Soil profiles consist of three layers which are called
(a) top soil
(b) horizons
(c) subsoil
(d) bedrock

Q.

Question 13

Locate the following zones given as boxed items in Figure 9.1 which shows a diagram of the soil profile.

$\begin{array}{c}Topsoil,Subsoil,C-horizon,Bedrock\end{array}$

Q. Locate the following zones given as boxed items in figure which shows a diagram of soil profile.

Topsoil, Subsoil, C-horizon, Bedrock

Q. Given figure represents the organic soil profiile, showing different layers/horizons of soil.
Which of the folllowing statements regarding the soil profile are not true?
(i)maximum roots oof plants are found n horiizon A.
(ii) Maximum nutrients are present in horizon B.
(iii) Horizon B contains party weathered rocks
(iv) Horizon C contains roots of the pllants and mineral salts.

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. B-horizon is the most fertile part of the soil. ( )
2. Overgrazing leads to soil erosion. ( )
3. A fertile soil is rich in humus. ( )
4. Bedrock lies above the subsoil. ( )
5. Topsoil is soft, porous and retains water. ( )

Q. Explain different horizons of soil profile.