Question

Multiple Choice Questions (MCQs)
51. In addition to the rock particles, the soil contains :
(a) air and water
(b) water and plants
(c) minerals, organic matter, air and water
(d) water, air and plants
52. The water-holding capacity is highest in :
(a) sandy soil
(b) clayey soil
(c) loamy soil (d) mixture of sandy and loamy soils
53. Which of the following present in soil has the smallest sized rock particles ?
(a) gravel
(b) silt
(c) clay
(d) sand
54. The best soil for growing paddy is the one which has :
(a) low percolation rate of water
(b) high percolation rate of water
(c) moderate percolation rate of water (d) zero percolation rate of water
55. The removal of fertile top soil from land by wind or water is called soil :
(a) corrosion
(b) erosion
(c) effusion
(d) diffusion

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Answer 1

51.(C)

52.(B)

53.(C)

54.(B)

55.(B)

Explanation:

51. The soil is consist of minerals, organic matter, air and water.

52. It is clayey soil because clayey soil have many pores and it is very soft also .

53. Because of small pores and softness it has very small particle.

54. The paddy needs so much water to grow that's why it need high percolation rate of water.

55. Erosion is the process of removal of top layer of soil.

Answer 2

Answer:

minerals, organic matter, air and water