IGCSE O Level Biology Quiz App | Effects of Human Activity on Ecosystem Quiz e-Book PDF | 11
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Effects of Human Activity on Ecosystem Quiz with Answers PDF Download – Test 11

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The "Effects of Human Activity on Ecosystem Quiz" App Download (iOS & Android): Presence of tubifax worms indicate that; MCQ with answers: cellulose in grass can easily be digested by pri-consumers, the parasites are found in the intestine, water is highly polluted, and bod is very low. Study Water Transport in Plants Quiz Questions, download Google Book (Free Chapter) to complete learning tasks.

Effects of Human Activity on Ecosystem Exam Questions and Answers PDF Download: Test 11

MCQ 51: Zero emission cars will produce:

  1. carbon monoxide as waste
  2. water as waste
  3. carbon dioxide as waste
  4. hydrogen and oxygen as waste

MCQ 52: Presence of tubifax worms indicate that:

  1. the parasites are found in the intestine
  2. cellulose in grass can easily be digested by pri-consumers
  3. water is highly polluted
  4. BOD is very low

MCQ 53: Renewable natural resources include:

  1. soil
  2. forests
  3. wild life
  4. all of above

MCQ 54: Yield, vigor and quality of organisms can:

  1. improved through more tropical rain forests
  2. improved through more pesticides
  3. offer better resistance to drought
  4. disruption of water and carbon cycles

MCQ 55: Submerged algae and plants die due to:

  1. death of fish on which they feed
  2. less water available for them
  3. less oxygen in water
  4. blockage of sunlight due to profuse growth

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