Which of the following is an incorrect pair?

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(B) $1$. Centrioles exhibit a $(9 + 0)$ arrangement of microtubules,which is correct.$2$. Fimbriae are surface structures in bacteria involved in atta

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Fimbriae: Conjugation

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(B) $1$. Centrioles exhibit a $(9 + 0)$ arrangement of microtubules,which is correct.$2$. Fimbriae are surface structures in bacteria involved in attachment to rocks or host tissues,not in conjugation (which is the function of pili). Thus,this pair is incorrect.$3$. Microtubules are structural components of the cytoskeleton,providing support and shape,often described as durable protein filaments.$4$. Differentiated cells,such as sclerenchyma in plants,have lost the ability to divide and perform specific functions,which is correct.

Column-$I$	Column-$II$
$A$. Mitochondria	$I$. Without membrane
$B$. Lysosomes	$II$. Single membrane
$C$. Ribosomes	$III$. Double membrane

Similar Questions

Match Column-$I$ (cell organelle) with Column-$II$ (membrane) and select the correct option from the codes given below.
Column-$I$ Column-$II$
$A$. Mitochondria $I$. Without membrane
$B$. Lysosomes $II$. Single membrane
$C$. Ribosomes $III$. Double membrane

The magnifying power of the oil immersion lens in a light compound microscope is . . . . . . . (in $X$)

The distinction between prokaryotes and eukaryotes is mainly based on:

The cell organelle that contains an abundance of oxidizing enzymes is .........

The endomembrane system includes ..........

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