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BotanyNEET 2023

Botany question

Which one of the following statements is not correct?

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

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