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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
Which of the following events occurs during $G_{1}$-phase?
  • A
    $DNA$ replication
  • ✓
    Growth and normal function of cell
  • C
    Mutation
  • D
    Fertilization
✓

Answer

Correct option: B.
Growth and normal function of cell
b
$G_{1}$-phase is called as pre-synthetic phase or post-mitotic phase. It is the longest phase of cell cycle. In $G_{1}$-phase, a cell has two options:

$1.$ Continues cycle and enters $S-$phase

$2.$ Stops cell cycle and enters $G_{0}$-phase for undergoing differentiation.

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