Solved UPSC CDS/OTA Question
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Q · Soil of IndiaMedium · 45s
With reference to Black Soil, consider the following statements: It is rich in iron, lime, magnesia and alumina. It is poor in phosphorous, nitrogen and organic matter. It retains moisture and becomes sticky when wet. Which of the statements given above is/are correct?
TopicSoil of India
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Q 1 / 30Next question →
Step-by-Step Solution
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Black soil is clayey, deep and impermeable. It is rich in minerals like iron and lime but poor in humus and nitrogen. It retains moisture and is ideal for cotton cultivation.
Final Answer: Option D — 1, 2 and 3