This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mitosis is characterised by A) Reduction division. B) Equal division. C) Both reduction and equal division. D) Pairing of homologous chromosomes. Show Answer Correct Answer: B) Equal division. 2. What is the smallest unit of life (and still be considered a living thing)? A) Organism. B) Organ. C) Cell. D) Organelle. Show Answer Correct Answer: C) Cell. 3. In Anaphase, each chromosome moves away from the equatorial plate, the centromere of each chromosome remains directed towards the pole and hence at the leading edge, with the arms of the chromosome- A) Arms trailing behind. B) Arms remain at equator. C) Arms ahead of centromere. D) Move together with centromere. Show Answer Correct Answer: A) Arms trailing behind. 4. Match column I with column II and select the option from given codes Column I Column IIA. Synaptonemal (i) Pachytene complexB. Recombination (ii) Zygotene noduleC. Terminalisation (iii) Telophase I of chiasmataD. Formation of (iv) Diakinesis dyad cell A) A-(iii); B-(i); C-(iv); D-(ii). B) A-(i); B-(ii); C-(iv); D-(iii). C) A-(ii); B-(i); C-(iii); D-(iv). D) A-(ii); B-(i); C-(iv); D-(iii). Show Answer Correct Answer: D) A-(ii); B-(i); C-(iv); D-(iii). 5. What happens in prophase of mitosis? A) The chromosomes align in the middle of the cell. B) The sister chromatids separate. C) The chromosomes uncoil into chromatin; nucleus reappears; spindles disappear. D) The chromosomes become visible; nucleus disappear; spindles form. Show Answer Correct Answer: D) The chromosomes become visible; nucleus disappear; spindles form. 6. Paring of homologous chromosomes in zygotene is A) Synapse. B) Crossing over. C) Synapsis. D) Terminalisation. Show Answer Correct Answer: C) Synapsis. 7. During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? A) OnlyG2. B) G2 and M. C) G0 and G1. D) G1 and S. Show Answer Correct Answer: A) OnlyG2. 8. What happens at the end of interphase? A) The DNA unwinds. B) The cell's nucleus divides. C) The cell is preparing for mitosis. D) The cell splits into 2 identical cells. Show Answer Correct Answer: C) The cell is preparing for mitosis. 9. What is the longest stage of the cell cycle called? A) M phase. B) G1 Phase. C) Interphase. D) Cytokinesis. Show Answer Correct Answer: C) Interphase. 10. A duplicated chromosome is made of two A) Cytokinesis. B) Mitochondria. C) Sister chromatids. D) Nuclei. Show Answer Correct Answer: C) Sister chromatids. 11. How many gametes are produced at the end of meiosis II? A) 2. B) 8. C) 3. D) 4. Show Answer Correct Answer: D) 4. 12. The cell cycle is ..... A) The process of cells circling throughout the body. B) The process of splitting the organelles. C) A process where one cell gets energy. D) The sequence of stages of growth and division that a cell undergoes. Show Answer Correct Answer: D) The sequence of stages of growth and division that a cell undergoes. 13. An animal's sperm has 100 chromosomes. Its body cells have A) 1000 chromosomes. B) 50 chromosomes. C) 100 chromosomes. D) 200 chromosomes. Show Answer Correct Answer: D) 200 chromosomes. 14. In the word homosapien, the stem "homo" means A) Same. B) Always. C) Different. D) Many. Show Answer Correct Answer: A) Same. 15. Which of the following describes what takes place in the cell during interphase? A) The cell carries out normal cell functions, replicates DNA, and performs checkpoints. B) Chromosomes line up along the equator of the cell. C) The cytoplasm is cut, forming two distinct cells. D) A cell plate forms in plant cells and a cleavage furrow forms in animal cells. Show Answer Correct Answer: A) The cell carries out normal cell functions, replicates DNA, and performs checkpoints. 16. What part of the cell cycle results in the splitting of the new cells? A) Metaphase. B) Cytokinesis. C) Interphase. D) Mitosis. Show Answer Correct Answer: B) Cytokinesis. 17. Which statement is true for mitosis? A) Daughter cells exhibit division of labour. B) Daughter cells are exactly similar in all respects. C) Daughter cells have half the number of chromosomes as compared to mother cell. D) Daughter cells have differences in genetic characters. Show Answer Correct Answer: B) Daughter cells are exactly similar in all respects. 18. What structure attaches sister chromatids together? A) Centromere. B) Spindle fiber. C) Chromatin. D) Centriole. Show Answer Correct Answer: A) Centromere. 19. What can the cell cycle also be called? A) Cell growth. B) Preparation for Mitosis. C) DNA Replication. D) Cell Division. Show Answer Correct Answer: D) Cell Division. 20. The nuclear membrane breaks down occurs during which stage? A) Metaphase. B) Prophase. C) Telophase. D) Interphase. Show Answer Correct Answer: B) Prophase. 21. What is the chromosome number of the daughter cells produced by meiosis II? A) 2. B) N. C) 2n. D) 4n. Show Answer Correct Answer: B) N. 22. In fission, how does the DNA of the daughter cells compare to the DNA of the parent cell? A) It is exactly the same. B) It is better than the parent DNA. C) It is different due to meiosis. D) It is mostly the same with slight changes. Show Answer Correct Answer: A) It is exactly the same. 23. What happens in cytokinesis? A) There are eight important checkpoints there. B) The cell digests its extra DNA. C) The cell fully splits into two cells. D) The cell prepares for mitosis. Show Answer Correct Answer: C) The cell fully splits into two cells. 24. A benign tumor differs from a malignant tumor in that a benign tumor A) Never causes health problems. B) Is cancerous. C) Does not metastisize. D) Spreads from the original site. Show Answer Correct Answer: C) Does not metastisize. 25. A structure that holds sister chromatids together A) Chromatin. B) Spindle Fibers. C) Centromere. D) None of the above. Show Answer Correct Answer: C) Centromere. 26. During which phase of mitosis does the DNA start to condense from long thin threads to short fat threads? A) Metaphase. B) Anaphase. C) Prophase. D) Telophase. Show Answer Correct Answer: C) Prophase. 27. Which of the following is a TRUE statement regarding the Cell Cycle? A) Interphase consists of G$_{0, }$ G$_{1}$, and G$_{2}$ Phases. B) M Phase consists of Mitosis and Cytokinesis. C) Cell Cycle always results in cell death. D) Mitosis consists of G$_{1}$, S, and G$_{2}$ Phases. Show Answer Correct Answer: B) M Phase consists of Mitosis and Cytokinesis. 28. The correct sequence of phases of cell cycle is: A) S $\rightarrow$ $\rightarrow$ $\rightarrow$. B) M $\rightarrow$ $\rightarrow$ $\rightarrow$. C) G1 $\rightarrow$ $\rightarrow$ $\rightarrow$. D) G1 $\rightarrow$ $\rightarrow$ $\rightarrow$. Show Answer Correct Answer: C) G1 $\rightarrow$ $\rightarrow$ $\rightarrow$. 29. What is the difference between the two homologous chromosomes in terms of alleles? A) They have the same alleles. B) They have different genes. C) They have different alleles. D) They are exact copies of each other. Show Answer Correct Answer: C) They have different alleles. 30. When does the splitting of the cell into two cells occur? A) Anaphase. B) Cytokinesis. C) Prophase. D) Metaphase. E) Interphase. Show Answer Correct Answer: B) Cytokinesis. 31. In one type of cell division, a single cell forms two new cells. This process is called mitosis. What is the reason that human skin cells frequently undergo mitosis? A) To replace dead or damaged skin cells. B) To prevent bruises on the body. C) To replace damaged nerve cells. D) To get energy for the cell. Show Answer Correct Answer: A) To replace dead or damaged skin cells. 32. To stay alive, a cell needs materials to move in and out across its membrane. As a cell grows bigger, its volume increases ..... than its surface area. At a certain point, the cell's volume would be ..... compared to the area available for materials to move in and out. A) Faster / too small. B) Faster / too large. C) Slower / too small. D) Slower / too large. Show Answer Correct Answer: B) Faster / too large. 33. What happens during interphase? A) The cells contents are replicated. B) The cells contents are destroyed. C) The cell explodes. D) The cell turns into candy. Show Answer Correct Answer: A) The cells contents are replicated. 34. The uncontrolled division of cells that results in malignant growth A) Cancer. B) Mitosis. C) Anaphase. D) Tissues. Show Answer Correct Answer: A) Cancer. 35. Which 2 stages have critical checkpoints during the cell cycle? A) G2 & M. B) G1 & S. C) S & M. D) G1 & G2. Show Answer Correct Answer: D) G1 & G2. 36. True or False:Mitosis occurs for all cells including sex cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. The formation of a cell plate is a characteristic of A) Cytokinesis in plant cells. B) Cytokinesis in animal cells. C) Both A and B. D) Neither A nor B. Show Answer Correct Answer: A) Cytokinesis in plant cells. 38. What is the phase of mitosis where the nuclear envelope reforms and the chromosomes decondense? A) Anaphase. B) Metaphase. C) Telophase. D) Prophase. Show Answer Correct Answer: C) Telophase. 39. Enzyme recombinase is required at which stage of meiosis? A) Diakinesis. B) Pachytene. C) Diplotene. D) Zygotene. Show Answer Correct Answer: B) Pachytene. 40. Attachment of spindle fibres to kinetochores of chromosomes becomes evident in A) Prophase. B) Anaphase. C) Telophase. D) Metaphase. Show Answer Correct Answer: D) Metaphase. 41. The division of a cell's nucleus and contents. A) Cell cycle. B) Interphase. C) Mitosis. D) Cytokinesis. Show Answer Correct Answer: C) Mitosis. 42. What is the first step of the Mitotic Phase? A) Mitosis. B) Telekinesis. C) Cytokinesis. D) Meiosis. Show Answer Correct Answer: A) Mitosis. 43. What is the purpose of cytokinesis in the cell cycle? A) The purpose of cytokinesis is to replicate the DNA in the cell. B) The purpose of cytokinesis is to regulate cell growth and division. C) The purpose of cytokinesis is to divide the cytoplasm of a cell into two daughter cells. D) The purpose of cytokinesis is to repair damaged organelles in the cell. Show Answer Correct Answer: C) The purpose of cytokinesis is to divide the cytoplasm of a cell into two daughter cells. 44. Statement P:Gametes are always formed by Meiosis Statement Q:Both Meiosis I and Meiosis II are reduction divisionsWhich of the above statement is true? A) P. B) Q. C) BOTH. D) NONE. Show Answer Correct Answer: D) NONE. 45. Humans have ..... chromosomes in their somatic cells. A) 21. B) 23. C) 46. D) None of the above. Show Answer Correct Answer: C) 46. 46. A repeating sequence of growth and division ..... A) Mitosis. B) Interphase. C) Somatic. D) Cell Cycle. Show Answer Correct Answer: D) Cell Cycle. 47. The results of the cell cycle are reproduction, growth, replacement and repair. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. Sister chromatids are A) Formed when chromatids separated during cell division. B) Found only when a cell is not actively dividing. C) Tightly linked together at the centromere. D) Made only of DNA. Show Answer Correct Answer: C) Tightly linked together at the centromere. 49. Which phase of the cell cycle involves cell growth and normal functions, as well as synthesis of proteins? A) S Phase. B) Prophase. C) G1 Phase. D) G2 Phase. Show Answer Correct Answer: C) G1 Phase. 50. What occurs during telophase? A) The nuclear envelopes reform around the chromatids. B) The spindle fibers elongate. C) The centromeres divide. D) The centrioles reach opposite poles. Show Answer Correct Answer: A) The nuclear envelopes reform around the chromatids. 51. During a biology class, Aiden and Emma are discussing cell division. They are trying to recall the part of cell division where the chromosomes line up. What is it called? A) Metaphase. B) Interphase. C) Chromatin. D) Prophase. Show Answer Correct Answer: A) Metaphase. 52. Mitotic phase in which daughter chromosomes reach spindle poles; nuclear envelope reforms around the two nuclei A) Metaphase. B) Telophase. C) Prophase. D) Anaphase. Show Answer Correct Answer: B) Telophase. 53. When a starfish grows a new body off a broken arm, what kind of reproduction is this? A) Sexual. B) Specialization. C) Asexual. D) Differentiation. Show Answer Correct Answer: C) Asexual. 54. Genetic recombination occurs in: A) Interphase. B) Mitosis. C) Meiosis-II. D) Meiosis-I. Show Answer Correct Answer: D) Meiosis-I. 55. Which of these cells never divides? A) Skin cell. B) Blood cell. C) Nerve cell. D) Liver cell. Show Answer Correct Answer: C) Nerve cell. 56. What is the structure of tightly packed DNA? A) Centromere. B) Chromosomes. C) Chromatids. D) Spindle fiber. Show Answer Correct Answer: B) Chromosomes. 57. Mitosis can be divided into stages- A) 6. B) 3. C) 5. D) 4. Show Answer Correct Answer: C) 5. 58. What is the visual representation of an individual's chromosomes arranged in a specific order? A) Chromatids. B) Centromere. C) Zygote. D) Karyotype. Show Answer Correct Answer: D) Karyotype. 59. After mitosis, the new cells have the ..... number of chromosomes as the original cell. A) Double. B) Triple. C) Half. D) Same. Show Answer Correct Answer: D) Same. 60. In a kind of cell division, the number of chromosomes gets halved. This kind of cell division occurs in: A) Testis only. B) Ovary only. C) Both testis and ovary. D) All body cells. Show Answer Correct Answer: C) Both testis and ovary. Next →Related QuizzesScience QuizzesClass 11 QuizzesClass 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books