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

Science Textbook for Class 7

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Chapters

NCERT Science Class 7

Science Textbook for Class  7

Chapter 3: Fibre to Fabric

Chapter 3: Fibre to Fabric solutions [Pages 32 - 33]

Q 1.1 | Page 32

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 1.2 | 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 2 | Page 32

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

  • a

  • b

  • both a and b

  • neither a nor b

Q 3 | Page 32

Which of the following does not yield wool?

  • Yak

  • Camel

  • Goat

  • Woolly dog

Q 4.1 | Page 32

What is meant by term Rearing?

Q 4.2 | Page 32

What is meant by term Shearing ?

Q 4.3 | Page 32

What is meant by term Sericulture?

Q 5 | Page 32

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

Shearing, __________, sorting, ______________________________

Q 6 | 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 7 | Page 32

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

Sericulture, floriculture, moriculture, apiculture and silviculture

Hints:

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

(2) Scientific name of mulberry is Morus alba.

Q 8 | 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 9 | Page 33

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

Down

(D) 1: Thorough washing

2 : Animal fibre

3 : Long thread like structure

Across

(A) 1 : Keeps warm

2 : Its leaves are eaten by silkworms

3 : Hatches from egg of moth

Chapter 3: Fibre to Fabric

NCERT Science Class 7

Science Textbook for Class  7

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

NCERT solutions for Class 7 Science chapter 3 (Fibre to Fabric) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Science Textbook for Class 7 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 7 Science chapter 3 Fibre to Fabric are Concept of Wool, Concept of Silk, Fibres: Natural and Synthetic Fibres and Their Sources.

Using NCERT Class 7 solutions Fibre to Fabric exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 7 prefer NCERT Textbook Solutions to score more in exam.

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