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Question
Which set of substances is not used for making fibres?
Options
Silk, chemicals
Yak hair, camel hair
Husk, bones
Flax, wool
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Solution
Husk, bones
Explanation:
(a) Silk, chemicals
✅ Used for fibres:
-
Silk is a natural animal fibre from silkworms.
-
Chemicals are used to make synthetic fibres like nylon and polyester.
(b) Yak hair, camel hair
✅ Used for fibres:
-
Both are animal fibres used to make woollen clothes, carpets, etc.
(c) Husk, bones
❌ Not used for fibres:
-
Husk is the outer covering of grains, and bones are part of the skeleton.
-
Neither is used in fibre or textile production.
(d) Flax, wool
✅ Used for fibres:
-
Flax gives linen fibres, and wool comes from sheep.
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