Question

Night blindness occurs due to deficiency of which vitamin?

• A. Vitamin A
• B. Vitamin B
• C. Vitamin C
• D. Vitamin D

Answer 1

The correct option is A Vitamin A

Night blindness is a nutritional disorder in which person is not able to see at night or in poor light. It is mainly caused due to the deficiency of vitamin A. Vitamin A is retinol that helps in the formation of rhodopsin that helps in vision in low light and hence in the absence of retinol, this pigments will not form and a person will not be able to see in dim light.