UV rays are harmful to us. How? - Vidyadip

Question

$UV$ rays are harmful to us. How$?$

✓

Answer

$UV$ (ultraviolet) rays are very harmful to us. They damage the eyes as more than $99\%$ of $UV$ radiation is absorbed by the front of the eyes. It can lead to corneal damage, cataract, skin cancer, blindness. It also causes premature ageing of the skin, suppression of the immune system etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "questions in short. [2 marks ]" from Pollution of Air and Water→Pollution of Air and Water — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Name two animals which have vanished from? Satpura National Park and two animals which are still found there.

What happens to the size of the pupil of our eye in dim light?

You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two ?

A negatively charged object repels another charged object held near it. What is the nature of charge on the other object?

Why are nerve cells long and have branches?

An inflated rubber balloon and a woollen cloth are rubbed together. What type of charge is acquired by$?$ $(a)$ woollen cloth, and $(b)$ rubber balloon$?$

Name the planet having a well-developed system of rings around it.

What is goiter? What causes goiter?

Which cell do organelles find only in plant cells?

Can the process of rusting be called combustion ? Discuss.