MCQ
Sound cannot travel in $...........$
- ASolids
- BLiquids
- CGases
- ✓Vacuum
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Type of road surfaces
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$P$
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$Q$
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$R$
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$S$
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Stopping distance(m)
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$18$
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$15$
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$19$
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$27$
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$(i)$
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The viscous fluid present in the nucleus is called $...........$ cytoplasm $...........$
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$(ii)$
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$...........$ Vacuoles $...........$ are rod shaped structures which oxidise food to provide energy.
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$(iii)$
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$...........$ Mitochondria $...........$ contain green pigment chlorophyll and take part in photosynthesis.
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$(iv)$
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$...........$ Lysosomes $...........$ take part in synthesis of proteins.
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