Fibre to Fabric - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Short Q&A
Q1: What are natural fibres? Give example.
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Ans:
The fibres of some fabric are obtained from plants and animals. These are called natural fibres. For example-cotton, jute, silk etc.
Q2: Which of these are natural fibres –
Silk
Nylon
Wool
Polyester
cotton
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Ans:
a) Silk, c) wool, e) cotton, these are natural fibres.
Q3: Write the difference between natural and synthetic fibres.
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Ans:
The fibres of some fabric are obtained from plants and animals. These are called natural fibres. For example-cotton, jute, silk etc.
The fibres that are made from chemical substances are called synthetic fibres. For example-nylon, polyester etc.
Q4: What is ginning?
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Ans:
Cotton fibres are separated from the seeds by combing. This process is known as ginning. Machines are also now used for ginning.
Q5: Define weaving.
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The process of arranging two sets of yarns together to make a fabric is called weaving. Weaving of fabric is done on looms.
Q6: What happens after maturing of fruit of cotton plant (cotton bolls)?
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After maturing, the bolls burst open and seeds covered with cotton fibres can be seen. Then the cotton can be picked.
Q7: How is spinning done on large scale?
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Spinning is done on large scale with the help of spinning machines. After spinning yarns are used for making fabric.
Q8: Where does cotton wool come from?
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Cotton wool is grown in fields. Plants are grown at places having black soil and warm climate.
Q9: What will happen if we pull the yarn from torn pair of socks? Why so?
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A single yarn gets pulled out continuously as the fabric gets unravelled. It is because they are made of knitted fabric.
Q10: What are looms?
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Looms are those on which weaving of fabric is done. They are either hand operated or power operated.
Q11: Choose the correct option-
Cotton is obtained from ____________of plant. (seed/stem)
Nylon is ____________fibre.(natural/synthetic)
Jute is obtained from ____________. (plant/animal)