NCERT Solutions | Class 7 Science Chapter 3 | Fibre to Fabric

CBSE Solutions | Science Class 7

Check the below NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric Pdf free download. NCERT Solutions Class 7 Science were prepared based on the latest exam pattern. We have Provided Fibre to Fabric Class 7 Science NCERT Solutions to help students understand the concept very well.

NCERT | Class 7 Science

NCERT Solutions Class 7 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	7th
Subject:	Science
Chapter:	3
Chapters Name:	Fibre to Fabric
Medium:	English

Fibre to Fabric | Class 7 Science | NCERT Books Solutions

You can refer to MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

class 7 science Chapter 3, Question 1.

You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.
(ii) ‘Mary had a little lamb, whose fleece was white as snow.

Answer the following:

(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?

cbse science class 7 solutions, Answer :

(a) The hairy skin – called fleece, has wool in black sheep.
(b) White fleece means hairy skin which is white in colour.

NCERT Class 7 Science book, Question 2.

The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) (a)
(ii) (b)
(iii) both (a) and (b)
(iv) neither (a) nor (b)

ncert class 7 science Chapter 3 question answer, Answer :

(iii) both (a) and (b)

NCERT Class 7 Science book PDF, Question 3.

Which of the following does not yield wool?
(i) Yak
(ii) Camel
(iii) Goat
(iv) Woolly dog

cbse science class 7 solutions, Answer :

(iv) Woolly dog

ncert class 7 science Chapter 3, Question 4.

What is meant by the following terms?

Rearing
Shearing
Sericulture

ncert class 7 science Chapter 3 question answer, Answer :

Rearing: Bringing up and looking after the sheep is called rearing.
Shearing: To obtain wool, the fleece of the sheep along with a thin layer of skin is removed from its body. This process is called shearing.
Sericulture: The rearing of silkworms for obtaining silk is called sericulture.

ncert class 7 science Chapter 3 notes, Question 5.

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

cbse science class 7 solutions, Answer :

Shearing, scouring, sorting, picking out burrs, colouring, rolling.

NCERT Science book Class 7 Solutions PDF free download, Question 6.

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

ncert class 7 science Chapter 3 question answer, Answer :

ncert science class 7 book, Question 7.

Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture.
Hints:
(i) Silk production involves the cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.

cbse science class 7 solutions, Answer :

Sericulture, Moriculture.

ncert science class 7 Chapter 3, Question 8.

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

Column I	Column II
1. Scouring	(a) Yields silk fibres
2. Mulberry leaves	(b) Wool yielding animal
3. Yak	(c) Food of silkworm
4. Cocoon	(d) Reeling
	(e) Cleaning sheared skin

ncert class 7 science Chapter 3 question answer, Answer :

Column I	Column II
1. Scouring	(e) Cleaning sheared skin
2. Mulberry leaves	(c) Food of silkworm
3. Yak	(b) Wool yielding animal
4. Cocoon	(a) Yields silk fibres

ncert science class 7 pdf free download, Question 9.

Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Chapter 3 Fibre to Fabric Q.9.1

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

cbse science class 7 solutions, Answer :