Cell division itself is a mode of reproduction in

$A -$ The number of chromosomes in human reproductive cells is $2n$.
$R -$ All organisms perform asexual reproduction.

Which one of the following is correctly matched?

Identify the figures $a, b,$ and $c$ respectively.

Which of the following statements is not correct about sexual reproduction?
$(I)$ Gametes fuse to form the zygote.
$(II)$ It is an elaborate,complex,and fast process compared to asexual reproduction.
$(III)$ Offspring are not identical to the parents.

In $Ophioglossum$ (a fern),the chromosome number in a gamete is ..... and in potato,the chromosome number in a gamete is ....