(x) Night blindness is caused due to deficiency of (a) vitamin A (b) vitamin B (c) vitamin C (d) vitamin D Answer
Complete answer: Night blindness is caused due to deficiency of Vitamin – A. The retina of the eye requires vitamin -A, which is used in the form of retinal, which combines with protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light and color vision.
