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 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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2.Why do people have a common belief that the heart is located on the left side of the chest?
- A.The heart is entirely positioned on the left side of the chest cavity.
- B.The heart is slightly tilted toward the left, and the left ventricle's stronger pumping makes the heartbeat more noticeable on that side.
- C.The right lung is larger, pushing the heart to the left side of the chest.
- D.The heart's apex points to the right, but the left side of the chest is more sensitive to touch.
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3.Which of the following are the different types of corpuscles found in human blood?
- A.Erythrocytes, Leukocytes, and Thrombocytes.
- B.RBCs, WBCs, and platelets.
- C.Neutrophils, Basophils, and Eosinophils.
- D.Lymphocytes, Monocytes, and Macrophages.
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4.What is a portal vein?
- A.A vein that connects two arteries directly.
- B.A vein that starts and ends in capillary networks.
- C.A vein that carries only oxygenated blood.
- D.A vein that bypasses the liver entirely.
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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. 'The blood plasma from which fibrinogen has been removed is known as lymph.'
- A.True.
- B.False. The blood plasma from which fibrinogen has been removed is known as serum.
- C.False. The blood plasma from which fibrinogen has been removed is known as bile.
- D.False. The blood plasma from which fibrinogen has been removed is known as urine.
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