Ques.
1:
Classify the following fibres as natural or synthetic:
nylon, wool, cotton, silk,
polyester, jute.
Answer: Natural Fibres: wool, cotton, silk, jute
Synthetic Fibres: nylon, polyester.
Ques. 2: State whether
the following statements are true or false:
a) Yarn is made from fibres.
b) Spinning is a process of making fibres.
c) Jute is the outer covering of coconut.
d) The process of removing seed from cotton is called
ginning.
e) Weaving of yarn makes a piece of fabric.
f) Silk fibre is obtained from the stem of a plant.
g) Polyester is a natural fibre.
Answer: a) True
b) false
c) False
d) True
e) False
f) False
g) False
Ques. 3: Fill in the blanks:
a) Plant fibres are obtained from_________ and ________ .
b) Animals fibres are __________ and ___________ .
Answer:
a) cotton plants and jute plants.
b) wool and silk.
Ques. 4: From which parts of the plant cotton and jute are obtained?
Answer: a) Cotton – Cotton bolls (Fruits).
b) Jute – Stem.
Ques. 5: Name two items that are made from coconut fibre.
Answer: a) Mats
b) Ropes.
Ques. 6: Explain the process of making yarn from fibre.
Answer: Yarns are made up of
thin strands called fibres. The process of making yarn from fibres is called spinning. In this
process, a mass of cotton wool are drawn out and twisted. This brings the
fibres together to form yarn.
Solution of Exercises of Chapter 2; Components of Food.
Solution of Exercises of Chapter 3; Fibre to Fabric.
Solution of Exercises of Chapter 4; Sorting Materials into Groups.
Solution of Exercises of Chapter 5; Separation of Substances.
Solution of Exercises of Chapter 6; Changes around us.
Solution of Exercises of Chapter 7; Getting to Know Plants.
Solution of Exercises of Chapter 8; Body Movements.
By: Satyam Kumar Nigam
सर ये भी काम कॉपी में करना हैै जो अभी आपने प्रश्न उत्तर भेजा है
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