The incorrect statement about carbon monoxide is-

1. It reduces the oxygen-carrying ability of blood.
2. The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.
3. It is produced due to incomplete combustion.
4. It forms carboxyhaemoglobin.

Subtopic:  Air Pollution - Smog |
 86%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

‘White lung cancer’ is caused by : 

1. Asbestos

2. Silica

3. Textiles

4. Paper

Subtopic:  Gaseous Pollutants - Oxides of C & N |
 53%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Incorrect statement among the following is: 

1. Oxides of sulphur, nitrogen, and carbon are the most widespread air pollutant.

2. pH of drinking water should be between 6.5 and 8.5.

3. Concentration of dissolved oxygen below 6 ppm is good for the growth of fish.

4. Clean water would have a BOD value of less than 5 ppm.

Subtopic:  Gaseous Pollutants - Oxides of C & N | Air Pollution - Ozone | Water Pollution - Biological Oxygen Demand |
 71%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The aromatic compound that is present as particulate among the following is : 

1. Benzene

2. Toulene

3. Nitrobenzene

4. Polycyclic hydrocarbons

Subtopic:  Gaseous Pollutants - Oxides of C & N |
 64%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The oxygen present today in the atmosphere- 

1. Is a plant product.

2. Came from ozone.

3. Was present in the beginning.

4. Is produced by carbon dioxide.

Subtopic:  Air Pollution - Global Warming |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Living in the atmosphere of CO is dangerous because it : 

1. Combines with Opresent inside to form CO2

2. Reduces organic matter of tissues.

3. Combines with haemoglobin and makes it incapable to absorb oxygen.

4. Dilutes the blood.

Subtopic:  Air Pollution - Smog |
 94%
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be : 

1. Highly polluted.

2. Poor in dissolved oxygen.

3. Rich in dissolved oxygen.

4. Not suitable for aquatic life.

Subtopic:  Water Pollution - Biological Oxygen Demand |
 71%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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NEET 2023 - Target Batch - Aryan Raj Singh

The chemical that is an excellent ‘green’ solvent as well as a greenhouse gas is: 

1. Methanol

2. CFCs

3. Carbon monoxide

4. Carbon Dioxide

Subtopic:  Green Chemistry |
 66%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which, of the following, gases contributes  nearly 50 % to the green house effect (which, in turn, causes global warming) ?

1. SO2

2. SO3

3. CO2

4. Water vapour

Subtopic:  Air Pollution - Global Warming |
 86%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Ozone is a very toxic gas and a strong oxidizing agent. It is still useful for life on earth :

1. because it traps harmful UV-rays.

2. because it balances global warming.

3. because it traps harmful X-rays.

4. because it  traps harmful γ-rays.

Subtopic:  Air Pollution - Ozone |
 92%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh