Question:
Deficiency of clotting factor VIII or IX in the blood causes _________.
Deficiency of clotting factor VIII or IX in the blood causes _________.
Show Hint
Lack of factor VIII or IX causes haemophilia.
Updated On: Nov 12, 2026
- thalassemia
- sickle-cell anaemia
- nephritis
- haemophilia
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Blood clotting needs a cascade of plasma proteins.
Step 2: Disorder
Lack of factor VIII causes haemophilia A and lack of factor IX causes haemophilia B. A small cut keeps bleeding.
Step 3: Other options
Thalassemia and sickle-cell anaemia are haemoglobin defects. Nephritis is a kidney disorder.
Final Answer:
The disorder is haemophilia. \[ \boxed{\text{(D) }\text{haemophilia}} \]
Blood clotting needs a cascade of plasma proteins.
Step 2: Disorder
Lack of factor VIII causes haemophilia A and lack of factor IX causes haemophilia B. A small cut keeps bleeding.
Step 3: Other options
Thalassemia and sickle-cell anaemia are haemoglobin defects. Nephritis is a kidney disorder.
Final Answer:
The disorder is haemophilia. \[ \boxed{\text{(D) }\text{haemophilia}} \]
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