DUET 2020 M.Sc. Genetics Question Paper with Answer Key PDF (June 9 - Shift 3)

DUET Questions

• 1.

  Phagocytosis and pinocytosis are collectively termed as

  • endocytosis
  • suspension feeding
  • omnivores
  • mucous trap
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• 2.

  What is the shape and magnetic nature of permanganate ion ?

  • Pyramidal diamagnetic
  • Tetrahedral, diamagnetic
  • Tetrahedral, paramagnetic
  • Planar, paramagnetic
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• 3.

  Which of the following statements is wrong?

  • Pollen grains remain viable for several months because their outer covering is made of sporopollenin
  • No enzyme can degrade sporopollenin
  • Pollen grains are well represented in fossil strata due to sporopollenin
  • Pollen wall has cavities containing proteins
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• 4.

  Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?

  • 

  • 

  • 

  • 

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• 5.

  A hammer of mass $200\, kg$ strikes a steel block of mass $200\, g$ with a velocity $8\, ms^{-1}$. If $23\%$ of the energy is utilized to heat the steel block, the rise in temperature of the block is (specific heat capacity of steel = $460 \; J \; kg^{-1} \; K^{-1}$)

  • 8 K
  • 16 K
  • 12 K
  • 24 K
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• 6.

  Sigmoid growth curve is represented by

  • $ dN/dt=rN $
  • $ dN/dt=rN\,\,(1-N/K) $
  • $ Nt/No +B +I-D-E $
  • $ dN/dt=1-N/K $
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