The commercially exploited algae include

Caulerpa, Chara, Volvox

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Gelidium, Laminaria and Porphyra

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Acetabularia, Spirogyra and Ulothrix

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All of the above

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Solution

The correct option is B Gelidium, Laminaria and Porphyra
Option B is correct because Porphyra, Laminaria are among the 70 species of marine algae that are used as food and Gelidium is a commercially important source of Agar and most recently these species are also used in cosmetics, skin care and sunscreen ingredients.

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Similar questions

(a)

(b)

(c)

(d)

Find the incorrect match from the following:

(A) Thallophyta - Also called Algae - Spirogyra, Chara

(B) Bryophyta - Amphibians of the plant kingdom - Funaria, Ulothrix

(D) Gymnosperms - Naked seeds - Pinus, Cycas

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