Question

Assertion :Amount of biodegradable present in water is measured by BOD organic matter. Reason: During biodegradation of organic compounds, oxygen is released.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true and R is not the correct explanation of A
• C. A is true but R is false
• D. Both A and R are false

Answer 1

The correct option is C A is true but R is false

1. Amount of biodegradable or organic matter present in water is determined by the measurement of its Biochemical oxygen demand or BOD.
   
2. During biodegradation, oxygen is used for decomposing processes.

So, the correct answer is option C.