Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main202117 Mar 2021Evening ShiftChemistryEnvironmental ChemistryActual

Which of the following statement(s) is (are) incorrect reason for eutrophication? (A) excess usage of fertilisers (B) excess usage of detergents (C) dense plant population in water bodies (D) lack of nutrients in water bodies that prevent plant growth Choose the most appropriate answer from the options given below :

Options

  1. A(A) only
  2. B(C) only
  3. C(B) and (D) only
  4. D(D) only

Correct answer

D. (D) only

Step-by-step solution

The process in which nutrient enriched water bodies support a dense plant population which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity is known as eutrophication.

Practice Environmental Chemistry on Quantrex Academy →

More from Environmental Chemistry

The possibility of photochemical smog formation will be minimum at 2023Which of the following are the Green house gases? A. Water vapour B.Ozone C. I 2 D.Molecular hydrogen Choose the most appropriate answer from the options given below : 2023The radical which mainly causes ozone depletion in the presence of UV radiations is : 2023Match List I with List II List I List II A Nitrogen oxides in air I Eutrophication B Methane in air II pH of rain water becomes 5 . 6 C Carbon dioxide III Global warming D Phosphat 2023Which of the following compounds is an example of Freon? 2023Given below are two statements : Statement-I : If BOD is 4 ppm and dissolved oxygen is 8 ppm , then it is a good quality water. Statement-II : If the concentration of zinc and nitr 2023The delicate balance of CO 2 and O 2 is NOT disturbed by 2023Match List I with List II List I Industry List II Waste Generated (A) Steel plants (I) Gypsum (B) Thermal power plants (II) Fly ash (C) Fertilizer Industries (III) Slag (D) Paper m 2023 Full Environmental Chemistry list All JEE Main PYQs