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Cell Cycle and Cell Division

Meiosis and Its Significance Practice Questions

20 free Meiosis and Its Significance practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Meiosis and Its Significance questions

20 questions
  1. Q1. Which of the following is the most significant characteristic of Meiosis I that distinguishes it from Mitosis?
  2. Q2. During which sub-stage of Prophase I do chromosomes start pairing together through a process called synapsis?
  3. Q3. The process of crossing over, which leads to the exchange of genetic material between non-sister chromatids, occurs during:
  4. Q4. X-shaped structures that represent the sites of crossing over after the dissolution of the synaptonemal complex are known as:
  5. Q5. The final stage of meiotic Prophase I, characterized by the terminalisation of chiasmata, is:
  6. Q6. During Metaphase I, the bivalents align at the equatorial plate. How do the spindle fibers attach to the chromosomes?
  7. Q7. Anaphase I is characterized by the separation of homologous chromosomes while sister chromatids remain associated at their centromeres. This results in:
  8. Q8. The short stage between Meiosis I and Meiosis II is called:
  9. Q9. Meiosis II is often compared to mitosis because:
  10. Q10. How many daughter cells are produced at the end of Meiosis II, and what is their ploidy?
  11. Q11. Which enzyme is responsible for the process of crossing over?
  12. Q12. In which stage do the chromosomes become gradually visible under the light microscope as the first step of Prophase I?
  13. Q13. If a cell has 24 chromosomes at G1 phase, how many chromosomes will be present in each cell after Meiosis I?
  14. Q14. During Anaphase II, what happens to the sister chromatids?
  15. Q15. The complex formed by a pair of synapsed homologous chromosomes is called a:
  16. Q16. Which of the following describes the biological significance of meiosis?
  17. Q17. At which stage of Meiosis I do the nuclear membrane and nucleolus disappear?
  18. Q18. In oocytes of some vertebrates, which stage can last for months or years?
  19. Q19. Which of the following represents the correct sequence of sub-stages in Prophase I?
  20. Q20. Meiosis II is necessary because: