| Question | Answer | % Correct |
|---|---|---|
| Which of the following factor(s) may affect biological growth? | All of the above | 91%
|
| Bacteria may be classified by which of the following? | All of the above | 82%
|
| In the removal process, bacteria must do which of the following? | All of the above | 82%
|
| Bacteria growth has many limiting factors, including which of the following? | All of the above | 73%
|
| The most important microorganism in wastewater treatment is ________. | bacteria | 73%
|
| The operator must control _________________ for the microorganisms to do their job. | environment | 73%
|
| Wastewater is treated by special types of bacteria, fungi, algae, plants, animals, and ________. | protozoa | 73%
|
| There are ________ basic cell structures. | 2 | 55%
|
| The bacteria that adapts best to changing environmental oxygen conditions is ________. | facultative | 45%
|
| Aerobic bacteria require an environment ________. | with dissolved oxygen | 45%
|