MCQ SWM
Q. Which gas produced in open dumps from the decomposition of biodegradable waste? a) Ethane b) Methane c) Propene d) Ethene Answer : b Explanation : Methane is released by the decomposition under anaerobic conditions. This can cause fires and explosions and promote global warming too. Q. The WHO has classified the bio-medical waste into ___________ categories. a) 5 b) 4 c) 3 d) 2 Answer : b Explanation : The WHO has classified these into 4 categories- infectious (waste from surgeries and any material containing pathogens), pathological (tissues/organs/drugs, etc which are not required), radioactive (contaminated with a radioactive substance) and others (waste from hospital housekeeping/kitchen). Q. How many types of landfills are there? a) 3 b) 2 c) 5 d) 4 Answer : a Explanation : They are sanitary landfills, controlled dumps and bioreactor landfills. Sanitary landfills are the most common and are situated where the land features aid in decomposition. Controlled dumps are well planned...