Questions and Answers
What is necessary to turn powdery material into soil?
Mixing biotic material into it
What is the name of the biotic material produced from the decomposition of remains of plants and animals in the soil?
Humus
What is essential for the process of producing vermicompost or compost?
Organic waste, water, heat
Why does the proportion of humus in the soil affect its fertility?
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How long does it take to form a 2.5 cm thick layer of topsoil?
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In which type of region does the process of soil formation occur faster?
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What are the main factors influencing soil formation?
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What does weathering of the rock depend on?
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What does basalt rock turn into after weathering in the Deccan Plateau?
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What gives rise to red soil in South India?
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What are the constituents of soil according to the text?
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What is an important component of the living world on earth according to the text?
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What do plants get from the soils for their growth?
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What is used by a farmer as an ecosystem?
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What are used profusely for getting higher agricultural production?
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What is referred to as 'regur' soil?
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The powdery material from the weathering of rocks is considered soil.
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The decomposition of remains of plants and animals contributes to the formation of humus in the soil.
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Soils become more fertile if the proportion of humus in the soil is greater.
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Vermicompost production requires elements like organic waste, water, and heat.
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Soil formation is a rapid process that occurs over a short period of time.
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The process of soil formation occurs faster in regions with high rainfall and higher temperatures.
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Soil formation takes less time in regions with low temperatures and low rainfall.
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Soil is mainly used for industrial purposes.
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Chemical fertilizers and insecticides lead to the improvement of soils.
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The parent rock is not an important factor in soil formation.
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The climate of the region does not influence soil formation.
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Weathering of the rock does not depend on the climate of the region.
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Soil does not contain decomposed organic material.
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Soil is not a complete ecosystem.
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Plants do not get nutrients required for their growth from the soils.
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'Earth' means soil.
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