ICSE Class 10

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

  1. 1.What is the process by which leucocytes squeeze out through the walls of capillaries called?
    • A.Osmosis
    • B.Diapedesis
    • C.Phagocytosis
    • D.Diffusion
  2. 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
  3. 3.Which of the following correctly distinguishes an artery from a vein based on structural characteristics?
    • A.Arteries have thick walls and no valves, while veins have thin walls and valves.
    • B.Arteries carry deoxygenated blood, while veins carry oxygenated blood.
    • C.Arteries are superficial, while veins are deeply seated in the body.
    • D.Arteries have a wide lumen, while veins have a narrow lumen.
  4. 4.The nearest organ to which the heart supplies oxygenated blood is
    • A.Kidney
    • B.Heart
    • C.Lung
    • D.Intestine
  5. 5.Why does the pulmonary artery contain deoxygenated blood?
    • A.It carries blood from the lungs to the left auricle.
    • B.It arises from the right ventricle, which contains deoxygenated blood.
    • C.The pulmonary artery mixes oxygenated and deoxygenated blood.
    • D.It receives blood directly from the body tissues.

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