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Which are the correct statements related to ozone? (i) Ozone layer helps in increasing the UV radiations reaching earth. (ii) Ozone is a deadly poison. (iii) Ozone layer shields the earth from UV radiations. (iv) Ozone layer prevents UV rays which cause skin cancer. (v) Ozone is formed with the help of Chloroflurocarbons.
The correct option is (B). The correct statements are (ii), (iii), (iv). Ozone is poisonous but in the stratosphere, it forms a protective layer shielding Earth from harmful ultraviolet rays that cause skin cancer and damage living tissues.
Science important questions Final Exam 2025 Class 10
Science Question Paper class 10
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