This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
Following is not a sexual perversion - 
Select and explain. 
A. Sadism, B. Masochism, C. Undinism, D. Bestiality
D: Bestiality
Answer: D: Bestiality 
Explanation: Ref: Textbook of forensic medicine and toxicology (V.V.Pillay) 17th edition , page no. 411 Bestiality is unnatural sexual offence involves sexual intercourse with a lower animal. The animals mainly selected include cows, mares, bitches, female sheep etc.(by males) and bulls horse, dogs, dogs, and male sheep(by female).