Man and Environment Multiple Choice Questions and Answers 43 PDF Download

Learn man and environment multiple choice questions, grade 10 biology online test 43 for high school degree online courses, distance learning for exam prep. Practice levels of ecological organization multiple choice questions (MCQs), man and environment quiz questions and answers for biology class for online cell biology courses distance learning.

Study high school biology multiple choice questions (MCQs): in components of ecosystem, phytoplankton is another name of, for free online courses with choices 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.

MCQs 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


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