DUET 2020 M.A. Sociology Question Paper with Answer Key PDF (July 9 - Shift 3)

DUET Questions

• 1.

  In the given structure of a compound, the correct various bond moments direction involving are shown as

  • $ Br\underline{\leftarrow }N\underline{\leftarrow }CH_{2}\underline{\to }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\leftarrow }CH_{2}\underline{\leftarrow }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\to }CH_{2}\underline{\leftarrow }SiH_{2}\to CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\to }CH_{2}\underline{\to }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\to }CH_{3} $
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• 2.

  The basic unit of study in Ecology is

  • population
  • organism
  • community
  • species
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• 3.

  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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• 4.

  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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• 5.

  Phagocytosis and pinocytosis are collectively termed as

  • endocytosis
  • suspension feeding
  • omnivores
  • mucous trap
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• 6.

  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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