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Tick the most suitable answer the, question 1 and 2., , Question 1., , In addition to the rock particles, the soil, contains., , i. air and water, , li. water and plants, , iii. minerals, organic matter, air and water, iv. water, air and plants., , Answer:, , ii. minerals, organic matter, air and water

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Question 2., , The water holding capacity is the highest, in, , i. sandy soil, , li. clayey soil, , iii. loamy soil, , iv. mixture of sand and loam., , Answer:, , li clayey soil

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Question 3., , Match the items in Column | with those in, , Column Il, , Column |, , i. Ahome for, living organisms, , ii. Upper layer of, the soil, , ili. Sandy soil, , iv. Middle layer, , of the soil, , v. Clayey soil, , Column Il, , a. Large particles, , b. All kinds of soil, , c. Dark in colour, , d. Small particles, and packed tight, , e. Lesser amount, , of humus

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Fe ee ee ee, , Question 4., , Explain how soil is formed., , Answer:, , Soil is formed through the process of, weathering., , Weathering is a process of physical breakdown and chemical decomposition of, rocks and minerals near or at the surface, of the earth. This physical and chemical, decomposition is primarily done by wind,, water, and climate as a result of these, processes, large rock pieces are, converted into smaller pieces and, , eventually to the soil.

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Question 5., How is clayey soil useful for crops?, Answer:, , Following are the properties of clayey soil:, , 1. Ithas very good water holding, capacity., 2. It is rich in organic matter., , For growing crops such as wheat gram, and paddy, the soil that is good at, retaining water and rich in organic matter, is suitable. Therefore, clayey soil having, these characteristics are useful for such, kind of crops.