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: Pediatrics
Which one of the following is not a pyridoxine dependent disorder - 
Select and explain. 
A. Homocystinuria, B. Methyl-malonic-acidemia, C. Cystathioninuria, D. Xanthurenic aciduria
B: Methyl-malonic-acidemia
Answer: B: Methyl-malonic-acidemia 
Explanation: Ans. is 'b' i.e., Methyl-malonic acidemiao For methyl malonic acidemia, Vit B1, is given.o I am not sure about option c & d.