In Biosphere Reserves of India, which term combines the facts “altitudinal zonation supports varied Himalayan biodiversity” and “Nanda Devi and Valley of Flowers landscapes are associated with it”?

Correct Answer: Option B — Nanda Devi Biosphere Reserve. Nanda Devi Biosphere Reserve is correct because it is Nanda Devi and Valley of Flowers landscapes are associated with it. Nanda Devi Biosphere Reserve is also specifically associated with altitudinal zonation supports varied Himalayan biodiversity. Two additional identifying facts are that Nanda Devi Biosphere Reserve is alpine meadows, glaciers and rugged mountain habitats are prominent and Nanda Devi Biosphere Reserve is associated with altitudinal zonation supports varied Himalayan biodiversity. Why the other options are incorrect: • Option A — Gulf of Mannar Biosphere Reserve: Gulf of Mannar Biosphere Reserve is it includes islands and shallow coastal waters. • Option C — Sundarban Biosphere Reserve: Sundarban Biosphere Reserve is it lies within the lower Ganga-Brahmaputra-Meghna delta. It is incorrect here because its separate identifying association is cyclones and salinity are major ecological pressures. • Option D — Pachmarhi Biosphere Reserve: Pachmarhi Biosphere Reserve is it is associated with the Satpura landscape. It is incorrect here because its separate identifying association is forest and plateau habitats support central Indian biodiversity. Exam Takeaway: Connect Nanda Devi Biosphere Reserve with “Nanda Devi and Valley of Flowers landscapes are associated with it” and “altitudinal zonation supports varied Himalayan biodiversity”.