Which of the following parasites causes the disease known as $Sleeping \text{ } Sickness$?

Which of the following is not a characteristic of dinoflagellates?

"Diatomaceous earth" (Kieselguhr) is .............

In $Amoeba$ and $Paramecium$,osmoregulation occurs through . . . . . . .

During unfavorable and favorable conditions,slime molds form $..........$ and $..........$,respectively.

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.