SELECT * FROM question_mgmt as q WHERE id=144 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=7 AND chapterId=4 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th biology Biological Classification find out what do the terms algal bloom and red tid

Question: Find out what do the terms algal bloom and red-tides signify.

Answer:

Algal bloom refers to vigorous growth of algae or blue-green algae in water, due to enrichment of water body with minerals nutrients coming from fields, resulting in discoloration of the water body. This causes an increase in the biological oxygen demand (BOD), resulting in the death of fishes and other aquatic animals, due to suffocation.


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  • Answered by Ekta Mehta
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  • Answered by Ekta Mehta
  • 4 months ago

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