NEET 2023
- Exam
- NEET
- Year
- 2023
- Subject
- Botany
- Chapter
- Environmental Issues
NEET 2023 · Botany · Environmental Issues
Select the correct statements regarding dissolved Oxygen and...
Select the correct statements regarding dissolved Oxygen and Biochemical oxygen demand.
(A) BOD is inversely related to dissolved oxygen.
(B) Low dissolved oxygen and high BOD lead to loss of aquatic life.
(C) High BOD leads to high dissolved oxygen.
(D) Both BOD and dissolved oxygen are indicator of health of a water body.
(E) Both BOD and dissolved oxygen are affected by amount of organic matter in the water body. Choose the most appropriate answer from the options given below :
Options
- A only
- B only
- C only
- D only
Correct answer
D. only
Step-by-step solution
BOD is inversely related to dissolved oxygen.
Higher the BOD lower the dissolved oxygen of water body.
and dissolved oxygen is affected by amount of organic matter in water body.
Therefore, statement A, B, D and E are correct.