Multiple choice Which of the following is a pair of diseases caused by Gram-positive bacteria? Gonococcal urethritis and Hansen’s coccus spirilly Cholera and Botulism Hansen’s coccus spirilly and Listeriosis Gonococcal urethritis and Cholera Gonococcal urethritis and Listeriosis Reveal answer Fill a bubble to check yourself C Correct answer Explanation This option is correct because Hansen’s coccus spirilly is a disease caused by a Gram-positive bacterium Mycobacterium tuberculosis and Listeriosis is a bacterial infection most commonly caused by Listeria monocytogenes (Gram-positive bacterium).