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Flows of Materials and Ecosystem Energy MCQs Quiz Online PDF Download eBook

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MCQs on Flows of Materials and Ecosystem Energy PDF Download eBook

MCQ: The 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

C

MCQ: The 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

C

MCQ: The process which converts the nitrogen gas into the nitrates is called

  1. carbon fixation
  2. nitrogen fixation
  3. oxygen fixation
  4. nitrate fixation

B

MCQ: The representation of biomass for per unit area at various trophic levels graphically is classified as

  1. pyramid of numbers
  2. pyramid of primary consumers
  3. pyramid of biomass
  4. pyramid of decomposers

C

MCQ: The process of nitrates utilization by organisms is classified as

  1. assimilation
  2. nitrification
  3. denitrification
  4. ammonification

A