Correct Answer: (b) 10
Solution:There are ten bio-geographical areas in India which are as follows (1) Trans Himalayan region, (ii) Himalayan region, (iii) Desert area, (iv) semi-arid regions, (v) Western Ghats region, (vi) Deccan Plateau Region, (vii) Gangetic plain area, (viii) North Eastern Region, (ix) Coastal area and (x) Island area near the coastline .