Question

Fat soluble vitamins have all the following characteristics except: They are organic Are absorbed into the lymph system All are synthesized by the body Are stored in large quantities

Answer 1

The statement All are synthesised ​​​​​​by the body ​​​​​​is false​​​​​​, hence third option is the answer.

An organic compound is one which has carbon in it's structure. All vitamins are organic in nature. Hence the first statement is true.

Fat soluble vitamins include vitamin A, vitamin D, vitamin E and vitamin K. There are called fat soluble as they are lipid soluble (lipophilic and hydrophobic). Since they are lipid soluble, they are absorbed along with lipids in the small intestine through micelle formation through lacteals. These lacteals drain into the lymphatic system. Hence the second statement is true.

Of the four fat soluble vitamins, only vitamin D can be synthesised by our body independently. Vitamin K is mostly synthesised by the gut bacteria while vitamins A & E have to be taken in through dietary means only. Hence the third statement is false.

Unlike water soluble vitamins B & C which are not stored in the body. All fat soluble vitamins are stored in our liver. Hence the fourth statement is also true.

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