This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 10 Cell Cycle And Cell Division – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the structure in which DNA, hereditary material that controls cell activities, can be found. A) Chromatids. B) Centromere. C) Chromosome. D) Mitosis. Show Answer Correct Answer: C) Chromosome. 2. 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. 3. Females contain ..... chromosomes and males contain ..... chromosomes A) XX, YY. B) YY, XX. C) XY, XX. D) XX, XY. Show Answer Correct Answer: D) XX, XY. 4. 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. 5. Which of the following is reduction division? A) Meiosis-I. B) Meiosis-II. C) Mitosis. D) Interphase. Show Answer Correct Answer: A) Meiosis-I. 6. Phragmoplast is A) Proplastid in cytoplasm of dividing cells. B) Cell plate formed by vesicles of ER and dictyosomes during late cytokinesis. C) Cell plate formed by dictyosomes and microtubules. D) None of the above. Show Answer Correct Answer: C) Cell plate formed by dictyosomes and microtubules. 7. 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. 8. What specific part of the chromosome do spindle fibers attach during cell division? A) Centrioles. B) Centrosome. C) Kinetochore. D) Centromere. Show Answer Correct Answer: C) Kinetochore. 9. 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. 10. 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. 11. 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. 12. The chromosomes that pair up during meiosis I are called ..... chromosomes. A) Heterozygous. B) Asexual. C) Homologous pairs. D) Genes. Show Answer Correct Answer: C) Homologous pairs. 13. 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. 14. 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. 15. 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. 16. 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. 17. 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. 18. Dna has sugar of ..... type A) Hexose. B) Heptose. C) Pentose. D) Ribulose. Show Answer Correct Answer: C) Pentose. 19. In which phase of mitosis do the spindle apparatus form and attach to the sides of a cell? A) Anaphase. B) Prophase. C) S phase. D) Interphase. Show Answer Correct Answer: B) Prophase. 20. The equator is in/on the ..... of the cell. A) Middle. B) Left. C) Right. D) Bottom. Show Answer Correct Answer: A) Middle. 21. During the interphase, our DNA is in its loose form called ..... A) Chromatid. B) Chromosome. C) Chromatin. D) Chromatin fiber. Show Answer Correct Answer: D) Chromatin fiber. 22. 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) S. C) M. D) G2. Show Answer Correct Answer: A) G1. 23. What would be the result if mitosis were NOT followed by cytokinesis? A) Two cells, each without a nucleus. B) One cell with two identical nuclei. C) One cell without a nucleus. D) Two cells, each with one nucleus. Show Answer Correct Answer: B) One cell with two identical nuclei. 24. 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. 25. When does pairing/synapsis of homologous chromosomes ( bivalent formation ) occur in meiosis? A) Diplotene. B) Pachytene. C) Zygotene. D) Leptotene. Show Answer Correct Answer: C) Zygotene. ← 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