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
Normal commensal in female genital tract ? 
Select and explain. 
A. Gardenella vaginalis, B. Bifidobacter, C. Proteus, D. Neisseria
A: Gardenella vaginalis
Answer: A: Gardenella vaginalis 
Explanation: Ans. is `a' i.e., Gardenella vaginalis Resident commonsal in Vagina are lactobacillus, streptococcus, prevotella, coagulase negative staphylococci, Gardenella vaginalis and actinomyces.