Name: Soil Types and Vegetation
Uploaded: 2019-07-19
Duration: 4 min 8 s
Description: In this video, we will learn about the soil suitable for producing different types of crops like paddy, lentils, cotton, and soil used in making pots.

Question

Solve the crossword puzzle given alongside with the help of the clues given below:

Across

5. Downward movement of water in the soil ( 11)

7. Soil layer below the topsoil (3, 4)

8. Process by which soil is formed (10)

Down

1. Term to describe the relative amounts of different sized soil particles ( 4, 7)

2. The rocky area below the C-horizon (3, 4)

3. Removal of topsoil by wind or water (4, 7)

4. Term for a layer of soil (3, 4)

6. Dead matter which makes the soil fertile ( 5)

Accepted Answer

Across

5. Downward movement of water in the soil is known as percolation of water. The ratio of the amount of water to the percolation time gives the percolation rate of a particular type of soil.

7. Subsoil is the layer below the topsoil it is also called as B-horizon. This layer of soil is rich in humus, and it has very little humus.

8. The process by which soil is formed is weathering. The process of break down of rocks by the action of running water, wind, temperature changes is known as weathering.

Down

1. Term to describe the relative amounts of different sized soil particles is soil texture. In different soil, the relative proportion of different soil particles varies.

2. The rocky area below the C-horizon is called bedrock. It is very hard and cannot be dug with a spade. Rainwater is collected over the bed rock forming the water table.

3. Removal of topsoil by wind or water is soil erosion, it happens where the soil is not covered by plants.

4. The layer of the soil is known as the horizon. A vertical section which shows the arrangement of different layers or horizons of the soil is known as the soil profile.

6. Dead matter which makes the soil fertile is humus. It is the organic matter formed by the decomposition of remains of dead plants and animals. It is the source of nutrients for plants.

Important Questions on Soil

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