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WBCS Preliminary Examination 2015 — General Studies · Question 132 of 200

Q132
General ScienceBiology
During cell division, DNA synthesis takes place in
  1. a.Interphase
  2. b.Anaphase
  3. c.Prophase
  4. d.Telophase

Answer: (A) Interphase

DNA replication occurs during the S (Synthesis) sub-phase of Interphase, specifically between G₁ and G₂ phases. By the time a cell enters Prophase (the first stage of mitosis), DNA replication is already complete. This ensures each daughter cell receives an identical copy of the genome.

Q131 Whole paperQ133