Soil Erosion And Conservation Quiz 1 (20 MCQs)

Quiz Instructions

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1. Which of the following prevents afforestation in deserts

Correct Answer: A) Low rainfall.

2. The plants commonly sown for crop rotation are

Correct Answer: A) Trigonella and Trifolium.

3. The term riparian erosion is applied to

Correct Answer: D) Stream bank erosion.

4. One of the following crops is the most effective in controlling soil erosion

Correct Answer: D) Pigeon pea.

5. Terracing is an affective method of soil conservation

Correct Answer: B) Hilly areas.

6. Constant grazing and browsing in an area may ultimately result in the formation of

Correct Answer: A) Desert.

7. When trees and shrubs are planted in long rows along streams, they are described as

Correct Answer: B) Shelter belts.

8. Rotation of crop is essential for

Correct Answer: A) Increasing fertility of soil.

9. Gully development is accomplished under

Correct Answer: A) Four.

10. The soil binding is done in the best way by

Correct Answer: B) Grasses.

11. Gabion structure are

Correct Answer: C) Both.

12. In dry farming initially the fertility of the land can be increased by

Correct Answer: C) Animal husbandry.

13. Soil conservation is the process where

Correct Answer: C) Soil is protected against loss.

14. If there is a little slope in the field, the soil erosion can be prevented by

Correct Answer: C) Contour strip cropping.

15. Gullies are removed by

Correct Answer: A) Levelling.

16. Mulch tillage increases

Correct Answer: A) Moisture content in the soil.

17. Deforestation causes

Correct Answer: C) Soil erosion.

18. The magnitude of wind turbulence is greater at

Correct Answer: A) Ground surface.

19. Soil erosion can be reduced by

Correct Answer: D) All of those.

20. Fifth of June is celebrated as

Correct Answer: C) World environment day.