List of top Science Questions on Human Reproduction asked in Bihar Board X

Testosterone is secreted by
At what stage of foetus does safe abortion occur?
The hormone that controls the symptoms of puberty in adolescents is

The changes that occur during adolescence are called
 

Which of the following is an effective measure used in family planning?
Write about five important sexually transmitted diseases, their causal pathogens, and symptoms.
Which of the following is the male gamete?