1. : The main aim of soil conservation techniques is:
(A) To increase rainfall
(B) To prevent soil erosion and degradation
(C) To improve crop color
(D) To increase pesticide use
2. : Contour ploughing is done:
(A) Up and down the slope
(B) Along the contour lines
(C) In circular form
(D) At random
3. : Strip cropping is mainly used to:
(A) Increase fertilizer use
(B) Prevent both wind and water erosion
(C) Increase soil salinity
(D) Improve seed germination
4. : Bench terracing is suitable for:
(A) Flat lands
(B) Gentle slopes
(C) Steep slopes
(D) Sandy deserts
5. : Which of the following is a biological method of soil conservation?
(A) Terracing
(B) Afforestation
(C) Bunding
(D) Check dams
6. : Shelterbelts are rows of:
(A) Crops
(B) Grasses
(C) Trees
(D) Rocks
7. : The mechanical method of soil conservation is:
(A) Mulching
(B) Crop rotation
(C) Contour bunding
(D) Afforestation
8. : Mulching helps to:
(A) Increase evaporation
(B) Reduce evaporation and conserve moisture
(C) Increase erosion
(D) Increase soil acidity
9. : Gully erosion can be controlled by:
(A) Windbreaks
(B) Check dams
(C) Contour farming
(D) Crop rotation
10. : Which conservation method uses alternating strips of crops?
(A) Strip cropping
(B) Mulching
(C) Afforestation
(D) Bunding
11. : Contour bunding is most suitable for land with slope:
(A) Less than 6%
(B) More than 20%
(C) Exactly 15%
(D) Flat plains
12. : The most effective technique to control wind erosion is:
(A) Bench terracing
(B) Shelterbelts and windbreaks
(C) Contour ploughing
(D) Check dams
13. : Grassed waterways are designed to:
(A) Increase runoff speed
(B) Carry runoff safely without causing erosion
(C) Reduce crop yield
(D) Store water permanently
14. : Crop rotation as a conservation technique helps in:
(A) Improving soil fertility and reducing erosion
(B) Increasing monocropping
(C) Increasing soil erosion
(D) Destroying organic matter
15. : The practice of planting trees on degraded land is called:
(A) Deforestation
(B) Afforestation
(C) Mulching
(D) Strip cropping
16. : The method of cultivating across the slope is known as:
(A) Parallel ploughing
(B) Contour farming
(C) Vertical farming
(D) Random ploughing
17. : Which soil conservation technique directly reduces the raindrop impact?
(A) Vegetative cover
(B) Bench terracing
(C) Check dam
(D) Subsurface drainage
18. : The construction of small embankments across a slope is called:
(A) Bunding
(B) Mulching
(C) Strip cropping
(D) Crop rotation
19. : Which of the following is not a soil conservation method?
(A) Terracing
(B) Afforestation
(C) Overgrazing
(D) Mulching
20. : In dryland farming, the best method to conserve soil moisture is:
(A) Mulching
(B) Irrigation
(C) Overgrazing
(D) Terrace farming
21. : The main purpose of terracing is to:
(A) Increase slope
(B) Reduce runoff velocity and erosion
(C) Increase waterlogging
(D) Increase soil salinity
22. : Field strips of grass or legumes between crops are called:
(A) Filter strips
(B) Contour bunds
(C) Check dams
(D) Mulches
23. : The vegetative method to check wind velocity is:
(A) Crop rotation
(B) Shelterbelt plantation
(C) Mulching
(D) Bunding
24. : Which conservation technique prevents both erosion and enhances fertility?
(A) Afforestation
(B) Crop rotation
(C) Mulching
(D) All of these
25. : The integration of crops, trees, and livestock for soil conservation is known as:
(A) Agroforestry
(B) Hydroponics
(C) Monocropping
(D) Plantation farming