Man and Environment Multiple Choice Questions 7 PDF Download

Learn man and environment MCQs, grade 10 biology test 7 for online courses learning and test prep, flows of materials and ecosystem energy multiple choice questions and answers. Flows of materials and ecosystem energy revision test includes biology worksheets to learn for online biological theory course test.

Biology multiple choice questions (MCQ) on process which converts nitrogen gas into nitrates is called with options nitrogen fixation, carbon fixation, oxygen fixation and nitrate fixation, flows of materials and ecosystem energy quiz for competitive exam prep, viva interview questions with answers key. Free biology study guide to learn 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. Process which converts nitrogen gas into nitrates is called

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

B

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

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

A

MCQ. 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

D

MCQ. Coal burning in air leads to

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

D

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