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Question

Astral rays are formed of

A
Microfilaments
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B
Microtubules
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C
Intermediate filaments
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D
Microvilli
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Solution

The correct option is B Microtubules
Asters do not form during mitosis in plants. Astral rays, composed of microtubules, radiate from the centrosphere and look like a cloud. Astral rays are one variant of microtubule which comes out of the centrosome, others include kinetochore microtubules and polar microtubules.
So B is the correct option.

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