This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 21 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How are the centromere and telomere different? A) The centromere is the center of the chromosome, the telomeres are the ends. B) The telomere is larger than the centromere. C) The centromere is at the ends of the chromosomes, the telomere is at the center. D) The centromere is larger than the telomere. Show Answer Correct Answer: A) The centromere is the center of the chromosome, the telomeres are the ends. 2. What is the result of crossing-over between homologous chromosomes? A) It prevents the formation of gametes. B) It creates completely new chromosomes with mixed genetic information. C) It decreases genetic variation. D) It creates identical new chromosomes. Show Answer Correct Answer: B) It creates completely new chromosomes with mixed genetic information. 3. What is cytokinesis in cell division? A) Division of the nucleus. B) Division of the cell membrane. C) Division of the chromosomes. D) Division of the cytoplasm. Show Answer Correct Answer: D) Division of the cytoplasm. 4. Select the incorrect statement regarding S phase of interphase. A) It occurs between G$_{1}$ and G$_{2}$. B) DNA replicates in the nucleus in this phase. C) Centrioles duplicate in the cytoplasm. D) As DNA is doubled, number of chromosomes also get doubles. Show Answer Correct Answer: D) As DNA is doubled, number of chromosomes also get doubles. 5. Which of the following is a phase in the cell cycle? A) G1. B) M. C) G2. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. During which phase of meiosis do the homologous pairs of chromosomes separate? A) During telophase. B) During interphase. C) By the end of meiosis II. D) By the end of meiosis I. Show Answer Correct Answer: D) By the end of meiosis I. 7. During what phase of mitosis does the nuclear membrane disintegrate? A) Anaphase. B) Prophase. C) Metaphase. D) Telophase. Show Answer Correct Answer: B) Prophase. 8. What is the term for the entire process of cell division, including mitosis and cytokinesis? A) Cell Division. B) Cell Cycle. C) Mitosis. D) Cytokinesis. Show Answer Correct Answer: B) Cell Cycle. 9. During which portion of interphase are copies of organelles made? A) G$_{1}$. B) G$_{2}$. C) Telophase. D) S. Show Answer Correct Answer: B) G$_{2}$. 10. During which stage of meiotic cell division formation of synaptonemal complex occurs? A) Leptotene. B) Pachytene. C) Diplotene. D) Zygotene. Show Answer Correct Answer: D) Zygotene. 11. Radiation is often used for cancer therapy because it can trigger ..... A) Apoptosis. B) The immune system. C) Cells to skip the cell cycle. D) Further cell mutation. Show Answer Correct Answer: A) Apoptosis. 12. What is the third stage of mitosis and cell division? A) Metaphase. B) Anaphase. C) Prophase. D) None of the above. Show Answer Correct Answer: A) Metaphase. 13. Which of the following shows zygotic meiosis A) Angiosperm. B) Bryophytes. C) Most of algae. D) Pteridophytes. Show Answer Correct Answer: C) Most of algae. 14. What is the main difference between mitosis and meiosis in terms of the number of daughter cells produced? A) Mitosis produces 4 cells, meiosis produces 2 cells. B) Mitosis produces 2 cells, meiosis produces 4 cells. C) Both produce 4 cells. D) Both produce 2 cells. Show Answer Correct Answer: B) Mitosis produces 2 cells, meiosis produces 4 cells. 15. What stage of the cell cycle follows S phase? A) M. B) G2. C) G1. D) Cytokinesis. Show Answer Correct Answer: B) G2. 16. In which type of cells will mitosis occur? A) Jail cells. B) Egg cells. C) Germ cells. D) Somatic cells (body cells). Show Answer Correct Answer: D) Somatic cells (body cells). 17. Cytokinesis in an animal cell takes place by ..... method in ..... direction; while in a plant cell it occurs by ..... method in ..... direction. A) Furrowing, centripetal, cell plate, centrifugal. B) Furrowing, centrifugal, cell plate, centripetal. C) Cell plate, centripetal, furrowing, centrifugal. D) Cell plate, centrifugal, furrowing, centripetal. Show Answer Correct Answer: A) Furrowing, centripetal, cell plate, centrifugal. 18. DNA replication occurs- A) Before mitosis and meiosis. B) Only before mitosis. C) Only before meiosis. D) During chromosomal condensation in G2-phase. Show Answer Correct Answer: A) Before mitosis and meiosis. 19. Arrange the following levels of hierarchy from LARGEST to SMALLEST A) Cell, Tissue, Organ, Organism. B) Organism, Organ, Tissue, Cell. C) Tissue, Cell, Organ, Organism. D) Organism, Cell, Tissue, Organ. Show Answer Correct Answer: B) Organism, Organ, Tissue, Cell. 20. Select the correct statement about G$_{1}$ phase. A) Cell is metabolically inactive. B) DNA in the cell does not replicate. C) It is not a phase of synthesis of macromolecules. D) Cell stops growing. Show Answer Correct Answer: B) DNA in the cell does not replicate. 21. Unlike mitosis, meiosis in male mammals results in the formation of A) Four haploid gametes. B) Three diploid gametes. C) One haploid gamete. D) Four diploid gametes. Show Answer Correct Answer: A) Four haploid gametes. 22. Why is DNA important A) It makes energy. B) It is responsible for making food. C) It stores wastes. D) It provides the instructions/blueprint for a cell. Show Answer Correct Answer: D) It provides the instructions/blueprint for a cell. 23. Uncontrolled cell division results in what? A) Cell growth. B) Cell death. C) Tumors/cancer. D) None of these. Show Answer Correct Answer: C) Tumors/cancer. 24. Which cell cycle is in the correct order A) S, G1, G2, M. B) G2, G1, S, M. C) G1, S, G2, M. D) M, S, G2, G1. Show Answer Correct Answer: C) G1, S, G2, M. 25. What is the final stage of the cell cycle, where the cytoplasm divides and two daughter cells are formed? A) Interphase. B) Mitosis. C) Cytokinesis. D) Meiosis. Show Answer Correct Answer: C) Cytokinesis. 26. Which of the following Cell cycle descriptions is CORRECT? A) Chromosomes are replicated during the G1 phase. B) The S phase consists of prophase, metaphase, anaphase, and telophase. C) Interphase is when the cell spends most of its time performing its cell functions. D) None of the above. Show Answer Correct Answer: C) Interphase is when the cell spends most of its time performing its cell functions. 27. Centrioles form ..... during Prophase A) Chromatin. B) Chromosomes. C) Spindle Fibers. D) Sister Chromatids. Show Answer Correct Answer: C) Spindle Fibers. 28. During meiosis, the number of chromosomes is reduced by ..... A) Four. B) Two. C) Half. D) Same. Show Answer Correct Answer: C) Half. 29. No. of chromosomes, Meiosis maintains A) 4N. B) Same. C) 6N. D) 2N. Show Answer Correct Answer: B) Same. 30. What is the primary role of the centromere during cell division? A) To assist in the formation of the nuclear membrane. B) To regulate the cell cycle. C) To facilitate DNA replication. D) To hold sister chromatids together. Show Answer Correct Answer: D) To hold sister chromatids together. 31. What is produced at the end of Interphase A) 2 daughter cells. B) 2 sister chromatids. C) 2 full sets of chromosomes. D) 2 identical cells. Show Answer Correct Answer: C) 2 full sets of chromosomes. 32. A single sugar is referred to as a A) Monosaccharide. B) Disaccharide. C) Polysaccharide. D) None of the above. Show Answer Correct Answer: A) Monosaccharide. 33. DNA Condenses; spindle fibers begin to form A) Metaphase. B) Prophase. C) Anaphase. D) Telophase. Show Answer Correct Answer: B) Prophase. 34. The majority of the life of a cell is spent in ..... A) Metaphase. B) Telophase. C) Prophase. D) Interphase. Show Answer Correct Answer: D) Interphase. 35. Name the phase which comes after mitotic phase. A) S phase. B) M phase. C) G2 phase. D) G1 phase. Show Answer Correct Answer: D) G1 phase. 36. Cells go through meiosis to create cells for ..... A) Growth. B) Repair of damaged cells. C) Asexual reproduction. D) Sexual reproduction. Show Answer Correct Answer: D) Sexual reproduction. 37. DNA replicates (very long process) A) M. B) S. C) G0. D) G1. E) G2. Show Answer Correct Answer: B) S. 38. What is the term for the resting phase where cells are still performing cell functions but not preparing to divide? A) G2 phase. B) G1 phase. C) G0 phase. D) M phase. Show Answer Correct Answer: C) G0 phase. 39. ..... is a series of events a cell goes through as they grow and divide? A) Cytokinesis. B) Cell Cycle. C) Mitosis. D) Cell Division. Show Answer Correct Answer: B) Cell Cycle. 40. What is the importance of cell division? A) To decrease cell number. B) To stop cell growth. C) To replace damaged cells. D) To increase cell size. Show Answer Correct Answer: C) To replace damaged cells. 41. Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G$_{0}$ ). This process occurs at the end of A) G$_{1}$-phase. B) M-phase. C) S-phase. D) G$_{2}$-phase. Show Answer Correct Answer: B) M-phase. 42. Percent time of the cell cycle is constituted by- A) S. B) M. C) G2. D) G1. Show Answer Correct Answer: C) G2. 43. Which is an example of a tumor suppressor gene? A) P53. B) Oncogenes. C) Proto-oncogenes. D) Apoptosis. Show Answer Correct Answer: A) P53. 44. Checks for cell size, nutrients, growth factors, and DNA damage. A) Spindle checkpoint. B) DNA polymerase. C) G2 checkpoint. D) G1 checkpoint. Show Answer Correct Answer: D) G1 checkpoint. 45. At metaphase of mitosis, each chromosome consists of ..... chromatid(s) ..... centromere(s) ..... kinetochore(s) and ..... molecules of DNA- A) 2, 2, 2, 2. B) 2, 1, 2, 2. C) 2, 1, 2, 1. D) 2, 1, 1, 1. Show Answer Correct Answer: B) 2, 1, 2, 2. 46. Which cell structure produces the spindle fibers? A) Chromatids. B) Ribosomes. C) Centromeres. D) Centrioles. Show Answer Correct Answer: D) Centrioles. 47. WHAT ARE THE EXAMPLES OF PURINE BASES FROM THE FOLLOWING? A) ADENINE AND CYTOSINE. B) ADENINE AND GUANINE. C) CYTOSINE AND THYMINE. D) CYTOSINE AND URACIL. Show Answer Correct Answer: B) ADENINE AND GUANINE. 48. During what phase of the cell cycle does the cell prepare for mitosis? A) G2 phase. B) S phase. C) M phase. D) G1 phase. Show Answer Correct Answer: A) G2 phase. 49. 5% of cell cycle is in A) Mitosis. B) Meiosis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mitosis. 50. During DNA replication, what would be the complementary strand to the original DNA segment of GCTAAT? A) GGAUUA. B) CGATTA. C) GGUTTU. D) GGATTA. Show Answer Correct Answer: B) CGATTA. 51. Which phase of the cell cycle is characterized by the synthesis of proteins necessary for cell division? A) G2 phase. B) S phase. C) G1 phase. D) M phase. Show Answer Correct Answer: A) G2 phase. 52. In which stage of the cell cycle is the parent cell divided into two daughter cells through cell division? A) Synthesis. B) Interphase. C) Transcription. D) Mitosis. Show Answer Correct Answer: D) Mitosis. 53. What is the name of the point where two chromatids are joined? A) Centromere. B) Chromatin. C) Chromosome. D) Gene. Show Answer Correct Answer: A) Centromere. 54. During interphase, a cell grows, duplicates organelles, and A) Copies DNA. B) Divides the cytoplasm. C) Divides the nucleus. D) Produces a new cell. Show Answer Correct Answer: A) Copies DNA. 55. Synthesis of proteins for formation of spindle fibres takes place in? A) M phase. B) S phase. C) G1 phase. D) G2 phase. Show Answer Correct Answer: D) G2 phase. 56. Which statement correctly describes meiosis? A) Cells divide only once. B) Meiosis does not occur in reproductive cells. C) The cells produced at the end of meiosis are genetically identical to the parent cell. D) The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell. Show Answer Correct Answer: D) The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell. 57. What does it mean when the chromosomes "condense" A) Thickening of the chromatin and visible by the human eye. B) Grow and duplicate. C) Shrink and die. D) Thickening of the chromatin and visible under a microscope. Show Answer Correct Answer: D) Thickening of the chromatin and visible under a microscope. 58. Which of the following shows the levels of organization from largest to smallest? A) Organ system-organism-cells-organ-tissues. B) Tissues-cells-organs-organism-organism. C) Organism-organ system-organ-tissue-cell. D) Cells-tissues-organs-organ system-organism. Show Answer Correct Answer: C) Organism-organ system-organ-tissue-cell. 59. In order to solve the problem of a low surface area to volume ratio, a cell A) Decreases in size. B) Increases in size. C) Divides. D) None of the above. Show Answer Correct Answer: C) Divides. 60. Long DNA molecule with part or all of the genetic material of an organism (condensed form) A) Chromosome. B) DNA. C) Chromatin. D) Chromatid. Show Answer Correct Answer: A) Chromosome. ← 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