This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A protein structure on the centromere that is the point of attachment between the mitotic spindle and the sister chromatids. A) Microtubule. B) Kinetochore. C) Centrosome. D) None of the above. Show Answer Correct Answer: B) Kinetochore. 2. The cell cycle consists of interphase, mitosis, and cytokinesis? True or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. How many chromosomes will a cell have at g2 phase of cell cycle, if it has 28 chromosomes in g1 phase? A) 14. B) 56. C) 28. D) None of these. Show Answer Correct Answer: C) 28. 4. What is the purpose the the cell cycle checkpoints? A) To repair damaged cells before they enter cell division. B) To remove damaged cells from an organism. C) All the above. D) None of the above. Show Answer Correct Answer: A) To repair damaged cells before they enter cell division. 5. At which point does the spindle fibre attaches itself to the metaphase chromosomes? A) Centromere. B) Anywhere on the chromosome. C) Kinetochore. D) Chromatid. Show Answer Correct Answer: C) Kinetochore. 6. The two main landmark stages of the cell cycle (G1, S Phase, G2, M Phase) are called A) S Phase and M Phase. B) Interphase and Anaphase. C) G2 and Cytokinesis. D) Cytokinesis and Mitosis. Show Answer Correct Answer: A) S Phase and M Phase. 7. Which of the following change occurs in interkinesis? A) DNA duplication. B) Centriole duplication. C) Very long phase. D) Chromosomes undergo complete dispersion. Show Answer Correct Answer: B) Centriole duplication. 8. The exchange of genetic material between chromatids and homologous chromosomes occurs during- A) Interphase. B) Mitosis and Meiosis. C) Prophase I. D) Anaphase I. Show Answer Correct Answer: C) Prophase I. 9. During anaphase I of meiosis A) Sister chromatids chromosomes separate. B) Non-homologous chromosomes separate. C) Homologous chromosomes separate. D) Non-sister chromatids chromosomes separate. Show Answer Correct Answer: C) Homologous chromosomes separate. 10. Which of the following get separated in anaphase I? A) More than one. B) Non-homologous chromosomes. C) Sister chromatids. D) Homologous chromosomes. Show Answer Correct Answer: D) Homologous chromosomes. 11. The two new cells that result from mitosisand cytokinesis A) Daddy cells. B) Sister cells. C) Nobody's cells. D) Daughter cells. E) Mother cells. Show Answer Correct Answer: D) Daughter cells. 12. Arrange the following events of meiosis in the correct sequence (i) crossing over(ii) synapsis(iii) terminalisation of chiasmata(iv) disappearance of nucleolus A) (ii), (i), (iv), (iii). B) (i), (ii), (iii), (iv). C) (ii), (iii), (iv), (i). D) (ii), (i), (iii), (iv). Show Answer Correct Answer: D) (ii), (i), (iii), (iv). 13. The causes of cancer may include which of the following? A) Environmental influences. B) UV radiation. C) Viruses. D) All of these. Show Answer Correct Answer: D) All of these. 14. What is the structure in which DNA, hereditary material that controls cell activities, can be found. A) Mitosis. B) Chromosome. C) Chromatids. D) Centromere. Show Answer Correct Answer: B) Chromosome. 15. Why must a cell copy all of its DNA and make sure each new cell gets exactly one copy? A) It isn't, DNA helps the cell organize but a few mistakes aren't a problem. B) Because DNA is the cell's instruction book, it can't do anything without it. C) It isn't, having too much DNA just means there is extra in case something breaks. D) None of the above. Show Answer Correct Answer: B) Because DNA is the cell's instruction book, it can't do anything without it. 16. Females contain ..... chromosomes and males contain ..... chromosomes A) XX, YY. B) XY, XX. C) XX, XY. D) YY, XX. Show Answer Correct Answer: C) XX, XY. 17. Crossing over takes place during? A) 4 stranded stage. B) 3 stranded stage. C) Two stranded stage. D) 1 stranded stage. Show Answer Correct Answer: C) Two stranded stage. 18. Which of the following is reduction division? A) Meiosis-I. B) Meiosis-II. C) Interphase. D) Mitosis. Show Answer Correct Answer: A) Meiosis-I. 19. At the end of the cell cycle, there are two genetically different cells. True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. What specific part of the chromosome do spindle fibers attach during cell division? A) Centromere. B) Centrioles. C) Kinetochore. D) Centrosome. Show Answer Correct Answer: C) Kinetochore. 21. A new organism is produced from one parent organism. A) Sexual Reproduction. B) Asexual Reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Asexual Reproduction. 22. In our Mitosis lab, what did the paper plates represent? A) Chromosomes. B) Cell. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chromosomes. 23. At what point in interphase are organelles copied? A) G1. B) S. C) In all stages. D) G2. Show Answer Correct Answer: C) In all stages. 24. The chromosomes that pair up during meiosis I are called ..... chromosomes. A) Asexual. B) Homologous pairs. C) Genes. D) Heterozygous. Show Answer Correct Answer: B) Homologous pairs. 25. Mitotic apparatus is formed of A) Centrosomes and phragmoplasts. B) Two asters with spindle fibres. C) Single aster with phragmoplast. D) Spindle fibres only. Show Answer Correct Answer: B) Two asters with spindle fibres. 26. Meiosis occurs in organisms during A) Sexual reproduction. B) Vegetative reproduction. C) Both sexual and vegetative reproduction. D) None of these. Show Answer Correct Answer: A) Sexual reproduction. 27. Meiosis in diploid results in A) Production of gametes. B) Reduction in the number of chromosomes. C) Introduction of variation. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. What is the longest stage of the cell cycle? A) Interphase. B) Mitosis. C) Cytokineses. D) None of the above. Show Answer Correct Answer: A) Interphase. 29. What is true about telophase stage of mitosis? A) Chromosomes lose their identity as discrete elements. B) Chromosomes cluster at opposite spindle poles. C) Nuclear envelope, nucleolus, golgi complex and ER reform. D) All of these. Show Answer Correct Answer: D) All of these. 30. Dna has sugar of ..... type A) Pentose. B) Ribulose. C) Hexose. D) Heptose. Show Answer Correct Answer: A) Pentose. 31. In which phase of mitosis do the spindle apparatus form and attach to the sides of a cell? A) Anaphase. B) S phase. C) Interphase. D) Prophase. Show Answer Correct Answer: D) Prophase. 32. The equator is in/on the ..... of the cell. A) Left. B) Bottom. C) Middle. D) Right. Show Answer Correct Answer: C) Middle. 33. During the interphase, our DNA is in its loose form called ..... A) Chromosome. B) Chromatin. C) Chromatid. D) Chromatin fiber. Show Answer Correct Answer: D) Chromatin fiber. 34. In a cell cycle where the cells are not entering the G0 stage, which will be the longest phase of cell cycle?(1) G1 (2) S(3)G2(4)M A) G1. B) G2. C) M. D) S. Show Answer Correct Answer: A) G1. 35. What would be the result if mitosis were NOT followed by cytokinesis? A) One cell without a nucleus. B) Two cells, each without a nucleus. C) One cell with two identical nuclei. D) Two cells, each with one nucleus. Show Answer Correct Answer: C) One cell with two identical nuclei. 36. Meiosis occurs in: A) Only testis. B) Only ovary. C) Both ovary and testis. D) All body cells. Show Answer Correct Answer: C) Both ovary and testis. 37. When does pairing/synapsis of homologous chromosomes ( bivalent formation ) occur in meiosis? A) Zygotene. B) Pachytene. C) Leptotene. D) Diplotene. Show Answer Correct Answer: A) Zygotene. 38. DNA is replicated during the ..... stage of Interphase. A) G2. B) S. C) G1. D) M. Show Answer Correct Answer: B) S. 39. How does the process of cytokinesis differ between plant and animal cells? A) Plant cells form a cell plate, animal cells form a cleavage furrow. B) Plant cells form a cleavage furrow, animal cells form a cell plate. C) Both form a cell plate. D) Both form a cleavage furrow. Show Answer Correct Answer: A) Plant cells form a cell plate, animal cells form a cleavage furrow. 40. Which enzyme is involved in the process of crossing-over of arms of non-sister chromatids of the homologous pair of chromosomes during prophase I of meiosis? A) Ligase. B) Recombinase. C) Nuclease. D) Phosphatase. Show Answer Correct Answer: B) Recombinase. 41. Starting of metaphase is marked by A) Complete disintegration of nuclear membrane. B) Disappear of ER, GB, Nucleolus and nuclear envelop. C) Initiation of condensation chromosomal material. D) Chromosomes align at the equatorial plate. Show Answer Correct Answer: A) Complete disintegration of nuclear membrane. 42. During which phase do spindle fibers begin to form? A) Telophase. B) Metaphase. C) Prophase. D) Anaphase. Show Answer Correct Answer: C) Prophase. 43. What are the life stages of a cell called? A) Cell plate. B) Mitosis. C) Cytokinesis. D) Cell cycle. Show Answer Correct Answer: D) Cell cycle. 44. DNA is replicated during ..... of the cell cycle. A) Gap 1. B) Gap 2. C) Gap 0. D) Synthesis (S phase). Show Answer Correct Answer: D) Synthesis (S phase). 45. Mitosis is made up of how many phases? A) 6. B) 4. C) 7. D) 5. Show Answer Correct Answer: B) 4. 46. During which phase do chromosomes line up along the equator of the cell? A) Telophase. B) Prophase. C) Metaphase. D) Anaphase. Show Answer Correct Answer: C) Metaphase. 47. In what stage do the chromosomes line up along the equator of the cell? A) Anaphae. B) Metaphase. C) Prophase. D) Interphase. Show Answer Correct Answer: B) Metaphase. 48. "Post office" of the cell that packages proteins and fats: A) Lysosome. B) Smooth ER. C) Golgi Apparatus. D) Rough ER. Show Answer Correct Answer: C) Golgi Apparatus. 49. Which of the following differentiates a normal cell from a cancer cell? A) Cancer cells are unable to synthesize DNA. B) Cancer cells continue to divide even when they are tightly packed together. C) Cancer cells have very short lifespan. D) Cancer cells are arrested at the S phase of the cell cycle. Show Answer Correct Answer: B) Cancer cells continue to divide even when they are tightly packed together. 50. Which is NOT a part of Mitosis? A) Telophase. B) Anaphase. C) Prophase. D) Interphase. Show Answer Correct Answer: D) Interphase. 51. Guanine and cytosine are the organic bases that can be found in DNA molecules. Name the bond that binds these two bases together. A) Phosphodiester bond. B) Hydrogen bond. C) Glycosidic bond. D) Ester bond. Show Answer Correct Answer: B) Hydrogen bond. 52. Undifferentiated cells that can become one or more specialized types of cell are called ..... A) Zygotes. B) Body Cells. C) Somatic Cells. D) Stem Cells. Show Answer Correct Answer: D) Stem Cells. 53. What is cytokinesis? A) This is when two cells merge together to make one giant cell. B) The stage in which DNA condenses into chromosomes. C) The stage where chromosomes migrate to the opposite ends of the cell. D) The stage of the cell cycle where the rest of the cell divides after mitosis is complete. Show Answer Correct Answer: D) The stage of the cell cycle where the rest of the cell divides after mitosis is complete. 54. Cells grow, carry out normal functions, and copy their organelles. A) M phase. B) S. C) G2. D) G1. Show Answer Correct Answer: D) G1. 55. What is the second phase of Mitosis? A) Anaphase. B) Metaphase. C) Prophase. D) None of the above. Show Answer Correct Answer: B) Metaphase. 56. Beaver muscle cells have 48 chromosomes. How many chromosomes would be found in a beaver egg cell? A) 96. B) 48. C) 12. D) 24. Show Answer Correct Answer: D) 24. 57. Gregor Mendel's "P" generation consisted of purple flower plants crossed with white flower plants. What were the results of this cross? A) All purple flower offspring. B) All white flower offspring. C) Some purple flowers and some white flowers. D) None of the above. Show Answer Correct Answer: A) All purple flower offspring. 58. What molecule blocks Cyclin E-CDK2? A) P52 via p21. B) Vitamin E. C) Zymogen. D) None of the above. Show Answer Correct Answer: A) P52 via p21. 59. The two sister chromatids in each chromosome separate from each other A) Metaphase. B) Anaphase. C) Anaphase. D) Prophase. Show Answer Correct Answer: B) Anaphase. 60. What is the main reason for a major injury to the brain or spinal cord having challenges with healing? A) Permanent resting phase. B) Overactive cell growth. C) Lack of blood supply. D) Excessive cell division. Show Answer Correct Answer: A) Permanent resting phase. ← 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 6Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 7Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books