The thickness of ozone in a column of air in the atmosphere is measured in terms of :
1.Kilobase 2.Dobson unit 
3.Decibels 4.Decameter
Subtopic:  Ozone Layer Depletion |
 81%
From NCERT
NEET - 2023
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High dose of UV-B causes inflammation of cornea and is called as: 
1. UV -blindness 
2. Colour-blindness 
3. Evening- blindness 
4. Snow- blindness 

Subtopic:  Ozone Layer Depletion |
 84%
From NCERT
NEET - 2022
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The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of : 
1. Dalton units 
2. Svedberg units 
3. Monomeric units 
4. Dobson units 

Subtopic:  Ozone Layer Depletion |
 90%
From NCERT
NEET - 2022
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Dobson units are used to measure thickness of:
1. Ozone
2. Troposphere
3. CFCs
4. Stratosphere

Subtopic:  Ozone Layer Depletion |
 90%
From NCERT
NEET - 2021
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Snow-blindness in Antarctic regions is due to:

1. Inflammation of cornea due to high doses of UV-B radiation
2. High reflection of light from snow
3. Damage to the retina caused by infra-red rays
4. Freezing of fluids in the eye because of the low temperature 
Subtopic:  Ozone Layer Depletion |
 87%
From NCERT
NEET - 2020
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Montreal Protocol was signed in 1987 for the control of:

1. Emission of ozone-depleting substances
2. Release of Green House gases
3. Disposal of e-waste
4. Transport of genetically modified organisms from one country to another

Subtopic:  Ozone Layer Depletion |
 87%
NEET - 2020
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Which of the following protocols did aim for reducing the emission of chlorofluorocarbons into the atmosphere?

1. Geneva protocol

2. Montreal protocol

3. Kyoto protocol

4. Gothenburg protocol

Subtopic:  Ozone Layer Depletion |
 87%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following statements about ozone is correct?

1. Tropospheric ozone protects us from UV radiation

2. Stratospheric ozone is 'bad'

3. Tropospheric ozone is 'good'

4. Stratospheric ozone protects us from UV radiation

Subtopic:  Ozone Layer Depletion |
 90%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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