In which forms are the Protista visible?

These are simple,predominantly aquatic,unicellular,eukaryotic organisms.

Murein is not found in the cell wall of

Dinomitosis occurs in ..........

Which of the following statements are correct about slime moulds?
$(i)$ Its thalloid body,Plasmodium,has pseudopodia for locomotion and engulfing organic matter.
$(ii)$ During unfavourable conditions,Plasmodium differentiates and produces fruiting bodies,sporangia.
$(iii)$ Spores possess no true cell wall.
$(iv)$ They are dispersed by air currents.
$(v)$ Being extremely resistant,spores survive for many years.
$(vi)$ Plasmodium can grow up to several feet.
Choose the correct answer from the following options:

The rejuvenescent spore of a diatom is: