DUET 2019 M.Sc. Development Communication and Extension Question Paper with Answer Key PDF (July 7 - Shift 2)

DUET Questions

• 1.

  What is the shape and magnetic nature of permanganate ion ?

  • Pyramidal diamagnetic
  • Tetrahedral, diamagnetic
  • Tetrahedral, paramagnetic
  • Planar, paramagnetic
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• 2.

  Most stable carbocation is

  • 

  • 

  • 

  • 

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• 3.

  Phagocytosis and pinocytosis are collectively termed as

  • endocytosis
  • suspension feeding
  • omnivores
  • mucous trap
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• 4.

  The mobility of charge carriers increases with

  • increase in the average collision time
  • increase in the electric field
  • increase in the mass of the charge carriers
  • decrease in the charge of the mobile carriers
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• 5.

  The basic unit of study in Ecology is

  • population
  • organism
  • community
  • species
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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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