Man and Environment Multiple Choice Questions 36 PDF Download

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Biology multiple choice questions (MCQ) on autotrophs present in an ecosystem are called with options secondary consumers, primary consumers, decomposers and producers, levels of ecological organization quiz for competitive exam prep, viva interview questions with answers key. 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 36

MCQ. Autotrophs present in an ecosystem are called

  1. Primary consumers
  2. Secondary consumers
  3. Decomposers
  4. Producers

D

MCQ. Parasites that live inside host's body are called

  1. Temporary parasites
  2. Ectoparasites
  3. Endoparasites
  4. Permanent parasites

C

MCQ. A recycling of one tonne of paper can save

  1. 120 trees
  2. 130 trees
  3. 17 trees
  4. 18 trees

C

MCQ. In 2010 human population was

  1. 172,510,000
  2. 171,510,000
  3. 170,520,000
  4. 173,510,000

D

MCQ. Thickness of biosphere is

  1. 20 km
  2. 30km
  3. 40km
  4. 50km

A