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Question
How do the hair of certain animals help in keeping their bodies warm?
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Solution
The hair of the body of the certain animals trap a lot of air. Since air is a poor conductor of heat, this shields the body from cold and keeps it warm.
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RELATED QUESTIONS
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?
Which of the following does not yield wool?
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them
Shearing, __________, sorting, __________, __________, __________
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
True or False – If False give the correct answer
Wool is the fibre derived from the silk worm.
Wool yielding animals bear ______ on their body.
State whether the following statement is True or False. If false, correct them.
In India, camels and goats are generally reared for obtaining wool.
State whether the following statement is True or False. If false, correct them.
In the process of obtaining wool from fleece, sorting is done after scouring.
Various steps involved to obtain wool from fleece are given here.
- Picking out the burrs
- Dyeing in various colours
- Shearing
- Scouring
- Sorting
Write the above steps in the correct sequence in which they are carried out.
A wholesale woollen fibre dealer gets the woollen fibre of different textures sorted for various purposes. Match the items in Column I with the woollen fibre in Column II.
| Column I | Column II | ||
| (a) | Pashmina shawl | (i) | Camel wool |
| (b) | Woollen carpet | (ii) | Angora wool |
| (c) | Baby blanket | (iii) | Kashmir goat |
| (d) | Woollen sweater | (iv) | Sheep wool |
