Which of the following is true regarding sperm ?
Fertilizin: For penetrating egg membrane
Hyalurodinase: For penetrating egg membrane
Acrosin: Dissolves corona radiata
Capacitation: Takes place in penis
A hatching egg of chick is covered by plaster of paris. It is harmful for
Fertilization is fusion of
After implantation, finger-like projections on the trophoblast are called $...A....$ which are surrounded by $...B..$ and maternal blood. Here $A$ and $B$ refers to
Blood flowing in umbilical cord of mammalian embryo is
Placenta acts as an endocrine tissue and produces several hormones like
$A.$ Human chorionic gonadotropin $(hCG)$
$B.$ Human placental lactogen $(hPL)$
$C.$ Estrogens
$D.$ Progesterone