Introduction and Syllabus Scope

The RPSC 2026 syllabus for Paper II, Unit 3 places natural vegetation, wildlife, and biodiversity under Part C of Earth Science. The topic requires command over three interconnected domains: vegetation classification (forest types, characteristic species), wildlife governance (protected area network, species-specific programs), and biodiversity conservation (hotspots, corridors, community practices, current programs).

Rajasthan presents a paradox for this topic: it is India's largest state by area (3,42,239 sq km) yet has the lowest forest cover percentage among large states. Every answer on this topic must reflect this constraint — Rajasthan's biodiversity exists despite arid conditions, not because of them, and much of it is concentrated in specific ecological pockets (Aravalli hills, Chambal ravines, eastern plains, and the Thar itself).

The topic's PYQ Tier 3 status means it has appeared in 3 of the 5 most recent exams. RPSC has asked both 5-mark recall questions (name forest types; name wildlife sanctuaries; significance of Keoladeo) and 10-mark analytical questions (role of Bishnoi community in conservation; wildlife corridor concept). For 2026, the revised syllabus's emphasis on environment and the current GIB conservation crisis make this a rising-priority topic.

Adjacent topics to distinguish clearly: Topic #83 (physiography — the landform basis for vegetation distribution), Topic #84 (climate — the aridity driver), and Topic #86 (soils — the edaphic basis for vegetation type). This chapter focuses on biotic cover and conservation governance; abiotic drivers are addressed in those adjacent topics.

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