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Cell Cycle and Cell Division

30 NEET questions on Cell Cycle and Cell Division. A sample is shown below with full explanations; the rest are available free after signing up.

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Cell Cycle and Cell Division2026easy

Q1.The correct sequence of adult cell cycle phases is ________.

  • AG1-G2-S-M
  • BG1-M-G2-S
  • CG1-S-G2-MAnswer
  • DS-M-G2-G1

Explanation

Interphase runs G1, then S where the DNA is replicated, then G2, and only then does M phase divide the cell. The S phase must sit between the two gap phases, since the cell needs replicated DNA before it can prepare for and undergo mitosis.

Source: NEET 2026 re-exam (21 June), Code 50, Q128

Cell Cycle and Cell Division2026medium

Q2.Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

  • Statement I: Chromosomes are fully condensed at the end of prophase I.
  • Statement II: Meiosis I resembles mitosis.
  • ABoth Statement I and Statement II are true
  • BBoth Statement I and Statement II are false
  • CStatement I is correct, but Statement II is falseAnswer
  • DStatement I is incorrect, but Statement II is true

Explanation

By diakinesis, the last stage of prophase I, the chromosomes are fully condensed and the spindle is assembled — so Statement I is right. Statement II names the wrong division: it is meiosis II that resembles mitosis, because it separates sister chromatids without reducing ploidy. Meiosis I is reductional and separates homologues.

Source: NEET 2026 re-exam (21 June), Code 50, Q131

Cell Cycle and Cell Division2025easy

Q3.What is the main function of the spindle fibres during mitosis?

  • ATo separate the chromosomesAnswer
  • BTo synthesize new DNA
  • CTo repair damaged DNA
  • DTo regulate cell growth

Explanation

Spindle fibres are microtubules that attach to the kinetochore at the centromere of each chromosome. At anaphase they shorten and pull the sister chromatids to opposite poles, which is what physically separates the chromosomes and guarantees each daughter cell an identical set. DNA synthesis and repair happen earlier, during interphase, and involve no spindle.

Source: NEET 2025 (4 May), Code 45, Q158

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Questions are reformatted from NEET previous year papers with original explanations and topic tagging. NEET Prep is not affiliated with the NEET examining body.