1st Class Science Air, Water and Weather Uses of Air

Uses of Air

Category : 1st Class

*   Uses of Air

  

          Followings are the uses of air:

  • Living things breathe in air to remain live.
  • Air is very important for the growth of plants.
  • Fresh and cool air is needed for living things to be energetic and agile.
  • For making the environment fresh and healthy, natural air is needed.
  • Wind is used by man for various purpose, such as, production of electricity.
  • In the gas form, air is used in the tyres of vehicles, such as, buses, cars, cycles, motorcycles etc.
  • It is also used for filling balloons, footballs, etc.

 

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  Living things will ____ without air.

(a) Live                                                                

(b) Walk

(c) Talk                                                                 

(d) Die

 

Answer: (d)

Explanation

Option (D) is correct because, living things inhale air to live. Therefore, rest of the options is incorrect.

 

 

  Which one of the following is filled with air?

(a) Table                                             

(b) Balloon

(c) Chair                                                             

(d) Mobile

 

Answer: (b)

Explanation

Option (B) is correct because we use air to fill balloon. Therefore, rest of the options is incorrect.

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