Man and Environment Multiple Choice Questions Test 17 Tests pdf Download

Practice biology test 17 on man and environment MCQs, grade 10 levels of ecological organization multiple choice questions and answers. Levels of ecological organization revision test has biology worksheets, answer key with choices as nitrites, nitrates, nitric acid and nitric oxide of multiple choice questions (MCQ) with levels of ecological organization quiz as nitrogen fixation is conversion of nitrogen gas to for competitive exam prep. Free biology study guide to learn levels of ecological organization quiz to attempt multiple choice questions based test.

MCQs on Man and Environment Quiz pdf Download Worksheets 17

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