The wrong statement about photochemical smog is-

1. Photochemical smog causes irritation in eyes.

2. It has a low concentration of oxidizing agents

3. It can be controlled by controlling the release of NO2, hydrocarbon, ozone, etc.

4. Plantation of some plants helps in controlling photochemical smog.

Subtopic:  Air Pollution - Smog |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A gas that is not common component of photochemical smog is-

1. Ozone

2. Acrolein

3. Peroxyacetyl nitrate

4. Chlorofluorocarbons

Subtopic:  Air Pollution - Smog |
 65%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following statements regarding photochemical smog is not correct?

1. Carbon monoxide does not play any role in photochemical smog formation

2. Photochemical smog is an oxidising agent in character

3. Photochemical smog is formed through photochemical reaction involving energy

4. Photochemical smog does not cause irritation in eyes and throat

Subtopic:  Air Pollution - Smog |
 78%
From NCERT
NEET - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Green chemistry means such reactions that:

1.   Produce colour during reactions
2.  Reduce the use and production of hazardous chemicals.
3.  Are related to the depletion of the ozone layer.
4.  Study the reactions in plants.
Subtopic:  Green Chemistry |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

1. N2O5
2. NO2
3. N2O
4. NO

Subtopic:  Air Pollution - Smog |
 65%
From NCERT
NEET - 2018
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following statements is not true?

1.  Concentration of dissolved oxygen below 5 ppm is good for the growth of fish.
2.  Clean water would have a BOD value of less than 5 ppm.
3.  Oxides of sulphur, nitrogen, and carbon are the most widespread air pollutant.
4. pH of drinking water should be between 6.5-8.5.

Subtopic:  Water Pollution - Biological Oxygen Demand |
 67%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which important greenhouse gas, other than carbon dioxide, is being produced from the agricultural fields?

1. Arsine

2. Sulphur dioxide

3. Ammonia

4. Nitrous oxide

Subtopic:  Air Pollution - Greenhouse Effect |
 57%
Please attempt this question first.
Hints

Carbon monoxide is a pollutant because it:

1. reacts with oxygen

2. inhibits glycolysis

3. reacts with haemoglobin

4. makes nervous system inactive

 75%
Please attempt this question first.
Hints
Please attempt this question first.

Among the following, the one that is not a greenhouse gas is:

1. Sulphur dioxide

2. Nitrous oxide

3. Methane

4. Ozone

Subtopic:  Air Pollution - Greenhouse Effect |
 58%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The phenomenon in which atmospheric gases trap the heat radiations from the sun near the earth’s surface and keeps it warm is known as-

1. Natural greenhouse effect

2. Tyndall effect

3. Heating effect

4. Joule’s effect

Subtopic:  Air Pollution - Greenhouse Effect |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh