What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture? 1. Proliferation of nitrogen-fixing microorganisms in soil can occur. 2. Increase in the acidity of soil can take place. 3. Leaching of nitrate to the groundwater can occur. Select the correct answer using the code given below.
A1 and 3 only
B2 only
C2 and 3 only
D1, 2 and 3
Answer & Solution
Correct answer: C. 2 and 3 only
UPSC CSE Prelims 2015 (GS-I, Set A), Q.11. Official answer key: C.
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