Man and Environment Multiple Choice Questions 7 PDF Download

Learn man and environment MCQs, grade 10 online biology test 7, flows of materials and ecosystem energy multiple choice questions and answers. Flows of materials and ecosystem energy revision test has biology worksheets, helping answer key with choices as nitrogen fixation, carbon fixation, oxygen fixation and nitrate fixation of multiple choice questions (MCQ) with flows of materials and ecosystem energy quiz as the process which converts nitrogen gas into nitrates is called for competitive exam prep, viva interview questions. Free biology study guide to practice flows of materials and ecosystem energy quiz to attempt multiple choice questions based test.

MCQs on Man and Environment Quiz PDF Download Worksheets 7

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


MCQ. The process in which there is utilization of nitrates by organisms is called

  1. Assimilation
  2. Denitrification
  3. Ammonification
  4. Nitrification


MCQ. The representation of biomass energy present in different levels of food chain is classified as

  1. food chain pyramid
  2. food web pyramid
  3. biomass pyramid
  4. ecological pyramid


MCQ. The coal burning in the air leads to

  1. oxygen and sulphur dioxide
  2. methane and nitrogen dioxide
  3. dust and nitrogen
  4. dust and smoke


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