+20 Questions on Meiosis
20 multiple-choice questions (with five alternatives each) on the topic of Meiosis, numbered and followed by the answer key at the end.
Multiple-Choice Questions: Meiosis
1. What is the main purpose of meiosis?
A) Growth and repair
B) Producing identical cells
C) Producing gametes
D) DNA replication
E) Protein synthesis
2. How many daughter cells are produced at the end of meiosis?
A) 1
B) 2
C) 3
D) 4
E) 8
3. How do the daughter cells compare genetically to the parent cell after meiosis?
A) Identical
B) Larger
C) Genetically different
D) Polyploid
E) Incomplete
4. What is the chromosome number in human gametes?
A) 23
B) 44
C) 46
D) 92
E) 0
5. Meiosis occurs in which type of cells?
A) Somatic cells
B) Nerve cells
C) Skin cells
D) Reproductive cells
E) Red blood cells
6. What process increases genetic variation during meiosis?
A) DNA replication
B) Crossing over
C) Cell division
D) Mutation
E) Translation
7. When does crossing over occur?
A) Metaphase I
B) Prophase I
C) Telophase II
D) Interphase
E) Anaphase I
8. What structures exchange genetic material during crossing over?
A) Sister chromatids
B) Ribosomes
C) Homologous chromosomes
D) Nucleotides
E) Centrosomes
9. What separates during meiosis I?
A) Sister chromatids
B) Chromatin
C) Homologous chromosomes
D) Ribosomes
E) Cell membranes
10. What separates during meiosis II?
A) Homologous chromosomes
B) Nuclei
C) Sister chromatids
D) Genes
E) Chromatin pairs
11. Which of the following is true about meiosis but not mitosis?
A) Produces diploid cells
B) Occurs in somatic cells
C) Involves one division
D) Leads to genetic variation
E) Produces identical cells
12. Which phase involves chromosomes lining up in homologous pairs?
A) Metaphase I
B) Anaphase II
C) Prophase II
D) Telophase I
E) Interphase
13. How many chromosomes are in human cells after meiosis II?
A) 46
B) 44
C) 23
D) 92
E) 12
14. Which event occurs during anaphase I?
A) Sister chromatids separate
B) Cytokinesis begins
C) Chromosomes condense
D) Homologous chromosomes move to opposite poles
E) The nuclear envelope reforms
15. Which of the following occurs during telophase II?
A) Homologous chromosomes pair
B) DNA replicates
C) Four new nuclei form
D) Spindle fibers grow
E) Crossing over happens
16. Which of these describes the ploidy of cells produced by meiosis?
A) Haploid
B) Diploid
C) Triploid
D) Polyploid
E) Tetraploid
17. Which of the following best describes meiosis II?
A) Reduction division
B) Separation of homologous chromosomes
C) Division of sister chromatids
D) Cell growth phase
E) DNA replication
18. What type of reproduction is associated with meiosis?
A) Asexual reproduction
B) Budding
C) Cloning
D) Binary fission
E) Sexual reproduction
19. What is a tetrad?
A) A group of four chromosomes from one parent
B) A duplicated chromosome
C) A group of four sister chromatids
D) Two chromatids attached at a centromere
E) Four different genes
20. Why is meiosis important for sexual reproduction?
A) It ensures identical offspring
B) It maintains chromosome number from generation to generation
C) It speeds up evolution
D) It doubles chromosome numbers
E) It produces more ATP
Answer Key
1. C
2. D
3. C
4. A
5. D
6. B
7. B
8. C
9. C
10. C
11. D
12. A
13. C
14. D
15. C
16. A
17. C
18. E
19. C
20. B
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