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NEET UG 2026 » NEET UG Study Material » Biology » Uses of Air
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Uses of Air

In this article, we will learn about air, uses of air, uses of air two examples, uses of air quality index and more.

Table of Content
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For all humans, air is the most essential resource. Air is necessary for all humans, animals, birds, and other living creatures to survive since they cannot exist without it. We can sense the presence of air, but we can’t see the air. Air is in constant motion all around us. Because air is a gaseous substance, so it is compressed easily. While cycling, flapping a hand fan, flying a kite, moving a firkin, and so on, we observed many examples of Air in our daily lives.

Air

Air is among the most desired commodities by all living beings. Without the presence of Air, we would not survive. It’s a concoction of many gases. You can’t see it, but you can definitely feel it. We can feel the presence of air when tree leaves rustle or hanging clothes lines sway. Nitrogen makes up 78.11% of air, whereas oxygen makes up 20.95 percent. Carbon dioxide, various gases, dust, our items, and water vapour are also present. It’s like a thick blanket which covers the earth’s surface. The atmosphere acts as an air envelope which covers the entire globe. We are surrounded by air, but we can’t see it because we can’t see it.

Uses of Air

Air is a natural resource that is abundantly available. When we discuss the applications of air, the first thing which comes up is that it is the most crucial element in maintaining the vitality and health of all living beings on the planet. Air, like water, is extremely valuable and has a wide range of applications.

There are many uses of air, some of which are given here.

  1. Sustain life and growth
  2. Combustion
  3. Maintaining Temperature
  4. Supplier of Energy
  5. Photosynthesis

Sustain life and growth

One of the most important life-sustaining gases is oxygen, which is found in the air. Air is inhaled and exhaled by all living creatures in the form of oxygen and carbon dioxide. Carbon dioxide and nitrogen are essential for plant growth and development.

Combustion

Another application of air is in the support of combustion or burning. The oxygen in the air aids in the combustion of fuels, allowing for activities such as cooking, operating factories and automobiles, and creating heat and power.

Maintaining Temperature

Another significant element of air is that it circulates hot and cold air to assist to maintain the temperature on the earth’s surface. Air can also act as a heat conductor. Even natural phenomena like the water cycle rely on air.

Supplier of Energy

One of the primary sources of energy is air, which is composed of energy. Cells make up living organisms, and these cells need oxygen from the blood to create energy in the form of ATP. The generation of ATP, which has a biological nature, is needed to keep life on Earth going.

Photosynthesis

Plants use carbon dioxide, which is a component of air, in the photosynthesis process. 

Biological Uses of Air

Air is required for the survival of all species on Earth.  Nitrogen and oxygen are two gases which organisms use to fuel their cells among all the gases. During breathing, oxygen is inhaled into the lungs and then released into the bloodstream, where it is distributed throughout the body’s cells.

The cells in the body use oxygen to convert sugar and release energy through the process which is considered as cellular respiration. Humans have discovered ways to pressurise air, allowing people to avoid the effects of altitude sickness when travelling to high altitudes.

Air Quality Index (AQI)

The air quality index (AQI) is defined as a number that is used to report the air quality on any given day: it tells you that how clean the air is. It monitors the amounts of particles and chemicals in the air which are harmful to people’s health. Extreme pollution can have serious health consequences in places like China. These side effects can range from minor irritability to decreased endurance and respiratory issues.

Uses of Air Quality Index

The capacity to simply and conveniently exchange data with the public is a fundamental benefit of employing an AQI. You don’t have to be an expert to know AQI numbers; they’re easily scaled and colour coded, and there’s no need to know about units or concentrations. Data is frequently reported in terms of a standard. However, this technique presumes that people understand that concentrations have no safe limits, and just because concentrations are below a standard doesn’t mean there are no health consequences.

Conclusion

Air is among the most desired commodities by all living beings.

Nitrogen makes up 78.11% of air, whereas oxygen makes up 20.95%.

Air is a natural resource that is abundantly available.

There are many uses of air, some of which are given here.

  1. Sustain life and growth
  2. Combustion
  3. Maintaining Temperature
  4. Supplier of Energy
  5. Photosynthesis

The air quality index (AQI) is defined as a number that is used to report the air quality on any given day.

faq

Frequently asked questions

Get answers to the most common queries related to the NEET Examination Preparation.

What is the air quality index?

Ans. The Air Quality Index is a metric that is used to assess air quality (AQI). The AQI will show variations in air...Read full

What is air?

Ans. Inhaling dissolved air in water is how all aquatic organisms breathe. The atmosphere is required for life to ex...Read full

Give some uses of air.

Ans. There are many uses of air some of which are given here. ...Read full

Ans. The Air Quality Index is a metric that is used to assess air quality (AQI). The AQI will show variations in air pollution levels in the atmosphere. The importance of clean air in maintaining human health and the environment cannot be overstated. Our atmosphere is mostly made up of two crucial gases: oxygen and nitrogen, both of which are essential for life on Earth.

Ans. Inhaling dissolved air in water is how all aquatic organisms breathe. The atmosphere is required for life to exist on the planet. It’s a colourless, odourless, and gaseous combination. Hydrogen, oxygen, neon, argon, carbon dioxide, helium, and a few additional gases are present. The air is composed of 78% nitrogen and 20.95% oxygen. Wind refers to flowing air, while dry air refers to air that does not include water vapour. It is colourless and undetectable. All living organisms require air to survive.

 

 

Ans. There are many uses of air some of which are given here.

  1. Sustain life and growth
  2. Combustion
  3. Maintaining Temperature
  4. Supplier of Energy
  5. Photosynthesis

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