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 crop-fields in the vicinity of rivers Select the correct answer using the code given below.
A1 and 2 only
B2 and 3 only
C1, 3 and 4 only
D1, 2, 3 and 4
Answer & Solution
Correct answer: C. 1, 3 and 4 only
UPSC CSE Prelims 2014 (GS-I, Set A), Q.14. Official answer key: C.
Related questions
The Montreal Protocol of 1987 was an international agreement to phase out:The Environment Protection Act (EPA) of 1986 was passed largely in response to which eventThe major greenhouse gas by quantity emitted globally is:The 'HIPPO' acronym for biodiversity loss drivers stands for:How many of the world's 36 biodiversity hotspots are located in India?Biodiversity is typically classified into THREE levels. Which is the correct set?In a typical ecosystem, decomposers (fungi, bacteria) primarily serve to:In a food chain, what percentage of energy roughly transfers from one trophic level to the