Question : Which layer of the soil has a maximum concentration of humus?
Option 1: Parent rock
Option 2: Weathered rock material
Option 3: Topsoil
Option 4: Subsoil
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Correct Answer: Topsoil
Solution : The correct answer is Topsoil
Topsoil contains the highest concentration of humus. The deeper we go, the less humus there is. The majority of living things reside in the topsoil layer. There are different kinds of soil, each with unique properties. The topsoil and subsoil are the two primary layers that most soil profiles cover.
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Question : Which of the following determines the colour, texture, chemical properties, mineral, content, and permeability of the soil?
Option 2: Time
Option 3: Relief
Option 4: Climate
Question : The northern plain in India is formed of which soil?
Option 1: Laterite soil
Option 2: Arid soil
Option 3: Alluvial soil
Option 4: Black soil
Question : Limestone is a type of______.
Option 1: sedimentary rock
Option 2: metamorphic rock
Option 3: igneous rock
Option 4: volcanic rock
Question : Cultivation of wheat thrives best in which type of soil?
Option 1: Yellow soil
Option 2: Red soil
Option 3: Black soil
Option 4: Well-drained loamy soil
Question : Which of the following soils requires the least tillage due to its self-cultivating characteristic?
Option 1: Red soil
Option 2: Laterite soil
Option 3: Peaty soil
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