Question

suuns: (One mark questions)
1. The removal of the topmost fertile soil is called
(a) soil conservation. (b) soil erosion. (c) soil formation.(d) soil profile.
2. Which horizon of soil contains minerals?
(a) A-horizon (b) B-horizon
(c) C-horizon (d) All of them
3. The top soil is dark in colour due to the presence of
(a) minerals.
(b) humus.
(c) water.
(d) air.
4. The agents of weathering of rocks are
(a) wind and water. (b) living organisms. (c) ice and climate. (d) all of them.
5. The best soil for growing plants is
(a) sandy soil. (b) clayey soil. (c) loamy soil. (d) none of these.
6. Which of the following factors influences soil formation?
(a) Parent rock
(d) All of them
(b) Climate (c) Vegetation
7. The proportion of sand, silt and clay in a soil determines its
(c) fertility.
(d) nutrient potential.
(b) structure.
(a) texture.​

Answer 1

Answer:

1)Soil erosion

2)B-horizon

3)Humus

4)All of them

5)Loamy soil

6)All of them

For the seventh answer , I am not sure