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

    Complete the given correlation:  Silk : Cotton ,   Wool : _________ ?

    Right Option : C
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    Explanation
    Question : 2

    Complete the correlation :

    Silk worm : Cocoon, Wool : ___________

    Right Option : B
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    Explanation
    Question : 3

    Which process is represented in picture below?

    Right Option : B
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    Explanation
     
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