JEE · NEET Previous Year Question

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

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A6,5
  2. B4, 8
  3. C4, 15
  4. D6, 12

Correct answer: A

Solution

(a)
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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