Release of spermatozoa from the urethra by male animals is called:

$A$ single ejaculation contains $...A...$ to $...B...$ million spermatozoa. Semen has a pH of $...C...$ to $...D...$. Its alkalinity helps to neutralize the acidity of the urethra. Here $A, B, C$ and $D$ refer to:

The sex of a fetus can be determined by examining the cells of the amniotic fluid for the presence of:

Match the following columns and select the correct option.

Column $I$	Column $II$
$(a)$ Ovary	$(i)$ Human chorionic Gonadotropin
$(b)$ Placenta	$(ii)$ Estrogen and Progesterone
$(c)$ Corpus luteum	$(iii)$ Androgens
$(d)$ Leydig cells	$(iv)$ Progesterone only

The female rabbit is classified as which of the following?

Match the following and choose the correct answer:-

$A$. Implantation	$i$. Vagina
$B$. Capacitation	$ii$. Ovary
$C$. Folliculogenesis	$iii$. Uterus
$D$. Fertilisation	$iv$. Fallopian tube