The ozone layer is important because it:

Q. Assertion (A): Stratospheric ozone layer plays a vital role in protecting the living organisms on Earth.
Reason (R): It acts as a shield by absorbing ultraviolet radiation from the sun.

Q. Ozone layer protects the earth from harmful ultraviolet rays.

Q. Ozone layer of atmosphere protects the living organism from

Q. Assertion :The ozone hole refers to a decrease in the layer of ozone gas found high in the Earth's atmosphere, which helps to shield the planet from the sun's harmful ultraviolet rays. Reason: The ozone layer has become thinner because of chemicals that were once commonly used in products ranging from spray cans to foam furniture cushions.