Agar-agar is commercially obtained from

Options

A. green algae
B. blue-green algae
C. brown algae
D. red algae.

Answer

D

Explanation

Agar is gel-like non-nitrogeneous extract obtained from red algae. It is used as a medium in the cultures of bacteria, fungi and other microorganisms and also in numerous industrial processes, e.g., food, bakery, cosmetics, leather, textile industries, in confectionery, etc.