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.What term describes a pair of corresponding chromosomes of the same shape and size, one derived from each parent?
    • A.Homologous Chromosome
    • B.Sister Chromatid
    • C.Autosome
    • D.Heterologous Chromosome
  2. 2.Network of long, thin, dark staining fibres seen in the interphase nucleus is _______.
    • A.Synapsis
    • B.Chromatin fibres
    • C.Nucleosome
    • D.Nucleotide
  3. 3.Meiosis
    • A.A process where a single cell divides twice to produce four cells containing half the original amount of genetic information.
    • B.A process where a nucleus divides twice to produce four cells containing the original amount of genetic information.
    • C.A process where a cell divides thrice to produce four cells containing half the original amount of genetic information.
    • D.A process where a DNA divides twice to produce eight cells containing half the original amount of genetic information.
  4. 4.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.
  5. 5.Select the correct statement about $G_1$ phase:
    • A.Cell is metabolically inactive.
    • B.DNA in the cell does not replicate.
    • C.It is not a phase of synthesis of macromolecules.
    • D.Cell stops growing.

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