Man and Environment Multiple Choice Questions and Answers 21 PDF Download

Learn man and environment multiple choice questions, grade 10 biology online test 21 for high school degree online courses, distance learning for exam prep. Practice ecology multiple choice questions (MCQs), man and environment quiz questions and answers for biology class for online what is meant by biology courses distance learning.

Study high school biology multiple choice questions (MCQs): considering earth's ecosystem, producers are called, for free online courses with choices heterotrophs, autotrophs, tertiary autotrophs, and secondary autotrophs, ecology quiz with online competency based interview questions and answers to answer during teachers jobs' tests. Free biology study guide for online learning ecology quiz questions to attempt multiple choice questions based test.

MCQs on Man and Environment Worksheets 21 Quiz PDF 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