This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The period during the cell cycle of a cell's growth and development A) Interphase. B) Prophase. C) Metaphase. D) Anaphase. Show Answer Correct Answer: A) Interphase. 2. Checks for growth errors A) G1 checkpoint (checks after G1). B) G2 (after G2-phase) checkpoint. C) Mitosis checkpoint (before cytokinesis). D) None of the above. Show Answer Correct Answer: A) G1 checkpoint (checks after G1). 3. At which of the following stages, the chromosomes appear single, thin and thread like? A) Leptotene. B) Zygotene. C) Pachytene. D) Diplotene. Show Answer Correct Answer: A) Leptotene. 4. What is the shape of a chromosome when it is visible under a light microscope during cell division? A) I-shaped. B) S-shaped. C) X-shaped. D) O-shaped. Show Answer Correct Answer: C) X-shaped. 5. The amount of DNA in a cell is measured right after mitosis and found to be 8 picograms. How many picograms of DNA would be found in a nucleus in the G2 phase? A) 4. B) 8. C) 16. D) 24. Show Answer Correct Answer: C) 16. 6. How long do red blood cells (RBCs) typically live for? A) 2 months. B) 4 months. C) 6 months. D) 1 year. Show Answer Correct Answer: B) 4 months. 7. Consider the following statement-S-I-Amount of DNA in haploid cell is c S-II-Amount of DNA in Diploid cell in G1 is 2cS-II-Amount of DNA in Diploid cell in G2 is 4cMark the correct option- A) ALL. B) I AND II. C) ONLY III. D) NONE. Show Answer Correct Answer: A) ALL. 8. During cell growth, DNA synthesis takes place in:- A) G2 phase. B) M phase. C) S phase. D) G1 phase. Show Answer Correct Answer: C) S phase. 9. What part of a cell makes up the surface area? A) Plasma membrane. B) Cytoplasm/organelles. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: A) Plasma membrane. 10. TRUE OR FALSE:Cell growth and production of new organelles and enzymes are characteristics of prophase. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Cytokinesis usually occurs after mitosis. If a cell completed mitosis but not cytokinesis, what would be the result? A) A cell with one nucleus. B) A cell with one really large nucleus. C) A cell with two nuclei. D) None of these are correct. Show Answer Correct Answer: C) A cell with two nuclei. 12. Uncontrolled cell growth (checkpoints not working properly) can lead to ..... A) Obesity. B) Cancer. C) Diabetes. D) Hepatitis. Show Answer Correct Answer: B) Cancer. 13. 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. 14. 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. 15. How many chromosomes does a human cell have? A) 42. B) 46. C) 24. D) 64. Show Answer Correct Answer: B) 46. 16. What is the role of the centrosome during prophase? A) To form the nuclear envelope. B) To move to opposite poles. C) To duplicate DNA. D) To condense chromosomes. Show Answer Correct Answer: B) To move to opposite poles. 17. 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. 18. 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. 19. In which phase does the cell spend most of it's life? A) Interphase. B) Nuclear Division. C) Telophase. D) Mitosis. Show Answer Correct Answer: A) Interphase. 20. 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. 21. 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. 22. Human eggs and sperm are ..... , and each has ..... chromosomes. A) Diploid, 23. B) Diploid, 46. C) Haploid, 23. D) Haploid, 46. Show Answer Correct Answer: C) Haploid, 23. 23. What is the term for the division of the cytoplasm? A) Interphase. B) Karyokinesis. C) Cytokinesis. D) Mitosis. Show Answer Correct Answer: C) Cytokinesis. 24. What are the two identical strands of DNA that make up a duplicated chromosome called? A) Centromeres. B) Sister chromatids. C) Daughter cells. D) Fibers. Show Answer Correct Answer: B) Sister chromatids. 25. What is the main difference between mitosis and meiosis? A) Meiosis is faster than mitosis. B) Mitosis results in haploid cells. C) Mitosis occurs only in plants. D) Meiosis involves two divisions. Show Answer Correct Answer: D) Meiosis involves two divisions. ← 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