Question 1 :
Click and choose the correct option.<br>When the soil is eroded, the land loses its fertility.
Question 2 :
Choose the correct option.<br>Which of the following does not increase soil erosion?
Question 3 :
Choose the correct option.<br>It took a few years for rocks to become soil.
Question 4 :
Choose the correct option.<br>The carrying away of soil by wind and water is called soil conservation.
Question 6 :
Choose the correct option.<br>Soil is the uppermost layer of the Earth.
Question 7 :
Choose the correct option.<br>Which of the following does not help to stop soil erosion?
Question 8 :
Click and choose the correct option.<br>When a river reaches the plains from the hills, it slows down.
Question 10 :
Choose the correct option.<br>Which of the following is the top layer of the Earth’s surface?
Question 11 :
Choose the correct option.<br>The process of planting trees in large numbers is called
Question 12 :
Click and choose the correct option.<br>Trees and bushes around the fields help to protect the soil.
Question 13 :
Click and choose the correct option.<br>Human beings do not cause soil erosion.
Question 15 :
Choose the correct option.<br>The process of breaking of rocks into smaller pieces by the continuous action of heat, rain, wind and water is called
Question 16 :
Choose the correct option.<br>The method of growing crops on steps in hills is called
Question 17 :
Choose the correct option.<br>Cutting down large numbers of trees in a forest is called
Question 20 :
Choose the correct option.<br>The water and the wind had helped to make soil. They also helped to take away the soil.