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6 . Vitamin D activates enzymes
A. 25 B. 50
C. less than 100
D. more than 100

7 . Vitamins which are not stored in body are called
A. fats
B. minerals
C. fat soluble vitamins
D. water soluble vitamins

8 . Vitamin which doesn't act as a coenzyme is
A. Vitamin B B. Vitamin B 1
C. Vitamin B 2 D. Vitamin C

9 . Non toxic vitamins include
A. vitamin B complex B. vitamin C
C. both (a) and (b) D. none of above

10 . Number of water soluble vitamins is
A. 3 B. 5
C. 7 D. 9