Microbiology Robert Koch assistant advised him to use agar instead of gelatine for solidifying culture media for cultivation of bacteria as – A Agar has more nutrition B Gelatin melts at 37°C C Gelatin is not easily available D Agar is cheaper 💡 Explanation Robert Koch assistant advised him to use agar instead of gelatine for solidifying culture media for cultivation of bacteria as - ✓ Correct Answer: B. Gelatin melts at 37°C