MICROBIOLOGY OF WASTE WATER QUIZ

Treatment of municipal water supplies is based upon

coagulation, filtration, chlorination

chlorination, filtration, coagulation

coagulation, chlorination, filtration

filtration, coagulation, chlorination

TRUE ANSWER : ?
YOUR ANSWER : ?

Biogas production is

None of these

a temperature independent process

a temperature-dependent process

an oxygen dependent process

TRUE ANSWER : ?
YOUR ANSWER : ?

Biomass

offers the consumer high quality energy with low environmental impact

is unlikely to be a major source of energy globally

provides the U.S. with about 50% of its energy

consists largely of wood, animal, and human waste

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not employed as an oxidation method?

Trickling filters

Contact aerators

Oxidation ponds

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Water testing relies on the detection of certain indicator organisms known as

acid-fast bacteria

dinoflagellates

bacteroids

coliforms

TRUE ANSWER : ?
YOUR ANSWER : ?

Composting is one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure or compost. One of the following is added to the compost to get better results?

Worms

Snakes

Bugs

Ants

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidation ponds are shallow ponds, generally designed at the depth of

2 to 40 feet

4 to 6 feet

1 to 3 feet

5 to 8 feet

TRUE ANSWER : ?
YOUR ANSWER : ?

The concept of putting microbes to help clean up the environment is called

pasteurization

biolistics

bioremediation

fermentation

TRUE ANSWER : ?
YOUR ANSWER : ?

Activated sludge contains large number of

all of these

bacteria

yeasts and molds

protozoa

TRUE ANSWER : ?
YOUR ANSWER : ?

The magnitude of BOD of wastewater is related to

bacterial count

All of these

amount of organic material

amount of inorganic material

TRUE ANSWER : ?
YOUR ANSWER : ?

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