Flows of Materials and Ecosystem Energy MCQs Quiz Worksheet PDF Download

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Study high school courses, online biology degree programs MCQ: combination of atmospheric nitrogen with hydrogen under high temperature and pressure is classified as with options atmospheric oxygen fixation, atmospheric nitrogen fixation, industrial nitrogen fixation and biological nitrogen fixation with online basic interview questions and answers for online e-learning competitive exams preparation. Free biology student portal for online learning flows of materials and ecosystem energy quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Flows of Materials and Ecosystem Energy Quiz PDF Download

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

C

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

C

MCQ: Process which converts nitrogen gas into nitrates is called

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

B

MCQ: 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: Process of nitrates utilization by organisms is classified as

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

A