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General Studies Paper I · Subtopic

Biodiversity: definition and levels

Official syllabus

General issues on Environmental ecology, Bio-diversity and Climate Change - that do not require subject specialization.
Conservation, environmental pollution and degradation, environmental impact assessment.

UPSC CSE 2026 notification

What this covers

This page is the existing evidence-linked Biodiversity pilot section for Biodiversity: definition and levels.

Key ideas

  • definition
  • within species
  • between species
  • ecosystem diversity
  • genetic diversity

Official wording is from UPSC's Civil Services Examination 2026 notification, the current baseline for CSE 2027 preparation. Always check the latest notification at upsc.gov.in. Scopes and key ideas are CSE One's study map and are being expanded.

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