DTEA : OZONE QUIZ 2021

The Ozone layer prevents _________ from passing through the Earth’s atmosphere

• Ultraviolet rays

• Infrared rays

• X-rays

• All the above

The total amount of ozone in the atmosphere above a point on the Earth’s surface is measured in

• Astronomical unit

• Dobson unit

• Angstrom unit

• None of the above

Ozone depletion would magnify production of

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

Which of the following UV radiations is responsible for causing sunburns and skin cancer?

• UV-A

• UV-B

• UV-C

• All of the above.

In which season is the ozone found at its maximum level in the northern hemisphere?

• Winter

• Summer

• Spring

• Autumn

The Montreal Protocol bans the production of which of the following chemical substances?

• Chlorine, Bromine, CFCs, Freons

• Carbon Tetrachloride, Halons, Trichloroethane, CFC’s

• CFC’s, Bromine, Halons, Freons

• CFC’s, Halons, Freons

How many oxygen particles are there in every atom of ozone?

• One

• Two

• Three

• Four

The process by which the clouds remove NO2 from the stratosphere by converting it to nitric acid in the PSC particles, which then are lost by sedimentation is called

• Denitrification

• Nitrification

• Nitriding

• Denitriding

The Montreal Protocol was signed in

• 1986

• 1987

• 1988

• 1989

What is the average concentration of ozone in the ozone layer of the atmosphere?

• Nearly 100%

• Greater than 90%

• Between 10-50%

• Less than 10ppm