Online Quiz Competition on International Day for Ozone Layer - 2021

 

Online Quiz Competition on International Day for Ozone Layer - 2021

Dear Participant,

On behalf of NIOH-ENVIS, RP Ahmedabad, we would like to convey our sincere thanks for sparing your time in participating quiz competition.

Participants may kindly note the QUIZ link is VALID till 16th September 2021. So, please complete and submit the QUIZ on or before 16th September 2021.

PLEASE READ THE INSTRUCTIONS CAREFULLY BEFORE START OF THE QUIZ.

IMPORTANT INSTRUCTION:

➤This Quiz consists of 30 multiple-choice questions to be completed in 35 minutes.

➤You are allotted 5 minutes for primary information and 30 minutes to complete the Quiz and SUBMIT.

➤All Questions are compulsory.

➤Participants who score above 50% will be eligible to receive E-certificate.

➤Once the Quiz link is activated / opened, it has to be completed in one uninterrupted sitting. 

➤The link cannot be used again.          

➤SUBMIT MANUALLY AS TIMER ENDS; OR YOUR  RESPONSE WON'T BE RECORDED!

➤Decision of the NIOH-ENVIS-RP would be final.

➤Possessing Valid email ID is must to participate.

➤If any question Contact us at niohenvisrp@gmail.com

➤Do not edit in Submission ID (skip this field).

Here You can sell all the questions which are asked in this quiz competition

1. The main cause of ozone depletion and the ozone hole is 

Halocarbon refrigerants

Propellants

foam-blowing agents

all of the above

2. Following are referred to as ozone-depleting substances (ODs). 

CFCs

Methyl bromide

Halons

all of the above

3. The ozone layer prevents ___ from passing through the Earth’s atmosphere. 

Ultraviolet rays

Infrared rays

X-rays

all of the above

4. Ultraviolet rays cause 

Skin cancer

Sunburn

Cataracts

All of the above

5. Following is (are) the greenhouse gas (es). 

Carbon dioxide

Chlorofluorocarbons

Both (A) and (B)

None of the above

6. CFCs were used as 

Fuel in airplanes

Refrigerants in cooling units

Paint

all of the above

7. Montreal Protocol was signed in 

1986

1987

1988

1989

8. “International Day for the Preservation of the Ozone Layer” or “World Ozone Day” is celebrated on 

September 18

September 16

October 18

October 16

9. Good ozone is found in the 

Stratosphere

Ionosphere

Troposphere

Mesosphere

10. This is not the consequence of ozone layer depletion 

Increased ultraviolet radiations

Malignant melanoma – skin cancer type

Cyanobacteria are sensitive to UV rays and would be affected by its increase

Tides

11. Which compound which used in fire extinguishers cause ozone layer depletion? 

Sodium aluminates

Sulfurous silicate

Phosphates

Halons

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

Chlorine radical (Cl)

Bromine radical (Br)

Nitric oxide radical (NO)

all of these

13. Montreal protocol is related to the 

Global warming

Food security

Ozone layer depletion

Sustainable development

14. Why UV radiation is higher in summer? 

During summer, ozone is more in the atmosphere

Sun is closer to planet earth so UV rays have a shorter distance to travel and reach us

Sun is busy in summer specially

None of the above

15. Why ozone within the upper environment is important? 

It protects the earth from the sun’s harmful ultraviolet radiations

It protects the earth from floods

It provides good aesthetic view to the atmosphere

Because it provides rain to the earth

16. The ozone hole is a phenomenon that has occurred in 

Arctic region

Northern temperate region

Southern temperate region

None of the mentioned

17. Which of the following chemicals are responsible for the depletion of the stratospheric ozone layer? 

Refrigerants

Solvents

Foam-blowing agents

All of the mentioned

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

Summer

Spring

Winter

Autumn

19. Which of the following UV radiations is responsible for causing sun burns and skin cancer? 

UV-A

UV-B

UV-C

All of the mentioned

20. The ozone layer absorbs what range of wavelengths of the sun’s radiation? *

0.80 nm – 1.50 nm

600 nm – 750 nm

450 nm – 570 nm

200 nm – 315 nm

21. Who discovered the ozone layer? 

Carl Sagan &G.M.B Dobson

Henri Buisson & Charles Fabry

G.M.B Dobson

Carl Sagan & Charles Fabry

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

Four

Two

One

Three

23. Which of the following is threat to the ozonosphere? 

Oxygen

CFCs

Carbon dioxide

Nitrogen dioxide

24. Which one of the following is a result of ozone layer depletion? 

Increase in the oxygen level

Increase in the nitrogen level

Increase in the phosphorous level

Increases in the carbon dioxide level

25. What is the full form of CFCs? 

Chromate fluorocarbons

Chlorofluorocarbons

Chlorine fluorocarbons

Chlorofluridcarbons

26. How is the thickness of the ozone in a column of air from the ground to the top of the atmosphere measured? 

Centimetre

Hertz

Ampere

Dobson units

27. Ozone depletion would magnify production of 

Vitamin D

Vitamin C

Vitamin A

None of these

28. Which of the following devices is used to measure ozone in the stratosphere from ground? 

Spectrophotometer

Spectrometer

Barometer

Photometer

29. Montreal Protocol bans the production of which of the following chemical substances? 

CFCs, halons, freons

Chlorine, bromine, CFCs, freons

CFCs, bromine, halons, freons

Carbon tetrachloride, halons, trichloroethane, CFCs

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

between 10-50%

Nearly 100%

Less than 10ppm

Greater than 90%

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