Q.

Is it true that humus is formed by the action of insects on soil?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
Animals like earthworms, which break down the organic debris on the soil's surface, produce humus. Decomposing plants and animals produce humus, which is brownish in colour. The creation of humus is greatly aided by the decomposition of leaves. such as mosses, lichens, and ferns, which are little plants. When they pass away, they combine with the earth to create humus.
The correct statement would be, “Humus is formed when animals such as earthworms decompose the organic matter present on the surface of the soil”.
 
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