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.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
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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
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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
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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
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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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