Night blindness is caused by the deficiancy of
A. Vitamin-A
B. Vitamin-B
C. Vitamin-C
D. Vitamin-D
Answer: Option A
Solution(By Examveda Team)
Night blindness is caused by the deficiency of Vitamin-A.Night blindness is the difficulty for the eyes to adjust to dim light. Affected individuals have poor vision in the darkness but see normally when adequate light is present.
Vitamin A deficiency (VAD) or hypovitaminosis A is a lack of vitamin A in blood and tissues.
Vitamin A deficiency is the most common cause of blindness in developing countries. The WHO estimated in 1995 that 13.8 million children had some degree of visual loss related to VAD.
Related Questions on Animal Husbandry
Which of the following vitamins remains most resistant on heat treatment of milk
A. Vitamin A
B. Vitamin C
C. Vitamin K
D. Vitamin E
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