Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?
The cell wall which is made up of Peptidoglycan as well as lipids gets violet due to the reaction of the CV+. After the decolorization with alcohol, the lipids gets dissolved and the bacteria with higher Peptidoglycan remain violet. These are called Gram Positive bacteria.
This question is a part of GKToday's Integrated IAS General Studies Module