Vitamins - Practice Questions & MCQ

It has been observed that certain organic compounds are required in small amounts in our diet but their deficiency causes specific diseases. These compounds are called vitamins.

• They are the chemical substances that are needed in small amounts for the growth of human beings.
• They can’t be synthesized in our body therefore need to take from outsource.
• Their deficiency can cause one or other types of diseases.

Vitamins are classified into two groups depending upon their solubility
in water or fat.
(i) Fat soluble vitamins: Vitamins which are soluble in fat and oils but insoluble in water are kept in this group. These are vitamins A, D, E and K. They are stored in liver and adipose (fat storing) tissues.
(ii) Water soluble vitamins: B group vitamins and vitamin C are soluble in water so they are grouped together. Water soluble vitamins must be supplied regularly in diet because they are readily excreted in urine and cannot be stored (except vitamin B12) in our body.

The following vitamins with their function and deficiency disease are listed below:

The diseases caused by them with their symptoms: