14. What is the function of Ozone at Higher level of atmosphere? State the ill effects of ultraviolet radiations in ecosystem.
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The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun. In particular, the ozone layer protects us from the UV radiation, known as UV-B, which causes sunburn.
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The function of the ozone layer in the upper atmosphere is to absorb most of the harmful ultraviolet rays coming from the sun and prevent them from reaching the earth's surface.
Iʟʟ ᴇғғᴇᴄᴛs ᴏғ UV ʀᴀʏs ɪɴ ᴇᴄᴏsʏsᴛᴇᴍ.
(1) UV-B radiation has been shown to be harmful to living organisms, damaging DNA, proteins, lipids and membranes.
(2) Plants, which use sunlight for photosynthesis and are unable to avoid exposure to enhanced levels of UV-B radiation, are at risk.
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