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.Where is the tricuspid valve located in the heart?
- A.Between the left atrium and left ventricle
- B.Between the right atrium and right ventricle
- C.At the opening of the pulmonary artery
- D.Between the ventricles and aorta
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2.Which of the following is a function of lymph in the human body?
- A.Absorption of fats from the intestines and protection against disease-causing germs.
- B.Transport of oxygen to body tissues and removal of carbon dioxide.
- C.Production of red blood cells and platelets.
- D.Regulation of blood pressure and heart rate.
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3.Which of the following correctly describes the structural differences between an artery and a vein?
- A.Arteries have thick, elastic, and muscular walls with a smaller lumen and no valves, while veins have thinner walls, a larger lumen, and valves to prevent backflow.
- B.Arteries have thin walls and valves to maintain low blood pressure, while veins have thick walls and no valves to sustain high pressure.
- C.Arteries and veins both have valves, but arteries have a larger lumen and carry blood under low pressure compared to veins.
- D.Arteries are more superficial with thinner walls, while veins are deeper with thick, muscular walls to handle high blood pressure.
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4.Arrange the following terms in the correct logical sequence for the blood clotting process: Fibrin, Platelets, Thromboplastin, Fibrinogen, Thrombin.
- A.Platelets → Thromboplastin → Thrombin → Fibrinogen → Fibrin
- B.Fibrinogen → Thrombin → Platelets → Thromboplastin → Fibrin
- C.Thromboplastin → Platelets → Fibrinogen → Thrombin → Fibrin
- D.Platelets → Fibrinogen → Thrombin → Thromboplastin → Fibrin
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5.Is the following statement true or false? If false, identify the correct version by changing only the first or last word. 'New RBCs are produced in the heart.'
- A.True.
- B.False. New RBCs are produced in the bone marrow.
- C.False. New RBCs are produced in the liver.
- D.False. New RBCs are produced in the spleen.
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