The normal $pH$ of protoplasm is:
- A$7.8$
- B$6.8$
- C$5.0$
- D$6.5$
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Match the following.
$A$. Microfilament $i$. Cellulose $B$. Microtubules $ii$. Cytoskeleton $C$. Intermediate filament $iii$. In cilia and flagella $D$. Cell wall $iv$. Durable protein
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| $B$. Microtubules | $ii$. Cytoskeleton |
| $C$. Intermediate filament | $iii$. In cilia and flagella |
| $D$. Cell wall | $iv$. Durable protein |
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