Q3 of 7 Page 166

Match the following.


(a) Algae are small green plants which dies and decomposed into the soil.


(b) Strong blowing wind is a soil erosion agent. It causes top soil to carry away to the distant places


(c) Social forestry started to encourage small farmers and adivasis to plant trees and do agriculture activity on the fallow (empty) and barren land. The number of trees has risen and wood has become available in plenty for the poor people to earn some money.


More from this chapter

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1

Answer the following question.

What steps can be taken to prevent erosion of soil?

 2

'True or false?

(a) The texture of soil can be determined from its colour.


(b) Soil is formed by the fast flowing currents of water.


(c) Sandy soil has little capacity for holding water.

 4

Fill in the blanks.

(a) Plants satisfy man's basic needs for ………..,……….. and ……… .


(b) …………… and …………… are the organic constituents of soil.


(c) Land should be ……………. to prevent erosion.


(d) Disturbance of the natural balance of soil is called soil ………………


(e) The government has started the ………. project protect forests.

 1

Take some clay and sprinkle water on it to make a soft dough. Shape it as you like to make things of your choice. Keep these things aside for a few hours. The clay will harden and your articles will be ready.