UPSC Government Jobs Exams

There is a concern over the increase in harmful algal blooms in the seawaters India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.
Select the correct answer from the codes given below:[UPSC 2011 (CS-P)]

1 only
1 and 2 only
2 and 3 only
1, 2 and 3

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UPSC Other Question

The vector for elephantiasis is [UPSC 2008]

Culex mosquito larva
Female mosquito
Infected culex mosquito
Female anopheles mosquito What are the possible limitations of India in mitigating the global warming at present and in the immediate future? [UPSC 2010 (CS-P)]
1. Appropriate alternate technologies are not sufficiently available.
2. India can not invest huge funds in research and development.
3. Many developed countries have already set up their polluting industries in India.
Which of the statements given above is/are correct?

1 and 2 only
2 only
1 and 3 only
1, 2 and 3