Cell cycle and cell division MCQs

  1. The cell cycle consists of which of the following phases?
    a) Interphase and Mitotic phase
    b) Prophase and Anaphase
    c) G1 phase and S phase
    d) Anaphase and Telophase
    ✔️ Answer: a) Interphase and Mitotic phase
  2. Which of the following occurs during the S phase of the cell cycle?
    a) Chromosomes are aligned in the center
    b) DNA replication occurs
    c) The cytoplasm divides
    d) The nuclear membrane dissolves
    ✔️ Answer: b) DNA replication occurs
  3. Which of the following is the correct sequence of stages in mitosis?
    a) Prophase → Anaphase → Metaphase → Telophase
    b) Metaphase → Telophase → Prophase → Anaphase
    c) Prophase → Metaphase → Anaphase → Telophase
    d) Telophase → Metaphase → Prophase → Anaphase
    ✔️ Answer: c) Prophase → Metaphase → Anaphase → Telophase
  4. What is the end result of mitosis?
    a) Two genetically identical daughter cells
    b) One genetically identical daughter cell
    c) Four genetically distinct daughter cells
    d) A single, diploid cell
    ✔️ Answer: a) Two genetically identical daughter cells
  5. Which of the following phases of mitosis is characterized by the alignment of chromosomes at the cell’s equator?
    a) Prophase
    b) Anaphase
    c) Metaphase
    d) Telophase
    ✔️ Answer: c) Metaphase
  6. During which phase of the cell cycle does the cell grow and carry out normal functions?
    a) G1 phase
    b) S phase
    c) G2 phase
    d) M phase
    ✔️ Answer: a) G1 phase
  7. Which of the following happens during anaphase?
    a) Chromosomes line up at the equator
    b) The nuclear membrane reforms
    c) Sister chromatids are pulled apart
    d) Chromosomes begin to condense
    ✔️ Answer: c) Sister chromatids are pulled apart
  8. Which phase follows G1 phase in the cell cycle?
    a) S phase
    b) G2 phase
    c) M phase
    d) Interphase
    ✔️ Answer: a) S phase
  9. Meiosis results in the formation of:
    a) Two diploid cells
    b) Four diploid cells
    c) Two haploid cells
    d) Four haploid cells
    ✔️ Answer: d) Four haploid cells
  10. The process by which a cell divides into two identical daughter cells is known as:
    a) Mitosis
    b) Meiosis
    c) Binary fission
    d) Cytokinesis
    ✔️ Answer: a) Mitosis
  11. Which of the following is true about meiosis?
    a) It produces genetically identical cells
    b) It involves two rounds of division
    c) It occurs only in somatic cells
    d) It results in the formation of diploid cells
    ✔️ Answer: b) It involves two rounds of division
  12. Which phase of the cell cycle is characterized by the replication of DNA?
    a) G1 phase
    b) G2 phase
    c) S phase
    d) M phase
    ✔️ Answer: c) S phase
  13. Cytokinesis in animal cells is achieved by:
    a) Formation of a cleavage furrow
    b) Formation of a cell plate
    c) Formation of chromosomes
    d) Fusion of two nuclei
    ✔️ Answer: a) Formation of a cleavage furrow
  14. In which phase of mitosis do chromosomes first become visible?
    a) Prophase
    b) Metaphase
    c) Anaphase
    d) Telophase
    ✔️ Answer: a) Prophase
  15. Which of the following statements is true about the G0 phase of the cell cycle?
    a) It is a resting phase for cells that no longer divide
    b) It is the phase where DNA is replicated
    c) It is a phase of cell division
    d) It is the phase of mitosis
    ✔️ Answer: a) It is a resting phase for cells that no longer divide