Question

Write a note on economic importance of algae.​

Answer 1

Answer:

Algae are very important for us they are used in various ways such as food source..... A fodder..... In fish farming...... An also as a fertilisers

They also pay an important role in alkaline reclaiming

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Answer 2

Answer:

Importance of Algae

• Algae fixes Carbon dioxide with the help of photosynthesis

• It increases the level of dissolved oxygen in their immediate environment

• They produce rich compounds that serve as food for aquatic animals.

• Marine algae are used as food ex: Laminaria and Sargassum

• Certain algae are used as hydrocolloids

• Agar is used in growing microorganisms and in preparation of jellies.

• Chlorella is used as food by space travellers.

Importance of Gymnosperms

• Gymnosperms plants are used as ornamentals. Some are features in formal gardens – used for bonsai

• Their fibers are used in the preparation of paper pulp.

• Turpentine and resins are obtained from confers resin

• Useful oils are extracted from gymnosperms like junipers, pines, hemlock, fir, spruces, and arborvitae.

• Gymnosperm seeds are used as food products like bakery items.

• Occassionaly used to create silk and other textiles