Man and Environment Multiple Choice Questions 5 PDF Download

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MCQs on Man and Environment Quiz PDF Download Worksheets 5

MCQ. Small fish and crustaceans are also used to kill larvae of

  1. Butterfly
  2. Aphids
  3. Mosquites
  4. Pupa


MCQ. Combination of atmospheric nitrogen with hydrogen under high temperature and pressure is classified as

  1. atmospheric oxygen fixation
  2. atmospheric nitrogen fixation
  3. industrial nitrogen fixation
  4. biological nitrogen fixation


MCQ. Conversion of gaseous nitrogen into nitrates with help of bacteria is classified as

  1. biological oxygen fixation
  2. atmospheric oxygen fixation
  3. atmospheric nitrogen fixation
  4. biological nitrogen fixation


MCQ. Process of denitrification returns nitrogen in to the

  1. ecosystem
  2. atmosphere
  3. biosphere
  4. organism


MCQ. Atmospheric gaseous nitrogen is converted during lightning and thunderstorms into

  1. oxides of carbon
  2. oxides of oxygen
  3. oxides of nitrogen
  4. nitric acid