Multiple choice

In which of the following methods of separation, are harmful substances removed?

  1. Winnowing

  2. Hand picking

  3. Threshing

  4. Evaporation

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The harmful substances from rice like stones and insects are separated from picking by hand. The stones and insects are picked by hand and then separated from it.