This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
The conversion of an optically pure isomer into a mixture of equal amounts of both dextro and levo forms is called as- 
Select and explain. 
A. a) Polymerization, B. b) Stereoisomerism, C. c) Racemization, D. d) Fractionation
C: c) Racemization
Answer: C: c) Racemization 
Explanation: Racemic Mixture - Equimolar mixture of optical isomers which has no net reaction of plane polarized light.