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Algal blooms impart a distinct colour to...

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.

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.

Text Solution

Verified by Experts

The correct Answer is:
A

Algal blooms impart a distinct colour to water due to their pigments.
Type of Algae : (i) Green Algae (ii) Brown Algae (iii) Red Algae (iv) Blue-Green Algae
Pigments: (i) Chlorophyll-a and b (ii) Chlorophyl 1. a and c, fucoxanthin (iii) Chlorophyll-a and d phycoerythrin (iv) Chlorophyll-a, carotenoids, phycobilins and phycoerythrene
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