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JIPMER 2009
Exam
JIPMER
Year
2009
Subject
Botany
Chapter
Plant Kingdom

JIPMER 2009 · Botany · Plant Kingdom

Agar-agar is obtained from

Agar-agar is obtained from

Options

  1. AChlorella
  2. BSpirogyra
  3. CUlothrix
  4. DGelidium

Correct answer

D. Gelidium

Step-by-step solution

Gelidium, Gracilaria, Pterocladia are red algae having industrial importance. They produce a jelly like substance agar-agar, used as culture medium with a number of different uses. Chlorella, a green alga contains 50\% protein, vitamins. Antibiotic chlorellin has been extracted from Chlorella, found to be more effective against bacteria. Spirogyra, a green alga is also known as water-silk.
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