Question

B. Fill in the blanks with the words given in the brackets,
1. One-fifth of the area of earth's surface is covered with
2. A vertical section of the soil shows the
3. Weathering is a very
process which takes hundreds of years.
consists of small lumps of rocks.
5. The upper horizon of soil profile is rich in
(soil
State whether the following statements are true or false,
1. C-horizon is the layer of soil which is rich in humus.
2. Tilling or ploughing of soil loosens the soil causing soil erosion
3. Khadar is the soil formed in the Himalayan regions.
4. Sandy soil cannot hold nutrients.
5. Step farming is one of the causes of soil erosion.
D. Match the following.
1. A-horizon
2. B-horizon
3 C-horizon
(a) Khadar
(b) Lumps of rocks
(c) Humus​

Answer 1

Answer:

Bhanga

bhangar soil are formed of old alluvium

it is less fertile

forms terrace like features

do not get renewed

Khadar

khadar soil is formed of new alluvium

it is more fertile

it contain calcerous deposit locally known as kankar

it gets renewed every year

Answer 2

Answer:

one-fifth of the area of earth's surface is covered with