Eutrophication O Level Biology Learning App | IGCSE O Level Biology MCQ e-Book PDF

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Free "Eutrophication: O Level Biology" App Download with MCQ: Submerged algae and plants die due to; with answers: death of fish on which they feed, less water available for them, less oxygen in water, and blockage of sunlight due to profuse growth to improve laboratory skills. Practice Eutrophication O Level Biology Quiz Questions, download Google e-Book (Free Chapter) to advance remote instruction.

Eutrophication O Level Biology MCQs PDF Download – Prep Test

MCQ 1: 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

MCQ 2: Eutrophication in an ecosystem is a:

  1. good sign for ecosystem
  2. bad sign for ecosystem
  3. neutral sign for ecosystem
  4. dual-sided sign for ecosystem

MCQ 3: Use of chemical fertilizers causes:

  1. gaseous pollution
  2. water pollution
  3. air pollution
  4. soil pollution

MCQ 4: Dead algae and plants are decomposed by:

  1. bacteria
  2. fungi
  3. virus
  4. detritivores

MCQ 5: Profuse growth of bacteria results in:

  1. death of algae
  2. death of aquatic plants
  3. death of fish
  4. lesser nutrients in water

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