This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Uncontrolled cell growth (checkpoints not working properly) can lead to ..... A) Obesity. B) Cancer. C) Diabetes. D) Hepatitis. Show Answer Correct Answer: B) Cancer. 2. The cell cycle is responsible for: A) A caterpillar that changes into a butterfly. B) A seal that is swimming through icy water. C) A maple tree that is losing its leaves in autumn. D) All of the above. Show Answer Correct Answer: A) A caterpillar that changes into a butterfly. 3. What does cytokinesis refer to? A) Division of the cytoplasm. B) Replication of DNA. C) Formation of the cell wall. D) Synthesis of proteins. Show Answer Correct Answer: A) Division of the cytoplasm. 4. How many chromosomes does a human cell have? A) 24. B) 64. C) 42. D) 46. Show Answer Correct Answer: D) 46. 5. What is the role of the centrosome during prophase? A) To move to opposite poles. B) To form the nuclear envelope. C) To duplicate DNA. D) To condense chromosomes. Show Answer Correct Answer: A) To move to opposite poles. 6. Identify the correct statement with regard to G$_{1}$-phase (Gap 1) of interphase. A) Reorganisation of all cell components, takes place. B) Cell is metabolically active, grows but does not replicate its DNA. C) Nuclear division takes place. D) DNA synthesis or replication takes place. Show Answer Correct Answer: B) Cell is metabolically active, grows but does not replicate its DNA. 7. Consider the following statement-S-I-In secondary oocyte amount of DNA is 2cS-II-In First polar body amount of DNA is 4cMark the correct option A) Only S-I is correct. B) Only S-II is correct. C) Both S-I and S-II are correct. D) Both S-I and S-II are wrong. Show Answer Correct Answer: A) Only S-I is correct. 8. In which phase does the cell spend most of it's life? A) Interphase. B) Telophase. C) Mitosis. D) Nuclear Division. Show Answer Correct Answer: A) Interphase. 9. Which is a function of cyclins? A) Cyclins are carbohydrates that regulate DNA replication during the mitosis phase of the cell cycle. B) Cyclins are glycoproteins that repair DNA in the beginning of cell cycle. C) Cyclins are proteins that regulate when and how often a cell divides. D) None of the above. Show Answer Correct Answer: C) Cyclins are proteins that regulate when and how often a cell divides. 10. Which of the following is not a function of xylem? A) Mechanical support. B) Conduction of water and mineral salts. C) Transport of water from leaves to roots. D) Much of xylem is non-living. Show Answer Correct Answer: C) Transport of water from leaves to roots. 11. Human eggs and sperm are ..... , and each has ..... chromosomes. A) Diploid, 46. B) Haploid, 46. C) Haploid, 23. D) Diploid, 23. Show Answer Correct Answer: C) Haploid, 23. 12. What is the term for the division of the cytoplasm? A) Cytokinesis. B) Interphase. C) Mitosis. D) Karyokinesis. Show Answer Correct Answer: A) Cytokinesis. 13. What are the two identical strands of DNA that make up a duplicated chromosome called? A) Daughter cells. B) Centromeres. C) Sister chromatids. D) Fibers. Show Answer Correct Answer: C) Sister chromatids. 14. What is the main difference between mitosis and meiosis? A) Meiosis involves two divisions. B) Meiosis is faster than mitosis. C) Mitosis results in haploid cells. D) Mitosis occurs only in plants. Show Answer Correct Answer: A) Meiosis involves two divisions. 15. Karyokinesis refers to: A) Division of nucleus. B) Disappearance of nucleolus. C) Division of cytoplasm. D) Synthesis of proteins. Show Answer Correct Answer: A) Division of nucleus. 16. Which type of cells undergo mitosis? A) Red blood cells. B) Sex cells. C) Body cells. D) Bacteria cells. Show Answer Correct Answer: C) Body cells. 17. The protein DNA wraps itself around A) Histones. B) Enzymes. C) Telomeres. D) Centromeres. Show Answer Correct Answer: A) Histones. 18. Cell would normally proceed to mitosis without interruption A) Once it has entered the S phase. B) Once it has entered the G$_{2}$ phase. C) At any time during cell division activity. D) None of these. Show Answer Correct Answer: A) Once it has entered the S phase. 19. Best material for studying mitosis in laboratory is A) Gamete. B) Leaf tip. C) Root tip. D) Flower. Show Answer Correct Answer: C) Root tip. 20. Which protein is involved in the G1 to S transition checkpoint in the mitotic cell cycle? A) Phosphatases. B) Phosphorylases. C) Cyclins. D) Kinases. Show Answer Correct Answer: C) Cyclins. 21. What occurs during G1 phase? A) Checkpoint after S phase. B) The cell grows and develops. C) Chromosomes line up at the equator. D) Spindle fibers separate chromosomes to opposite poles of the cel. Show Answer Correct Answer: B) The cell grows and develops. 22. In which stage the cell is said to have exited cell cycle? A) M Phase. B) G0 Phase. C) G1 Phase. D) G2 Phase. Show Answer Correct Answer: B) G0 Phase. 23. Polymerase builds DNA outward A) Leading strand. B) Lagging strand. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lagging strand. 24. If a tissue at a given time has 1024 cells, how many cycles of mitosis had the original parental single cell undergone? A) 10. B) 1024. C) 512. D) 256. Show Answer Correct Answer: A) 10. 25. WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING A) BODY CELLS. B) MITOSIS. C) EGG. D) SPERM. E) EGG AND SPERM. Show Answer Correct Answer: E) EGG AND SPERM. 26. Quiescent stage (G0) is characterized by: A) Cells dividing rapidly. B) Cells actively differentiating. C) Cells exiting cell cycle and not dividing. D) Cells undergoing DNA replication. Show Answer Correct Answer: C) Cells exiting cell cycle and not dividing. 27. Cell grows to full size and preforms it's visual function A) M. B) S. C) G1. D) G0. E) G2. Show Answer Correct Answer: C) G1. 28. Chromosomes uncoil back into chromatin A) Anaphase. B) Metaphase. C) Telophase. D) Prophase. Show Answer Correct Answer: C) Telophase. 29. In the G2 stage of cell division, ..... are made. A) Organelles. B) Structures for cell division. C) Proteins. D) All of the above. Show Answer Correct Answer: D) All of the above. 30. If gametes are produced after reduction division, they are termed as A) Mitogametes. B) Pseudogametes. C) Meiogametes. D) Coenogametes. Show Answer Correct Answer: C) Meiogametes. 31. What stage of the cell cycle involves the cell not growing or preparing for division A) G0. B) G-TD. C) G1. D) G2. Show Answer Correct Answer: A) G0. 32. Spindle fibers disappear, chromosomes unwind, nuclear envelope appears A) Anaphase. B) Prophase. C) Metaphase. D) Telophase. Show Answer Correct Answer: D) Telophase. 33. During karyokinesis, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as A) Kinetochore. B) Chromomere. C) Chromocentre. D) Centriole. Show Answer Correct Answer: A) Kinetochore. 34. How do mitosis and meiosis differ? A) Mitosis produces genetically identical cells, while meiosis produces genetically diverse cells. B) Mitosis produces haploid cells, while meiosis produces diploid cells. C) Mitosis involves two rounds of cell division, while meiosis involves one round. D) Mitosis only occurs in somatic cells, while meiosis only occurs in gametes. Show Answer Correct Answer: A) Mitosis produces genetically identical cells, while meiosis produces genetically diverse cells. 35. Hannah and Charlotte are studying biology together. They come across a diagram of a chromosome split into two identical parts. They wonder what these identical parts are called. What should Ethan, who is helping them study, tell them? A) Daughter Chromatids. B) Sister Chromatids. C) Brother Chromatids. D) Twin Chromatids. Show Answer Correct Answer: B) Sister Chromatids. 36. What are white blood cells primarily involved in? A) Blood clotting. B) Immune response. C) Digestion. D) Oxygen transport. Show Answer Correct Answer: B) Immune response. 37. Cell grow and perform normal functions A) G1 Phase. B) S Phase. C) Interphase. D) G2 Phase. Show Answer Correct Answer: A) G1 Phase. 38. Synaptonemal complex is more conspicious at A) Diplotene. B) Pachytene. C) Leptotene. D) Zygotene. Show Answer Correct Answer: B) Pachytene. 39. Cell division produces new cells that repair some kids of damage to the body. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 40. After mitosis, a female human cell will have: A) 22 + Y chromosomes. B) 22 + X chromosomes. C) 44 + XY chromosomes. D) 44 + XX chromosomes. Show Answer Correct Answer: D) 44 + XX chromosomes. 41. Which of the following serves as mitotic spindle poison? A) Ca 2+. B) Mg 2+. C) Colchinine. D) Tubulin. Show Answer Correct Answer: C) Colchinine. 42. Which is not characteristic of meiosis A) Two stage of DNA replication, first before meiosis I and Second before meiosis II. B) Recombination and crossing over. C) Sister chromatids separate during anaphase II. D) Nuclear membrane disappears towards the end of Prophase. Show Answer Correct Answer: A) Two stage of DNA replication, first before meiosis I and Second before meiosis II. 43. The process of a cells growth, development, and division A) Eukaryotic. B) Sister chromatids. C) Cytokinesis. D) Cell cycle. Show Answer Correct Answer: D) Cell cycle. 44. The cell spends most of it's life in ..... A) Mitosis. B) Cytokinesis. C) Interphase. D) None of the above. Show Answer Correct Answer: C) Interphase. 45. Which of the following lists the phases of Interphase in the correct order? A) G1, G2, S. B) M, S, G1. C) G1, S, G2. D) S, G1, G2. Show Answer Correct Answer: C) G1, S, G2. 46. Abigail is studying cell division and wants to know how many stages are in mitosis. Can you help her? A) 3. B) 1. C) 2. D) 4. Show Answer Correct Answer: D) 4. 47. What part of a cell makes up the volume? A) Plasma membrane. B) Nucleus. C) Cytoplasm/organelles. D) Ribosomes. Show Answer Correct Answer: C) Cytoplasm/organelles. 48. Match column I with column II and select the correct option from the given codes. Column I Column IIA . Disintegration of (i) Anaphase nuclear membraneB. Appearance (ii) Prophase of nucleolusC. Division of (iii) Telophase centromereD. Replication (iv) S-phase of DNA A) A-(iii), B-(ii), C-(iv), D-(i). B) A-(ii), B-(iii), C-(iv), D-(i). C) A-(iii), B-(ii), C-(i), D-(iv). D) A-(ii), B-(iii), C-(i), D-(iv). Show Answer Correct Answer: D) A-(ii), B-(iii), C-(i), D-(iv). 49. Which of the following statements is NOT true concerning the cell cycle? A) There are checkpoints that regulate the cell processes. B) DNA replication takes place in the S phase of interphase. C) During prophase, the chromosomes are pulled to opposite poles of the cell. D) During cytokinesis, the cell membrane and cytoplasm begins to pinch in half. Show Answer Correct Answer: C) During prophase, the chromosomes are pulled to opposite poles of the cell. 50. What happens during S phase of the cell cycle? A) The cell grows. B) Nuclear division. C) DNA replication. D) Division of the cytoplasm. Show Answer Correct Answer: C) DNA replication. 51. Identify the wrong statement about meiosis A) Four haploid cells are formed. B) At the end meiosis number chromosomes are reduced to half. C) Paring of homologous chromosomes. D) Two cycles of DNA replication occur. Show Answer Correct Answer: D) Two cycles of DNA replication occur. 52. -Ensures chromosomes are lined up correctly along metaphase plate-Ensures that chromosomes will be divided properly during anaphase A) G1 checkpoint. B) M checkpoint. C) G2 checkpoint. D) None of the above. Show Answer Correct Answer: B) M checkpoint. 53. What is the outcome of meiosis in terms of chromosome number in daughter cells? A) Daughter cells have the same number of chromosomes as the parent cell. B) Daughter cells have twice the number of chromosomes as the parent cell. C) Daughter cells have no chromosomes. D) Daughter cells have half the number of chromosomes as the parent cell. Show Answer Correct Answer: D) Daughter cells have half the number of chromosomes as the parent cell. 54. At specific checkpoints along the Cell Cycle, what protein can be released to promote division/continue the Cell cycle? A) Histone. B) Kinetochore. C) ATP Synthase. D) Cyclin. Show Answer Correct Answer: D) Cyclin. 55. What is the name of the Scientist to study mitosis and give it its name? A) John Jacob Aster. B) Carl Chromatin. C) Milton Mitos. D) Walther Flemming. Show Answer Correct Answer: D) Walther Flemming. 56. Which of the following correctly describes the process of cytokinesis in plant cells? A) Chromosomes align at the cell's equator. B) Nuclear envelope breaks down. C) Formation of a cell plate. D) Formation of a cleavage furrow. Show Answer Correct Answer: C) Formation of a cell plate. 57. Matt uses a microscope to look at slides of plant cells. He sees a cell with two nuclei that have visible chromosomes. In which stage of cell division is this cell? A) Telophase. B) Anaphase. C) Prophase. D) Interphase. Show Answer Correct Answer: A) Telophase. 58. MALE GAMETE IS KNOWN AS A) EGG. B) SPERM. C) All the above. D) None of the above. Show Answer Correct Answer: B) SPERM. 59. What is the last stage of mitosis and cell division? A) Cytokinesis. B) Metaphase. C) Telophase. D) None of the above. Show Answer Correct Answer: A) Cytokinesis. 60. Which of the following is a significance of meiosis? A) Restore karyocytoplasmic ratio. B) Growth. C) Repair. D) Variation. Show Answer Correct Answer: D) Variation. ← 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 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