A) Deficiency of X and Y causes night blindness and scurvy, respectively.
B) X helps in the normal growth of bones in children while Y keeps reproductive system healthy.
C) Deficiency of Z causes pellagra i.e., vitamin complex.
D) Y is a group of several vitamins.
Correct Answer: B
Solution :
In the given Venn diagram X, Y and Z represent vitamin D, vitamin E and vitamin K, respectively. Deficiency of vitamin A causes night blindness and deficiency of vitamin C causes scurvy. Pellagra is caused by deficiency of vitamin \[{{B}_{3}}\]. Vitamin B is a group of several vitamins like \[{{B}_{1}},{{B}_{2}},{{B}_{3}},{{B}_{6}},{{B}_{12}}\] and folic acid and is known as vitamin ; B complex.
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