Find out the suitable words

Find out the suitable words.
(a) Ginger : Rhizome :: Water hyacinth :
(b) Binaiy fission : Amoeba :: Multiple fission :
© Penicillium : Conidia :: Sponges … …

(a) Ginger: Rhizome :: Water hyacinth : Offset
(b) Binary fission : Amoeba :: Multiple fission :
Plassmodium
© Penicillium : Conidia :: Sponges: Gemmules.