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STD 11 - 10. Cell cycle and cell division — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 10. Cell cycle and cell division1 Mark
MCQ
A stage in cell division is shown in the figure. Select the answer which gives correct identi­ fication of the stage with its characteristics.
  • A
    Cytokinesis $⇒$ Cell plate formed,mitochondria distributed between two daughter cells.
  • B
    Telophase $⇒$ Endoplasmic reticulumand nucleolus not reformed yet.
  • ✓
    Telophase $⇒$ Nuclear envelopereforms,Golgi complex reforms.
  • D
    Late anaphase $⇒$ Chromosomes moveaway from equatorial plate, Golgi complex not present.
✓

Answer

Correct option: C.
Telophase $⇒$ Nuclear envelopereforms,Golgi complex reforms.
c
(c) : The figure given in the question shows a stage of mitotic cell division called as telophase stage. The individual chromosomes are no longer seen and chromatin material tends to collect in a mass at the two poles. This is the stage which shows the following key events:

-Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements.

-Nuclear envelope assembles around the chromosome clusters.

-Nucleolus, Golgi complex and $ER$ reform.

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