The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In National Water Supply and Sanitation programme a problem village is defined as all except?   (A) Distance of safe water is greater than 1.6 Km   (B) Water is exposed to the risk of cholera   (C) Water source has excess iron and heavy metals   (D) Water infested with Guniea worm
['(D) Water infested with Guniea worm <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Distance of safe water is greater than 1.6 Km \n (B) Water is exposed to the risk of cholera \n (C) Water source has excess iron and heavy metals \n (D) Water infested with Guniea worm <> possible answers', '  In National Water Supply and Sanitation programme a problem village is defined as all except? <> context@']