Commercial agar is obtained from
A. Chlorella
B. Gracilaria
C. Parphyro
D. Volvox
Answer: Option B
Solution(By Examveda Team)
The gelling agent in agar is an unbranched polysaccharide obtained from the cell walls of some species of red algae, primarily from tengusa (Gelidiaceae) and ogonori (Gracilaria). For commercial purposes, it is derived primarily from ogonori.Related Questions on Biology
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A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
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B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
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B. gymnosperms
C. monocotyledons
D. dicotyledons
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B. germination of pollen grains
C. growth of pollen tube in ovule
D. visiting flowers by insects
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