← All questionsGS3 · 2025 · Science & Technology ·CCUS
QUESTION PYQ 17
GS3
10 marks

What is Carbon Capture, Utilization and Storage (CCUS)? What is the potential role of CCUS in tackling climate change?

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7 min
150 words
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What the examiner wants

For CCUS, explain in sequence: first, What is Carbon Capture, Utilization and Storage (CCUS); then, What is the potential role of CCUS in tackling climate change. Keep evidence and the conclusion tied to these exact limbs.

ExplainMake clear how and why it happens: causes, process, and an example for each point.

Demand-wise check

  1. 1What is Carbon Capture, Utilization and Storage (CCUS)?≈55 words
  2. 2What is the potential role of CCUS in tackling climate change?≈55 words

Open in about 20 words and close in about 20.

Answer plan

Scientific principleWorking/applicationIndia-specific programme/statusBenefitsRisks/constraintsFuture use for CCUS

Where marks usually go

  • Over-writing ‘What is Carbon Capture, Utilization and Storage (CCUS)’ while reducing ‘What is the potential role of CCUS in tackling climate change’ to a token paragraph
  • Adding correct but adjacent facts on CCUS that do not advance the exact causal, comparative or evaluative task in this PYQ

Value addition

  • CCUS: working-principle schematic — input → process → output/application → risk/limit
    → Draw it in the body, next to the point it supports.

Official source anchors

These are authoritative sources selected for this exact PYQ. Where a card is an official-domain anchor rather than a fact-level citation, verify the precise provision, definition or data point on the linked source before using it.