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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Write the uses of the wool.

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प्रश्न

Write the uses of the wool.

संक्षेप में उत्तर
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उत्तर

  1. Wool is a multifunctional fibre with a range of diameters that makes it suitable for clothing, household fabrics and technical textiles.
  2. Two third of wool is used in the manufacture of garments including sweaters, dresses, coats and active sportswear.
  3. Blended with other natural (or) synthetic fibres wool used as adds drape and crease resistance blankets, anti-static and noise absorbing carpets.
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Animal Fibres: Wool
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अध्याय 5: Animals in Daily Life - Evaluation [पृष्ठ ९१]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
अध्याय 5 Animals in Daily Life
Evaluation | Q VIII. 4. | पृष्ठ ९१

संबंधित प्रश्न

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?


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?


What is meant by term Rearing?


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

Ahimsa silk is otherwise known as Mulberry silk.


What are the two types of fibres that are obtained from animals?


What are the characteristics of wool? Give any three.


What are the major steps involved in this wool factory.


Assertion: Wool is the fibre derived from the fur of animals.

Reason: Animals like goat, Yak, Alpaca and rabbit yields wool.


Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy?


State whether the following statement is True or False. If false, correct them.

In India, camels and goats are generally reared for obtaining wool.


How do the hair of certain animals help in keeping their bodies warm?


Various steps involved to obtain wool from fleece are given here.

  1. Picking out the burrs
  2. Dyeing in various colours
  3. Shearing
  4. Scouring
  5. Sorting

Write the above steps in the correct sequence in which they are carried out.


The scouting process during the processing of wool refers to ______.


The process called ______ involves the removal of dried wool.


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