Medicines facts Selected as the most interesting among biology related questions in Biology quiz Is cold treated with antibiotics? No, never. A cold is an infection caused by viruses, while antibiotics have only antibacterial and/or antifungal effect. That's why they don't work efficiently against viral infections. Marianna Pasińska Share and bring new players to the game! Correct this question 0 Very uninteresting Too difficult Poorly written Incorrect or questionable Correct this question 3 Very interesting! biology facts Which letter is used as a vitamin name? K. By convention, there are vitamins A, B, C, D, E and K. Flavonoids were referred to as Vitamin P from the mid-1930-s to early 50s, and this name is still sometimes used. София Share and bring new players to the game! Correct this question 0 Very uninteresting Too difficult Poorly written Incorrect or questionable Correct this question wikipedia → Vitamin 0 Very interesting! vitamins facts Play and see more questions Biology quiz