Mention the economic importance of multicellular algae.

1 Answer

Answer :

a) Some species of algae are used as cattle feed.

b) Algin, a substance obtained from brown algae is used in preparation of ice creams and

chocolates.

c) Agar, a substance obtained from Gelidium a red algae is used as a medium for

culturing bacteria in the laboratory.

d) Red algae called Porphyra is used as a condiment.

e) Algae growing in decaying water liberate oxygen and help in purification of water.

f) Laminaria, a brown algae is used in the production of potassium and iodine.

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