Question

16. Which is not true about agar ?
(1) It is obtained from red alga
(2) It is used to grow microbes
(3) It is used to make ice-cream and gellies
(4) It is used as food supplement even by space
travellers

Answer 1

Answer:

4

Explanation:

the product of chlorella and spirullina is used as food for space traveller

Answer 2

Which is not true about agar ?

Correct Answer (4) It is used as food supplement even by space travellers.

(1) It is obtained from red alga

• Red algae are the source of the jelly-like substance known as agar. Unbranched polysaccharides derived from the red algae's cell walls are what give algae their jelly-like texture.

(2) It is used to grow microbes

• Gelidium and Gracilaria provide the agar-agar used as a growth medium for bacteria.

(3) It is used to make ice-cream and gellies

• Used to prepare ice cream and jellies as well as to grow microorganisms.

(4) It is NOT used as food supplement even by space

travellers.

#SPJ3