Microbiology Efficacy of Moist Heat Sterilization is tested by using the Spores of A Bacillus stearothermophilus B Clostridium tetani C Bacillus subtilis D Clostridium botulinum 💡 Explanation Efficacy of Moist Heat Sterilization is tested by using the Spores of ✓ Correct Answer: A. Bacillus stearothermophilus