Question

Q1. Paheli bought some vegetables such as French beans, tomatoes, brinjal, potatoes, and green chillies all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?

1 point

Winnowing

Threshing

Sieving

Hand-picking

Other:

Clear selection

Q1. Paheli bought some vegetables such as French beans, tomatoes, brinjal, potatoes, and green chillies all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?

1 point

Winnowing

Threshing

Sieving

Hand-picking

Other:

Clear selection


Q5. Salt is obtained from sea water by the process of

1 point

Evapouration

Condensation

Winnowing

Threshing

Other:



Q6. How will you separate sugar mixed with wheat flour?

1 point

Hand-picking

Threshing

Sieving

None of the above

Other:

Q7. How will you separate sand and water from their mixture?

1 point

Threshing

Winnowing

Sedimentation, decantation and filtration

None of the above

Other:

Q8. How will you separate husk or dirt particles from a given sample of pulses before cooking?

1 point

Handpicking

Filtration

Sieving

All of the above

Other:

Q9. To separate husk particles from seeds of grain, which of the following methods we should use?

1 point

Winnowing

Sieving

Filtration

All of the above

Other:

Q10. Separation of sugar from tea can be done by filtration?

1 point

True

False

Other:


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Answer 1

Explanation:

hand picking

evaporation

saving

winnowing

false

other

crystallization evaporation or saturation

Answer 2

Answer:

1 = handpicking

5 = condensation

7= sedimentation decantation and filtration

8 = handpicking

9 = winnowing

10 = true