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  • The concentration of dissolved Oxygen in water for growth of fish should be more than <img alt="\underline{X} \mathrm{ppm}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cunderline%7BX%7D%

The concentration of dissolved Oxygen in water for growth of fish should be more than \underline{X} \mathrm{ppm} and Biochemical Oxygen Demand in clean water should be less than \underline{Y}$ ppm. $\mathrm{X}  and \mathrm{Y} in ppm are, respectively.

Option: 1

\begin{array}{ll} X & Y \\ 4 & 8 \end{array}


Option: 2

\begin{array}{cc} X & Y \\ 6 & 5 \end{array}


Option: 3

\begin{array}{cc} X & Y \\ 4 & 15 \end{array}


Option: 4

\begin{array}{cc} \mathrm{X} & \mathrm{Y} \\ 6 & 12 \end{array}


Answers (1)

best_answer

\rightarrow BOD value of water of water is in the range -3-5 (Less than 5 )
\rightarrow dissolve oxygen in water for growth of wish \rightarrow Less than (6)

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manish

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