Question

The Montreal protocol is related to

• A. biosafety of genetically modified organisms
• B. substances that deplete the ozone layer
• C. global warming and climate change
• D. persistent organic pollutants

Answer 1

The correct option is B substances that deplete the ozone layer

Montreal protocol (1987) was a landmark international agreement to protect the stratospheric ozone by agreeing to limit the production and use of ozone-depleting substances such as CFCs, ${\mathrm{CCl}}_4$, etc.