<prompt> Sharp instrument should be disposed in: September 2005Blue bagRed bagBlack begYellow bag  <response>: Ans. A: Blue bag The different waste groups have different colours for the containers and bags for the identification according to the hazards and applied throughout the complete disposal chain segregation, collection, storage, transpo, disposal: Warning colors for hazardous waste Red, yellow, orange Positive colors for recycling Blue, green, etc. Neutral colors for normal waste Black, etc. The colour coding makes the process understandable even for low-skilled workers with language and read problems. Yellow Plastic bags - Category 1-human anatomical waste, - Category 2- animal waste, - Category 3- microbiology waste, Category 6- soiled waste. Red Disinfected container plastic bags - Category- 3 Microbiological waste - Category 6-soiled waste - Category 7- solid waste Waste IV tubes catheters, etc. BlueWhite Plastic bagpuncture proof containers - Category 4- sharp waste - Category 7-plastic disposable tubings, etc. Black -Plastic bagpuncture proof containers - Category 5- discarded medicines - Category 9- incineration ash - Category 10- chemical waste 