What are the three grades of silk produced?

Important Questions on Materials of Daily Use

MEDIUM

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q B

What is throwing?

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q B

Name a few varieties of silk.

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q B

Name two breeds of sheep found in India. Also, give the names of the states in which they are found.

HARD

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C

Column A	Column B
A. Silkmoth	1. Silk fibre
B. Cocoon	2. Removal of a thick coat of hair
C. Food for silk moth	3. Bombyx mori
D. Fleece	4. Inferior quality of silk
E. Shearing	5. Mulberry leaves
F. Nail silk	6. Hair of sheep

 

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C

Wool is obtained only from sheep.

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C

Sericulture is a process of rearing of silkworm.

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C

Removing fleece of sheep from its body is called scouring.

EASY

7th CBSE

IMPORTANT

Start Up Science 7>Chapter 3 - Materials of Daily Use>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C

Silk threads are secreted from silk glands.