Mark the incorrect statement.

Where does the structural transformation of sperm occur?

What is the cause of pseudopregnancy?

The hormone that maintains the secretory activity of the corpus luteum as well as the increase in the size of the mammary glands is

Identify the $CORRECT$ match from the Columns $I$,$II$ and $III$.

$I$	$II$	$III$
$1$. Interstitial cells	$a$. Cortex of ovary	$i$. Follicular fluid
$2$. Sertoli cells	$b$. Ovarian follicle	$ii$. Progesterone
$3$. Granulosa cells	$c$. Testis	$iii$. Attachment of sperm bundle
$4$. Cells of corpus luteum	$d$. Seminiferous tubules	$iv$. Testosterone

$A.$ Humans reproduce .....
$B.$ Humans are $\ldots \ldots$
$C.$ Fertilization is .... in humans
$D.$ Male and female gametes are .....
$E.$ Zygote is .....
$F.$ The process of release of ovum from a mature follicle is called .....
$G.$ Ovulation is induced by a hormone called ......
$H.$ The fusion of male and female gametes is called .......
$I.$ Zygote divides to form ... which is implanted in the uterus
$J.$ The structure which provides vascular connection between the foetus and uterus is called ......
Fill in the blanks in the statements $A$ to $J$ above.