Credit for bringing the green revolution to India goes to

Which one is an effective plant insecticide?

The spread of bird flu can be prevented by

Blue revolution:
$I$. It is the rapid expansion of intensive commercial aquaculture.
$II$. It aims to increase global food production and reduce widespread hunger.
Which of the statements given above is/are correct?

Which is the most common plant used as green manure in India?

What are three options to increase food production? Discuss each, giving the salient features, merits, and demerits.