Practice Biochemical Oxygen Demand (bod) (2.3) - Water Quality Parameters

Practise this section

10 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does BOD stand for?
Show hintHide hint
Think about what it measures in water.
Question 2.
Is high BOD good or bad for a water body?
Show hintHide hint
Relate this to the needs of aquatic life.
3Question 3.
What is the primary measurement of BOD?
- Total solids in water
- Oxygen consumed by bacteria
- Nutrients available in water
Show hintHide hint
Think about what microorganisms need to feed.
4Question 4.
True or False: High BOD levels can indicate poor water quality.
- True
- False
Show hintHide hint
Consider the relationship of oxygen levels to life in water.
Question 5.
Analyze a case where a factory discharges high levels of effluent into a river. Explain how you would assess water quality using BOD and COD measurements.
Show hintHide hint
Think about the sequence and importance of information from both measurements.
Question 6.
Critically evaluate the limitations of relying solely on BOD during wastewater treatment management in an industrial setting.
Show hintHide hint
Consider the composition of industrial effluents.

6 more questions in this section. Enroll free to practise them all.