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Home› UPSC CSE› Prelims GS Paper I› 2025 questions› Question 60

UPSC CSE Prelims

Subject: Environment & Ecology Chapter: Climate Change Mitigation Strategies

2025 PYQ

Question 60

Artificial way of causing rainfall to reduce air pollution makes use of

Choose one answer Asilver iodide and potassium iodide Bsilver nitrate and potassium iodide Csilver iodide and potassium nitrate Dsilver nitrate and potassium chloride

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View correct answer and explanation

Correct answer: A

Correct Option: A (silver iodide and potassium iodide) Explanation: Cloud seeding uses ice-nucleating substances such as silver iodide and potassium iodide to promote droplet or ice-crystal formation, potentially inducing rainfall under suitable clouds. Option-wise Analysis: A: Correct-silver iodide and potassium iodide are used as cloud-seeding agents. B: Silver nitrate is not the standard seeding agent here. C: Potassium nitrate is not the specified iodide agent. D: Neither silver nitrate nor potassium chloride is the specified pair.

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