ICSE Class 10 Cell Cycle and Structure of Chromosomes — Mock Test (2027)
Free online mock test for Cell Cycle and Structure of Chromosomes (ICSE Class 10 Biology) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Cell Cycle and Structure of Chromosomes chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.In which part of the cell are chromosomes present?
- A.Nucleus
- B.Lysosome
- C.Mitochondria
- D.Golgi apparatus
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2.The statement 'Centromere is the organelle of the cell that initiates cell division' is:
- A.False. The centrosome initiates cell division in animal cells.
- B.True
- C.False. The nucleus initiates cell division.
- D.False. The mitochondrion initiates cell division.
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3.Assertion: Every chromosome, during metaphase has two chromatids. Reason: Synthesis of DNA takes places in the S-phase of interphase. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true, but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both Assertion and Reason are false.
- A.If both assertion and reason are true and reason is the correct explanation of assertion.
- B.If both assertion and reason are true, but reason is not the correct explanation of assertion.
- C.If assertion is true but reason is false.
- D.If both Assertion and Reason are false.
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4._______ occupies the longest period in a cell cycle.
- A.Interphase
- B.Prophase
- C.Metaphase
- D.Telophase
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5.The exchange of genetic materials between non-sister chromatids is called ________.
- A.Crossing over
- B.Mutation
- C.Transcription
- D.Replication
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