Which of the following organisms possesses a shell around its body?

Which of the following groups is considered to have evolved from Protista?

Which organism is considered a connecting link between plants and animals?

Match the type of protozoans given in column-$I$ with their examples given in column-$II$ and choose the correct option.

Column-$I$ (Type of Protozoans)	Column-$II$ (Examples)
$A$. Amoeboid protozoans	$I$. Paramecium
$B$. Ciliated protozoans	$II$. Plasmodium
$C$. Flagellated protozoa	$III$. Amoeba
$D$. Sporozoans	$IV$. Trypanosoma

Give scientific reasons: Euglena is also called a plant-animal.

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.