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Solutions 3. Fibre to Fabric - Chapter Review | Class 7 Science - Toppers Study

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Solutions 3. Fibre to Fabric - Chapter Review | Class 7 Science - Toppers Study

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Chapter 3 Science class 7

Chapter Review class 7 Science Chapter 3. Fibre to Fabric

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Solutions 3. Fibre To Fabric - Chapter Review | Class 7 Science - Toppers Study
Class 7 Ncert Solutions
Solution Chapter 3. Fibre To Fabric Class 7
Solutions Class 7
Chapter 3. Fibre To Fabric Chapter Review Class 7

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3. Fibre to Fabric

| Chapter Review |

Solutions 3. Fibre to Fabric - Chapter Review | Class 7 Science - Toppers Study

Chapter Review:

The animal fibre are Wool and silk.
Wool obtains from animals like sheep, goat, yak and some other animals.
The process of selecting parents for obtaining special characters in their offspring,such a soft under hair in the sheep,is termed selective’.
The sheep has two types of fibres. (i) The coarse beard hair (ii) The fine soft.
The rearing of silkworms for obtaining silk is called sericulture.
The caterpillar completely covers itself by silk fibers and turns into pupa. This covering is known as cocoon.
The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms.
When the caterpillar is ready to enter the next stage of its life history called pupa.
The caterpillar completely covers itself by silk fibres. This covering is known as cocoon.
The silk yarn (thread) is obtained from the cocoon of the silk moth.
The most common silk moth is the mulberry silk moth.
The process of taking out threads from the cocoon for use as silk
is called reeling the silk.
Silk fibres are made of a protein.

Other Pages of this Chapter: 3. Fibre to Fabric

1. Chapter 3. Fibre to Fabric | Chapter Review

2. Chapter 3. Fibre to Fabric | NCERT Exercise

3. Chapter 3. Fibre to Fabric | Additional Questions with Solutions

4. Chapter 3. Fibre to Fabric | Long Answered Questions

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