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SubjectsHome Science
विटामिन ए की कमी
In Class 12 Home Science, this topic explains vitamin A deficiency as a public nutrition and health concern. Students learn the role of vitamin A in vision, immunity, growth, and maintenance of body tissues, along with common causes such as inadequate dietary intake and poor absorption. The topic covers symptoms including night blindness and xerophthalmia, vulnerable groups, dietary sources, prevention through balanced meals and public health measures, and the importance of early identification and care.
TOPIC PRACTICE
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Milk can provide calcium and may be fortified with vitamin D, but its amount varies and it may not correct a significant deficiency by itself. Vitamin D status also depends on sunlight exposure, dietary sources, absorption and medical treatment when needed. Calcium and vitamin D work together for bone mineralisation.
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