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.Why is the term 'pulmonary circulation' used for one part of the circulatory system and 'systemic circulation' for the other?
    • A.Pulmonary circulation involves blood flow to the lungs, while systemic circulation involves blood flow to the body.
    • B.Pulmonary circulation carries deoxygenated blood only, while systemic circulation carries oxygenated blood only.
    • C.Pulmonary circulation occurs only in the heart, while systemic circulation occurs in the entire body except the lungs.
    • D.Pulmonary circulation is driven by the left ventricle, while systemic circulation is driven by the right ventricle.
  2. 2.Double circulation means
    • A.Oxygenated and deoxygenated blood is separated
    • B.Every organ has an artery and a vein
    • C.Blood flows twice through the heart
    • D.Both (a) and (b)
  3. 3.Which of the following is an enzyme required for the process of blood clotting?
    • A.Amylase
    • B.Thrombokinase
    • C.Lipase
    • D.Pepsin
  4. 4.Complete the following statement by choosing the correct option from those given below: An anticoagulant present in the blood is _______.
    • A.heparin
    • B.hirudin
    • C.thromboplastin
    • D.calcium
  5. 5.Find the incorrect statement from the following
    • a.Because of their small size, capillaries contain blood that moves more quickly than in other part of circulation.
    • b.Veins are larger in diameter than arteries.
    • c.Wall of arteries are elastic, enabling them to stretch and shrink during changes in blood pressure.
    • d.Veins contain maximum amount of blood.

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