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Class XI · Biology

Cell Cycle and Cell Division: NEET MCQ practice

188 practice questions on Cell Cycle and Cell Division, including 42 from past NEET papers, each with an explanation. Practise them chapter by chapter in the GyaanLoop app.

188

Practice questions

112

Easy

76

Medium

0

Hard

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What Cell Cycle and Cell Division covers

Topics in the NEET (UG) 2026–27 syllabus for this chapter.

  • Cell cycle
  • Mitosis and its significance
  • Meiosis and its significance

Past NEET questions on Cell Cycle and Cell Division

Try each one, then open the answer and explanation.

Question 1 · NEET 2025

What is the main function of the spindle fibers during mitosis?

  1. A.To separate the chromosomes
  2. B.To synthesize new DNA
  3. C.To repair damaged DNA
  4. D.To regulate cell growth
Show answer

Answer: A. To separate the chromosomes

Spindle fibers form during mitosis to move chromosomes. Their key role is pulling sister chromatids apart to opposite poles during anaphase.

Question 2 · NEET 2024

Match List-I with List-II. List-I Event List-II Stage of Prophase-I (Meiosis-I) A. Chiasmata formation I. Pachytene B. Crossing over II. Diakinesis C. Synaptonemal complex formation III. Diplotene D. Terminalisation of chiasmata IV. Zygotene Choose the correct answer from the options given below:

  1. A.A-III, B-I, C-IV, D-II
  2. B.A-II, B-I, C-III, D-IV
  3. C.A-III, B-I, C-II, D-IV
  4. D.A-II, B-III, C-IV, D-I
Show answer

Answer: A. A-III, B-I, C-IV, D-II

Chiasmata visibly seen in diplotene (A-III). Crossing over occurs in pachytene (B-I). Synaptonemal complex forms in zygotene (C-IV). Terminalisation occurs in diakinesis (D-II). This matches sequence A-III, B-I, C-IV, D-II.

Question 3 · NEET 2024

Given below are two statements: Statement I: Failure of segregation of chromatids during cell cycle resulting in the gain or loss of whole set of chromosome in an organism is known as aneuploidy. Statement II: Failure of cytokinesis after anaphase stage of cell division results in the gain or loss of a chromosome is called polyploidy. In the light of the above statements, choose the correct answer from the options given below:

  1. A.Statement I is true but Statement II is false
  2. B.Statement I is false but Statement II is true
  3. C.Both Statement I and Statement II are true
  4. D.Both Statement I and Statement II are false
Show answer

Answer: D. Both Statement I and Statement II are false

Statement I describes aneuploidy incorrectly; aneuploidy is gain/loss of single chromosomes, not whole sets. Whole set gain/loss is euploidy. Statement II incorrectly associates polyploidy with gain/loss of a chromosome; polyploidy is gain of whole sets, not from cytokinesis failure after anaphase. Both are false.

Question 4 · NEET 2024

Match List-I with List-II. List-I List-II A. Cells are metabolically active and proliferate I. G2 phase B. DNA replication takes place II. G1 phase C. Proteins are synthesised III. G phase D. Quiescent stage with metabolically active cells IV. S phase Choose the correct answer from the options given below:

  1. A.A-IV, B-II, C-III, D-I
  2. B.A-I, B-III, C-IV, D-II
  3. C.A-I, B-I, C-III, D-IV
  4. D.A-II, B-IV, C-I, D-III
Show answer

Answer: D. A-II, B-IV, C-I, D-III

G1 phase: cells metabolically active and proliferate (A-II). S phase: DNA replication occurs (B-IV). G2 phase: proteins synthesized in preparation for mitosis (C-I). G0 phase: quiescent stage with metabolically active cells (D-III).

Question 5 · NEET 2024

Recombination between homologous chromosomes is completed by the end of

  1. A.Diakinesis
  2. B.Zygotene
  3. C.Diplotene
  4. D.Pachytene
Show answer

Answer: D. Pachytene

Recombination occurs via crossing over during prophase I. Synapsis completes in pachytene, and recombination nodules mediate exchange. Crossing over finishes by the end of pachytene before chromosomes separate in diplotene.

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