Official Answer Key & Detailed Solution
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Correct Answer: Option (B) — Nallamalai
Concept & Option Breakdown
Standard Reference VerifiedIndia has 18 designated Biosphere Reserves under UNESCO's Man and the Biosphere (MAB) framework.
- Agasthyamalai (Kerala & Tamil Nadu), Nilgiri (Tamil Nadu, Kerala & Karnataka), and Pachmarhi (Madhya Pradesh) are designated Biosphere Reserves.
- Nallamalai is a hill range in Andhra Pradesh/Telangana (which contains the Nagarjunasagar-Srisailam Tiger Reserve) but is not a Biosphere Reserve.
Nallamalai is a hill range housing a tiger reserve, but it has never been declared a Biosphere Reserve.
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