SELECT * FROM question_mgmt as q WHERE id=1656 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=69 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th chemistry Biomolecules why are vitamin a and vitamin c essential to us g

Question:

Why are vitamin A and vitamin C essential to us? Give their important sources.

Answer:

The deficiency of vitamin A leads to xerophthalmia (hardening of the cornea of the eye) and night blindness. The deficiency of vitamin C leads to scurvy (bleeding gums).

The sources of vitamin A are fish liver oil, carrots, butter and milk. The sources of vitamin C are citrus fruits like amla, oranges etc.


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