Question

Which amongst the following methods would be most appropriate to separate grains from bundles of stalks? ​

• A. Handpicking​
• B. Threshing​
• C. Winnowing​
• D. Sieving​

Answer 1

The correct option is B Threshing​

(a) Handpicking is used for separating slightly larger-sized impurities such as pieces of dirt, stones, husk from wheat, rice, pulses, etc. by hand.​

(b) Winnowing is the process of separating heavier and lighter components of a mixture by wind or by blowing air.​

(c) Sieving is the process of separating fine particles from larger particles by using a sieve. ​

(d) Threshing is the process of separating seeds from their chaffs in the harvested crops. ​

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So, threshing is the most appropriate technique for separating grains from their stalks.​