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.The table below is designed to indicate the transport of certain substances in our body. Which of the following correctly fills in the blank for the substance transported **from the lungs to the whole body**?
    • A.Oxygen
    • B.Carbon dioxide
    • C.Urea
    • D.Hormones
  2. 2.What occurs in leukemia?
    • A.Reduction in white blood cell count
    • B.Increase in white blood cells at the expense of red blood cells
    • C.Excessive production of platelets
    • D.Complete absence of blood clotting
  3. 3.Blood in the pulmonary artery or pulmonary vein (Which one contains less oxy hemoglobin?)
    • A.Blood in pulmonary artery
    • B.Blood in pulmonary vein
  4. 4.Which blood vessel is responsible for delivering oxygenated blood into the left atrium?
    • A.Superior vena cava
    • B.Inferior vena cava
    • C.Pulmonary vein
    • D.Pulmonary artery
  5. 5.Which component represents the fluid portion of blood?
    • A.Platelets
    • B.Plasma
    • C.Red blood cells
    • D.White blood cells

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