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.Chromosomes and genes both play a crucial role in inheritance and cellular function. During cell division, they ensure the transfer of genetic information to daughter cells, maintaining consistency across generations. Which statement is true of both chromosomes and genes?
- A.Each code for a specific protein.
- B.Each may be copied and passed on in mitosis.
- C.Each may be either dominant or recessive.
- D.Each may exist as two or more alleles.
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2.Identify the structure of the kidney that encloses the glomerulus.
- A.Loop of Henle
- B.Bowman's capsule
- C.Collecting duct
- D.Proximal convoluted tubule
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3.Which of the following acts as the bearer of heredity units?
- A.Chromosomes
- B.Ribosomes
- C.Mitochondria
- D.Lysosomes
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4.Which of the following is NOT one of the four nitrogenous bases in a DNA molecule?
- A.Uracil
- B.Adenine
- C.Guanine
- D.Cytosine
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5.Assertion: Interphase occupies 75-95% of the total generation time. Reason: Interphase (I-phase) is the long non-dividing phase. (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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