Which of the following vitamin deficiency causes Beriberi?

Q. Which of the following vitamin deficiency causes Beriberi?
A. Vitamin B1
B. Vitamin B2
C. Vitamin B6
D. Vitamin B12
Answer: Vitamin B1.

A. Vitamin B1
B. Vitamin B2
C. Vitamin B6
D. Vitamin B12
Answer: Vitamin B1.