Q. ABO blood group system is given by

A) Landsteiner
B) Wallace
C) de Vries
D) Lamarck
Explanation

The correct answer is Option A: Landsteiner.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.