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Environmental Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry1 Mark
MCQ
On the basis of the given graph select the correct statement.
  • A
    $X$ shows the amount of pollutants present in water.
  • B
    $Y$ shows the population of fishes and other fresh water organisms.
  • C
    $Y$ shows the amount of oxygen dissolved in water.
  • ✓
    $Y$ shows the population of bacteria and algae.
✓

Answer

Correct option: D.
$Y$ shows the population of bacteria and algae.

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