MEDIUM
7th CBSE
IMPORTANT
Earn 100

What are the characteristics of silk fibres?

Important Questions on Fibre to Fabric

HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q F
Describe the stages involved in the life cycle of a silkworm with a neat and labelled diagram.
HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q F
Briefly explain the steps involved in the production of wool.
HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q F
Explain about the rearing and breeding of sheep.
HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q F
Briefly explain the steps involved in the processing of silk.
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q G
Why do you think that shearing is preferably done in the summer months?
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q G
Mary wants to test whether the silk shawl that she purchased is pure or not. Which of these following tests may help her in finding that?
(a) Burn test    (b) Water absorption test
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q H

Identify the animals shown in the following pictures and name the fibre obtained from these.

Question Image

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 3 - Fibre to Fabric>EXERCISE>Q H

Identify the animals shown in the following pictures and name the fibre obtained from these.

Question Image