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
Thayer Martin is a selective medium for 
Select and explain. 
A. Neisseria gonorrhoeae, B. Streptococcus pyogenes, C. Streptococcus agalactiae, D. Streptococcus pneumoniae
A: Neisseria gonorrhoeae
Answer: A: Neisseria gonorrhoeae 
Explanation: Thayer Martin medium is the selective medium for Neisseria gonorrhoeae.
There are no specific selective media for Streptococcus pyogenes, Streptococcus agalactiae and Streptococcus pneumoniae.
All these three organisms are fastidious and are therefore usually cultured on blood agar/ chocolate agar.