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.Systemic circulation is
- A.Left ventricle → Deoxygenated blood → Tissues → Oxygenated blood → Right ventricle
- B.Right ventricle → Oxygenated blood → Tissues → Deoxygenated blood → Right auricle
- C.Left ventricle → Oxygenated blood → Tissues → Oxygenated blood → Right auricle
- D.Left ventricle → Oxygenated blood → Tissues → Deoxygenated blood → Right auricle
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2.The duration of a cardiac cycle is
- A.0.6 second
- B.0.7 second
- C.0.9 second
- D.0.8 second
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3.Which of the following is NOT a function of blood plasma?
- A.Transporting nutrients, waste products, hormones, and gases throughout the body.
- B.Producing red and white blood cells to maintain oxygen supply and immunity.
- C.Maintaining osmotic balance through plasma proteins like albumin.
- D.Regulating blood pH using buffers such as bicarbonate.
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4.The nearest organ to which the heart supplies oxygenated blood is
- A.Lung
- B.Stomach
- C.Intestine
- D.Heart itself
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5.SA node is located in
- A.Upper lateral wall of left atrium
- B.Upper lateral wall of right atrium
- C.Lower lateral wall of left atrium
- D.Lower lateral wall of right atrium
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