Man and Environment Multiple Choice Questions and Answers 43 PDF Book Download

Man and environment MCQs, man and environment quiz answers 43 to learn high school online courses. Pollution consequences and control multiple choice questions (MCQs), man and environment quiz questions and answers for for online school degrees. Levels of ecological organization, carnivores, flows of materials and ecosystem energy, pollution: consequences and control test for high school teacher certification.

Learn high school biology multiple choice questions (MCQs): what is average thickness of biosphere, with choices 15 km, 10 km, 20 km, and 40 km for online school degrees. Free biology study guide for online learning pollution consequences and control quiz questions to attempt multiple choice questions based test.

MCQ on Man and Environment Worksheets 43 PDF Book Download

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

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


MCQ: What is average thickness of biosphere?

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


MCQ: Primary carnivores of ecosystem are also classified as

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


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


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