Man and Environment Multiple Choice Questions and Answers 21 PDF Book Download

Man and environment multiple choice questions (MCQs), man and environment quiz answers 21 to learn high school biology online courses. Interactions in ecosystem MCQs, man and environment quiz questions and answers for online school degrees. Ecology, parasites, levels of ecological organization, pollution: consequences and control, bacterias test for high school teacher certification.

Learn high school biology MCQs: considering kind of symbiosis, classification of parasites includes, with choices ectoparasites, endoparasites, digestion parasites, and both a and b for online school degrees. Free biology study guide for online learning interactions in ecosystem quiz questions to attempt multiple choice questions based test.

MCQ on Man and Environment Worksheets 21 PDF Book Download

MCQ: Considering Earth's ecosystem, producers are called

  1. autotrophs
  2. heterotrophs
  3. tertiary autotrophs
  4. secondary autotrophs


MCQ: Considering kind of symbiosis, classification of parasites includes

  1. endoparasites
  2. ectoparasites
  3. digestion parasites
  4. both a and b


MCQ: In biosphere, principal decomposers are

  1. birds
  2. grasshoppers
  3. protozoan
  4. fungi and bacteria


MCQ: Petroleum burning in air leads to the

  1. methane
  2. oxygen
  3. sulphur dioxide
  4. nitrogen dioxide


MCQ: Process in which nitrites and nitrates are reduced into nitrogen gas by denitrification of bacteria is called

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