Multiple choice

Which of the following were respectively the first and the last vitamins to be discovered?

  1. Vitamin A and Vitamin B9

  2. Vitamin A and Vitamin B1

  3. Vitamin C and Vitamin D

  4. Vitamin A and Vitamin B3
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vitamin A and Vitamin B9 were the first and the last vitamins discovered, respectively. Vitamin A was discovered in 1913 and vitamin B9 was discovered in 1941.

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