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   100 MCQs on Chapter 4: The Cell Cycle for Class 9 Biology.  Chapter 4: The Cell Cycle – MCQs What is the basic unit of life? A) Atom B) Tissue C) Cell D) Organ Answer: C) Cell The cell cycle is the series of events that take place in a cell leading to its: A) Growth and metabolism B) Division and replication C) Movement and differentiation D) Aging and death Answer: B) Division and replication Which of the following phases is not part of interphase? A) G1 phase B) G2 phase C) M phase D) S phase Answer: C) M phase The longest phase of the cell cycle is: A) M phase B) G1 phase C) S phase D) Interphase Answer: D) Interphase DNA replication occurs during the: A) G1 phase B) S phase C) G2 phase D) M phase Answer: B) S phase The phase after S phase is: A) G1 B) M C) G2 D) Cytokinesis Answer: C) G2 Mitosis is also known as: A) Cell death B) Cell duplication C) Somatic cell division D) Meiosis Answer: C) Somatic...