Which of the following is NOT a sexually transmitted disease?

The correct answer is Option (3) → Cirrhosis

Option (1) Trichomoniasis — An STD.

Option (2) Syphilis — An STD.

Option (3) Cirrhosis — Not an STD. Cirrhosis is liver damage caused by alcohol and drug abuse.

Option (4) Chlamydiasis — An STD.

NCERT Extract:
Sexually Transmitted Infections (STIs) – “Infections or diseases which are transmitted through sexual intercourse are collectively called sexually transmitted infections (STI) or venereal diseases (VD) or reproductive tract infections (RTI). Gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B and of course, the most discussed infection in the recent years, HIV leading to AIDS are some of the common STIs.”
Effects of Drug/Alcohol Abuse – “… The chronic use of drugs and alcohol damages nervous system and liver (cirrhosis).”