Trichocysts occur in

The function of the contractile vacuole in $Amoeba$ is:

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?

Write a short note on Slime Moulds.

Select the incorrect statement.

Presence of two types of nuclei,micronucleus and macronucleus,is characteristic of which protistan group?