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
Rhinosporidium seeberi belongs to: 
Select and explain. 
A. Fungus, B. Bacteria, C. Aquatic protistan protozoa, D. Virus
A: Fungus
Answer: A: Fungus 
Explanation: Ans. (a) Fungus Ref Ananthanaravan' 7/e; p 603 Rhinosporiduim seeberi Lower aquatic fungi forming spores Natural habitat is reservoir water and perhaps soil contaminated with that water. Once infected organism produce a polypoidal mass lesion in the affected area, commonest site being nose, nasopharynx, tonsil, eye. Diagnosis: Can not be cultivated in aificial media. Histologically the lesion is composed of large number of fungal spores embeded in stroma of connective tissue and capillaries. Treatment: Excison of the polyp is the treatment of choice.