NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- Environmental Chemistry
NEET · Chemistry · Environmental Chemistry
What is the primary role of bacteria in water with organic matter?
What is the primary role of bacteria in water with organic matter?
Options
- AThey increase the oxygen concentration in water.
- BThey consume dissolved oxygen in water.
- CThey convert organic matter into oxygen.
- DThey have no impact on water quality.
Correct answer
B. They consume dissolved oxygen in water.
Step-by-step solution
Bacteria in water decompose organic matter and, in the process, consume the dissolved oxygen in the water, which can lead to a reduction in oxygen levels, affecting aquatic life.