MPSC Rajyaseva 2020 CSAT — Question 33

सांडपाण्याचे वनस्पती खाद्यमध्ये रूपांतर ......... मुळे होते. / The sewage is converted into plant food by :

(a)भौतिक क्रिया / Physical action

(b)रासायनिक क्रिया / Chemical action

(c)कार्बन डायऑक्साइड / Carbon dioxide

(d)जीवाणू / Bacteria

1)(a), (c)

2)(b), (c)

3)(b), (d)✓ Correct

4)(b), (c), (d)

Sewage is converted into plant food (nutrients like nitrates and phosphates) primarily through chemical actions and the action of bacteria.

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