ARD NABARD MAINS 2020 Quiz 2 : Soil Erosion and Conservation June 22, 2020June 10, 2021 Soil Erosion and Conservation Please enter your email: 1. Terracing is an affective method of soil conservation: Desert areas Hilly areas Plains Riverine areas None of the above 2. Which is the main causative factor for desertification ? Irrigated agriculture Overgrazing Tourism Development activities None of the above 3. Deforestation may reduce the chances of: Rain fall Frequent cyclones Erosion of surface soil Frequent landslides None of the above 4. Deforestation causes: Soil erosion Pollution No floods All of the above None of the above 5. One of the following crops is the most effective in controlling soil erosion: Cotton Pigeon pea Green gram Maize None of the above 6. Sheet erosion is caused by: Fast running rivers Wind Heavy rains Glaciers None of the above 7. Soil conservation means: Prevention of spread of desert To check soil erosion by wind and rains To check soil erosion by afforestation All of these None of the above 8. Soil conservation can best achieved by having: Wind screens Good plant covers Restricted human activity Low rainfall None of the above 9. Main indicator of soil erosion is: Deforestation Afforestation Ozone layer Goats and grazing animals None of the above 10. Dark coloured soils are considered most fertile as they contain: Gravel and sand Sand and calcium Clay and humus Silt and earthworms None of the above Loading …