NEET Chemistry ยท Hard

Environmental Chemistry: DO MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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DOHardQuestion 48009

Question

A healthy aquatic system generally requires relatively high:

  1. A
    dissolved oxygen
    Correct
  2. B
    BOD
  3. C
    smoke density
  4. D
    CFC level

Correct answer

dissolved oxygen

Explanation

Aquatic life depends on available oxygen.