Degradation and Conservation of Soil

Q.

Answer the following questions.

(i)Which are the two main climatic factors responsible for soil formation?

(ii)Write any two reasons for land degradation today.

(iii)Why is land considered an important resource?

(iv)Name any two steps that government has taken to conserve plants and animals.

(v)Suggest three ways to conserve water.

Q. What are shelter belts?

1. Planting rows of trees to prevent soil erosion.
2. Growing strips of grass in between crops.
3. Growing big plants in between coffee plants to protect them from direct sunlight.
4. The process of terrace farming.

Q. In , organic matter is used to cover the soil which helps in retaining soil moisture.

1. terrace farming
2. mulching
3. contour barriers
4. rock dams

Q. Select the correct option regarding the statements A and B.

A: Deforestation results in soil erosion.
B: The roots of plants cause cracks in rocks, leading to weathering

1. Both A and B are correct, and B is the correct explanation for A.
2. Both A and B are correct, and B is not the correct explanation for A.
3. A is correct. B is wrong.
4. B is correct. A is wrong.

Q. Contour lines are lines that join points at different elevations.

1. False
2. True