Question

Cheilosis and digestive disorders are due to the deficiency of
A ) thiamine
B ) ascorbic acid
C ) riboflavin
D ) pyridoxine

Answer 1

Hint: Vitamin deficiencies cause several disorders. Some of vitamin deficiency syndromes include cheilosis and digestive disorders. The deficiency of vitamin $B_2$ causes Cheilosis and digestive disorders.

Complete answer:
A balanced diet should provide required amounts of vitamins and minerals. However, if less than required amount of vitamins and minerals is obtained from diet over a long period of time, certain deficiency diseases arise. These deficiency diseases can be cured by either eating a balanced diet or by taking vitamin supplements. Cheilosis and digestive disorders are some examples of vitamin deficiency diseases.
The cracking of the lips and the corners of the mouth are known as Cheilosis. When food is not properly digested, it is said the digestive disorder happens.
The deficiency of riboflavin causes these disorders. The chemical formula of riboflavin is \[{{\text{C}}_{{\text{17}}}}{{\text{H}}_{{\text{20}}}}{{\text{N}}_{\text{4}}}{{\text{O}}_{\text{6}}}\]. Riboflavin is also known as vitamin $B_2$.

Hence, the correct answer is the option C ) riboflavin.

Additional Information: The deficiency of thiamine (vitamin $B_1$) causes beri-beri. The deficiency of ascorbic acid (vitamin C) causes scurvy.
The deficiency of riboflavin, causes retarded growth, bad skin, Cheilosis and digestive disorders. The deficiency of pyridoxine causes health problems and affects nerves, skin, circulation system and mucous membranes.
To avid deficiency diseases, eat a balanced diet. A balanced diet is necessary to ensure good health and well being. To prevent deficiency disease, eat simple, wholesome food. This food includes groundnuts, soybean, pulses,etc. Avoid prolonged cooking as it destroys essential nutrients. Also avoid eating undercooked food. Do not keep out fruits and vegetables for a longer period of time.

Note: When essential nutrients, such as vitamins and minerals are present in the diet in lesser than required amounts, for a long period of time, then it leads to deficiency diseases. The deficiency of each type of vitamin causes different deficiency diseases. Prevention of deficiency disease includes eating a proper balanced diet, and/or taking vitamin supplements after consultation from a doctor.