$A$ living $Amoeba$ is:

The diatom frustule or shell is made of:

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

$A$: Holophytic protistans are important phytoplanktons and they contribute $80\%$ of the total photosynthesis.
$R$: They lack chemosynthetic nutrition and utilize non-sulphur organic compounds as the source of electron and proton in carbon assimilation.

In Euglenoids, the stored food is $Paramylum$, which is a .........

The $Plasmodium$ $vivax$,$Plasmodium$ $malariae$,and $Plasmodium$ $falciparum$ responsible for malaria are ........ .