Question

Uv radiations from sun is absorbed by? a)H2O b)CH4 c)N2O d)O3                                                             class 12th CBSE biology sample paper

Answer 1

o3 that is ozone found in the earths atomsphere

Answer 2

UV radiations from the sun is absorbed by the O3.

So the correct option is ʺDʺ i.e., O3 

Ozone is the layer that absorbe the harmful radiation of sun that is ultraviolet rays, this is done by the absorbing property of the O3 molecule. ozone is formed by the action of many factors present in the stratosphere that are acting on O2 molecules for forming ozone.