# Ozone layer is present in

$(a)\;Troposphere\qquad(b)\;Thermosphere\qquad(c)\;Lithosphere\qquad(d)\;Stratosphere$

The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
Ozone layer is present in thermosphere
Hence (b) is the correct answer.
edited 1 day ago