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Digestive System · UPSC CDS/OTA · Question 50 of 63

Digestive System: Pernicious anemia results from deficiency of

Step-by-step solution. Digestive System for UPSC CDS/OTA.

Topic
Digestive System
Subject
General Studies
Difficulty
medium
Solve Time
45-60 sec

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Q · Digestive Systemmedium · 45s

Pernicious anemia results from deficiency of:

TopicDigestive System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

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Pernicious anemia is caused by autoimmune destruction of gastric parietal cells producing intrinsic factor, leading to impaired vitamin B₁₂ absorption in the ileum. Vitamin B₁₂ is essential for red blood cell formation and neurological function.

Final Answer: Option C - Vitamin B₁₂
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Pernicious anemia results from deficiency of - Digestive System (General Studies) Solved Question