1. Tardigrade
  2. Question
  3. Biology
  4. Agar-agar is (1) a jelly like substance, employed in the manufacture of ice cream (2) used in culture medium for microorganisms as solidifying agent (3) obtained from Gelidium, Gracilaria (4) a product of brown algae

Q. Agar-agar is
(1) a jelly like substance, employed in the manufacture of ice cream
(2) used in culture medium for microorganisms as solidifying agent
(3) obtained from Gelidium, Gracilaria
(4) a product of brown algae

 1674  243 BHUBHU 2007 Report Error

Solution:

A jelly-like substance called agar-agr. It is a complex polysaccharide, it is extracted has certain sps of red algae belonging to Gelidium, Gracillaria and Gigartina. It is used as solidifying agent in making culture medium for micro-organisms. Also used as stalizer or emulsifier in food, cosmetics and leather industries.