All are the sexually transmitted diseases except :–A Syphillis B Gonorrhoea C Hepatitis–B D Polio

To determine which of the given options are sexually transmitted diseases, we need to analyze each option individually.

Option A: Syphilis Syphilis is indeed a sexually transmitted disease, as it is primarily transmitted through sexual contact.

Option B: Gonorrhea Gonorrhea is also a sexually transmitted disease, as it is primarily transmitted through sexual contact.

Option C: Hepatitis-B Hepatitis-B is not typically considered a sexually transmitted disease. While it can be transmitted through sexual contact, it can also be transmitted through other means such as sharing needles or from mother to child during childbirth.

Option D: Polio Polio is not a sexually transmitted disease. It is primarily transmitted through contaminated food and water or through direct contact with an infected person's feces.

Therefore, the sexually transmitted diseases among the given options are Syphilis (Option A) and Gonorrhea (Option B).