The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which is not true about vibrio cholera   (A) It is non-halophilic   (B) Grows on simple media   (C) Man is the only natural host   (D) Cannot survive in extracellular environment
['(D) Cannot survive in extracellular environment <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) It is non-halophilic \n (B) Grows on simple media \n (C) Man is the only natural host \n (D) Cannot survive in extracellular environment <> possible answers', '  Which is not true about vibrio cholera <> context@']