question_answer 47)

  In human males, the testes lie in the scrotum, because it helps in the (a) process of mating                                                     (b) formation of sperm (c) easy transfer of gametes                                       (d) Ail of these

Answer:

                  (b) Formation of germ cells or sperms takes place in the testes and it lies in the scrotum .In the scrotum (outside the abdominal cavity), the temperature is about 3°C lower than the temperature of the body. Testes lie in scrotum because the sperm formation require a lower temperature than the normal body temperature.