NEETBotanyCell Cycle and Cell Division
Read the following statements regarding the cell cycle: (I) The M phase represents the phase when the actual cell division or mitosis occurs. (II) Interphase lasts for more than 95% of the duration of the cell cycle. (III) During G ₁ phase, the cell is metabolically active and continuously grows but does not replicate its DNA. (IV) In animal cells, during the S phase, DNA replication begins in the nucleus, and the ce
Options
- AOnly one
- BOnly two
- COnly three
- DAll four
Correct answer
D. All four
Step-by-step solution
Based on the NCERT concepts of the cell cycle: Statement (I) is correct: The M phase is the period of actual cell division or mitosis. Statement (II) is correct: The interphase is the resting phase, which lasts for more than 95% of the total duration of the cell cycle. Statement (III) is correct: During the G ₁ phase, the cell is metabolically active and grows continuously but does not replicate its DNA. Statement (IV) is correct: In animal cells, during the S phase, DNA replication begins in the nucleus, and the c