McqMate
| Q. |
Which one of these is a communicable disease? |
| A. | Diabetes |
| B. | Diphtheria |
| C. | Arthritis |
| D. | Cancer |
| Answer» B. Diphtheria | |
|
Explanation: Diphtheria is an upper respiratory tract illness caused by Corynebacterium diphtheriae, a facultative anaerobic, Gram- positive bacterium. Diphtheria is a contagious disease spread by direct physical contact or breathing the aerosolized secretions of infected individuals. Diphtheria toxin is produced by C. diphtheriae only when infected with a bacteriophage that integrates the toxin-encoding genetic elements into the bacteria. |
|
View all MCQs in
Biology (GK)No comments yet