Which is the strongest natural fibre?

Important Questions on Fibre to Fabric

MEDIUM

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 3

What are the basis to decide the quality of wool obtained from sheep?

MEDIUM

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 4

Name the process of rearing of silkworms for obtaining silk.

EASY

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 1

What is meant by selective breeding?

EASY

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 2

What is meant by scouring?

MEDIUM

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 3

Give two characteristics of wool.

HARD

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 4

What is silk? How is it obtained?

MEDIUM

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 5

Why are the cocoons boiled in hot water or treated in ovens?

EASY

7th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 3 - Fibre to Fabric>Exercise>Q 6

Why do we not wait for the silk moth to hatch and then boil the cocoon?