Question 4The term used for the process of separation of grains from the chaff is called(a) sieving(b) threshing(c) winnowing (d) hand picking
Question 6
While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
(a) Threshing
(b) Sieving
(c) Winnowing
(d) Filtration
What is winnowing, sieving, threshing, hand picking