Of the following species of river Dolphins which one ones are found in India 1 Ganga ...........

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Of the following species of river Dolphins, which one/ones are found in India?

1. Ganga river dolphin

2. Indus river dolphin

3. Irrawaddy river dolphin

4. Amazon river dolphin

Select the correct answer using the codes given below

1 and 2 only

1,2 and 3 only

1,3 and 4 only

All of the above

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Explanation:

Carbon neutrality was recently attained by IGI Airport of Delhi.
The Ganges river dolphin is found in the basin of Ganga and Brahmaputra and has been classified as Endangered by the IUCN
The Indus river dolphin also an endangered species is primarily found in Indus and its tributaries in the Pakistan. Some groups of these dolphins are also found in India.
The Irrawaddy dolphin is found in Southeast and South Asia including India. It is classified as Vulnerable by IUCN.
Amazon dolphin is limited to Amazon and its tributaries in South America and is most in numbers among all river dolphins.
All over the river Dolphins are facing threat due to pollution in rivers and commercial fishing. Unlike their counterparts i.e. marine dolphins, these dolphins have limited habitat and destruction of this habitat is proving fatal to them.