Multiple choice

What is the most dangerous consequence of this ozone depletion?

Ozone gas absorbs the UV-radiation of Sun and gets converted into oxygen (O2). This prevents mutagenic activities of UV-radiation of the living world. So, ozone layer is indispensible to safe life & the depletion of ozone layer due to manmade activities could be catastrophic.

  1. Lung cancer, throat cancer & nicotine deposition on enamel of teeth

  2. Skin cancer

  3. Melting of glacier ice & rising of warmer sea water causes expansion of sea level

  4. Damages in different parts of trees like loss of leaves, harm in bark and retarded growth

  5. Partial loss of hearing & loss of air cells from organ of corti

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Small amount (1%) of O3-depletion causes huge amount (2%) of UV-radiation enter the planet. The most dangerous consequences of this depletion is skin-cancer. It is estimated that by the year 2075 around 60 million Americans will get affected by this fatal disease, i.e., skin-cancer.