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Question
Even though algae are the primary producers of the aquatic ecosystem, they benefit man in various ways. Which of the given below options is not a function of algae?
Even though algae are the primary producers of the aquatic ecosystem, they benefit man in various ways. Which of the given below options is not a function of algae?
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Solution
The correct option is A Nitrogen fixation
Algae benefit man in a variety of ways. Algae do half of the CO2 fixation on earth. Many species of marine algae are used as food. Agar-agar is obtained from Gracilaria and Geledium. Agar is used for the growth of microbes and in the preparation of ice-cream and jellies. Chlorella and Spirullina are rich protein sources and are used as a food supplement by the space travellers.
Nitrogen fixation is done by cyanobacteria or blue green algae. But, the blue green algae do not belong to the algae group of phylum Plantae under Five Kingdom of classification. They belong to phylum Monera.
Algae benefit man in a variety of ways. Algae do half of the CO2 fixation on earth. Many species of marine algae are used as food. Agar-agar is obtained from Gracilaria and Geledium. Agar is used for the growth of microbes and in the preparation of ice-cream and jellies. Chlorella and Spirullina are rich protein sources and are used as a food supplement by the space travellers.
Nitrogen fixation is done by cyanobacteria or blue green algae. But, the blue green algae do not belong to the algae group of phylum Plantae under Five Kingdom of classification. They belong to phylum Monera.