Due to which of the following factors, winnowing is used to separate husk from grains?

Husk is very light as compared to grains

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Grains are very light compared to husk

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Husk has a different colour

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Husk and grains are of same size

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Solution

The correct option is A Husk is very light as compared to grains
Winnowing is used when the components of a mixture differ by weight and the lighter component can be blown away by wind. Husk is very light as compared to grains and it can be blown by wind. Thus, winnowing is used to separate husk from grains.

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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

Explain how winnowing allows the grain to get separated from the husk.

Which of the following techniques can be used to separate grains from husk?

The method used to separate husk from grains

Q. This method is used to separate grains from the stalks.
(a) Winnowing
(b) Threshing
(c) Hand picking
(d) Sieving

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