What is maintained in organisms through the process of reproduction?

Which of the following pairs is correctly matched?
$(i)$. Fungi - Regeneration
$(ii)$. Mosses - Fragmentation
$(iii)$. Planaria - Budding

Which of the following statements support the view that elaborate sexual reproductive processes appeared much later in organic evolution?
$I.$ Lower groups of organisms have complex body design
$II.$ Asexual reproduction is common in lower groups
$III.$ Asexual reproduction is common in higher groups of organisms
$IV.$ High incidences of sexual reproduction are visible in angiosperms and vertebrates

Identify the mismatched pair with respect to reproduction.

In diploid organisms,the gamete-producing cells are called:

What would be the number of chromosomes in the meiocyte and gamete of an onion, respectively?