Which of the following rivers originates near Mahabaleshwar?

 Which one of the following is the most likely food through which mercury enters our bodies and accumulates as a toxin?

The Strait of Malacca passes between :

The fuel of most widely used cryogenic engines consists of :

Which one among the following is the world's largest exporter of agricultural products

Which one of the following is not required for the formation of photochemical smog?