This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 20 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the cell cycle? A) The gradual development of something, especially from a simple to a more complex form. B) The study of heredity and the variation of inherited characteristics. C) The branch of biology that deals with the relations of organisms to one another and to their physical surroundings. D) The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells. Show Answer Correct Answer: D) The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells. 2. Identical cells formed during cell division are called: A) Daughter cells. B) Daughter cycles. C) Daughter organelles. D) Daughter nucleus. Show Answer Correct Answer: A) Daughter cells. 3. Karyokinesis is the: A) Division of nucleus during cell division. B) Division of centrosome. C) Division of nucleolus. D) Division of cytoplasm during cell division. Show Answer Correct Answer: A) Division of nucleus during cell division. 4. What structure pulls chromosomes apart during anaphase? A) Centrioles. B) Nuclear envelope. C) Chromatin. D) Spindle fibers. Show Answer Correct Answer: D) Spindle fibers. 5. In a Diploid cell (2n= 32) number of chromosomes on metaphasic plate is- A) 32. B) 42. C) 22. D) 53. Show Answer Correct Answer: A) 32. 6. During which stage of cell division do the chromosomes shorten, condense, and become visible? A) Anaphase. B) Interphase. C) Prophase. D) Metaphase. Show Answer Correct Answer: C) Prophase. 7. Where is the DNA located? A) Nucleus. B) Cytoplasm. C) Vacuole. D) None of the above. Show Answer Correct Answer: A) Nucleus. 8. In which stage DNA replication takes place? A) S phase. B) G$_{1 }$-phase. C) G$_{2-}$phase. D) Metaphase. Show Answer Correct Answer: A) S phase. 9. Which of the following is the correct order for the phases of the cell cycle? A) G1, S, G2, M, C. B) S, G1, G2, M, C. C) G1, M, G2, C, S. D) G1, G2, S, M, C. Show Answer Correct Answer: A) G1, S, G2, M, C. 10. What is the correct description of a diploid cell in humans? A) It has 23 pairs of chromatids. B) It has 23 chromosomes. C) It has 92 chromatids. D) It has 46 chromosomes. Show Answer Correct Answer: D) It has 46 chromosomes. 11. After S phase, how many chromatids does a human cell have? A) 23. B) 46. C) 23 pairs. D) 92. Show Answer Correct Answer: D) 92. 12. How many causes of genetic variation are there in sexual reproduction? A) One. B) Two. C) Four. D) Three. Show Answer Correct Answer: D) Three. 13. What happens to the amount of DNA in the nucleus just before the beginning of mitosis and why? A) The cell grows to twice its original size. B) The amount of DNA is doubled so that the two new cells each have the same original amount. C) The amount of chromosomes triples. D) Cytoplasm divides. Show Answer Correct Answer: B) The amount of DNA is doubled so that the two new cells each have the same original amount. 14. Best material to study meiosis is A) Pollen grain. B) Young anther. C) Root tip. D) Ovary. Show Answer Correct Answer: B) Young anther. 15. Plasma membrane fibers contract around the cell, the cell divides is an example of cytokinesis in A) Animals. B) Plant. C) All the above. D) None of the above. Show Answer Correct Answer: A) Animals. 16. In meiosis crossing over is initiated at A) Zygotene. B) Diplotene. C) Pachytene. D) Leptotene. Show Answer Correct Answer: C) Pachytene. 17. Meiosis consists of A) Two cell divisions with only two rounds of chromosome replication. B) Two cell divisions without any DNA replication. C) Two cell divisions in which chromosome number is reduced to half. D) A single cell division with chromosome replication. Show Answer Correct Answer: C) Two cell divisions in which chromosome number is reduced to half. 18. Which of the following represents what happens to the chromosome number during MITOSIS? A) N $\rightarrow$ 2n. B) 2n $\rightarrow$ 2n. C) 2n $\rightarrow$ 4n. D) 2n $\rightarrow$ n. Show Answer Correct Answer: B) 2n $\rightarrow$ 2n. 19. Replication of DNA in the cell cycle occurs during the: A) G1 phase. B) S phase. C) Anaphase. D) G2 phase. Show Answer Correct Answer: B) S phase. 20. The number of chromosomes is reduced to half during A) Meiosis I. B) Mitosis. C) Meiosis. D) Fertilisation. Show Answer Correct Answer: A) Meiosis I. 21. ..... is the best stage to count the number and study the morphology of chromosomes. A) Metaphase. B) Anaphase. C) Telophase. D) Prophase. Show Answer Correct Answer: A) Metaphase. 22. The cell uses what two types of transport proteins? A) Passive and molecules. B) Carrier and channel. C) Carrier and passive. D) Carrier and ATP. Show Answer Correct Answer: D) Carrier and ATP. 23. During the ..... phase, DNA is replicated. A) G1. B) M. C) S. D) G2. Show Answer Correct Answer: C) S. 24. What is the correct expansion for DNA? A) Dioxynucleic acid. B) Dioxyribonucleic acid. C) Deoxynucelic acid. D) Deoxyribonucleic acid. Show Answer Correct Answer: D) Deoxyribonucleic acid. 25. Which biomolecule functions as long term energy storage A) Lipid. B) Carbohydrate. C) Protein. D) Nucleic Acids. Show Answer Correct Answer: A) Lipid. 26. During which phase of mitosis does cytokinesis begin? A) Anaphase. B) Prophase. C) Metaphase. D) Telophase. Show Answer Correct Answer: D) Telophase. 27. What will be the number of chromosomes and amount of DNA respectively in a diploid cell undergoing meiotic division after S phase of the interphase? A) N and n. B) N and 2n. C) 2n and 2n. D) 2n and 4n. Show Answer Correct Answer: D) 2n and 4n. 28. What is the term for the number of sets of chromosomes in cells? A) Homologous pair. B) Ploidy. C) Haploid. D) Diploid. Show Answer Correct Answer: B) Ploidy. 29. The division of the cytoplasm during the cell cycle is called ..... A) Binary Fission. B) Mitosis. C) Meiosis. D) Cytokinesis. Show Answer Correct Answer: D) Cytokinesis. 30. The points where two non-sister chromatids crossover are called A) Chiasmata. B) Kinetochore. C) Chromatid. D) Centromere. Show Answer Correct Answer: A) Chiasmata. 31. Meiosis is a type of cell division that results in the formation of how many daughter cells from a parent cell? A) Two haploid cells. B) Four diploid cells. C) Four haploid cells. D) Two diploid cells. Show Answer Correct Answer: C) Four haploid cells. 32. Anewnuclear membraneisformedaroundthechromosomes in ..... A) Telophase. B) Metaphase. C) Prophase. D) Anaphase. Show Answer Correct Answer: A) Telophase. 33. Which of the following describes the purpose of the mitotic cell division? 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. 34. Mutations cause UNCONTROLLED growth which leads to cancer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. What would be the result if cells did not differentiate? A) All of the body cells of an organism would be identical. B) The cells of an organism would not undergo mitosis. C) All of the body cells of an organism would develop mutations. D) The cells of an organism would become specialized. Show Answer Correct Answer: A) All of the body cells of an organism would be identical. 36. This process is the programmed death of a cell A) Stem cell. B) Cytocide. C) Regulation. D) Apoptosis. Show Answer Correct Answer: D) Apoptosis. 37. Proto-oncogenes can mutate into ..... A) Oncogenes. B) Tumor suppressor genes. C) DNA repair proteins. D) None of the above. Show Answer Correct Answer: A) Oncogenes. 38. What stage in the cell cycle does a cell spend most of its life? A) S. B) Mitosis. C) Interphase. D) G0. Show Answer Correct Answer: C) Interphase. 39. What is the first phase of the cell cycle? A) G1 phase. B) G2 phase. C) M phase. D) S phase. Show Answer Correct Answer: A) G1 phase. 40. If a cell were unable to divide by mitosis, the cell would A) Create a replacement cell. B) Mutate. C) Eventually make a new cell. D) Eventually die because it would get too big. Show Answer Correct Answer: D) Eventually die because it would get too big. 41. Chromosomes are made from protein and what other molecule? A) DNA. B) Ammonia. C) Carbon Dioxide. D) ATP. Show Answer Correct Answer: A) DNA. 42. THE GAMETES ARE CONSIDERED TO HAVE ONE HALF OF THE GENETIC INFO SO IT IS CALL A) HAPLOID (N). B) HAPLOID (2N). C) DIPLOID (N). D) DIPLOID (2N). Show Answer Correct Answer: A) HAPLOID (N). 43. Time period between cell divisions. A) Cytokinesis. B) Interphase. C) Mitosis. D) Anaphase. Show Answer Correct Answer: B) Interphase. 44. Which phase involves rapid growth and duplication of organelles? A) Anaphase. B) Telophase. C) Mitotic. D) Interphase. Show Answer Correct Answer: D) Interphase. 45. What is the process by which female germ cells develop into mature eggs or ova? A) Oogenesis. B) Spermatogenesis. C) Mitosis. D) Meiosis. Show Answer Correct Answer: A) Oogenesis. 46. Through the ..... , organisms grow, develop, and produce new cells. A) Cell cycle. B) Chromosomes. C) Organ system. D) Sister chromatids. Show Answer Correct Answer: A) Cell cycle. 47. At the end of the Mitotic phase, the original cells no longer exist. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. Which of the following stages is unique to meiosis and not found in mitosis? A) Telophase. B) Metaphase. C) Anaphase I. D) Prophase. Show Answer Correct Answer: C) Anaphase I. 49. The four haploid nuclei found at the end of meiosis differ from one another in their exact genetic composition, some of this difference is the result of A) Cytokinesis. B) Spindle formation. C) Crossing over during Prophase I. D) Replication of DNA during the S-phase. Show Answer Correct Answer: C) Crossing over during Prophase I. 50. Which is NOT a phase in interphase? A) G3. B) S. C) G1. D) G2. Show Answer Correct Answer: A) G3. 51. ..... is a critical point where stop and go signals can regulate the cell cycle. A) Cancer. B) Metastasis. C) Apoptosis. D) Checkpoint. Show Answer Correct Answer: D) Checkpoint. 52. When you start with 1 cell, at the end of mitosis, how many identical cells will you have? A) 2. B) 4. C) 1. D) 3. Show Answer Correct Answer: A) 2. 53. Cytokinesis is the division of the ..... what? A) Division of labor!. B) Chromosomes. C) Nucleus. D) Cell/cytoplasm. Show Answer Correct Answer: D) Cell/cytoplasm. 54. Grease, oil, and butter are examples of A) Lipids. B) Proteins. C) Nucleic acids. D) Carbohydrates. Show Answer Correct Answer: A) Lipids. 55. What is the term for having a somatic cell and sex cells and the fusion of two gametes to produce a single zygote? A) Gametes. B) Sexual Reproduction. C) Asexual Reproduction. D) Ploidy. Show Answer Correct Answer: B) Sexual Reproduction. 56. Division of the nucleus. A) Cytokinesis. B) Interphase. C) Prophase. D) Mitosis. Show Answer Correct Answer: D) Mitosis. 57. The cell cycle consists of the G1, S, G2, and the ..... phase. A) A. B) G4. C) M. D) G3. Show Answer Correct Answer: C) M. 58. During which phase of mitosis does centromere split? A) Metaphase. B) Prophase. C) Telophase. D) Anaphase. Show Answer Correct Answer: D) Anaphase. 59. An abnormal mass of cancer cells is called a ..... A) Benign. B) G0 phase. C) Tumor. D) Lesion. Show Answer Correct Answer: C) Tumor. 60. Part of the cell cycle where cell divides its identical copied DNA to make 2 identical diploid cells; includes prophase, metaphase, anaphase, and telophase A) Interphase. B) Anaphase. C) Cytokinesis. D) Mitosis. Show Answer Correct Answer: D) Mitosis. ← 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