Class 11 Biology Biological Classification : NCERT Solutions for Question 4

This page focuses on the detailed Biological Classification question answers for Class 11 Biology Biological Classification , addressing the question: 'Find out what do the terms algal bloom and red-tides signify.'. The solution provides a thorough breakdown of the question, highlighting key concepts and approaches to arrive at the correct answer. This easy-to-understand explanation will help students develop better problem-solving skills, reinforcing their understanding of the chapter and aiding in exam preparation.
Question 4

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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