The concentration of dissolved Oxygen in water for growth of fish should be more than ppm and Biochemical Oxygen Demand in clean water should be less than ppm. and in ppm are, respectively.
Select the correct option:
A
$\begin{array}{ll}X & Y \\ 6 & 5\end{array}$
B
$\begin{array}{ll}X & Y \\ 4 & 8\end{array}$
C
$\begin{array}{lc}X & Y \\ 4 & 15\end{array}$
D
$\begin{array}{cc}X & Y \\ 6 & 12\end{array}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
The growth of fish gets inhibited if the concentration of dissolved Oxygen in water is less than 6 ppm and Biochemical Oxygen demand in clean water should be less than 5 ppm.
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