A) absence of vitamin-K
B) lack of vitamin\[-{{B}_{12}}\]
C) lack of vitamin-C
D) presence of intrinsic factor
Correct Answer: B
Solution :
Cyanocobalamine or vitamin-B12 is obtained from milk, egg, liver, fish and also synthesized by some colon bacteria. Its deficiency causes pernicious anaemia with large, immature, nucleated RBCs devoid of haemoglobin.
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