Microbiology General 52273733 Percentage of glutaraldehyde used ? A 1% B 2% C 3% D 4% High-Yield Explanation Ans. is 'b' i.e., 2% 2% Glutaradehyde (cidex) is an aldehyde disinfectant with a broad spectrum of action against bacteria, fungi, viruses, as well as spores (slow action).