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.Which of the following correctly describes the relationship between cytokinesis and karyokinesis?
- A.Karyokinesis divides the nucleus; cytokinesis divides the cytoplasm afterward.
- B.Cytokinesis divides the nucleus; karyokinesis divides the cytoplasm afterward.
- C.Both processes occur simultaneously and divide the nucleus.
- D.Karyokinesis occurs only in plant cells; cytokinesis occurs only in animal cells.
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2.Cytoplasm.
- A.Inside the cell between the nucleolus and the centromere
- B.Inside the cell between the nucleus and the cell membrane
- C.Inside the cell between the mitochondria and the cell membrane.
- D.Inside the cell near to the cell
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3.Chromosomes get aligned at the centre of the cell during :
- A.Metaphase
- B.Anaphase
- C.Prophase
- D.Telophase
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4.Which of the following might you find in the backbone of DNA? 1. Phosphate group 2. Hexose sugar 3. Adenine
- A.1, 2 and 3
- B.1 only
- C.2 only
- D.1 and 2
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5.The diagram given below represents a certain phenomenon which occurs during meiosis. Identify the labelled phenomenon using the terms — homologous chromosomes, chromatids, and crossing-over.
- A.Segregation of homologous chromosomes during anaphase I
- B.Exchange of segments between non-sister chromatids of homologous chromosomes, called crossing-over
- C.Random alignment of chromatids at the metaphase plate
- D.Separation of sister chromatids during anaphase II
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