Question

Explain the meaning of sexually transmitted diseases Give the two example of sexually transmitted diseases Each caused due to a)bacterial infection b) viral infection State in brief how the spread of such disease may be prevented {CBSE 2012}

Answer 1

sexually transmitted diseases are those which spread through sexual intercourse..
examples: HIV causes AIDS in human
syphilis

Answer 2

any of various diseases or infection that can be transmitted by direct sexual contact including some chiefly spread by sexual means and other often contracted by nonsexual means

example: Genital wart, Gonorrhoea, syphilis, Chlamydia infection etc.