The deficiency of which vitamin causes pernicious anaemia?

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$Vitamin B_{12}$

$Vitamin B_{2}$

$Vitamin B_{6}$

$Vitamin E$

answer is D.

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Detailed Solution

Pernicious anemia is one cause of vitamin B₁₂ deficiency anemia. It’s thought to mainly be caused by an autoimmune process that makes a person unable to produce a substance in the stomach called intrinsic factor.

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