Which of the following is a mismatched pair?
A World Conservation Union (WCU) – Maintains Red Data Book
B Jim Corbett National Park, Uttarakhand – First national park established in India
C Western Ghats and Eastern Himalayas – Biodiversity hotspots of India
D Indian rhinoceros – An extinct animal
rhino is not an extinct animal.so two pairs are mismatched.answer can be D also.