MCQ
How many types of charges are gained by rubbing objects$?$
- ✓$2$
- B$1$
- C$3$
- D$4$
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$(i)$
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The nucleoplasm and the cytoplasm together make up the protoplasm.
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$(ii)$
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Chloroplasts are a type of plastids, which occur in plant cells.
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$(iii)$
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In many multicellular organisms, all cells have projections called cilia and flagella.
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$(iv)$
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Cell destruction occurs by centrosomes.
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