Consider the following statements
I. Agar, one of the commercial products obtained from 
and 
are used to grow microbes and in preparations of ice-creams and jellies
II. 
and 
are used in sewage disposal ponds
III. Some species of marine algae like 
and 
are used as food
Which of the statements given above are correct?
a)
I and II
b)
I and III
c)
II and III
d)
I, II and III
Consider the following statements
I. Agar, one of the commercial products obtained from and are used to grow microbes and in preparations of ice-creams and jellies
II. and are used in sewage disposal ponds
III. Some species of marine algae like and are used as food
Which of the statements given above are correct?
a)
I and II
b)
I and III
c)
II and III
d)
I, II and III
Question ID - 1674 | SaraNextGen Top Answer
Consider the following statements
I. Agar, one of the commercial products obtained from and are used to grow microbes and in preparations of ice-creams and jellies
II. and are used in sewage disposal ponds
III. Some species of marine algae like and are used as food
Which of the statements given above are correct?
a)
I and II
b)
I and III
c)
II and III
d)
I, II and III
|
Consider the following statements I. Agar, one of the commercial products obtained from II. III. Some species of marine algae like Which of the statements given above are correct? |
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|
a) |
I and II |
b) |
I and III |
c) |
II and III |
d) |
I, II and III |
|
(d) Agar is obtained from Gelidium, Gracilaria, Chondrus, Ceramium, etc., and used in microbiological works to solidify culture media. Green unicellular algae such as Chlorella and Chlamydomonas are used in sewage disposal ponds. They remove |
and restore 
by the process of photosynthesis and make the sewage water enhitable for many fishes and aerobic bacteria. Porphyra Laminaria and Sargassum are used as food