Man and Environment Multiple Choice Questions 9 PDF Download

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MCQs on Man and Environment Quiz PDF Download Worksheets 9

MCQ. Since 1800 amount of carbon dioxide in atmosphere has increased

  1. 20%
  2. 25%
  3. 50%
  4. 30%


MCQ. Tertiary consumers that are fed on primary carnivores are also known as

  1. primary carnivores
  2. tertiary carnivores
  3. secondary carnivores
  4. secondary herbivores


MCQ. Substances that actually cause pollution are

  1. Chemicals
  2. Pollutants
  3. Gases
  4. Bad substances


MCQ. Group of consumers in an ecosystem includes

  1. viruses
  2. bacteria
  3. plants
  4. animals


MCQ. Fish aquarium is best classified as an example of

  1. natural biosphere
  2. artificial biosphere
  3. artificial ecosystem
  4. natural ecosystem