Correct option is A
The correct answer is (a) Seshachalam Hills – Andhra Pradesh.
• Seshachalam Hills Biosphere Reserve is located in Chittoor and Kadapa districts of Andhra Pradesh.
• It was declared a biosphere reserve in 2010 and is known for red sanders (Pterocarpus santalinus).
Information Booster:
• Total Biosphere Reserves in India: 18 (as of 2025).
• Managed under the Man and Biosphere (MAB) Programme of UNESCO.
• Seshachalam Hills are part of the Eastern Ghats.
• Other reserves: Nilgiri (Tamil Nadu, Kerala, Karnataka), Nanda Devi (Uttarakhand), and Sundarbans (West Bengal).
• Some reserves are included in UNESCO’s World Network of Biosphere Reserves (WNBR).
Additional Knowledge:
• India joined UNESCO’s MAB Programme in 1971.
• The first Biosphere Reserve in India was Nilgiri (1986).
• Biosphere reserves have three zones — core, buffer, and transition.
• Aim: conservation of biodiversity with sustainable resource use.