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Biology · PLANT KINGDOM

हिन्दी

Hydrocolloids are water-holding substances extracted commercially from marine algae. Which pair correctly matches the hydrocolloid with its natural algal source class?

  1. Algin from red algae (Porphyra) and Carrageen from brown algae (Laminaria).
  2. Algin from brown algae and Carrageen from red algae.
  3. Agar from green algae (Chlorella) and Algin from red algae (Gelidium).
  4. Carrageen from brown algae (Sargassum) and Agar from green algae (Volvox).

Correct answer · Option 2

Algin from brown algae and Carrageen from red algae.

Explanation

Algin is a hydrocolloid produced by brown algae, whereas carrageen is produced commercially by red algae.
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