In which of the following kingdoms is the plant body differentiated into holdfast,stipe,and frond?

Which of the following is not true for $Euglena$?

Suppose you accidentally find an old preserved permanent slide without a label. In your effort to identify it,you place the slide under a microscope and observe the following features:
$(a)$ Unicellular
$(b)$ Well-defined nucleus
$(c)$ Biflagellate - one flagellum lying longitudinally and the other transversely.
What would you identify it as? Can you name the kingdom it belongs to?

Trichocysts occur in

Mode of nutrition in $Amoeba$ is

Which of the following organisms possesses two nuclei?