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Ecosystem question

2023 · Q36
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Ecosystem question

2023 · Q36

NEETBiologyEcosystemMCQ+4 / −1

Which one of the following statements is NOT correct?

  1. A
    Algal blooms caused by excess of organic matter in water improve water quality and promote fisheries
  2. B
    Water hyacinth grows abundantly in eutrophic water bodies and leads to an imbalance in the ecosystem dynamics of the water body
  3. C
    The amount of some toxic substances of industrial waste water increases in the organisms at successive trophic levels
  4. D
    The micro-organisms involved in biodegradation of organic matter in a sewage polluted water body consume a lot of oxygen causing the death of aquatic organisms
View written solutionFree

Correct answer: A

Algal bloom imparts a distinct colour to the water bodies. It causes deterioration of the water quantity and fish mortality.

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