Which of the following diseases is not caused due to a vitamin deficiency?

The diseases caused due to the deficiency of vitamins are

Which disease is caused due to deficiency of vitamin-D?

The deficiency disease caused due to the lack of vitamin C is ___ .

Fill in the blanks:

(a) _________ is caused by the deficiency of vitamin D.

(b) Deficiency of _________ causes a disease known as beri-beri.

(c) Deficiency of vitamin C causes a disease known as _________.

(d) Night blindness is caused due to deficiency of _________ in our food.