<prompt> Lactose fermentation is seen in?Blood agarChocolate agarMacConkey agarLJ medium  <response>: MacConkeys medium which consists of peptone, lactose agar, neutral red, and taurocholate shows up lactose fermenters as pink colonies while nonlactose fermenters are colorless or pale. This may be also termed as indicator medium REF:Ananthanarayan Panickers Textbook of Microbiology 8th Edition pg no: 41 