Excessive exposure of humans to UV-rays resul | vedclass

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(C) Excessive exposure to $UV$-rays (ultraviolet radiation) has harmful effects on human health.$(i)$ $UV$-rays can suppress the immune system,making

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$(i)$ and $(iii)$

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(C) Excessive exposure to $UV$-rays (ultraviolet radiation) has harmful effects on human health.$(i)$ $UV$-rays can suppress the immune system,making the body more susceptible to infections.$(ii)$ $UV$-rays primarily affect the skin and eyes; they do not cause direct damage to the lungs.$(iii)$ $UV$-rays are a known carcinogen and prolonged exposure leads to $DNA$ damage in skin cells,resulting in skin cancer.$(iv)$ Peptic ulcers are typically caused by bacterial infections (like $H. pylori$) or excessive use of NSAIDs,not by $UV$-rays.Therefore,the correct effects are $(i)$ and $(iii)$.

Excessive exposure of humans to $UV$-rays results in:
$(i)$ Damage to immune system
$(ii)$ Damage to lungs
$(iii)$ Skin cancer
$(iv)$ Peptic ulcers

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Excessive exposure of humans to $UV$-rays results in:$(i)$ Damage to immune system$(ii)$ Damage to lungs$(iii)$ Skin cancer$(iv)$ Peptic ulcers