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Question
______ is a non-biodegradable material.
Options
Paper
A plastic bottle
Cotton cloth
Wool
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Solution
A plastic bottle is a non-biodegradable material.
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RELATED QUESTIONS
What is meant by term Rearing?
What is meant by term Sericulture?
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.
What are the two types of fibres that are obtained from animals?
What is shearing?
What are the characteristics of wool? Give any three.
Write the uses of the wool.
Assertion: Wool is the fibre derived from the fur of animals.
Reason: Animals like goat, Yak, Alpaca and rabbit yields wool.
Wool fibre cannot be obtained from which of the following?
Wool yielding animals bear ______ on their body.
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.
Figure shows three rings of circles with letters in them. Some of these letters in each ring can form the name of one wool yielding animal. Find the names of these animals.
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 |
On burning wool, why we get the small of burning of hair?
