Q. The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is: - Study24x7
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3608 followers study24x7 14 Nov 2019 05:46 PM study24x7 study24x7

Q. The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is:

A

4 – 6

B

2 – 4

C

8 – 10

D

12 – 16

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