This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste, disaster management and occupational health, Subject name: Social & Preventive Medicine
According to biomedical waste, which of the following bags can be incinerated? 
Select and explain. 
A. Red, B. Blue, C. Green, D. Yellow
D: Yellow
Answer: D: Yellow 
Explanation: Ans. d (Yellow) (Ref. Park PSM 22nd/, 738)# Direct incineration means waste burnt without separation, while Indirect means disposition after separation. Incineration is also known as PYROLYSIS.# It is method of choice for disposal of solid wastes where suitable land is not available.# Items in yellow bag are incinerated.# Waste is shaded into fine particles and heated at about 800degC in absence of air or at low O2 atmosphere - waste is reduced to ash --which is disposed like ordinary waste.# Plastic, rubber, Hg thermometers should not be incinerated.Disposal of biomedical wastes/ Hospital garbageColor of bagWaste categoryTreatmentBlue (Puncture- proof container)Needles, syringes, scalpelAutoclaving/microwavingChemical treatment and destruction/shreddingYellowBody fluids/parts (Human anatomical wastes/ animal wastes, microbiological and solid wastes)Incineration/deep burialRedTubings, catheters, IV sets, Cotton, dressing and blood-stained material.Autoclaving/microwaving, Chemical treatmentBlackIncineration ash, Chemicals,Discarded medicines/cytotoxic drugs.Disposal in secured landfill