The cyst wall of $Euglena$ is formed of:

Describe the body organisation of chrysophytes.

Which of the following is not true for $Euglena$?

Which one of the following is not a protozoan protist?

Which of the following are the characters of dinoflagellates?
$(i)$ They are planktonic golden yellow algae with soap box like structure.
$(ii)$ They are marine biflagellated protista.
$(iii)$ They appear yellow,green,brown,blue and red in colour.
$(iv)$ The cell wall has stiff cellulose plates on the outer surface.
$(v)$ They are saprophytic (or) parasitic unicellular forms.

The class of $Trichonympha$ is: