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Expanded Universal Science 7
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Chapter 3 - Animal Fibres
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Q D
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MEDIUM
7th CBSE
IMPORTANT
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What is sericulture?
Important Questions on Animal Fibres
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q D
Write any two occupational hazards.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
How are fibres classified? Give examples.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
Explain how wool is processed. Write the steps in sequence with help of a diagram.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
Explain life cycle of a silkworm with the help of a diagram.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
Explain the process of obtaining silk from the cocoon.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
How would you verify whether a silk dress bought by your mother is made from pure silk or artificial one?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
Write one difference between the following:
Plant fibres and animal fibres
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HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7
>
Chapter 3 - Animal Fibres
>
ASSESSMENT ZONE
>
Q E
Write one difference between the following:
Merino wool and angora wool