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