Social & Preventive Medicine Which of the following is considered as an ideal bacteriological indicator as acceptability aspect of water: March 2013 (d) A Clostridium tetani B Clostridium botulinum C Clostridium perfringenes D All of the above 💡 Explanation Which of the following is considered as an ideal bacteriological indicator as acceptability aspect of water: March 2013 (d) ✓ Correct Answer: C. Clostridium perfringenes