List of top Biochemistry Questions on Vitamins

The deficiency of which of the following vitamins causes increased fragility of red blood cells and muscular weakness?

Identify the steps in the formation of vitamin \(\text{D}_{3}\):

A. Vitamin \(\text{D}_{4}\) \(\rightarrow\) 25-Hydroxycholecalciferol

B. Provitamin \(\text{D}_{3}\) \(\xrightarrow{\text{Sunlight}}\) Vitamin \(\text{D}_{3}\)

C. 7-Dehydrocholesterol \(\xrightarrow{\text{Sunlight}}\) Provitamin D

D. 25-Hydroxycholecalciferol \(\rightarrow\) Vitamin \(\text{D}_{3}\)

Choose the correct answer from the options given below:

Different forms of Vitamin A are: A. Retinal (Vitamin A aldehyde) B. Retinyl Palmitate (Vitamin A acid) C. Retinol (Vitamin A alcohol) D. Retinyl ester (Vitamin A ester) E. $\beta$-carotene (provitamin A) Choose the correct answer from the options given below:

A person is eating polished rice throughout his life, deficiency of which vitamins he/she is likely to have?

Which of the following is the richest source of vitamin B12?