ARD NABARD MAINS 2020 Quiz 4 : Soil Erosion and Conservation June 23, 2020June 10, 2021 Soil Erosion and Conservation Please enter your email: 1. The cutting of trees from the forests of hill near a catchment area: Will have no effect on causing floods in plain May cause flood in plains in rainy season Will have no effect on climatic condition of that area Will benefit the mankind for more area for cultivation None of the above 2. Grasses possess great regenerative power because they are: Dominat species Rhizomatous Constantly grazed fast growing None of the above 3. To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called: Ley farming Mulching Basin listing Strip cropping None of the above 4. Soil erosion in plains consequent to rain fall is initiated by: Rill erosion Sheet erosion Gully erosion All of these None of the above 5. The term riparian erosion is applied to: Gully eorsion Slip erosion Wind erosion Stream bank erosion None of the above 6. It occurs under normal conditions: Geological erosion Surface creep Both (a) & (b) Accelerated erosion None of the above 7. Erosion of very fine particles is seen on account of: Saltation Suspension Surface creep Shifting of dunes None of the above 8. If the top soil has been eroded, we retire a land and grow over it: Lichens Blue-green algae Legumes Grasses None of the above 9. If the same crop is repeatedly grown in a field: Nitrogen starvation many result Specific mineral deficiency may arise Soil will become prone to diseases Water level in soil will recede None of the above 10. Bunds, dams and drains are constructed to prevent: Stream bank erosion Sheet erosion Slip erosion Gully erosion None of the above Loading …