The Montreal Protocol aims at:

Identify the incorrect statement.

In which layer of the atmosphere is the ozone layer located?

Which one of the following is measured in Dobson units $(DU)$?

Given below are two statements.
Statement $I$: Absorption of $UV$ radiations is directly proportional to the thickness of ozone.
Statement $II$: Ozone is generated by absorption of shorter wavelength of infrared radiations.
In the light of the above two statements,choose the correct answer from the options given below.

In which layer of the atmosphere is ozone found that absorbs ultraviolet radiation from the Sun?