Algal blooms impart a distinct colour to water due to:
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.


NCERT Class XII
Biology - Main Course Book

Chapter 16. Environmental Issues

2

Answers

2015-06-25T19:06:12+05:30
Answer for your question 
 is option a

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2015-06-25T19:12:09+05:30
Option A  --  their pigment is the answer.
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