MCQ
Metagenesis refers to
  • A
    occurrence of a drastic change in form dur­ ing post­embryonic development
  • B
    presence of a segmented body and parthe­ nogenetic mode of reproduction
  • C
    presence of different morphic forms
  • alternation of generation between asexual and sexual phases of an organism.

Answer

Correct option: D.
alternation of generation between asexual and sexual phases of an organism.
d
(d) : An alternation of generation between asexual and sexual phases of an organism is referred to as metagenesis. $E.g.$ in Obelia (a coelenterate), polyps reproduce asexually and medusae reproduce sexually.

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