2018 · Q87
In India, Indus Dolphin, one of the world's rarest mammals, is mainly found in which one of the following rivers?
general-sciencebiotech-environment-science
- AGanga
- BCauvery
- CBrahmaputra
- DBeas
Explanation
The Indus river dolphin, one of the world's rarest mammals, survives in India mainly in the Beas river in Punjab (notably around the Harike wetland). It is not found in the Ganga (home to the separate Gangetic dolphin), the Cauvery or the Brahmaputra. Hence the Beas.