Question 11 MarkAny two methods to control gully erosion.AnswerPlugging the gullies and growing grass and trees in itView full question & answer→
Question 21 MarkThe minerals are found in Regur Soil.AnswerIron, potash, lime, magnesium, alumina, calcium, etc.View full question & answer→
Question 31 MarkThis soil is found on summits of eastern Ghats.AnswerLaterite soilView full question & answer→
Question 51 MarkThe loose rock material, together with humus, forming the uppermost layer of the earth's crust and serving a source of food and moisture for plants.AnswerSoilView full question & answer→
Question 61 MarkSoil is found suitable to grow rubber in Kerala.AnswerLaterite soilView full question & answer→
Question 71 MarkName the soil known for its self-ploughing quality and capacity to hold moisture.AnswerBlack soilView full question & answer→
Question 81 MarkName one agronomic measure to control erosion in hilly areas.AnswerTerraced farming/Contour ploughingView full question & answer→
Question 91 MarkState one difference between red and laterite soil.AnswerRed soil is formed from ancient metamorphic rocks whereas laterite soil is formed from laterite rock.View full question & answer→
Question 101 MarkSimilarity between red and laterite soil.AnswerBoth are red in colour, acidic in nature and in situ soils.View full question & answer→
Question 111 MarkThe constituent of soil that helps in aeration, increase nutrient absorbing capacity, and increase nutrient content of soil.AnswerHumusView full question & answer→
Question 121 MarkThe process of erosion in which soil is removed by forming deep grooves in bed rock.AnswerGully erosionView full question & answer→
Question 131 MarkThe process of erosion in which soil is removed layer by layer.AnswerSheet erosionView full question & answer→
Question 141 MarkPlace where gully erosion is prominent.AnswerChambal valley and Betwa ValleyView full question & answer→
Question 151 MarkPlace where sheet erosion is prominent.AnswerIt is prominent plains of river Ganga, Brahmaputra and Kosi.View full question & answer→