<prompt> The differentiating feature of Neisseria gonococcus from Neisseria meningitidis isLactose fermentationMaltose fermentationMannitol fermentationSucrose fermentation  <response>: Gonococci resemble meningococci except that they acidify only glucose and not maltose in serum sugars while meningococci acidify both. Ref: Textbook of microbiology; Ananthanarayan and panikers; 10th Edition; Pg:234 