Q2 B of 12 Page 74

Answer the following questions in about 30 words.

What are the main factors responsible for the formation of soil?


Formation of soil is affected by relief, climate, parent rock material, vegetation, duration of weathering and presence or absence of other life forms.


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1 D

Choose the right answer from the four alternatives given below.

Arable land in the irrigated zones of India is turning saline due to which of the following reasons?


 2 A

Answer the following questions in about 30 words.

What is soil?


 2 C

Answer the following questions in about 30 words.

Mention the three horizons of a soil profile.


 2

Answer the following questions in about 30 words.

What is soil degradation?