First slide

Water Pollution and its Control

Question

Algal blooms impart a distinct colour to water due to

Easy

A

their pigments
B

excretion of coloured substances
C

formation of coloured chemicals in water facilitated by physiological degradation of algae
D

absorption of light by algal cell wall

Solution

An algal bloom is a rapid increase in the population of phytoplankton algae in an aquatic system. Typically only one or a few species are involved and the bloom is recognized by discoloration of the water resulting from the high density of pigmented cells.

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