JEE PYQ: Environmental Chemistry Question 8
Question 8 - 2021 (24 Feb Shift 2)
Given below are two statements:
Statement I: The value of the parameter “Biochemical Oxygen Demand (BOD)” is important for survival of aquatic life.
Statement II: The optimum value of BOD is 6.5 ppm.
In the light of the above statements, choose the most appropriate answer from the options given below.
(1) Both Statement I and Statement II are false
(2) Statement I is false but Statement II is true
(3) Statement I is true but Statement II is false
(4) Both Statement I and Statement II are true
Show Answer
Answer: (3)
Solution
For survival of aquatic life dissolved oxygen is responsible its optimum limit 6.5 ppm and optimum limit of BOD ranges from 10 – 20 ppm & BOD stands for biochemical oxygen demand.
BETA
