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GS 3 · Practice archive

GS Paper 3 practice questions for UPSC Mains 2026.

Economy, Environment, Science and Technology, Internal Security, Disaster Management.

20 Qs / 250 marks439 questionsModel outlines included

GS Paper 3 · Tips & tricks

GS-3 — data first, then policy, then a concrete way forward

  1. Open with a number.GDP share, FDI inflow, emissions intensity, forest cover %, fiscal deficit — the right number in the first sentence does the work of a paragraph.
  2. Cite the latest report by name.Economic Survey, RBI Financial Stability Report, NITI Aayog SDG India Index, ISRO mission timeline — examiners can verify, so accuracy is checked.
  3. Use a flowchart for processes.Disaster cycle, ML pipeline, food-processing value chain, cybersecurity kill chain — a small labelled diagram beats prose.
  4. Distinguish stock from flow.Forex reserves vs trade balance, debt stock vs deficit, capacity installed vs energy generated. Mixing them up costs marks.
  5. Way forward must be specific.Not "the government should take steps" — name the ministry, the scheme name, the budget head, the timeline.
Q.115 marks · 250w 11 min Easy

What is a wetland? Explain the Ramsar concept of ‘wise use’ in the context of wetland conservation. Cite two examples of Ramsar sites from India.

Subtopic: Ecosystems · Wetlands & Ramsar Convention

Show model answer outline

Introduction: Define a wetland using the Ramsar Convention's own wording (the <6 m low-tide rule).

Body: (1) What 'wise use' means — maintaining ecological character within sustainable development; (2) how it works in practice (ecosystem-services lens, no-net-loss, community use); (3) two named Indian Ramsar sites with a line on each.

Conclusion: Wise use balances livelihoods and ecology; link to India's domestic rules.

Key points
  • Ramsar definition: marsh/fen/peatland/water, incl. marine water up to 6 m deep at low tide
  • Convention on Wetlands adopted at Ramsar, Iran (1971); India a Contracting Party since 1982
  • 'Wise use' = sustainable use maintaining the wetland's ecological character within sustainable development
  • Ecological character = the components, processes and benefits/services of the wetland
  • Wise use balances human livelihoods (fishing, tourism) with ecosystem-service protection
  • India has the highest number of Ramsar sites in South Asia (99 sites by 2026)
  • Chilika Lake (Odisha) — largest brackish coastal lagoon, Irrawaddy dolphins
  • Keoladeo National Park (Rajasthan) — man-made waterfowl wetland, also a World Heritage Site
  • Wetlands (Conservation and Management) Rules, 2017 give domestic effect to the principle

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