Bio-Physics (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

Practice Mode:
3.

Under the influence of sunlight, x is synthesized in our skin from y, where x and y respectively are

A: Vitamin D, cholesterol
B: Vitamin C, collagen
C: Vitamin A, retinol
D: Vitamin B, starch

The answer is: A