Correct Option
The Eastern Himalayas is recognized as a biodiversity hotspot, forming part of the larger Indo-Burma Hotspot. This region is characterized by exceptionally high species richness and endemism, making it a critical area for conservation.
The Eastern Mediterranean region is also classified as a biodiversity hotspot. It is notable for its high concentration of endemic plant species and has experienced significant habitat degradation, fulfilling the criteria for a hotspot designation.
Incorrect Options
North-Western Australia is not identified as a biodiversity hotspot. The recognized hotspot in Australia is Southwest Australia, which is distinct due to its unique flora and Mediterranean-type ecosystem.
Option (a) is incorrect as it omits the Eastern Mediterranean region, which is a recognized biodiversity hotspot.
Option (c) is incorrect as it excludes the Eastern Himalayas, a significant biodiversity hotspot.
Option (d) is incorrect because it includes North-Western Australia, which is not a designated biodiversity hotspot.