The first meiotic division in the oogonium is completed when the egg is within the
Uterus
Follicle
Fallopian tube
Ovary, before it is surrounded by follicles
Match the columns.
Column $I$ | Column $II$ | ||
$(a)$ | Mens pubis | $(1)$ | Embryo development |
$(b)$ | Antrum | $(2)$ | Sperm cell |
$(c)$ | Trophoblast layer | $(3)$ | External genitals offemale |
$(d)$ | Mitochondria | $(4)$ | Graafian follicle |
Draw a labeled diagram of sperm.
Ejaculation of human male contains about $200 -300$ million sperms, of which for normal fertility ____ $\%$ sperms must have normal shape and size and at least ____$\%$ must show energetic motility.
Enzyme required for fertilization of sperm and ovum is located in the ......... of sperms.
What do you mean by the term spermateleosis