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

Microtubules are the constituents of :

1. Cilia, Flagella and Peroxisomes

2. Spindle fibres, Centrioles and Cilia

3. Centrioles, Spindle fibres and Chromatin

4. Centrosome, Nucleosome and Centrioles

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Answer: 2. Spindle fibres, Centrioles and Cilia

Key idea: Microtubules make up spindle fibres, centrioles (and basal bodies), and the axonemes of cilia and flagella.

Option (2) lists all three. Option (1) has peroxisomes, which are membrane-bound vesicles. Chromatin and nucleosomes contain DNA and histones, not microtubules.

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

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Microtubules are the constituents of :

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