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प्रश्न
Define the following term:
Vitamins
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उत्तर
Vitamins: Organic compounds required in the diet in small amounts to perform specific biological functions for normal maintenance of optimum growth and health of the organism.
For example: vitamin A, deficiency of which causes night blindness.
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संबंधित प्रश्न
Vitamin ‘C’ belongs to the class of—
(a) Vitamins of aliphatic series
(b) Vitamins of aromatic series
(c) Vitamins of alicyclic series
(d) Vitamins of heterocyclic series
Why vitamin C cannot be stored in our body?
How are vitamins classified? Name the vitamin responsible for the coagulation of blood.
Why are vitamin A and vitamin C essential to us? Give their important sources.
What are the sources of Vitamin C and Vitamin K?
Which of the following B group vitamins can be stored in our body?
Match the vitamins given in Column I with the deficiency disease they cause given in Column II.
| Column I (Vitamins) | Column II (Diseases) |
| (i) Vitamin A | (a) Pernicious anaemia |
| (ii) Vitamin B1 | (b) Increased blood clotting time |
| (iii) Vitamin B12 | (c) Xerophthalmia |
| (iv) Vitamin C | (d) Rickets |
| (v) Vitamin D | (e) Muscular weakness |
| (vi) Vitamin E | (f) Night blindness |
| (vii) Vitamin K | (g) Beri Beri |
| (h) Bleeding gums | |
| (i) Osteomalacia |
The RBC deficiency is a deficiency disease of ______.
Give a reason for the following observations:
Water soluble vitamins must be taken regularly in the diet.
Assertion (A): Vitamin C cannot be stored in our body.
Reason (R): Vitamin C is fat soluble and is excreted from the body in urine.
