Tag: water and air and their importance

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Questions Related to water and air and their importance

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

The most problematic gases emitted in a volcanic eruption includes :

  1. sulphur dioxide

  2. carbon dioxide

  3. hydrogen fluoride

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Volcanic eruptions release a variety of gases, including sulfur dioxide, carbon dioxide, and hydrogen fluoride, all of which pose environmental and health risks.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Forest fire produces ...... pollution.

  1. air

  2. water

  3. sea

  4. soil
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A forest fire is a natural source of air pollution. 


Several major air pollutants can be released when a fire is caused in the forest. 

For example, carbon monoxide even in small quantities can cause several damage to the plant and animal life. Higher levels of carbon monoxide content reduce the oxygen-carrying capacity of the blood and cause breathing problems.

Thus, the correct answer is option A. 

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Which one of the following is a  man-made source of air pollution?

  1. Volcanic-eruption

  2. Automobile-exhaust

  3. Both A and B

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Anthropogenic or man-made source of pollution is automobile exhaust. When fuel burns various gases like carbon dioxide, oxides of nitrogen, sulfur dioxide, carbon monoxide are released into the air.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Which of these is the major air pollutant in cities like Delhi and Kolkata?

  1. Carbon monoxide

  2. Hydrocarbons

  3. Suspended particulate matter

  4. Oxides of nitrogen
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

According to the air pollution data, the suspended particulate level SPM level is highest in Delhi and Kolkata with 70% residents suffering from respiratory disorders and lung cancers due to high SPM levels in populated areas.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Which of the following pollutants is not present in the vehicular exhaust emissions?

  1. Lead

  2. Ammonia

  3. Carbon monoxide

  4. Particulate matter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oxides of carbon like $CO$ and $CO _2$, oxides of nitrogen, oxides of sulphur, lead, all are present along with particulate matter in the vehicular exhaust gases, but ammonia is not formed in these vehicular emissions.


Option B is correct.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Among the following, which will not help to reduce air pollution?

  1. Burn household rubbish in incinerators

  2. Use catalytic converters on motor vehicles

  3. Fix electric precipitators to factory chimneys

  4. Ban smoking in public places such as in offices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Some measures indeed help to reduce the stress on the environment like a use of catalytic converters in vehicles and ESPs in chimneys reduce the air pollutants going in an atmosphere. Smoking is injurious to the health of smoker and passive smokers too who have to inhale the smoke in their lungs causing diseases. Incinerators produce a lot of ash and residue which is not suitable for burning so it increases the air pollution.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

The gasses released from vehicle exhausts are:
I. carbon monoxide
II. sulphur dioxide
III. oxides of nitrogen

  1. I and II only

  2. I and III only

  3. II and III only

  4. I, II and III
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vehicular exhaust consist of oxides of carbon mainly carbon dioxide and carbon monoxide, sulphur dioxide and various oxides of nitrogen present in the burning fuel.