Analogy - Verbal and Reasoning

Directions to SolveEach of the following questions has a group. Find out which one of the given alternatives will be another member of the group or of that class.
Q1:

Wheat, Barley, Rice

A Food

B Agriculture

C Farm

D Gram

ANS:D - Gram

Explanation: All the terms given in the question are cereals and gram is also one of the cereals.