This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Defect most commonly occuring in congenital rubella is - 
Select and explain. 
A. Cataract, B. Deafness, C. Microcephaly, D. Blindness
A: Cataract
Answer: A: Cataract 
Explanation: A cataract is the most common defect in congenital rubella REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.555