Answer the question on basis of passage given below:
Vitamins represent a group of organic compounds which are needed in small amount for the healthy growth and maintenance of our body. These are not synthesized by the body and are supplied in the diet. The deficiency of vitamins can be supplemented with medicines.
The pernicious anaemia disease is associated with the deficiency of:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Vitamin B12
Vitamin B12 (cyanocobalamin) is needed for the formation of red blood cells. Its deficiency causes pernicious anaemia: the red blood cells are deficient in haemoglobin. Vitamin B12 is a coordination compound of cobalt, and it is the one water soluble vitamin that the body can store.
NCERT (2026-27 edition):
Classification of Vitamins – …
