Which of the following belongs to the kingdom Protista?

Which of the following is true for the phylum Protozoa?

Select the correct statements for Dinoflagellates:
$I -$ Mostly found in freshwater.
$II -$ Photosynthetic.
$III -$ Possess two flagella - one longitudinal and one transverse.
$IV -$ Cell wall has stiff cellulose plates on the outer surface.
$V -$ Dinoflagellates appear in different colors.

Chromatid bodies occur in $Entamoeba$ during

The function of the contractile vacuole in $Amoeba$ is

How does $Amoeba$ react to light intensity?