This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Inspissation is used for - 
Select and explain. 
A. Sputum, B. Protein containing culture medium, C. Serum containing culture medium, D. Plasma sterilization
B: Protein containing culture medium
Answer: B: Protein containing culture medium 
Explanation: Ans. is "b' i.e., protein containing culture medium Inspissationo It is heat exposure method that is employed with high protein material, like egg containing media, that cannot withstand the high temperature used in autoclaving,o The medium is exposed to 80degC for 30 minutes for three successive days in inspissator.o It can be used for LJ medium and loeffler serum slop.