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
Stain with parasite having Charcot-Leyden crystals but no pus cells- 
Select and explain. 
A. Giardia, B. Taenia, C. E. histolytica, D. Trichomonas
C: E. histolytica
Answer: C: E. histolytica 
Explanation: Fecal finding in amoebiasis are:-


Positive test for heme.
Paucity (lack) of neutrophils (pus cells).
Presence of amoebic cysts or trophozoites
Charcot-Leyden crystals.

Remember
Charcot Leyden crystals are seen in

E. histolytica
Whipworm (Trichuris)
Ascaris pneumonia
Bronchial asthma