This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain how cancer cells differ from normal cells in terms of cell cycle regulation. A) Cancer cells have a longer cell cycle. B) Cancer cells ignore cell cycle checkpoints. C) Cancer cells have more checkpoints. D) Cancer cells divide less frequently. Show Answer Correct Answer: B) Cancer cells ignore cell cycle checkpoints. 2. The "prepare phase" Nuclear membrane dissolves, DNA forms chromosomes A) Anaphase. B) Telophase. C) G2. D) Prophase. E) Metaphase. Show Answer Correct Answer: D) Prophase. 3. A reduction step during meiosis is important because- A) Otherwise chromosome copies would double each fertilization. B) Only one copy of each chromosome is necessary. C) It returns the chromosome number to normal before fertilization. D) There is a mechanism for this. Show Answer Correct Answer: A) Otherwise chromosome copies would double each fertilization. 4. Mass of rapidly dividing cells that can damage surrounding tissue. A) Cancer. B) Tumor. C) Human growth hormone. D) Growth factor. Show Answer Correct Answer: B) Tumor. 5. In this stage, the nucleus divides in the first stage and the cell's cytoplasm divides in the second stage A) S. B) Interphase. C) G1. D) Mitotic. Show Answer Correct Answer: D) Mitotic. 6. Nucleus and its contents divide A) Mitosis. B) Cytokinesis. C) Cell Cycle. D) None of the above. Show Answer Correct Answer: A) Mitosis. 7. What is the main purpose of the G1 phase? A) Chromosome separation. B) DNA replication. C) Cytoplasm division. D) Cell growth. Show Answer Correct Answer: D) Cell growth. 8. A nucleotide includes ..... ? A) Pentose sugar. B) Nitrogenous base. C) Phosphate group. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which is true of daughter cells? A) They each have the same DNA. B) They each have half the DNA. C) They each have double the DNA. D) None of the above. Show Answer Correct Answer: A) They each have the same DNA. 10. Chromatids are held together by a A) Centriole. B) Spindle fiber. C) Cell plate. D) Centromere. Show Answer Correct Answer: D) Centromere. 11. Cells that can no longer divide are in: A) Go phase. B) Metaphse. C) G1 phase. D) S phase. Show Answer Correct Answer: A) Go phase. 12. The phase of mitosis where the nuclear membrane formsis called ..... A) Telophase. B) Prophase. C) Anaphase. D) Metaphase. Show Answer Correct Answer: A) Telophase. 13. Which phase is not part of interphase? A) G2 phase. B) G1 phase. C) M phase. D) S phase. Show Answer Correct Answer: C) M phase. 14. What is the role of cyclins in the cell cycle? A) To repair DNA damage. B) To regulate the progression of the cell cycle. C) To initiate DNA replication. D) To assist in cell division. Show Answer Correct Answer: B) To regulate the progression of the cell cycle. 15. Substances known to produce or promote cancer are called ..... A) Cyclins. B) Growth factors. C) Kinases. D) Carcinogens. Show Answer Correct Answer: D) Carcinogens. 16. What is the final stage of karyokinesis called? A) Prophase. B) Telophase. C) Metaphase. D) Cytokinesis. Show Answer Correct Answer: B) Telophase. 17. Spindle fibres attach on to A) Centromere of the chromosome. B) Telomere of the chromosome. C) Kinetosome of the chromosome. D) Kinetochore of the chromosome. Show Answer Correct Answer: D) Kinetochore of the chromosome. 18. How many times is DNA copied for meiosis. A) Four times. B) Twice. C) Once during interphase. D) Zero. Show Answer Correct Answer: C) Once during interphase. 19. Spindle formation can be disrupted by exposing cell to the microtubule poison such as A) Vitamin A. B) High concentration of oxygen. C) Colchicines. D) Cholesterol. Show Answer Correct Answer: C) Colchicines. 20. Put the stages of mitosis in the correct order. A) Anaphase-prophase-telophase-metaphase. B) Prophase-metaphase-anaphase-telophase. C) Telophase-metaphase-prophase-anaphase. D) Metaphase-anaphase-prophase-telophase. Show Answer Correct Answer: B) Prophase-metaphase-anaphase-telophase. 21. What is the result of DNA replication before mitosis? A) Homologous chromosomes separate. B) Tetrads align at the metaphase plate. C) Haploid daughter cells. D) Duplicated chromosome (two sister chromatids). Show Answer Correct Answer: D) Duplicated chromosome (two sister chromatids). 22. What is the second step of the Mitotic Phase A) Cytokinesis. B) Mitosis. C) Telekinesis. D) Meiosis. Show Answer Correct Answer: A) Cytokinesis. 23. DNA in a cell is copied during A) G1 Phase. B) G2 Phase. C) Prophase. D) S Phase. Show Answer Correct Answer: D) S Phase. 24. The phase that starts mitosis is ..... A) Metaphase. B) Telophase. C) Prophase. D) Anaphase. Show Answer Correct Answer: C) Prophase. 25. Units of around 200 DNA base pairs wound round eight histone proteins makes the smallest unit of DNA packing structure called ..... A) Nucleosome. B) Nucleus. C) Nucleolus. D) Nuclear membrane. Show Answer Correct Answer: A) Nucleosome. 26. Chromosomes are duplicated during which phase of the cell cycle? A) G2 phase. B) G1 phase. C) S phase. D) M phase. Show Answer Correct Answer: C) S phase. 27. How many daughter cells are produced at the end of meiosis? A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: C) 4. 28. 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. 29. 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. 30. 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. 31. 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. 32. Phase in which microtubules attach to chromosomes aligning them on equator. A) G1. B) Metaphase. C) Interphase. D) Telophase. Show Answer Correct Answer: B) Metaphase. 33. 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). 34. Human males have ..... different types of chromosomes. A) 24. B) 46. C) 48. D) 23. Show Answer Correct Answer: A) 24. 35. Oncogenes cause super-accelerated A) Apoptosis. B) Mitosis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mitosis. 36. Uncontrolled cell division is characteristic of A) Sporulation. B) Meiosis. C) Budding. D) Cancer. Show Answer Correct Answer: D) Cancer. 37. During a biology class, Nora, Anika, and Grace were studying about DNA. They learned that a continuous thread of DNA is called ..... A) Nucleic Acid. B) Chromatid. C) Gene. D) Chromosome. Show Answer Correct Answer: D) Chromosome. 38. What structure forms during cytokinesis in plant cells? A) Centriole. B) Spindle fiber. C) Nuclear membrane. D) Cell plate. Show Answer Correct Answer: D) Cell plate. 39. What are the two main transport tissues found in vascular bundles in plants? A) Xylem and chloroplast. B) Phloem and guard cells. C) Xylem and phloem. D) Stoma and nucleus. Show Answer Correct Answer: C) Xylem and phloem. 40. Most prokaryotic organisms reproduce mainly by the process of A) Binary fission. B) Regeneration. C) Production of spores. D) Budding. Show Answer Correct Answer: A) Binary fission. 41. DNA will condense into ..... A) Centromeres. B) Chromosomes. C) Nuclei. D) Spindle fibers. Show Answer Correct Answer: B) Chromosomes. 42. Which of the following is a feature of a plant cell division that distinguishes it from an animal cell dividing? A) A cleavage furrow forms. B) Four new cells are present. C) Cytokinesis does not occur. D) A cell plate forms. Show Answer Correct Answer: D) A cell plate forms. 43. If a cell with 30 chromosomes undergoes mitosis, how many chromosomes will each daughter cell have? A) 15. B) 30. C) 45. D) 60. Show Answer Correct Answer: B) 30. 44. In which stage of the cell cycle is the cell preparing for division? A) G$_{2}$. B) M. C) S. D) G$_{1}$. Show Answer Correct Answer: A) G$_{2}$. 45. What happens to the nuclear envelope during prophase? A) It starts to break down. B) It doubles in size. C) It becomes more rigid. D) It changes its shape. Show Answer Correct Answer: A) It starts to break down. 46. How many metaphasic plates are formed in metaphase I A) 0. B) 1. C) 4. D) 2. Show Answer Correct Answer: D) 2. 47. Which of the following is not a part of interphase? A) G2. B) M. C) S. D) G1. Show Answer Correct Answer: B) M. 48. How many chromosomes will a normal human have after a complete cell cycle? A) 47. B) 46. C) 92. D) 23. Show Answer Correct Answer: B) 46. 49. What is the term for the phase where cells actually divide to make more cells? A) G2 phase. B) M phase. C) Interphase. D) G1 phase. Show Answer Correct Answer: B) M phase. 50. In which phase of mitosis does the nucleus disappear, centrioles move to the poles, and chromosomes condense into sister chromatids? A) Anaphase. B) Metaphase. C) Prophase. D) Telophase. Show Answer Correct Answer: C) Prophase. 51. How are sexual reproduction and asexual reproduction different from each other? A) Sexual reproduction requires two parents and asexual reproduction requires only one parent. B) Asexual reproduction requires two parents and sexual reproduction requires only one parent. C) Mutation rates are lower in sexual reproduction than in asexual reproduction. D) Asexual reproduction occurs only in multicellular organisms. Show Answer Correct Answer: A) Sexual reproduction requires two parents and asexual reproduction requires only one parent. 52. How many times do DNA replicate? A) Twice in each cell cycle. B) Only once in each cell cycle. C) Once in mitotic cell cycle, once in meiotic-I (reductional division) and once in meiotic-II (equational division). D) None of the above. Show Answer Correct Answer: B) Only once in each cell cycle. 53. During which phase do chromosomes first become visible? A) Prophase. B) Telophase. C) Anaphase. D) Interphase. E) Metaphase. Show Answer Correct Answer: A) Prophase. 54. During which stage of the cell cycle duplication of centrioles in case of animal cells take place? A) G2. B) G0. C) G1. D) S. Show Answer Correct Answer: D) S. 55. Which stage of interphase is growth and cell function A) G1. B) S. C) G2. D) None of the above. Show Answer Correct Answer: A) G1. 56. Duration of cell cycle is A) Same for all organisms. B) Same for all cells of an organism. C) Cell specific. D) All of the above. Show Answer Correct Answer: C) Cell specific. 57. In animals meiotic division occurs during gamete formation. This gametic meiosis results in A) Haplontic life cycle. B) Diplontic life cycle. C) Diplohaplontic life cycle. D) None of these. Show Answer Correct Answer: B) Diplontic life cycle. 58. Cytoplasm and its contents divide A) Mitosis. B) Cytokinesis. C) Cell Cycle. D) None of the above. Show Answer Correct Answer: B) Cytokinesis. 59. Which one is not a checkpoint? A) G2 checkpoint. B) Spindle checkpoint. C) G1 checkpoint. D) G0 checkpoint. Show Answer Correct Answer: D) G0 checkpoint. 60. The proteins that DNA tightly winds around are called A) Chromatids. B) Histones. C) Centromeres. D) Nucleosomes. Show Answer Correct Answer: B) Histones. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books