Man and Environment Multiple Choice Questions 17 PDF Download

Practice man and environment MCQs, grade 10 online biology test 17, levels of ecological organization multiple choice questions and answers. Levels of ecological organization revision test has biology worksheets, helping 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, viva interview questions. Free biology study guide to practice 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 the conversion of nitrogen gas to

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


MCQ. The organisms who kills, attacks and feeds others are called

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


MCQ. The excess burning of the fossil fuels leads to increased carbon dioxide which results in

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


MCQ. The ecological pyramid concept was proposed by Charles Elton in

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


MCQ. The ultraviolet rays in the radiations of the sun is absorbed by

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