JEE Main · 2023 · 10 Apr 2023 · Shift 2 · Environmental Chemistry

WhatsApp Email
The delicate balance of and is NOT disturbed by:
  1. (A)Burning of Coal
  2. (B)Deforestation
  3. (C)Burning of petroleum
  4. (D)Respiration✓ Correct

Answer: (D)

Solution

Respiration is a natural biological process that is part of the carbon-oxygen cycle. The released during respiration is balanced by the produced during photosynthesis, maintaining equilibrium. In contrast, burning of fossil fuels (coal, petroleum) and deforestation are anthropogenic activities that disturb this natural balance by adding excess without corresponding production.

JEE Main · 2023 · 10 Apr 2023 · Shift 2 · Single correct option

More JEE Main questions on Environmental Chemistry

  1. The possibility of photochemical smog formation is more at
    JEE Main 2023View solution →
  2. Which of these reactions is not a part of breakdown of ozone in stratosphere?
    JEE Main 2023View solution →
  3. Match List-I with List-II

    List-I (Industry):
    (A) Steel plants
    (B) Thermal power plants
    (C) Fertilizer industries
    (D) Paper mills

    List-II (Waste Generated):
    (I) Gypsum
    (II) Fly ash
    (III) Slag
    (IV) Bio-degradable Wastes

    Choose the correct answer from the options given below:
    JEE Main 2023View solution →
  4. Given 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 nitrate salts are 5 ppm each, then it can be a good quality water.
    In the light of the above statements …
    JEE Main 2023View solution →
  5. Match 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. Phosphate fertilisers in water | IV. Acid rain

    Choose the correct answer from the options giv …
    JEE Main 2023View solution →
  6. The radical which mainly causes ozone depletion in the presence of UV radiations is:
    JEE Main 2023View solution →