Question
What are the uses of cotton?
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Answer
Cotton has a variety of uses. Some uses of cotton are given below:
- Cotton or cotton in combination with other fibres is used in manufacture of textiles.
- Cleaned cotton is used as an absorbent in hospitals.
- Unspun cotton is used, as fillers in mattresses, pillows and quilts.
- Cotton is used as a main raw material in manufacturing of rayon and in paper industry.
- Due to high water absorption property, clothes made from cotton are extensively used as mops in household and for cleaning machines in industries.
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S.No
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Column $I$
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Column $II$
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$(i)$
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Upper jaw
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$(i)$
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Have fins on the body.
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$(ii)$
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Fishes
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$(ii)$
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Has an outer skeleton.
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$(iii)$
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Ribs
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$(iii)$
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Can fly in the air.
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$(iv)$
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Snail
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$(iv)$
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Is an immovable joint.
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$(v)$
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Cockroach
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$(v)$
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Protect the heart.
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-
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$(vi)$
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Shows very slow movement.
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-
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$(vii)$
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Have a streamlined body.
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Rahul and Sonia were playing with blocks and each of them made a train out of them. Both of them thought of measuring the length of the train using their handspan. By that time Rahul's friend Anupam came and suggested them to measure with a measuring tape for fair result.
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→$(a)$ What is a handspan?
$(b)$ Why Anupam asked both of them to use measuring tape?
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Across:
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