During the metaphase stage of mitosis, spindle fibres attach to chromosomes at

(A)kinetochore
(B)both centromere and kinetochore
(C)centromere, kinetochore and areas adjoining centromere
(D)centromere

The NCERT line that answers it

Verbatim line

Small disc-shaped structures at the surface of the centromeres are called kinetochores.

Chapter: Cell Cycle and Cell Division
Section: 10.2.2 Metaphase
Page: 3
Words matched: 50 of 50

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'Small disc-shaped structures at the surface of the centromeres are called kinetochores' and the full paragraph confirms 'Spindle fibres attach to kinetochores of chromosomes,' directly supporting option A and distinguishing it from options mentioning centromere.

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