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

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Solution

(b) threshing
Threshing is part of the harvesting process. It involves separating the grains from the straw either by impact, friction or by combing action.

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Q. 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

What is winnowing, sieving, threshing, 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?

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

Q. Define the following with an example:
(i) Hand-picking
(ii) Winnowing
(iii) Threshing
(iv) Sieving

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Threshing

Standard VI Chemistry

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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

(b) threshingThreshing is part of the harvesting process. It involves separating the grains from the straw either by impact, friction or by combing action.​ ​​​​​​

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

(b) threshing
Threshing is part of the harvesting process. It involves separating the grains from the straw either by impact, friction or by combing action.