Class 10 Biology MCQs (Grade 10) From Textbook

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Class 10 Biology MCQs – Practice Test 17 (Chapter 7)

Man and Environment MCQs with Answers PDF Download – Test 17

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The Man and environment Multiple Choice Questions (MCQs) with Answers PDF (Man and Environment MCQs PDF e-Book) download Ch. 7-17 to study Class 10 Biology Course. Learn Man and Environment Quiz Questions and Answers to study online certification courses. The Man and Environment MCQs App Download: Free Class 10 Biology App for levels of ecological organization, interactions in ecosystems, biology worksheets grade 10, ecological pyramid, pollution: consequences and control test prep for free online courses.

The MCQ: Nitrogen fixation is the conversion of nitrogen gas to; "Man and Environment MCQs" App Download [Free] with answers: nitrites, nitrates, nitric acid, and nitric oxide to study online certification courses. Solve Levels of Ecological Organization MCQ Questions, download Google e-Book (Free Chapter) for free online courses.

Man and Environment MCQs – Practice Test 17 PDF Download

MCQ: 81

Nitrogen fixation is the conversion of nitrogen gas to

  1. nitrates
  2. nitrites
  3. nitric acid
  4. nitric oxide
MCQ: 82

The organisms who kills, attacks and feeds others are called

  1. prey
  2. predators
  3. assimilators
  4. competitors
MCQ: 83

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

  1. greenhouse effect only
  2. global warming only
  3. acidic rain
  4. green house effect and global warming
MCQ: 84

The ecological pyramid concept was proposed by Charles Elton in

  1. 1927
  2. 1930
  3. 1935
  4. 1938
MCQ: 85

The ultraviolet rays in the radiations of the sun are absorbed by

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

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