Which protist group is characterized by the presence of two flagella, one transverse and one longitudinal, situated in perpendicular grooves?

Organism without cell wall & can respire anaerobically is :

The given statements describes a group of organisms

I. The pellicle is composed of fibrous elastic protein lipid or carbohydrates and maintains a definite shape

II. They have two flagella, short and a long one. Each flagellum arises from a basal granule

III. They are connecting link between plants and animals

Which of the following group is referred here?

The given statements describes a group of organism

I. Instead of a cell wall, they have a protein rich layer called pellicle which makes their body flexible

II. They have two flagella a short and a long one

III. They are photosynthetic in the presence of sunlight, when deprived of sunlight they behave like heterotrophs by predating on other smaller organism

Which of the following group is referred here?

Which one of the following organisms is scientifically incorrectly named and incorrectly described