How is HPV (Human Papilloma Virus) spread?

Humans are:

Match column I with column II and select the correct option from the given codes {:(,"Column I",,"Column II"),("A.","Syphilis","(i)","Human papiloma virus"),("B.","Chancroid","(ii)","Haemophilus ducreyi"),("C.","AIDS","(iii)","Treponema pallidum"),("D.","Genital warts","(iv)","HIV"):}

What is a virus?

AIDS virus has

How did Eli Lilly Company go about preparing the human insulin? How is the insulin thus produced different from that produced by the functional human insulin gene?

How is sex determined in human beings ?