Which of the following Vitamin helps in clotting of blood?

A. Vitamin B

B. Vitamin A

C. Vitamin D

D. Vitamin K

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Which of the following vitamins are fat soluble?

A. Vitamins A,B, C, D
B. Vitamins A, D, E, K
C. Vitamins A, B, C, D
D. None of these

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Proteins are made of

A. Sugar

B. Fatty acid

C. Nucleic acid

D. Amino acid

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The unit of energy produced by food in the human body is called

A. Watt
D. DNA
C. Calorie
B. Ampere

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