HARD
Earn 100

Describe briefly, how wool is obtained from sheep and processed to make woollen yarn.

Important Questions on Fibre to Fabric

MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation

Arrange the following steps in the correct order in which they are carried out during the production of woollen yarn from the sheep:

Combing, Shearing, Dyeing, Scouring, Spinning, Sorting.

MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Name two substances removed from raw wool, before manufacturing the yarn.
EASY
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
What are the natural colours of the fleece of sheep and goat?
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Which part of sheep's body is used to obtain wool?
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
What is carding of wool? How is woollen yarn obtained from carded wool?
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
The hair part of the fleece of sheep is called:
HARD
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
What is the technique of categorising wool called? (Wool cutting/Wool classing)
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation

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


Column I		   Column II  

(i)
Scouring
(a)
Yields silk fibres

(ii)
Mulberry leaves
(b)
Wool yielding animal

(iii)
Yak
(c)
Food of silkworm

(iv)
Cocoon
(d)
Reeling
   
(e)
Cleaning sheared skin
EASY
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
What is the difference between wool and hair?
HARD
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
 Describe the process of wool production.
EASY
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Is all the fleece obtained from sheep is pure wool?
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
The process of straightening the wool fibres is called
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
A statement given below is incorrect. Write the correct statement.
Suint is an oily substance found in raw wool.
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Name the two types of hair that form the fleece of sheep.
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Name the various steps involved in the production of wool from sheep.
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
Complete the sequence of processing fleece to fabric

.
HARD
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
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
http://cdn.topperlearning.com/topper/bookquestions/6458_puz12344.JPG
EASY
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
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:
What is meant by the white fleece of the lamb?
HARD
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
How is carding of wool done?
MEDIUM
Science>Chemistry>Fibre to Fabric>Methods of Wool Preparation
The hair obtained from sheep is called _____.