1.

Question : Cattle dung is commonly used for biogas production because (a) Cattle dung is a rich source of methanogens (b) It has large amount of cellulose as cattle are herbivores (c) It is easily available in large quantities in rural areas

Answer»

(a) & (B)
(a) & (C)
(b) & (c)
(a) (b) & (c)

ANSWER :B


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