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Q.The world is facing an acute shortage of clean and safe freshwater. What are the alternative technologies which can solve this crisis? Briefly discuss any three such technologies citing their key merits and demerits.

Examiner Demand & Directive Blueprint: DiscussIntro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words

How to approach: Address all parts of the prompt systematically—covering positive dimensions, structural constraints, and a constructive Way Forward.

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Reviewed by Avinash Sir (Lead UPSC Faculty) & Acme AI Research Team • Updated Sep 2026

Question Specifications, Marking Rubric & Syllabus Mapping

Examination & YearUPSC Civil Services Mains Examination 2024 (Question 3)
Paper & Syllabus TopicGeneral Studies Paper III — Economy, Environment, S&T & Security → Science, Technology & Innovation
Marks, Word Limit & Ideal Time10 Marks • 150 Words • Ideal Writing Time: 7–8 Minutes
Directive Word & Core DemandDiscuss: Conduct a comprehensive, 360-degree exploration of the topic covering multiple perspectives.
Recommended Structure SplitIntro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words
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Frequently Asked Questions — UPSC Mains 2024 GS3 (Science & Technology)

How should I structure the answer for this UPSC Mains 2024 GS Paper III question on Science & Technology?

This 2024 GS Paper III question carries 10 marks with a 150-word limit and uses the "Discuss" directive. Address all parts of the prompt systematically—covering positive dimensions, structural constraints, and a constructive Way Forward. Follow the ideal word split (Intro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words) and aim to finish within 7–8 Minutes.

Which UPSC Mains syllabus topic does this 2024 question belong to?

This question is part of General Studies Paper III — Economy, Environment, S&T & Security under the syllabus module "Science, Technology & Innovation". You can explore all repeated questions from Science & Technology in Acme AI's 3D PYQ Realm or filter all Science & Technology PYQs on the Mains PYQ Directory.

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