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) all the above
Answer: B
Solution:
Testes is present in a muscular bag called as scrotum which lies outside the body cavity. Testes help in the formation of sperms because the sperm production requires lower temperature than the body.