Wool


 
 
Concept Explanation
 

Wool

Wool: it is obtained from the fleece of sheep or goats. Removing the fleece from sheep is called shearing. After shearing, the wool is cleaned and then by a machine. Thereafter the wool into fibres which are knitted to make woolen clothes.

Characteristics of Wool:

  • It is light, soft, thick, durable, elastic and wrinkle resistant.
  • If wool samples are burnt, they emit strong smell of burning hair.
  • It traps air and so wool has the property of retaining heat.
  • Wool is reusable and biodegradable.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

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

    Right Option : A
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    Question : 2

    Which of the following do not yield wool?

    Right Option : D
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    Question : 3

    On the basis of following features identify the correct fibre.

    I. It is originally a natural product.

    II. It is obtained from hairs of animals.

    III. It traps and retains a lot of air and is suitable to wear in winters.

    Right Option : B
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