This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 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) Organelle. B) Cell. C) Organ. D) Organism. Show Answer Correct Answer: B) 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) Move together with centromere. B) Arms trailing behind. C) Arms ahead of centromere. D) Arms remain at equator. Show Answer Correct Answer: B) 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-(ii); B-(i); C-(iv); D-(iii). B) A-(i); B-(ii); C-(iv); D-(iii). C) A-(iii); B-(i); C-(iv); D-(ii). D) A-(ii); B-(i); C-(iii); D-(iv). Show Answer Correct Answer: A) A-(ii); B-(i); C-(iv); D-(iii). 5. What happens in prophase of mitosis? A) The chromosomes become visible; nucleus disappear; spindles form. B) The chromosomes align in the middle of the cell. C) The sister chromatids separate. D) The chromosomes uncoil into chromatin; nucleus reappears; spindles disappear. Show Answer Correct Answer: A) The chromosomes become visible; nucleus disappear; spindles form. 6. Paring of homologous chromosomes in zygotene is A) Synapse. B) Synapsis. C) Crossing over. D) Terminalisation. Show Answer Correct Answer: B) 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 cell splits into 2 identical cells. B) The cell's nucleus divides. C) The DNA unwinds. D) The cell is preparing for mitosis. Show Answer Correct Answer: D) The cell is preparing for mitosis. 9. What is the longest stage of the cell cycle called? A) Cytokinesis. B) M phase. C) Interphase. D) G1 Phase. Show Answer Correct Answer: C) Interphase. 10. A duplicated chromosome is made of two A) Mitochondria. B) Nuclei. C) Sister chromatids. D) Cytokinesis. Show Answer Correct Answer: C) Sister chromatids. 11. How many gametes are produced at the end of meiosis II? A) 2. B) 3. C) 4. D) 8. Show Answer Correct Answer: C) 4. 12. Which phase of mitosis do chromosomes line up in the center of the cell? A) Prophase. B) Metaphase. C) Telophase. D) Anaphase. Show Answer Correct Answer: B) Metaphase. 13. 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. 14. An animal's sperm has 100 chromosomes. Its body cells have A) 50 chromosomes. B) 100 chromosomes. C) 200 chromosomes. D) 1000 chromosomes. Show Answer Correct Answer: C) 200 chromosomes. 15. In the word homosapien, the stem "homo" means A) Same. B) Different. C) Always. D) Many. Show Answer Correct Answer: A) Same. 16. 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. 17. What part of the cell cycle results in the splitting of the new cells? A) Interphase. B) Mitosis. C) Metaphase. D) Cytokinesis. Show Answer Correct Answer: D) Cytokinesis. 18. 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. 19. What structure attaches sister chromatids together? A) Spindle fiber. B) Chromatin. C) Centriole. D) Centromere. Show Answer Correct Answer: D) Centromere. 20. What can the cell cycle also be called? A) Cell growth. B) DNA Replication. C) Preparation for Mitosis. D) Cell Division. Show Answer Correct Answer: D) Cell Division. 21. The nuclear membrane breaks down occurs during which stage? A) Interphase. B) Metaphase. C) Prophase. D) Telophase. Show Answer Correct Answer: C) Prophase. 22. What is the chromosome number of the daughter cells produced by meiosis II? A) 2n. B) N. C) 4n. D) 2. Show Answer Correct Answer: B) N. 23. 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 different due to meiosis. C) It is mostly the same with slight changes. D) It is better than the parent DNA. Show Answer Correct Answer: A) It is exactly the same. 24. What happens in cytokinesis? A) The cell fully splits into two cells. B) The cell digests its extra DNA. C) The cell prepares for mitosis. D) There are eight important checkpoints there. Show Answer Correct Answer: A) The cell fully splits into two cells. 25. A benign tumor differs from a malignant tumor in that a benign tumor A) Is cancerous. B) Spreads from the original site. C) Does not metastisize. D) Never causes health problems. Show Answer Correct Answer: C) Does not metastisize. 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