ICSE Class 10

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

  1. 1.By the end of prophase, chromosomes are seen as thick rods each having two rods called ________ chromatids.
    • A.Sister
    • B.Homologous
    • C.Non-sister
    • D.Daughter
  2. 2.Replication of DNA in the cell cycle occurs during the :
    • A.G₁ - phase
    • B.Anaphase
    • C.S - phase
    • D.G₂ - phase
  3. 3.Which term describes the division of the nucleus?
    • A.Karyokinesis
    • B.Cytokinesis
    • C.Mitosis
    • D.Meiosis
  4. 4.Which of the following animals has nineteen pairs of chromosomes?
    • A.Lion
    • B.Elephant
    • C.Dog
    • D.Human
  5. 5.Chromosomes
    • A.Thread-like structure found in DNA that carry genetic information of an organism in the form of genes.
    • B.Ring-like structure found in RNA that carry genetic information of an organism in the form of genes.
    • C.Thread-like structure found in both DNA and RNA that carry genetic information of an organism in the form of genes.
    • D.Thread-like structure found in RNA that carry genetic information of an organism in the form of genes.

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