CIE iGCSE Co-Ordinated Science B9.4 Blood Exam Style Questions Paper 2
Question
Which component of blood is matched to its function?
▶️Answer/Explanation
Ans: D
Question
Which component is needed for blood to clot?
A hormones
B platelets
C red blood cells
D white blood cells
▶️Answer/Explanation
Answer: B
Explanation: Platelets are essential for blood clotting (haemostasis). They form a plug at the injury site and release chemicals that initiate the clotting cascade.