Which of the Following Has Four Pairs of Flagella

Question

Which of the following has four pairs of flagella?
A)Naegleria fowleri
B)Toxoplasma gondii
C)Balantidium coli
D)Giardia lamblia
E)Entamoeba histolytica

Accepted Answer

Giardia lamblia has four pairs of flagella, which are used for motility and attachment to host cells. Naegleria fowleri and Entamoeba histolytica have a single flagellum, while Balantidium coli and Toxoplasma gondii do not have flagella at all.