This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Substances known to produce or promote cancer are called ..... A) Carcinogens. B) Kinases. C) Cyclins. D) Growth factors. Show Answer Correct Answer: A) Carcinogens. 2. What is the final stage of karyokinesis called? A) Metaphase. B) Prophase. C) Cytokinesis. D) Telophase. Show Answer Correct Answer: D) Telophase. 3. Spindle fibres attach on to A) Telomere of the chromosome. B) Kinetochore of the chromosome. C) Centromere of the chromosome. D) Kinetosome of the chromosome. Show Answer Correct Answer: B) Kinetochore of the chromosome. 4. How many times is DNA copied for meiosis. A) Once during interphase. B) Twice. C) Four times. D) Zero. Show Answer Correct Answer: A) Once during interphase. 5. Spindle formation can be disrupted by exposing cell to the microtubule poison such as A) High concentration of oxygen. B) Vitamin A. C) Cholesterol. D) Colchicines. Show Answer Correct Answer: D) Colchicines. 6. Put the stages of mitosis in the correct order. A) Prophase-metaphase-anaphase-telophase. B) Metaphase-anaphase-prophase-telophase. C) Anaphase-prophase-telophase-metaphase. D) Telophase-metaphase-prophase-anaphase. Show Answer Correct Answer: A) Prophase-metaphase-anaphase-telophase. 7. What is the result of DNA replication before mitosis? A) Tetrads align at the metaphase plate. B) Homologous chromosomes separate. C) Duplicated chromosome (two sister chromatids). D) Haploid daughter cells. Show Answer Correct Answer: C) Duplicated chromosome (two sister chromatids). 8. What is the second step of the Mitotic Phase A) Mitosis. B) Cytokinesis. C) Telekinesis. D) Meiosis. Show Answer Correct Answer: B) Cytokinesis. 9. DNA in a cell is copied during A) G2 Phase. B) Prophase. C) S Phase. D) G1 Phase. Show Answer Correct Answer: C) S Phase. 10. The phase that starts mitosis is ..... A) Prophase. B) Metaphase. C) Anaphase. D) Telophase. Show Answer Correct Answer: A) Prophase. 11. What is the process by which a cell divides into two daughter cells called? A) Cell expansion. B) Cell division. C) Cell fusion. D) Cell contraction. Show Answer Correct Answer: B) Cell division. 12. Units of around 200 DNA base pairs wound round eight histone proteins makes the smallest unit of DNA packing structure called ..... A) Nuclear membrane. B) Nucleus. C) Nucleosome. D) Nucleolus. Show Answer Correct Answer: C) Nucleosome. 13. Chromosomes are duplicated during which phase of the cell cycle? A) M phase. B) G1 phase. C) G2 phase. D) S phase. Show Answer Correct Answer: D) S phase. 14. How many daughter cells are produced at the end of meiosis? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 15. Which of the following describes the purpose of the mitosis cell cycle? A) To make more of the same cells. B) For growth and repair. C) To prevent the cell from becoming too large. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. During which phase of cell cycle, the amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? A) G2. B) G1. C) S. D) M. Show Answer Correct Answer: A) G2. 17. The cell cycle is important for reproduction in ..... organisms. A) Unicellular. B) Multicellular. C) All the above. D) None of the above. Show Answer Correct Answer: A) Unicellular. 18. What adds new DNA to the old strands, replicating it (towards the replication fork for the leading strand, away from the replication fork for the lagging strand) A) Helicase. B) DNA Polymerase. C) Okazaki fragments. D) None of the above. Show Answer Correct Answer: B) DNA Polymerase. 19. A cell cycle includes A) Interphase and M phase. B) Prophase, metaphase, anaphase and telophase. C) G$_{1}$, S and G$_{2}$ phases. D) Karyokinesis and cytokinesis. Show Answer Correct Answer: A) Interphase and M phase. 20. Phase in which microtubules attach to chromosomes aligning them on equator. A) Telophase. B) G1. C) Metaphase. D) Interphase. Show Answer Correct Answer: C) Metaphase. 21. How many times does the cell divide in meiosis? A) Twice (PMAT). B) None of these. C) 3 times. D) Once. Show Answer Correct Answer: A) Twice (PMAT). 22. Human males have ..... different types of chromosomes. A) 23. B) 24. C) 46. D) 48. Show Answer Correct Answer: B) 24. 23. Oncogenes cause super-accelerated A) Apoptosis. B) Mitosis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mitosis. 24. Uncontrolled cell division is characteristic of A) Meiosis. B) Cancer. C) Budding. D) Sporulation. Show Answer Correct Answer: B) Cancer. 25. During a biology class, Nora, Anika, and Grace were studying about DNA. They learned that a continuous thread of DNA is called ..... A) Chromosome. B) Chromatid. C) Gene. D) Nucleic Acid. Show Answer Correct Answer: A) Chromosome. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 1Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 2Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 3Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 4Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 5Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 6Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 7Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 8Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 9Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books