Question on Cell Division
20 multiple-choice questions with five answer choices (A–E) about Cell Division, followed by the answer key at the end.
Multiple Choice Questions: Cell Division
1. What is the main purpose of cell division?
A) Cell respiration
B) Waste removal
C) Reproduction and growth
D) Protein synthesis
E) DNA transcription
2. Which of the following is the correct sequence of the cell cycle?
A) G1 → G2 → M → S
B) G2 → S → M → G1
C) G1 → S → G2 → M
D) M → S → G1 → G2
E) S → G1 → M → G2
3. During which phase does DNA replication occur?
A) M phase
B) G1 phase
C) G2 phase
D) S phase
E) Cytokinesis
4. Which type of cell division results in two identical daughter cells?
A) Meiosis I
B) Meiosis II
C) Binary fission
D) Mitosis
E) Cytokinesis
5. What structure helps pull chromosomes apart during mitosis?
A) Golgi apparatus
B) Ribosomes
C) Spindle fibers
D) Cell wall
E) Centrioles
6. Which phase of mitosis is characterized by the alignment of chromosomes in the center of the cell?
A) Prophase
B) Anaphase
C) Metaphase
D) Telophase
E) Interphase
7. What is the result of meiosis?
A) Two identical cells
B) Four identical diploid cells
C) Four unique haploid cells
D) Two diploid gametes
E) A single daughter cell
8. Which of the following occurs during prophase?
A) Chromosomes align at the equator
B) Nuclear membrane disappears
C) Cytoplasm divides
D) Chromatids separate
E) DNA replicates
9. In what phase does crossing over occur?
A) Prophase of mitosis
B) Metaphase II
C) Prophase I of meiosis
D) Telophase I
E) Anaphase II
10. What ensures genetic variation in meiosis?
A) Cytokinesis
B) Binary fission
C) Spindle fiber action
D) Crossing over and independent assortment
E) DNA replication
11. Which part of the cell cycle is the longest?
A) Mitosis
B) Interphase
C) Cytokinesis
D) Anaphase
E) Telophase
12. What are sister chromatids?
A) Chromosomes in different cells
B) Identical copies of a chromosome joined at the centromere
C) Non-identical homologous chromosomes
D) mRNA strands
E) Ribosomal proteins
13. What happens during cytokinesis?
A) DNA is replicated
B) The cell grows
C) Chromosomes align
D) The cytoplasm divides
E) The spindle forms
14. Which of the following is a difference between mitosis and meiosis?
A) Mitosis produces four cells; meiosis produces two
B) Meiosis occurs only in somatic cells
C) Meiosis includes two divisions; mitosis only one
D) Mitosis involves crossing over
E) Mitosis leads to genetic diversity
15. Which structure connects sister chromatids?
A) Centrosome
B) Centriole
C) Chromatin
D) Centromere
E) Kinetochore
16. Which phase of mitosis comes immediately after metaphase?
A) Telophase
B) Anaphase
C) Interphase
D) Prophase
E) Cytokinesis
17. In humans, how many chromosomes are present in a gamete?
A) 23 pairs
B) 46
C) 22
D) 23
E) 44
18. Which type of reproduction uses mitosis?
A) Sexual reproduction in animals
B) Asexual reproduction in bacteria
C) Asexual reproduction in plants and fungi
D) Meiosis in humans
E) Fertilization in eukaryotes
19. When does the nuclear membrane reappear in mitosis?
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
E) Cytokinesis
20. Which term describes the process by which a single cell divides into two identical daughter cells?
A) Mitosis
B) Meiosis
C) Translation
D) Photosynthesis
E) Respiration
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Answer Key
1. C
2. C
3. D
4. D
5. C
6. C
7. C
8. B
9. C
10. D
11. B
12. B
13. D
14. C
15. D
16. B
17. D
18. C
19. D
20. A
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