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.In the given diagram of a mammalian red blood cell (RBC), the labeled part 'X' indicates the absence of which organelle, contributing to its efficiency in oxygen transport?
- A.Nucleus, increasing surface area-to-volume ratio for better oxygen absorption
- B.Ribosomes, preventing protein synthesis to conserve energy
- C.Golgi apparatus, reducing cell weight for faster movement
- D.Lysosomes, avoiding breakdown of oxygen molecules during transport
-
2.Which blood vessel is responsible for delivering oxygenated blood into the left atrium?
- A.Superior vena cava
- B.Inferior vena cava
- C.Pulmonary vein
- D.Pulmonary artery
-
3.The opening of right atrium into right ventricle of human heart is guarded by
- A.Mitral valve
- B.Tricuspid valve
- C.Pulmonary semilunar valves
- D.Bicuspid valve
-
4.Which blood group is known as the universal donor?
- A.Blood group A
- B.Blood group B
- C.Blood group AB
- D.Blood group O
-
5.Agranulocytes are
- a.lymphocytes and monocytes
- b.lymphocytes and basophils
- c.eosinophils and basophils
- d.eosinophils and monocytes
Ready? Take the full 20-question test free — instant marking, no sign-up needed.
▶ Start free mock test