Question 11 MarkSubstance like $.........$ and $.........$ pollute the agricultural soil.AnswerSubstance like chemicals and pesticides pollute the agricultural soil.View full question & answer→
Question 21 MarkEach layer of soil differs in feel $($texture$)$, colour, depth and $.........$AnswerEach layer of soil differs in feel $($texture$)$, colour, depth and Chemical composition.View full question & answer→
Question 31 MarkMiddle layer of soil contains less amount of $.........$AnswerMiddle layer of soil contains less amount of Humus.View full question & answer→
Question 41 MarkFill in the Blank. Clay is the $.........$ rock particle.AnswerClay is the smallest rock particle.View full question & answer→
Question 51 MarkFill in the Blank. Soil contains $........., .........$ and countless $.........$ organisms.AnswerSoil contains air, water and countless living organisms.View full question & answer→
Question 61 MarkFill in the Blank. Paddy requires $.........$ soil to grow.AnswerPaddy requires clayey soil to grow.View full question & answer→
Question 71 MarkFill in the Blank. Loam soil is a mixture of $........., .........$ and with small amount of $.........$ in it.AnswerLoam soil is a mixture of sand, clay, and with small amount of silt, humus in it.View full question & answer→
Question 81 MarkFill in the Blank. Weathering is a very $.........$ process.AnswerWeathering is a very slow process.View full question & answer→
Question 91 MarkClay soils are heavy and hold more $.........$AnswerClay soils are heavy and hold more Water.View full question & answer→
Question 101 MarkIf the amount of large and fine particles is about the same, then soil is called $.........$AnswerIf the amount of large and fine particles is about the same, then soil is called Loamy.View full question & answer→
Question 111 MarkUpper layer of soil is $.........$ in colour.AnswerUpper layer of soil is Dark in colour.View full question & answer→
Question 121 MarkSoil is $.........$ part of our life.AnswerSoil is inseparable part of our life.View full question & answer→