Multiple choice Which among the following is the longest phase in the cell cycle? Anaphase Metaphase Interphase Telo phase Reveal answer Fill a bubble to check yourself C Correct answer Explanation Interphase occupies about 90% of the cell cycle, consisting of G1, S, and G2 phases where the cell grows and replicates its DNA. The mitotic phase (prophase, metaphase, anaphase, telophase) is much shorter by comparison.