A) Gelidium
B) Laminaria
C) Laminaria and Polysiphonia
D) Batrachospernum.
Correct Answer: A
Solution :
: Agar which is a gel, polysaccharide is obtained from sea weeds belonging to genus Gelidium, including species of Gracilaria (red algae). This substance is used as sound proof. It is also used in manufacture of artificial fibres, leather, sauce, as a gel for canning fish and meat and for making desserts. The most important use of agar is in preparing culture media to grow bacteria and other micro-organisms for laboratory research.
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