This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
Biodegradable waste products are disposed in which color bag? 
Select and explain. 
A. Blue, B. Black, C. Green, D. Yellow
D: Yellow
Answer: D: Yellow 
Explanation: Human anatomical waste (Cat 1), Animal waste (Cat 2), Microbiology and biotechnology waste (Cat 3) Solid wastes (Cat 6; Items contaminated with blood and fluids including dressings, beddings) are all disposed of in a yellow bag.