Question

(i)
Blue-green algae is -​

Answer 1

Answer:

Autotrophic

Explanation:

Cyanobacteria are also known as Blue Green Algae. They are Gram positive prokaryotes. They are photosynthetic and have pigments like chlorophyll a, carotenoids, along with phycobilins. They have autotrophic mode of nutrition.

Answer 2

Explanation:

blue green algae are actually type of bacteria known as cyanobacteria . they normally look green and sometimes may turns blue when scums are dying. taste and oudor problem commonly occur with large concentration of blue green algae and some species are capable of producing toxin

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