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Fibre to Fabric | Exercises solution | Class 6| NCERT Science UPSC

 1. Classify the following fibres as natural or synthetic:

nylon, wool, cotton, silk, polyester, jute

Answer:

Natural Fibers: 

  • Wool, Cotton, Silk, Jute

Synthetic Fibers: 

  • Nylon, Polyester


2. State whether the following statements are true or false:

a) Yarn is made from fibres. [True]

b) Spinning is a process of making fibres. [ False]

c) Jute is the outer covering of coconut. [ False]

d) The process of removing seed from cotton is called ginning. [ True]

e) Weaving of yarn makes a piece of fabric. [ True]

f) Silk fibre is obtained from the stem of a plant. [ False]

g) Polyester is a natural fibre. [ False]


3. Fill in the blanks:

a) Plant fibres are obtained from__Cotton_______ and _____Jute___ .

b) Animals fibres are _______Wool___ and ______Silk_____ .


4. From which parts of the plant cotton and jute are obtained?

Answer:

  • Cotton fiber is obtained from flowers of the cotton plants.
  • Jute fiber is obtained from the stem of the Jute plant.

5. Name two items that are made from coconut fibre.

Answer:

Duster and Bag


6. Explain the process of making yarn from fibre

Answer:

  • By the Spinning process, yarn is obtained from the fiber.
  • Takli and Charkha are hand spinning device. There are also spinning machine operated by power done for commercial purpose


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