The origin of kidney and ureter in Rana tigrina is
All mesodermal
All endodermal
Ectodermal and mesodermal
Mesodermal and endodermal
Sperm’s acrosome has
By the contraction of spermatic cord the testis of man are not taken to the abdominal cavity. It is due to the following structure
Testosterone is produced (Synthesised) by
Function of fertilizin is/are
Which of these sets of cells divide slowly