1. : The primary objective of soil conservation is:
(A) To increase rainfall
(B) To prevent soil erosion
(C) To improve irrigation
(D) To reduce fertilizer use
2. : The most common type of water erosion is:
(A) Sheet erosion
(B) Gully erosion
(C) Rill erosion
(D) Stream bank erosion
3. : Contour farming is mainly practiced to:
(A) Increase crop yield
(B) Reduce soil erosion
(C) Improve drainage
(D) Increase fertilizer application
4. : Bench terracing is more suitable for:
(A) Gentle slopes
(B) Steep slopes
(C) Flat lands
(D) Sandy soils
5. : The Universal Soil Loss Equation (USLE) is used to estimate:
(A) Rainfall intensity
(B) Soil fertility
(C) Soil erosion loss
(D) Irrigation requirement
6. : The vegetative barrier used in soil conservation is generally made of:
(A) Stones
(B) Bamboo
(C) Grasses
(D) Cement
7. : Strip cropping is practiced to:
(A) Reduce wind and water erosion
(B) Increase mechanization
(C) Increase soil salinity
(D) Improve soil pH
8. : Gully erosion is first formed due to:
(A) Sheet erosion
(B) Landslide
(C) Wind erosion
(D) Glacier movement
9. : The mechanical method of soil conservation is:
(A) Afforestation
(B) Mulching
(C) Contour bunding
(D) Crop rotation
10. : The capacity of soil to absorb water is known as:
(A) Field capacity
(B) Infiltration capacity
(C) Percolation rate
(D) Water holding capacity
11. : The main cause of wind erosion is:
(A) High rainfall
(B) Strong winds
(C) Over-irrigation
(D) Soil salinity
12. : Which conservation structure is constructed across gullies?
(A) Check dam
(B) Contour bund
(C) Bench terrace
(D) Vegetative barrier
13. : Shelterbelts are used to control:
(A) Water erosion
(B) Wind erosion
(C) Soil fertility
(D) Soil salinity
14. : The K factor in USLE refers to:
(A) Rainfall erosivity factor
(B) Soil erodibility factor
(C) Crop management factor
(D) Conservation practice factor
15. : Waterlogging can be controlled by:
(A) Deep ploughing
(B) Surface irrigation
(C) Subsurface drainage
(D) Afforestation
16. : The vegetative method of soil conservation includes:
(A) Contour bunding
(B) Strip cropping
(C) Bench terracing
(D) Check dams
17. : Contour bunding is effective where the slope is:
(A) More than 10%
(B) Less than 6%
(C) More than 20%
(D) Flat land
18. : The main purpose of mulching is:
(A) Increase soil temperature
(B) Reduce evaporation losses
(C) Increase soil erosion
(D) Increase soil acidity
19. : Ravines are formed due to:
(A) Wind erosion
(B) Gully erosion
(C) Glacier erosion
(D) Sheet erosion
20. : The land capability classification is based on:
(A) Fertility
(B) Erosion hazard
(C) Crop type
(D) Irrigation type
21. : The vegetative cover that protects soil from raindrop impact is:
(A) Trees
(B) Grass
(C) Crop canopy
(D) All of these
22. : In USLE, the factor ‘C’ stands for:
(A) Soil type
(B) Crop management
(C) Conservation practice
(D) Rainfall intensity
23. : Bunds are constructed along:
(A) Slope
(B) Contour
(C) Gully
(D) River bank
24. : Windbreaks are effective when planted:
(A) Parallel to wind direction
(B) Across the wind direction
(C) Randomly
(D) Along rivers
25. : The main aim of soil and water conservation engineering is:
(A) Maximize soil erosion
(B) Improve crop marketing
(C) Ensure sustainable land use
(D) Increase use of fertilizers