NEET Biology question

Not in NEET syllabus

Soil has five components. The approximate proportions of these components are:

(A)Mineral matter 40%, Organic matter 10%, Soil moisture 25%, Soil atmosphere 25%, Soil organisms variableCorrect
(B)Mineral matter 40%, Organic matter 10%, Soil moisture 25%, Soil atmosphere 25%, Soil organisms 10%
(C)Mineral matter 40%, Organic matter 10%, Soil moisture 35%, Soil atmosphere 15%, Soil organisms 10%
(D)Mineral matter 30%, Organic matter 20%, Soil moisture 25%, Soil atmosphere 25%, Soil organisms 10%

Answer: (A)

Solution

A typical fertile soil is composed of roughly 40% mineral matter, 10% organic matter, and the remaining ~50% shared between soil moisture and soil atmosphere (roughly 25% each, varying with rainfall and drainage), while the population of soil organisms is not

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Question ID VK-126239