Question

Study the given diagram and mark the correct option.

• A. Cells in this stage remain metabolically active but no longer proliferate $:F$
• B. DNA replicates in nucleus and centriole duplicates in the cytoplasm $:A$
• C. Constitutes more than $95$% duration of cell cycle $:D$ and $E$
• D. Interval between mitosis and initiation of DNA replication $:C$

Answer 1

The correct option is A Cells in this stage remain metabolically active but no longer proliferate $:F$

In the given diagram, A is a phase of growth and normal metabolism. B is synthesis phase with replication of DNA. C is second growth phase with preparation for division.D and E are phase of mitosis and F is phase of cytokinesis.D and E constitute 10% duration of cell cycle. In F phase the division of nuclei, cytoplasm, organelles and cell membrane occurs, thus cell is metabolically active but doesn’t proliferate in this phase. Therefore answer A is correct.