{O}_{2}}\]

    B) less \[{{O}_{2}}\] and more \[C{{O}_{2}}\]

    C) more temperature and less \[{{O}_{2}}\]

    D) more humidity and less temperature

    View Answer play_arrow
  • question_answer181) Bicollateral bundles are found in:

    A) Cucurbitaceae

    B) Malvaceae

    C) Cruciferae

    D) None of these

    View Answer play_arrow
  • question_answer182) Lignification is associated with:

    A) xylem

    B) phloem

    C) parenchyma

    D) chlorenchyma

    View Answer play_arrow
  • question_answer183) Which of the following is the result of double fertilization?

    A) Cotyledon

    B) Nucellus

    C) Endosperm

    D) None of these

    View Answer play_arrow
  • question_answer184) Pollen tube entered through micropyle in:

    A) porogamy

    B) chalazogamy

    C) syngamy

    D) misogamy

    View Answer play_arrow
  • question_answer185) Correct name is:

    A) Brassica indica

    B) Mangifera Indica

    C) SOLANUM MELONGINA

    D) Mimosa Pudica

    View Answer play_arrow
  • question_answer186) Who discovered the super bugs?

    A) H.G. Khorana

    B) Dilip Sah

    C) Anand Mohan Chakarwarty

    D) Robert

    View Answer play_arrow
  • question_answer187) During unfavourable conditions Amoeba reproduces through:

    A) binary fission

    B) sporulation

    C) multiple fission

    D) conjugation

    View Answer play_arrow
  • question_answer188) Radial symmetry is found in:

    A) frog

    B) starfish

    C) humans

    D) Pheretima

    View Answer play_arrow
  • question_answer189) Pseudocoel is present in:

    A) Periplaneta

    B) Ascaris

    C) Pheretima

    D) Hydra

    View Answer play_arrow
  • question_answer190) Metameric segmentation is the main feature of:

    A) Annelida

    B) Echinodermata

    C) Arthropoda

    D) Coelenterata

    View Answer play_arrow
  • question_answer191) Naked DNA without histones is found in:

    A) prokaryotes

    B) eukaiyotes

    C) protozoa

    D) coelenterate

    View Answer play_arrow
  • question_answer192) Ammonia is converted into urea in :

    A) kidney

    B) lungs

    C) liver

    D) spleen

    View Answer play_arrow
  • question_answer193) Which of the following maintain the Shape of cell?

    A) Osmotic pressure

    B) Turgor pressure

    C) Wall pressure

    D) Osmosis

    View Answer play_arrow
  • question_answer194) Vivipary is found in:

    A) Coelenterata

    B) Protozoa

    C) Rabbit

    D) Pisces

    View Answer play_arrow
  • question_answer195) The ultimate energy source of ecosystem is:

    A) solar energy

    B) biomass

    C) producer

    D) carbohydrates

    View Answer play_arrow
  • question_answer196) Lipid bilayer is present in:

    A) plasma membrane

    B) ribosome

    C) chromosome

    D) nucleolus

    View Answer play_arrow
  • question_answer197) Chiasmata are formed:

    A) due to crossing over of same part between homologous chromosomes

    B) due to crossing over of same part between non-homologous chromosomes

    C) due to duplication of homologous and non-homologous chromosomes

    D) due to loss of some part of chromosomes

    View Answer play_arrow
  • question_answer198) Food store as oil in:

    A) Chlamydomonas

    B) Oedogonium

    C) Vaucheria

    D) Chara

    View Answer play_arrow
  • question_answer199) Lowest number of chromosomes are found in:

    A) Haplopappus

    B) Cyprus

    C) Salix

    D) None of these

    View Answer play_arrow
  • question_answer200) Peat moss is:

    A) Funaria

    B) ferns

    C) algae

    D) Sphagnum

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