ICSE Class 10 The Circulatory System — Mock Test (2027)
Free online mock test for The Circulatory System (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 The Circulatory System 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.Why does blood flow in arteries in spurts and under pressure?
- A.Arteries have thin walls that cannot withstand pressure.
- B.High pressure is needed to carry blood over longer distances efficiently.
- C.Blood flows smoothly in arteries without any pressure.
- D.Arteries contain valves that create spurts of blood flow.
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2.Which blood vessels transport blood from the heart to any organ in the body?
- A.Veins
- B.Capillaries
- C.Arteries
- D.Lymph vessels
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3.What does the term "double circulation" mean in the context of the human circulatory system?
- A.Blood flows through the heart only once before being distributed to the body.
- B.Blood circulates through two separate pathways: one to the lungs and one to the rest of the body.
- C.Blood is pumped by two hearts working simultaneously to maintain circulation.
- D.Blood alternates between oxygenated and deoxygenated states within a single circuit.
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4.Assertion (A): Leukoderma is the biological term for blood cancer. Reason (R): An abnormal increase in the number of WBCs causes blood cancer. Which of the following is correct?
- A.(A) is true and (R) is false.
- B.(A) is false and (R) is true.
- C.Both (A) and (R) are true and (R) explains (A).
- D.Both (A) and (R) are false.
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5.Which of the following blood vessels carries deoxygenated blood?
- A.Pulmonary vein
- B.Pulmonary artery
- C.Aorta
- D.Coronary artery
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