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Question

Identify the correct match.

COLUMN ICOLUMN II(a) Moss(i) nitrogen fixing bacteria(b) Humus(ii) helps in soil formation(c) Rhizobium(iii)makes soil more porous

A
(a)-(iii), (b)-(i),(c)-(ii)
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B
(a)-(ii), (b)-(iii),(c)-(i)
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C
(a)-(ii), (b)-(i),(c)-(iii)
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D
(a)-(iii), (b)-(ii),(c)-(i)
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Solution

The correct option is B (a)-(ii), (b)-(iii),(c)-(i)
Rhizobium is a soil bacteria that fixes nitrogen once they found a base inside root nodules of legumes. In other terms, they can be defined as legume root-nodule bacteria.
Microorganisms in forest feed upon the dead plant and animal tissues and convert them into a dark coloured substance called humus. The presence of humus ensures that soil become more porous and allows water and air to penetrate deep underground. Moss is a small flowerless plant that grows on the surface of rocks and influence the formation of soil.

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