Question
Biology Question on Algae
Agar-Agar is obtained from
A
Gigartina
B
Gefidium
C
Gracillaria
D
All of these
Answer
All of these
Explanation
Solution
Agar-agar is a jelly-like substance that is a non-nitrogenous carbohydrate. It consists of twopolysaccharides- agarose and agaropectin.
- Agar agar is obtained from red algae like Gracillaria, Gefidiurn, and Gigartinia.
- It was discovered by Lady Hesse and used by Robert Koch to solidify culture medium.