DUET 2019 M.Sc. Plant Molecular Biology & Biotechnology Question Paper with Answer Key PDF (July 7 - Shift 1)

DUET Questions

• 1.

  How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?

  • 990
  • 900
  • 9090
  • 909
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• 2.

  Phagocytosis and pinocytosis are collectively termed as

  • endocytosis
  • suspension feeding
  • omnivores
  • mucous trap
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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.

  During the phenomenon of resonance

  • the amplitude of oscillation becomes large
  • the frequency of oscillation becomes large
  • the time period of oscillation becomes large
  • All of the above
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• 5.

  Most stable carbocation is

  • 

  • 

  • 

  • 

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• 6.

  Taxonomic hierarchy refers to

  • stepwise arrangement of all tegories for classification of plants and animal
  • a group of senior taxonomists who decide the nomenclature of plants and animals
  • a list of botanists or zoologists who have worked on taxonomy of a species or group
  • classification of a species based on fossil record
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