Explanation
the correct answer is D: Manas.
Manas is a biosphere reserve in India that is not mentioned in UNESCO’s Man and Biosphere list. There are a total of 18 biosphere reserves in India, and 12 of them are part of the UNESCO List of Man & Biosphere Reserves Programme
There are 12 biosphere reserves of India which have been recognized internationally under the Man and Biosphere(MAB) Reserve program.
These are:
1) Nilgiri (First one to be included)
2) Gulf of Mannar
3) Sunderban
4) Nanda Devi
5) Nokrek
6) Pachmarhi
7) Similipal
8) Achanakmar – Amarkantak
9) Great Nicobar
10) Agasthyamala
11) Khangchendzonga (2018) and
12) Panna(2020).