The class of $Trichonympha$ is:

In the five kingdom classification,Chlamydomonas and Chlorella have been included in

Which kingdom consists of unicellular eukaryotic organisms?

Which of the following statements is false?

Which one of the following can photosynthesize its food?

Select the correct option for the following statements:
$(i)$ All protozoans are heterotrophs and live as predators or parasites.
$(ii)$ $Trypanosoma$ causes sleeping sickness.