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JEE Main 202127 JulyMorning Shift
Exam
JEE Main
Year
2021
Date
27 July
Shift
Morning Shift
Subject
Chemistry
Chapter
Environmental Chemistry

JEE Main 2021 · 27 July · Morning Shift · Chemistry · Environmental Chemistry

Which one of the following statements is NOT correct?

Which one of the following statements is NOTNOT correct?

Options

  1. AEutrophication indicates that water body is polluted
  2. BThe dissolved oxygen concentration below 6ppm6ppm inhibits fish growth
  3. CEutrophication leads to increase in the oxygen level in water
  4. DEutrophication leads to anaerobic conditions

Correct answer

C. Eutrophication leads to increase in the oxygen level in water

Step-by-step solution

Eutrophication leads to decrease in oxygen level of water.

Eutrophication is the process by which an entire body of water, or parts of it, becomes progressively enriched with minerals and nutrients, particularly nitrogen and phosphorus. It has also been defined as "nutrient-induced increase in phytoplankton productivity".

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