<prompt> Dissociative anaesthesia is produced by - PGI 99KetamineEtomidatePropofolThiopentone  <response>: Ans. is a i.e., Ketamine Dissociative anaesthesia is characterized by profound analgesia, immobility, amnesia with light sleep and feeling of dissociation from once own body and the surroundings Cataleptic state. Ketamine phencyclidine induces dissociative anaesthesia. 