This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Sporicidal disinfectant is following except : 
Select and explain. 
A. Glutaraldehyde, B. Formaldehyde, C. Ethylene oxide, D. Benzalkonium chloride
D: Benzalkonium chloride
Answer: D: Benzalkonium chloride 
Explanation: Sporicidal agents are : 
E – Ethylene oxide 
F – Formaldehyde 
G – Glutaraldehyde 
H – Halogens (moderate action on spores)