This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of the Cornea, Subject name: Ophthalmology
Intact cornea can be penetrated by - 
Select and explain. 
A. Gonococcus, B. Pseudomonas, C. Streptococcus, D. Pneumococcus
A: Gonococcus
Answer: A: Gonococcus 
Explanation: Ans. is 'a' i.e., Gonococcus o The organisms which can penetrate intact corneal epithelium are Neisseria gonorrhoea, Haemophilus aegyptus, corynebacterium diphtheriae, Listeria species and Neisseria meningitidis.