This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
False about Giardia lambia is 
Select and explain. 
A. Quadrinucleate cyst is infective form, B. Cysts can survive in water upto 3 months, C. Trophozoite has Axostyle to Adhere to surfaces., D. Exhibits falling leaf motility
C: Trophozoite has Axostyle to Adhere to surfaces.
Answer: C: Trophozoite has Axostyle to Adhere to surfaces. 
Explanation: Trophozoite has sucking disc to adhere to surfaces.