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Q.
Which vitamin deficiency causes pernicious anaemia?
NTA AbhyasNTA Abhyas 2020Biomolecules
Solution:
Vitamin $B_{12}$ helps to produce red blood cells. Due to deficiency of vitamin $B_{12}$ the sufficient amount of red blood cells will not be produced. As a result, RBC deficiency in haemoglobin is known as pernicious anaemia.