Q.

Match the following
Column-I Column-II
(P) BOD (i) Food for cattle
(Q) Flocks (ii) Association of Bactaria and filaments of mold in water
(R) Encilage (iii) Measure of the organic matter in a water
(S) Biogas (iv) Anaerobic metabolisom on biowaste

A. (R-i) (Q-ii) (P-iii) (S-iv)
B. (Q-i) (R-ii) (S-iii) (P-iv)
C. (P-i) (S-ii) (R-iii) (Q-iv)
D. (S-i) (P-ii) (S-iii) (R-iv)
Answer» A. (R-i) (Q-ii) (P-iii) (S-iv)
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