Which of the following statements is incorrect?

$A$: Inhibin is secreted by the corpus luteum.
$R$: They inhibit the $FSH$ and $GnRH$ production.

$A.$ 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.

Choose the correct sequence of events occurring in human reproduction.

Identify the parts $a, b, c,$ and $d$ in the given diagram of the human mammary gland.

Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.