Which of the following groups includes STDs caused by bacteria
Syphilis , Gonorrhoea
AIDS , Syphilis
Syphilis , Hepatitis B
Hepatitis B , AIDS
Syphilis is caused by bacterium Treponema pallidum. Gonorrhoea is caused by bacterium Neisseria gonorrhoeae. AIDS and Hepatitis B are viral diseases.
Hence, the correct option is (a).