Cell Cycle and Meiosis Quiz PDF
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Summary
This is a quiz on cell cycle and meiosis in biological study. It covers various aspects of these cellular processes and their stages, including the formation of haploid and diploid cells.
Full Transcript
## Cell Cycle and Meiosis Quiz 1. **Which of the following is a haploid cell?** - A. Oogonium. - B. Zygote. - **C. Spermatid.** - D. Primary spermatocyte. 2. **In a primary oocyte, non-sister chromatids of a homologous pair are held together at which region of the following?**...
## Cell Cycle and Meiosis Quiz 1. **Which of the following is a haploid cell?** - A. Oogonium. - B. Zygote. - **C. Spermatid.** - D. Primary spermatocyte. 2. **In a primary oocyte, non-sister chromatids of a homologous pair are held together at which region of the following?** - **A. Chiasmata.** - B. Centromere. - C. Centrosome. - D. Equator. 3. **What is the earliest phase at which chromosomes become composed of two identical copies that are held together at the centromere?** - A. M. - B. G1. - C. G2. - **D. S.** 4. **If a frog has 36 pairs of chromosomes in its somatic cells, how many chromosomes are in the frog egg?** - A. 18 - B. 72 - **C. 36** - D. 12 5. **Which of the following best describes the appearance of a somatic cell that fails to go through cytokinesis?** - A. One haploid and one diploid daughter cells. - B. Two daughter cells of equal sizes. - **C. A large multinucleated cell.** - D. Two daughter cells of unequal sizes. 6. **Observation of a kidney cell under the microscope shows loosely packed chromatin in two locations and breakdown of mitotic spindle. The cell is most likely in which phase?** - A. Anaphase. - **B. Telophase.** - C. Prophase. - D. Metaphase. 7. **Which stage of the cell cycle is the most metabolically active?** - **A. G1.** - B. M. - C. G2. - D. S. 8. **Sister chromatids get separated in which of the following phases?** - A. Metaphase. - **B. Anaphase.** - C. Telophase. - D. Anaphase I. 9. **Which of the following represents the chromosomes of stomach cells from a female patient?** - A. 44 + YY. - B. 22 + X. - **C. 22 pairs + XX.** - D. 22 pairs + Y. 10. **In which stage does pairing of homologous chromosomes occur?** - A. Telophase II. - **B. Prophase I.** - C. Prophase II. - D. Telophase I. 11. **A cell under examination has a complete nucleus but has doubled its centrioles and genetic material. In what phase of the cell cycle is this cell in?** - A. Metaphase. - **B. G2.** - C. Anaphase. - D. G1. 12. **Which component of the cytoskeleton is involved in the cleavage furrow?** - A. Intermediate filaments. - **B. Actin filaments.** - C. Microtubules. - D. Centrioles. 13. **What is the phase in which a cell has exited from the cell cycle?** - A. S phase. - **B. G0 phase.** - C. G1 phase. - D. G2 phase. 14. **Duplication of centrioles without duplication of chromosomes occurs during which of the following?** - **A. Interkinesis.** - B. Prometaphase II. - C. S-phase. - D. Interphase. 15. **Which of the following is a correct description of spermiogenesis?** - A. The growth process of spermatogonium. - B. Modifications of sperm cells to become spermatids. - **C. The change of spermatids into sperm.** - D. Formation of haploid spermatids. 16. **During ovulation, which of the following cell is released from ovaries?** - A. Ovum. - B. Oogonium. - C. Primary oocyte. - **D. Secondary oocyte** 17. **Which of the following is correct about the organelles of a fertilized ovum?** - A. 50% paternal and 50% maternal. - B. Paternal in origin. - C. Mostly maternal except double membranous organelles. - **D. Maternal in origin.** 18. **During which of the following phases does the mitotic spindle attach to kinetochores of sister chromatids?** - A. Anaphase. - B. Metaphase. - C. Prophase. - **D. Prometaphase.** 19. **Which of the following is true about spermatogenesis?** - A. Secondary spermatocytes are formed after meiosis II. - B. Primary spermatocytes are formed after meiosis I. - C. Spermatids undergo meiosis II to form final sperm. - **D. Spermatogonia undergo mitosis to form primary spermatocytes.** 20. **Crossing-over and reciprocal DNA exchange between chromatids will form which of the following?** - **A. Recombinant chromatids.** - B. Chromatids with maternal genes only. - C. Chromatids with paternal genes only. - D. Non-recombinant chromatids.