Soil Erosion And Conservation Quiz 3 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Bunds, dams and drains are constructed to prevent

Correct Answer: A) Gully erosion.

2. Soil erosion is a Three phase phenomena

Correct Answer: D) All.

3. The fertility level of any soil is generally determined by

Correct Answer: D) All of these.

4. Over-all mineral level of soil recedes due to

Correct Answer: C) Both (a) and(b).

5. Rill erosion is also called as

Correct Answer: A) Micro channel irrigation.

6. Bunds are constructed for the purpose of

Correct Answer: C) Both.

7. It occurs under normal conditions

Correct Answer: B) Geological erosion.

8. Soil erosion in plains consequent to rain fall is initiated by

Correct Answer: C) Sheet erosion.

9. Contour binding is done to check

Correct Answer: A) Sheeterision.

10. Digging pits on the slopes just for the accumulation of run off is called as

Correct Answer: A) Contour trenching.

11. Land capability unit refers to the

Correct Answer: A) Classifying the land.

12. The most common method used for cultivation on hills

Correct Answer: A) Bench terracing.

13. Side effect of heavy and constant grazing is that the

Correct Answer: D) All of the above.

14. The grazing animals can change the type of vegetation by

Correct Answer: B) Selective grazing.

15. Eroded soils are

Correct Answer: B) Devoid of plant nutrients.

16. The ecological equilibrium in mined areas can be achieved by

Correct Answer: D) Developing a vegetational cover.

17. Grasses possess great regenerative power because they are

Correct Answer: D) Constantly grazed.

18. Sheet erosion is caused by

Correct Answer: C) Heavy rains.

19. Soil conservation can best achieved by having

Correct Answer: C) Good plant covers.

20. Erosion of very fine particles is seen on account of

Correct Answer: A) Saltation.