Question

Biological weathering of rock is caused by

• A. Lichens
• B. Mosses
• C. Roots of plants
• D. All of the above

Answer 1

Answer: (D)

All of the above

• The weathering of rocks is responsible for the formation of soil. It occurs due to a variety of reasons like under the effect of lichens.
• Lichens cause the breakdown of rock materials and organic minerals. Thus they breakdown the surface of rocks.
• Mosses also release different gases and cause the breakdown of rocks they grow on.
• Roots of plants that grow on rocks cause cracks on the surface of rocks.
• Thus, all these factors are responsible for the weathering of rocks.