WASTE MANAGEMENT QUIZ 21

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Question 1:

In the beginning phase of composting, which of the following bacteria is most prevalent?

Mesophilic bacteria

Thermophilic bacteria

Actinomycetes

Both 1 and 3

In double liner landfill system , which of the following acts as a leak detection system?

Upper liner

Lower liner

Middle liner

Primary liner

Alkalinity is caused due to

hydroxide ion

carbonate ion

bicarbonate ion

All of these

Which one of the following hospital waste is non-hazardous?

General waste

Radioactive waste

Pathological waste

Infectious waste

Which of the following is the most preferred option for waste management in the ISWM hierarchy?

At source reduction and reuse

Landfills

Composting

Recycling