Botany · Plant Kingdom

NEET (UG) 2023 — Question 108

Which one of the following statements is NOT correct?

Option A:
Algal blooms caused by excess of organic matter in water improve water quality and promote fisheries.
Correct
Option B:
Water hyacinth grows abundantly in eutrophic water bodies and leads to an imbalance in the ecosystem dynamics of the water body.
Option C:
The amount of some toxic substances of industrial waste water increases in the organisms at successive trophic levels.
Option 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

Answer: A

Algal bloom imparts a distinct colour to the water bodies. It causes deterioration of the water

quantity and fish mortality.

Answer key and solution verified before publishing.

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