Which of the following is / are the chief characteristics of commercial grain farming of the middle latitude grasslands?

1. The size of farms are generally large.
2. Cultivation is highly mechanized.
3. It is a type of extensive farming.

Select the correct answer using the code given below :

Sirocco is a name used to mean

 Match List 1 with List 2 and select the correct answer using the code given below the lists :

Indian Army’s counter-insurgency school is situated in

Who, among the following, is the latest Indian to win the Pulitzer Prize for literature?

Statement I :
Diamond is very hard and has high melting point.

Statement II :
In diamond, each carbon is covalently bonded to four other carbon atoms to form a three-dimensional network.