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.Blood is a
- a.Liquid connective tissue
- b.Mobile connective tissue
- c.Both (a) and (b)
- d.Semi-solid connective tissue
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2.What is the primary function of the Bicuspid and Tricuspid valves in the human heart?
- A.Bicuspid: Prevents backflow of de-oxygenated blood; Tricuspid: Prevents backflow of oxygenated blood.
- B.Bicuspid: Prevents backflow of oxygenated blood from left ventricle to left auricle; Tricuspid: Prevents backflow of de-oxygenated blood from right ventricle to right auricle.
- C.Bicuspid: Allows flow of blood from left auricle to left ventricle; Tricuspid: Allows flow of blood from right auricle to right ventricle.
- D.Bicuspid: Prevents backflow of blood into the aorta; Tricuspid: Prevents backflow of blood into the pulmonary artery.
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3.Double circulation means
- A.Every organ has an artery and a vein.
- B.Blood flows twice through the heart.
- C.Oxygenated and deoxygenated blood is separated.
- D.Both (a) and (b)
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4.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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5.What is the role of haemoglobin in the transport of oxygen and carbon dioxide?
- A.Haemoglobin binds with oxygen in the lungs to form oxyhaemoglobin and transports it to tissues, while also carrying carbon dioxide as carbaminohaemoglobin to the lungs.
- B.Haemoglobin directly dissolves oxygen and carbon dioxide in the blood plasma for transport without forming any compounds.
- C.Haemoglobin converts oxygen into carbon dioxide in tissues and transports it back to the lungs for removal.
- D.Haemoglobin only transports oxygen to tissues and plays no role in the transport of carbon dioxide.
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