Man and Environment Multiple Choice Questions and Answers 17 PDF Download

Learn man and environment multiple choice questions, grade 10 biology online test 17 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 basic concepts of biology courses distance learning.

Study high school biology multiple choice questions (MCQs): nitrogen fixation is conversion of nitrogen gas to , for free online courses with choices nitrites, nitrates, nitric acid, and nitric oxide, levels of ecological organization quiz with online student guide with quiz questions and answers to prepare for schools' competitions. 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 17 Quiz PDF Download

MCQ: Nitrogen fixation is conversion of nitrogen gas to

  1. Nitrates
  2. Nitrites
  3. Nitric acid
  4. Nitric oxide

A

MCQ: Organisms who kills, attacks and feeds others are called

  1. prey
  2. predators
  3. assimilators
  4. competitors

B

MCQ: Excess burning of fossil fuels leads to increased carbon dioxide which results in

  1. greenhouse effect
  2. global warming
  3. both a and c

D

MCQ: Ecological pyramid concept was proposed by Charles Elton in

  1. 1927
  2. 1930
  3. 1935
  4. 1938

A

MCQ: Ultraviolet rays in radiations of sun is absorbed by

  1. troposphere
  2. thermosphere
  3. stratosphere
  4. ozone

D