Which of the following $STDs$ is caused by the human papilloma virus $(HPV)$ and is transmitted through intimate contact with an infected person?

Chlamydia,trichomoniasis and syphilis are . . . . . . diseases.

How many of the following diseases are included in $STDs$?
Gonorrhoea,Syphilis,Genital herpes,Chlamydiasis,Genital warts,Cancer,Trichomoniasis,Hepatitis-$B$,$AIDS$,Typhoid,Malaria

Diseases which are transmitted through sexual intercourse are collectively called:

Syphilis is an infectious bacterial disease caused by $Treponema\ pallidum$ with $3$ stages:
$(A)$ Infectious painless ulcers on the genitals $\quad(i)$ First
$(B)$ Blindness, heart trouble, aortic impairment $\quad(ii)$ Second
$(C)$ Skin lesions, hair loss, swollen joints $\quad(iii)$ Third
Which of the following is the correct match between the symptoms and stage?

Which of the following is an important detection technique for syphilis?