Quiz : Curiosity - Chapter 8

Question 1

What is the method of separating small stones from grains called?

Accepted Answer

Handpicking

Answer

Winnowing

Answer

Sieving

Answer

Churning

Question 2

Which method is used to separate grains from stalks in agriculture?

Accepted Answer

Threshing

Answer

Winnowing

Answer

Sieving

Answer

Magnetic separation

Question 3

What does winnowing utilize to separate lighter husk from heavier grains?

Accepted Answer

Wind

Answer

Water

Answer

Heat

Answer

Magnet

Question 4

What is sieving primarily used for?

Accepted Answer

Removing larger particles from smaller ones

Answer

Separating liquids

Answer

Mixing ingredients

Answer

Cooling substances

Question 5

In the process of churning, what is separated from curd?

Accepted Answer

Butter

Answer

Whey

Answer

Milk

Answer

Salt

Question 6

What is magnetic separation used for?

Accepted Answer

Removing iron from sawdust

Answer

Separating liquids

Answer

Sorting grains

Answer

Extracting salt from seawater

Question 7

Which method could be used to separate salt from seawater?

Accepted Answer

Evaporation

Answer

Churning

Answer

Sieving

Answer

Handpicking

Question 8

What is the first step in the handpicking method?

Accepted Answer

Identifying unwanted materials

Answer

Mixing substances

Answer

Separating larger particles

Answer

Using a magnet

Question 9

What is the main advantage of using winnowing?

Accepted Answer

It is faster than handpicking

Answer

It can separate all types of mixtures

Answer

It does not require any tools

Answer

It is useful for heavy materials

Question 10

Why is it beneficial to separate husk from grains?

Accepted Answer

To make grains fit for cooking

Answer

To make grains more colorful

Answer

To improve taste

Answer

To increase volume

Quiz : Curiosity - Chapter 8

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