← All questionsGS3 · 2023 · Environment ·Marine Oil Pollution
QUESTION PYQ 18
GS3
10 marks

What is oil pollution? What are its impacts on the marine ecosystem? In what way is pollution particularly harmful for a country like India.

WRITE IN
7 min
150 words

What the examiner wants

For Marine Oil Pollution, explain in sequence: first, What is oil pollution; then, What are its impacts on the marine ecosystem. 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 oil pollution?≈55 words
  2. 2What are its impacts on the marine ecosystem?≈55 words

Open in about 20 words and close in about 20.

Answer plan

Driver/hazardExposure/vulnerabilityEcological/economic impactsIndian evidenceMitigation/governance instrumentResilience for Marine Oil Pollution

Where marks usually go

  • Over-writing ‘What is oil pollution’ while reducing ‘What are its impacts on the marine ecosystem’ to a token paragraph
  • Adding correct but adjacent facts on Marine Oil Pollution that do not advance the exact causal, comparative or evaluative task in this PYQ

Value addition

  • Marine Oil Pollution: risk chain — driver/hazard → exposure → impact → mitigation/resilience
    → 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.