Q.

Which one of the following is the indirect use of forests?

A. Medicinal plants
B. Checking soil erosion
C. Building material
D. Grazing
Answer» B. Checking soil erosion
Explanation: Some of the indirect uses of forests include: prevention and control of soil erosion, flood control, checks on spread of deserts, increase of soil fertility, and effect onclimate. Forests play a significant role in the prevention and control of soil erosion by water and wind. The destruction of forest cover leads to increased runoff of rain water and its diminished seepage in soil.
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