CivilsIASPrep.comUPSC PYQs: Nitrogen Cycle
Review complete published questions grouped by topic: Nitrogen Cycle.
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Questions
- Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation2013 · Prelims GS1 · Environment & Ecology · Nitrogen Cycle
- Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation. Select the correct answer using the codes given below.2013 · Prelims GS1 · Environment & Ecology · Nitrogen Cycle