This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 67 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What causes the guard cells to become flaccid at night? A) High water content in guard cell vacuoles. B) Swelling of vacuoles with extra water. C) Little water in guard cell vacuoles. D) Turgid guard cells bending and pulling apart. Show Answer Correct Answer: C) Little water in guard cell vacuoles. 2. What is the fourth stage of mitosis and cell division? A) Anaphase. B) Prophase. C) Interphase. D) None of the above. Show Answer Correct Answer: A) Anaphase. 3. What is the primary purpose of the G1 phase in the cell cycle? A) Cell growth and preparation for DNA replication. B) DNA replication. C) Separation of sister chromatids. D) Cytokinesis. Show Answer Correct Answer: A) Cell growth and preparation for DNA replication. 4. Substage of interphase in which the cell prepares for nuclear division and a protein that makes microtubules for cell division is synthesized A) Interphase. B) G1. C) Synthesis. D) G2. Show Answer Correct Answer: D) G2. 5. What is the final stage of the cell cycle? A) Prophase. B) Interphase. C) Mitosis. D) Cytokinesis. Show Answer Correct Answer: D) Cytokinesis. 6. What does NOT happen during interphase? A) Growth. B) DNA replication. C) Obtaining nutrients. D) Cell divison. Show Answer Correct Answer: D) Cell divison. 7. Polymerase builds the DNA inward A) Leading strand. B) Lagging strand. C) All the above. D) None of the above. Show Answer Correct Answer: A) Leading strand. 8. What happens to the original cell after the cell cycle? A) It remains. B) It disappears. C) All the above. D) None of the above. Show Answer Correct Answer: B) It disappears. 9. A protein called p53 can keep cells from dividing. To prevent cell division, this protein most likely stops A) Respiration. B) Mutation. C) Mitosis. D) Osmosis. Show Answer Correct Answer: C) Mitosis. 10. During Anaphase what are separated? A) Spindle Fibers. B) Sister Chromatids. C) Telomeres. D) Chromosomes. Show Answer Correct Answer: B) Sister Chromatids. 11. Spindle fibers attach, centrioles line chromosomes in the center of the cell describes: A) Prophase. B) Telophase. C) Metaphase. D) Anaphase. Show Answer Correct Answer: C) Metaphase. 12. Mitosis is the division of the (a) A) A. nucleus. B) Cytoplasm. C) All the above. D) None of the above. Show Answer Correct Answer: A) A. nucleus. 13. At which stage of mitosis, the two daughter chromatids separate from each other, migrate towards the opposite poles and are now referred to as chromosomes of the future daughter nuclei? A) Prophase. B) Metaphase. C) Anaphase. D) Telophase. Show Answer Correct Answer: C) Anaphase. 14. In this phase, the cell is preparing for the cell division in the mitotic stage. A) Go. B) G1. C) G2. D) S. Show Answer Correct Answer: C) G2. 15. What is the main function of the protein Cdk in the cell cycle? A) Initiating apoptosis. B) Negative regulation. C) Positive regulation. D) Cell communication. Show Answer Correct Answer: C) Positive regulation. 16. Before cells can divide, what must be copied? A) Mitochondria. B) Cytoplasm. C) DNA. D) Cell Wall. Show Answer Correct Answer: C) DNA. 17. A mass of rapidly, growing abnormal cells is called a (an) A) Tumor. B) Organ. C) Chromatid. D) DNA. Show Answer Correct Answer: A) Tumor. 18. There are 7 chromosomes in each cell and 2C DNA after M-phase in a plant. Find out the correct match in the following table. Stage Chromosome No. DNA contentA. G$_{1 }$7 2CB. S 14 4C C. G$_{2 }$7 4CD. M 7 2C A) A and B are correct. B) A, B and D are correct. C) A, C and D are correct. D) B, C and D are correct. Show Answer Correct Answer: C) A, C and D are correct. 19. The phase responsible for cell growth and normal cell functions. A) Gap 1. B) Synthesis. C) Gap 2. D) Mitosis. Show Answer Correct Answer: A) Gap 1. 20. Centromere is concerned with: A) Duplication of DNA. B) Formation of spindle fibers. C) Splitting of chromosomes. D) Replication of DNA. Show Answer Correct Answer: C) Splitting of chromosomes. 21. Which of the following features of cell division are very different for animal and plant cells? A) Telophase. B) Metaphase. C) Anaphase. D) Cytokinesis. E) Prophase. Show Answer Correct Answer: D) Cytokinesis. 22. Prokaryotic cells divide by a simple process known as A) Mitosis. B) Binary fusion. C) Binary fission. D) Cytokinesis. Show Answer Correct Answer: C) Binary fission. 23. Events in the life of a cell that results in growth, duplication of DNA in order to produce new cells A) Metaphase. B) Diploid. C) Cell cycle. D) Interphase. Show Answer Correct Answer: C) Cell cycle. 24. Significance of meiosis lies in A) Production of genetic variability. B) Maintaining constancy of chromosome number during esexual reproduction. C) Reduction of chromosome number to one half. D) All the above. Show Answer Correct Answer: D) All the above. 25. Which of the following cannot be found during a study of cell cycle? A) Diploid cells found in the G$_{0}$ or G$_{1}$ phase. B) Cells with twice the normal DNA content in the early M phase. C) Cells with chromosome number doubled in the S phase. D) Cells with twice the normal DNA content in the G$_{2}$ phase. Show Answer Correct Answer: C) Cells with chromosome number doubled in the S phase. ← 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