Question

Other than poaching, what are the possible reasons for the decline in the population of ganges river dolphins? 1) construction of dams and barrages on rivers 2) increase in the population of crocodiles in rivers 3) getting trapped in fishing nets accidentally 4) use of synthetic fertilizers and other agricultural chemicals in cropfields in the vicinity of rivers select the correct

Answer 1

Answer:

constructions of dams we can see that dams are build to collect water it also helps us to maintain water and produce electricity also and in the nonrainy season we can use the dam water for many users

Answer 2

Answer:

1,3 and 4 only

Explanation:

1,3,4 are correct as per wwf and Environment ministry press note.

Could not locate a source that says Crocodiles/ghariyal killing Ganges dolphins or giving competition for their food in Ganga. Therefore, answer (c).