Solid Waste Management(General Knowledge > General Science ) Questions and Answers

Question 1. Why is it difficult to recycle plastics?
  1.    It is very hard
  2.    It comes in different sizes
  3.    It is adhesive
  4.    It contains different types of polymer resins
Explanation:-
Answer: Option D. -> It contains different types of polymer resins
Question 2. Waste removal system was established in which of the following cities for the first time?
  1.    Athens
  2.    Lahore
  3.    Paris
  4.    London
Explanation:-
Answer: Option A. -> Athens
Question 3. A process in which mixed garbage is burned at very high temperatures is:
  1.    recovery
  2.    incineration
  3.    leachate
  4.    source reduction 
Explanation:-
Answer: Option B. -> incineration
Question 4. Cannot be broken down by biological processes
  1.    plant waste
  2.    paper
  3.    plastic
  4.    yard waste
Explanation:-
Answer: Option C. -> plastic
Question 5. From 1970 to the present, the percentage of waste that is recycled has
  1.    increased from 6.6% to 28%
  2.    decreased from 28% to 6.6%
  3.    decreased from 28% to 19.6%
  4.    remained the same
Explanation:-
Answer: Option A. -> increased from 6.6% to 28%
Question 6. It also means you do not have to buy a new product because discarded items are used again
  1.    REUSE
  2.    REDUCE
  3.    RECYCLE
  4.    none of these
Explanation:-
Answer: Option A. -> REUSE
Question 7. Where do you throw a Tim Hortons cup?
  1.    In the garbage
  2.    In the recycling
  3.    In the compost
  4.    None of the above
Explanation:-
Answer: Option A. -> In the garbage
Question 8. Which one of the following is NOT a method for handling non-biodegradable solid waste?
  1.    burning
  2.    burying
  3.    recycling
  4.    composting
Explanation:-
Answer: Option D. -> composting
Question 9. The three main categories of waste include municipal solid waste, hazardous waste, and:
  1.    industrial waste 
  2.    radioactive waste 
  3.    wastewater
  4.    green waste
Explanation:-
Answer: Option A. -> industrial waste 
Question 10. Wastes that has substantial or potential threats to public health or the environment
  1.    Urban waste
  2.    Industrial waste
  3.    Hazardous waste
  4.    none of the above
Explanation:-
Answer: Option C. -> Hazardous waste
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