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  • While on a visit to a pond in the city-neighbourhood, the visitors were delighted to find large expanse of water covered with colorful algal mass. (a) As a student of biology, do you agree with their delight? Give reasons in support of your a

While on a visit to a pond in the city-neighbourhood, the visitors were delighted to find large expanse of water covered with colorful algal mass.

(a) As a student of biology, do you agree with their delight? Give reasons in support of your answer.

(b) Explain the cause of such algal growth.

 

 

 

 
 
 
 
 

Answers (1)

(a) Being a biology student, I don’t agree with the visitors' delight. Excessive algal growth known as algal bloom would impart a distinct to color to the water body. Algal bloom causes deterioration of water quality and fish mortality. These bloom-forming algae are extremely toxic to human beings and animals.

(b) The presence of large amounts of nutrients in water causes excessive growth of planktonic (free-floating) algae, called as an algal bloom. Such nutrients are released in water due to the use of fertilizers in the areas near the water body and effluents released from factories and homes.

Posted by

Priyanka Kumari

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