ARD NABARD MAINS 2020 Quiz 6: Soil Erosion and Conservation June 23, 2020June 10, 2021 Soil Erosion and Conservation Please enter your email: 1. Over-all mineral level of soil recedes due to: Leaching only Utilization by plants Both (a) & (b) Chemical reactions None of the above 2. Odum has described soil erosion as: Soil pollution Creeping death of soil Loss of living stratum Loss of feeding zone None of the above 3. A slopy land on account of continued rainfall initially under goes: Rill erosion Gully erosion Sheet erosion All of these None of the above 4. The amount of soil lost to sea each year due to rainfall is around: 3,000 million tons 3,000,000 million tons 3,00,00,000 million tons 3,00,000 billion tons None of the above 5. The chief cause of accelerated erosion is: Excessive rains Wind storms Overfelling and overgrazing All of these None of the above 6. The soil erosion on slopes proceeds in the following manner: Gully ? Rill ? ravine Rill ? Ravine ? Gully Rill ? Gully ? Ravine Ravine ? Rill ? Gully None of the above 7. Wave erosion is more prevalent and well marked: Along rivers At the sea shore In water falls In all these places None of the above 8. Soil conservation is the process where: Sterile soil is converted into fertile soil Soil is aerated Soil erosion is allowed Soil is protected against loss None of the above 9. The plants commonly sown for crop rotation are : Cajanus and Dalbergia Cajanus and Aeschynomene Dalbergia and trigonella Trigonella and Trifolium None of the above 10. In dry farming initially the fertility of the land can be increased by: Agrostology Basin listing Growing grazing fields Animal husbandry None of the above Loading …