MCQ
In leaves the veins run parallel to each other in:
- AReticulate venation
- ✓Parallel venation
- CBoth $(a)$ and $(b)$
- DNone of these
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$(i)$
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This phenomenon is known as condensation.
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$(ii)$
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This proves that water vapour is present in air.
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$(iii)$
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This is also observed when a hot object is cooled in the open.
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$(i)$
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The compressed air in a tyre exerts a force large enough to lift a heavy car.
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$(ii)$
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In a syringe, the plunger compresses the liquid.
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