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World Ozone Day

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.

Which of the following represents ozone gas molecule:

a)

O6

b)

O4

c)

O9

d)

O3

2.

Number of countries signed Montreal Protocol is _____ :

a)

196

b)

191

c)

186

d)

181

3.

The ---------------- is an amendment to the Montreal Protocol, which is an environmental treaty signed by countries to phase out Ozone Depleting Substances (ODSs) from the earth’s atmosphere

a)

clear air act of 1999

b)

ecological solid waste management act

c)

kigali agreement

d)

environmental awareness and educational act

4.

Where is the 'hole' in the ozone layer located?

a)

Over the United States

b)

Over Europe

c)

Over Antarctica

d)

Around the equator

5.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
6.

Which plant produce ozone at the time photosynthesis?

a)

Lemon

b)

Tulsi

c)

Neem

d)

Aloe Vera

7.

Between what altitudes, is the ozone layer found in the highest concentrations?

a)

10 - 20 km

b)

20 - 40 km

c)

40 - 55 km

d)

55 - 70 km

8.

What is the (approximate) global warming potential (GWP) of hydrofluorocarbon HFC-134a?

a)

130

b)

2200

c)

1430

d)

HFC-134a does not have a global warming potential.

9.

When do scientists predict the ozone layer will heal and return to pre-1980 levels?

a)

Between the years 2050 and 2065

b)

By the year 2030

c)

Between the years 2080 and 2090

d)

By the year 3000

10.

Who discovered the Ozone Layer?

a)

Charles Fabry and Henri Buisson

b)

Stephen Hawking

c)

G.M.B Dobson

d)

Carl Sagan & Charles Fabry

11.

Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of ozone layer?

a)

Damage to digestive system

b)

Increased liver cancer

c)

Increased skin cancer

d)

Neurological disorder

12.

Which of the following volcanic eruptions made major contribution to the ozone depletion?

a)

Mt Pelee, Caribbean

b)

Erebus

c)

Nevado del Ruiz, Columbia

d)

Laki, Iceland

13.

In which year 16 September is proclaimed as World Ozone Day?

a)

1996

b)

1990

c)

1999

d)

1994

14.

Who discovered ozone hole?

a)

Leonhard Euler

b)

Richard Feynman

c)

Jonathan Shanklin

d)

Stephen Hawking

15.

Which International Organization decided to celebrate September 16 as Ozone Day ?

a)

UEPN

b)

UNEP

c)

UNESCO

d)

UN

16.

Which UV radiation is responsible for causing sunburn and skin cancer ?

a)

UV

b)

UV - A

c)

UV - B

d)

UV - C

17.

The ozone layer stops most of the harmful _____ from hitting Earth.

a)

CFCs

b)

UV Rays

c)

Chloroflorocarbons

d)

CO2

18.

Ozone can be destroyed by the following free radical(s)

a)

Hydroxyl Radicals (OH∙)

b)

Nitric Oxide Radical (NO∙)

c)

Chlorine Radical (Cl∙)

d)

All of The Above

19.

Which of the following is the most common ozone destroying pollutants?

a)

Carbon Monoxide

b)

Particle Matters

c)

Chlorofluorocarbons

d)

Nitrogen Dioxide

20.

From which Greek term,the word "ozone" is derived.

a)

Ozone

b)

Ozein

c)

Oza

d)

None of these

21.

In which year,the hole was discovered in ozone layer?

a)

1975

b)

1971

c)

1972

d)

1970

22.

The organisation which conducts ozone day celebration in kerala is------------

a)

SCERT KERALA

b)

NCERT KERALA

c)

STEC THIRUVANATHAPURAM

d)

All the above

23.

The space shuttle launched to discover ozone is------------

a)

ARIEL

b)

INSAT

c)

SPUTNIC

d)

NIMBUS 7

24.

The modern version of the Dobson instrument which provides near simultaneous observations of the total ozone column, Sulfur dioxide, and UV spectra.

a)

Brewer Spectrophotometer

b)

NASA's ER 2 Aircraft

c)

Total Ozone Mapping Spectrometer (TOMS)

d)

Rocket Probe

25.

What are "holes" in the ozone layer?

a)

places where the ozone concentrations are lower than under normal conditions, allowing more UV radiation to reach the Earth's surface.

b)

places where the ozone concentrations are higher than under normal conditions, allowing more UV radiation to reach the Earth's surface.

c)

places where the ozone concentrations are higher than under normal conditions, allowing less UV radiation to reach the Earth's surface.

d)

places where carbon dioxide and other greenhouse gasses absorb heat from the sunlight which warms the Earth

26.

_____________________ is the process of capturing and storing atmospheric carbon dioxide. It is one method of reducing the amount of carbon dioxide in the atmosphere with the goal of reducing global climate change.

a)

Carbon sequestration

b)

Carbon limitation

c)

Carbon control

d)

Carbon capture

27.

At what time of the day is UV radiation the most dangerous?

a)

08:00 AM - 12:00 NN

b)

10:00 AM - 02:00 PM

c)

10:00 AM - 04:00 PM

d)

12:00 NN - 03:00 PM

28.

The country where Montreal Protocol took place

a)

Australia

b)

France

c)

Canada

d)

Japan

e)

Russia

29.

What is the Theme for World Ozone Day 2021?

a)

Ozone for life

b)

32 years and healing

c)

'Montreal Protocol – keeping us, our food, and vaccines cool'

d)

Keep Cool And Carry on

30.

Where is the "GOOD" ozone located?

a)

troposphere (0-7 miles)

b)

stratosphere (9-31 miles)

c)

mesosphere (32-80 miles)

d)

thermosphere (80-500 miles)