Topic: Cytoskeleton, cilia, flagella, centrioles; nucleus· Cell Structure and Function

Which of the following is true for nucleolus ?

1. Larger nucleoli are present in dividing cells.

2. It takes part in spindle formation.

3. It is a membrane-bound structure.

4. It is a site for active ribosomal RNA synthesis.

Doubtly Asked 30 Oct 2026 NEET UG 2018 Practice test neet Save WhatsApp Report

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Answer: 4. It is a site for active ribosomal RNA synthesis.

The nucleolus is a non-membranous site of active rRNA synthesis and ribosome assembly.

Larger nucleoli are found in cells making a lot of protein, not in dividing cells (it disappears in division). Spindle formation is by centrioles/microtubules.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which of the following is true for nucleolus ?

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