<prompt> Biodegrable waste products, disposing in which of the colour code of the bags -BlueBlackGreenYellow  <response>: - human anatomical wastes including human tissues , organs and body pas comes under category no.1. - category no 1 wastes are discarded in yellow colour plastic bag. Reference: Parks textbook of preventive and social medicine, 23rd edition, pg no: 793,794 p 