Pollen tablets are available in the market for

Identify each part in a flowering plant and write whether it is haploid $(n)$ or diploid $(2n)$.
$(a)$ Ovary . . . . . .
$(b)$ Anther . . . . . .
$(c)$ Egg . . . . . .
$(d)$ Pollen . . . . . .
$(e)$ Male gamete . . . . . .
$(f)$ Zygote . . . . . .

$A$ : Continued self-pollination checks inbreeding depression.
$R$ : Pollen release and stigma receptivity are synchronised.

Which of the following is incorrect in angiosperm?

Although sexual reproduction is a long-drawn,energy-intensive complex form of reproduction,many groups of organisms in Kingdom Animalia and Plantae prefer this mode of reproduction. Give at least three reasons for this.

Gametes formed by meiosis are called