Man and Environment Multiple Choice Questions and Answers 43 PDF Download

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Study high school biology multiple choice questions (MCQs): in components of ecosystem, phytoplankton is another name of, for for online secondary education degree with options fungi, shallow rooted plants, floating photosynthetic organisms, and protozoan, levels of ecological organization quiz for online high school and secondary school courses preparation for final exams and online tests. Free biology study guide for online learning levels of ecological organization quiz questions to attempt multiple choice questions based test.

MCQ on Man and Environment Worksheets 43 Quiz PDF Download

MCQ: In components of ecosystem, phytoplankton is another name of

  1. shallow rooted plants
  2. fungi
  3. floating photosynthetic organisms
  4. protozoan

C

MCQ: What is average thickness of biosphere?

  1. 10 km
  2. 15 km
  3. 20 km
  4. 40 km

C

MCQ: Primary carnivores of ecosystem are also classified as

  1. tertiary consumers
  2. primary decomposers
  3. primary consumers
  4. secondary consumers

D

MCQ: Considering nitrogen fixation, ammonia produced in industrial nitrogen fixation is converted into

  1. nitric ammonia
  2. ammonium nitrate
  3. ammonium nitrous
  4. ammonia nitrous

B

MCQ: Change in air composition due to addition of harmful chemical substances is classified as

  1. greenhouse balance
  2. air pollution
  3. chemical imbalance
  4. gases imbalances

B