MCQ
Which of the following is the basic unit of matter?
- AMolecule
- ✓Atom
- CElement
- DCompound
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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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