When a species of an organism cannot form a zygote but the zygote survives, the phenomenon is known as</h2></di…

The female literacy is highest in __________.</h2></div>

Who invented the contraceptive pill?</h2></div>

Suggest any four methods that are used for birth control. State the basic principles involved in each.</h2></di…

Embryo with more than 16 blastomere formed due to in vitro fertilization is transferred into<span><br> </…

Enumerate and describe any five reasons for introducing sex education to school-going children. <span>&lt…

State any two reasons responsible for the cause of infertility.</h2></div>

What do you mean by STDs? Describe Gonorrhoea and Syphilis.</h2></div>