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.When two atria contract simultaneously and result in the blood pumping into ventricles, this is called
- a.Arterial diastole
- b.Ventricular systole
- c.Ventricular diastole
- d.Arterial systole
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2.Which of the following blood vessels in humans carries the least concentration of urea?
- A.Hepatic vein
- B.Hepatic artery
- C.Renal artery
- D.Renal vein
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3.What is the primary function of valves in the human heart?
- A.To regulate blood pressure in the heart chambers
- B.To ensure unidirectional flow and prevent backflow of blood
- C.To separate oxygenated and deoxygenated blood
- D.To produce heart sounds during contraction
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4.How does the hepatic portal system contribute to reducing the workload on the heart?
- A.It pumps blood directly to the lungs for oxygenation
- B.It monitors glucose levels and detoxifies blood before it reaches the heart
- C.It increases blood pressure to enhance circulation
- D.It stores excess blood to reduce volume returning to the heart
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5.The left ventricle possesses a thicker wall than right ventricle because
- A.it receives deoxygenated blood from left atrium.
- B.it receives oxygenated blood from left atrium.
- C.it pumps oxygenated blood out of the heart.
- D.it pumps deoxygenated blood out of the heart.
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