This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
KOH wet mount is used for diagnosis of - 
Select and explain. 
A. Bacteria, B. Virus, C. Fungus, D. Parasite
C: Fungus
Answer: C: Fungus 
Explanation: Ans. is 'c' i.e., Fungus * Tissue specimens such as skin scarpings, are generally examined as wet mounts after treatment with 10% KOH.* KOH (alkali) digests cells and other tissue materials, enabling the fungus elements to be seen clearly.