Which technique involves throwing the mixture into the air so that the wind blows away the lighter chaff, while the heavier grains fall back down for recovery?

Threshing

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Sieving

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Handpicking

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Winnowing

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Solution

The correct option is D
Winnowing

In winnowing, the mixture is tilted slowly from some height. Thus, the heavier element slides down while the lighter element is flown out by the action of wind.

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Similar questions

Question 4
The term used for the process of separation of grains from the chaff is called
(a) sieving
(b) threshing
(c) winnowing
(d) hand picking

The term used for the process of seperation of grains from chaff is threshing whereas winnowing does the same task. So why is it that the term used is threshing and not winnowing?

Q. Grains or seeds are separated form the stalk by
(a) hand-picking
(b) winnowing
(c) sieving
(d) threshing

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

(d) Filtration

With respect to the following statements, choose the correct option.

(i) Winnowing is a time-consuming process for separating grain from chaff.
(ii) Fodder cannot be recovered by the process of winnowing.
(iii) Threshing is loosening of grain from chaff.
(iv) Traditional methods do not involve threshing.

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Which technique involves throwing the mixture into the air so that the wind blows away the lighter chaff, while the heavier grains fall back down for recovery?

The correct option is D Winnowing In winnowing, the mixture is tilted slowly from some height. Thus, the heavier element slides down while the lighter element is flown out by the action of wind.

The correct option is D
Winnowing

In winnowing, the mixture is tilted slowly from some height. Thus, the heavier element slides down while the lighter element is flown out by the action of wind.