Question

Which of the following agricultural implements is used to separate grain seeds from the chaff?

• A. Plough
• B. Hoe
• C. Sickle
• D. Combine

Answer 1

The correct option is D Combine

A combine is a machine that is used to harvest a variety of grain crops. The same machine is used for three processes as a single process - reaping, threshing and winnowing. Reaping is cutting of crops. Threshing is the process of separating the grain from the stalk. Winnowing is the process of separating the chaff from the grain.

So, the correct answer is option D.