CURIOUSITY QUIZ: OZONE LAYER: OUR NATURAL UMBRELLA

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Test Your knowledge on 'Ozone Layer : Our Umbrella' prepared on the occasion of World Ozone Day of Sept 16. Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck!

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Class (if Student)

Address (if not Student)

Which layer of our atmosphere does contain Ozone?

1 point

Troposphere

Lower Stratosphere

Upper Stratosphere

Mesosphere

Clear selection

The Ozone layer of our atmosphere is often likened to an umbrella. How does it protect life on the Earth ?

1 point

It absorbs the harmful Ultraviolet rays coming from the Sun.

It absorbs the harmful infrared rays coming from the Sun.

It absorbs the harmful gamma rays coming from the Sun.

It absorbs the harmful X-rays coming from the Sun.

Clear selection

Who discovered the Ozone layer?

1 point

Sir Humphrey Davy

Charles Fabry

Joe Farman, Brian Gardiner and Jonathan Shanklin

Christian Friedrich Schönbein

Clear selection

Who discovered the Ozone gas?

1 point

Sir Humphrey Davy

Charles Fabry

Joe Farman, Brian Gardiner and Jonathan Shanklin

Christian Friedrich Schönbein

Clear selection

Which of the following statements regarding Ozone gas is true ?

1 point

While it is a pollutant at ground level, it acts as a boon in the upper atmosphere.

It is a pale blue coloured gas having pungent smell and sparingly soluble in water.

It is less stable than Oxygen and a strong oxidising agent.

All the above answers are correct.

None of the answer is correct.

Clear selection

How many times is an Ozone molecule heavier than an Oxygen molecule?

1 point

2 times

3 times

1.5 times

2.5 times

Clear selection

Where, when and by which satellite was Ozone layer first discovered ?

1 point

Over Antarctica, 1985, Nimbus-7

Over Antarctica, 1986, Nimbus-7

Over Antarctica, 1985, Nimbus-1

Over Greenland, 1985, Nimbus-7

Clear selection

A substance used in the refrigerator as coolant is believed to cause damage to the Ozone layer. What is the name of the substance ?

1 point

Chlorofluorocarbon – CFC

Liquid Ammonia

Bromofluorocarbon

Halons

Clear selection

Which unit is generally used to measure the amount of Ozone in the atmosphere ?

1 point

Nanometer unit

Decibel unit

Ozone unit

Dobson unit

Clear selection

Which international treaty first time, expressing concern over the depletion of Ozone layer, put a ban on the production and use on Ozone Depleting Substances ?

1 point

Kyoto Protocol- 1997

Paris Agreement-2016

Montreal Protocol-1987

Copenhagen Accord- 2009

Clear selection

The depletion of Ozone layer, the Ozone holes, allows harmful Ultraviolet radiations to reach our biosphere. What is the harmful effects of ultraviolet radiations on life?

1 point

Causes a type of skin cancer (called Melanoma and) Cataract in eyes.

It kills the DNA matter of living cells.

It kills the Phytoplanktons which are the base of the marine ecosystem.

All the above answers are correct.

None of the above answer is correct.

Clear selection

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