The correct answer is To build more biosphere reserves near the deltas and basins.

• The statement To build more biosphere reserves near the deltas and basins is not correct.
• Biosphere reserves are areas of terrestrial and coastal ecosystems which are internationally recognised within the framework of UNESCO's 'Man and Biosphere (MAB) Programme'.
• These reserves are required to meet a minimal set of criteria and adhere to a minimal set of conditions before being admitted to the World Network of Biosphere Reserves designated by UNESCO.
• The main objectives of biosphere reserves are-
  • To conserve biological and cultural diversity and integrity of plants, animals, birds, reptiles, micro-organisms and unique features of pristine nature.
  • To promote research on ecological conservation and other environmental aspects.
  • To provide facilities for education, research, awareness, and training.
• There are currently 714 biosphere reserves in 129 countries, including 21 transboundary sites, that belong to the World Network of Biosphere Reserves.
• The Biosphere Reserves Programme was initiated in India in 1986.
• The structure of Biosphere Reserve- Core Areas, Buffer Zone, and Transition Zone.

• There are18 biosphere reserves in India:-
  • Cold Desert, Himachal Pradesh
  • Nanda Devi, Uttrakhand
  • Khangchendzonga, Sikkim
  • Dehang-Debang, Arunachal Pradesh
  • Manas, Assam
  • Dibru-Saikhowa, Assam
  • Nokrek, Meghalaya
  • Panna, Madhya Pradesh
  • Pachmarhi, Madhya Pradesh
  • Achanakmar-Amarkantak, Madhya Pradesh-Chhattisgarh
  • Kachchh, Gujarat
  • Similipal, Odisha
  • Sundarban, West Bengal
  • Seshachalam, Andhra Pradesh
  • Agasthyamala, Karnataka-Tamil Nadu-Kerala
  • Nilgiri, Tamil Nadu-Kerala 
  • Gulf of Mannar, Tamil Nadu
  • Great Nicobar, Andaman & Nicobar Island