NCERT solutions Science Textbook for Class 7 chapter 3 Fibre to Fabric



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Chapter 3 - Fibre to Fabric

Pages 32 - 323

You must be familiar with the given nursery rhymes

Baa baa black sheep, have you any wool.

Answer the following:

Which parts of the black sheep have wool?

Q 1.1 | Page 32 |

You must be familiar with the following nursery rhymes:

Mary had a little lamb, whose fleece was white as snow

Answer the following:

What is meant by the white fleece of the lamb?

Q 1.2 | Page 32 |

The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option

1) a

2) b

3) both and b

4) neither a nor b

Q 2 | Page 32 |

Which of the following does not yield wool?

(1) Yak

(2) Camel

(3) Goat

(4) Woolly dog

Q 3 | Page 32 |

What is meant by term Rearing?

Q 4.1 | Page 32 |

What is meant by term Shearing ?

Q 4.2 | Page 32 |

What is meant by term Sericulture?

Q 4.3 | Page 323 |

Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them

Shearing, __________, sorting, ______________________________

Q 5 | Page 32 |

Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.

Q 6 | Page 32 |

Out of the following, which are the two terms related to silk production?

Sericulture, floriculture, moriculture, apiculture and silviculture


(1) Silk production involves cultivation of mulberry leaves and rearing silkworms.

(2) Scientific name of mulberry is Morus alba.

Q 7 | Page 32 |

Match the words of Column I with those given in Column II:

Column I Column II
Scouring Yields silk fibres
Mulberry leaves Wool yielding animal
Yak Food of silk worm
Cocoon Reeling
  Cleaning sheared skin
Q 8 | Page 32 |

Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.


(D) 1: Thorough washing

2 : Animal fibre

3 : Long thread like structure


(A) 1 : Keeps warm

2 : Its leaves are eaten by silkworms

3 : Hatches from egg of moth

Q 9 | Page 33 |

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