The process of releasing the ripe female gamete from the ovary is called
Parturition
Ovulation
Fertilization
Implantation
$A$ - Acrosome possesses mitochondria.
$R$ -Middle piece of sperm is filled with enzymes
Corpus luteum is a mass of cells found in
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
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.
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 |