Class 11 Biology MCQ Chapter 10 Cell Cycle and Cell Division
Are you looking for Class 11 Biology MCQ Chapter 10 Cell Cycle and Cell Division English Medium? Then you are in the right place. This article provides a collection of important multiple-choice questions (MCQs) with answers to help AHSEC Higher Secondary First Year students prepare effectively for their Biology examinations.
The chapter Cell Cycle and Cell Division explains how cells grow, reproduce, and maintain continuity in living organisms. Students will learn about the different phases of the cell cycle, interphase, mitosis, meiosis, cytokinesis, and the significance of cell division in growth, repair, and reproduction. These topics are fundamental to understanding genetics, development, and the life processes of organisms.
All MCQs are prepared according to the latest AHSEC syllabus and examination pattern. These objective questions are useful for quick revision, self-assessment, and strengthening important concepts before examinations. Regular practice can help students improve accuracy and gain confidence in answering Biology questions.
Whether you are preparing for class tests, annual examinations, or the AHSEC HS First Year Examination, these MCQ solutions will help you master the chapter and achieve better academic results.
Unit III. Cell Structure and Function
Cell Cycle and Cell Division
VSA & MCQ
I. Short Answer Questions (1 Mark Each)
Q1. What is cell cycle?
Ans: It is the sequence of events by which a cell grows and divides.
Q2. What are the main phases of cell cycle?
Ans: Interphase and M phase.
Q3. What is interphase?
Ans: It is the phase between two divisions where the cell grows and replicates DNA.
Q4. Name the stages of interphase.
Ans: G₁, S and G₂ phases.
Q5. What happens in S phase?
Ans: DNA replication takes place.
Q6. What is mitosis?
Ans: Division of a cell producing two identical daughter cells.
Q7. What is meiosis?
Ans: Reduction division producing four haploid cells.
Q8. What is cytokinesis?
Ans: Division of cytoplasm.
Q9. What is karyokinesis?
Ans: Division of nucleus.
Q10. What is G₀ phase?
Ans: A resting stage where cells do not divide.
Q11. What is metaphase?
Ans: Stage where chromosomes align at equator.
Q12. What is anaphase?
Ans: Stage where chromosomes separate.
Q13. What is telophase?
Ans: Stage where nuclei reform.
Q14. What is synapsis?
Ans: Pairing of homologous chromosomes.
Q15. What is crossing over?
Ans: Exchange of genetic material between homologous chromosomes.
II. Multiple Choice Questions (MCQs)
Q1. Cell cycle includes
(a) Interphase and M phase
(b) Only interphase
(c) Only mitosis
(d) None
Ans: (a)
Q2. DNA replication occurs in
(a) G₁ phase
(b) S phase
(c) G₂ phase
(d) M phase
Ans: (b)
Q3. Mitosis produces
(a) 4 cells
(b) 2 identical cells
(c) 2 different cells
(d) 1 cell
Ans: (b)
Q4. Meiosis produces
(a) 2 cells
(b) 4 haploid cells
(c) 3 cells
(d) 1 cell
Ans: (b)
Q5. Cytokinesis is
(a) Nuclear division
(b) Cytoplasmic division
(c) DNA replication
(d) Protein synthesis
Ans: (b)
Q6. Karyokinesis is
(a) Cytoplasmic division
(b) Nuclear division
(c) DNA synthesis
(d) Respiration
Ans: (b)
Q7. Chromosomes align at equator in
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (b)
Q8. Sister chromatids separate in
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (c)
Q9. Nuclear membrane reforms in
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (d)
Q10. G₀ phase is
(a) Active division
(b) Resting stage
(c) DNA synthesis
(d) Cytokinesis
Ans: (b)
Q11. Crossing over occurs in
(a) Prophase I
(b) Metaphase I
(c) Anaphase I
(d) Telophase I
Ans: (a)
Q12. Synapsis occurs in
(a) Prophase I
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (a)
Q13. Bivalent consists of
(a) 1 chromosome
(b) 2 homologous chromosomes
(c) 3 chromosomes
(d) 4 chromosomes
Ans: (b)
Q14. Meiosis reduces chromosome number to
(a) Diploid
(b) Haploid
(c) Triploid
(d) Tetraploid
Ans: (b)
Q15. Mitosis maintains
(a) Chromosome number
(b) Reduces number
(c) Doubles number
(d) None
Ans: (a)
Q16. Cell plate forms in
(a) Animal cells
(b) Plant cells
(c) Bacteria
(d) Fungi
Ans: (b)
Q17. Cleavage furrow forms in
(a) Plant cells
(b) Animal cells
(c) Both
(d) None
Ans: (b)
Q18. Interphase is
(a) Shortest phase
(b) Longest phase
(c) Absent
(d) Same as M phase
Ans: (b)
Q19. DNA content doubles in
(a) G₁
(b) S
(c) G₂
(d) M
Ans: (b)
Q20. Homologous chromosomes separate in
(a) Mitosis
(b) Meiosis I
(c) Meiosis II
(d) None
Ans: (b)
Q21. Sister chromatids separate in
(a) Meiosis I
(b) Meiosis II
(c) Both
(d) None
Ans: (b)
Q22. Chiasmata represent
(a) DNA replication
(b) Crossing over points
(c) Protein synthesis
(d) Cell division
Ans: (b)
Q23. Number of divisions in meiosis
(a) One
(b) Two
(c) Three
(d) Four
Ans: (b)
Q24. Prophase is first stage of
(a) Interphase
(b) Mitosis
(c) S phase
(d) G₂
Ans: (b)
Q25. Chromatin condenses in
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (a)
Q26. Spindle fibres attach in
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
Ans: (b)
Q27. Genetic variation arises due to
(a) Mitosis
(b) Meiosis
(c) Cytokinesis
(d) Interphase
Ans: (b)
Q28. Haploid cells contain
(a) Double set
(b) Single set
(c) Triple set
(d) No chromosomes
Ans: (b)
Q29. Diploid cells contain
(a) One set
(b) Two sets
(c) Three sets
(d) Four sets
Ans: (b)
Q30. Cell division is essential for
(a) Growth
(b) Repair
(c) Reproduction
(d) All
Ans: (d)
