Question 11. The process of separation of grain from the chaff after harvesting is known as (a) tilling (b) threshing (c) spraying (d) weeding Answer
Threshing is the process of separating the chaff from the grains with the help of blowing air. It is either done by hand or done with the help of a thresher. The chaff from grains is separated from the straw with the help of a thresher. So, the correct option is ' Threshing'.