Class 6 Science Chapter 15 MCQ

Class 6 Science Chapter 15 MCQ (Multiple Choice Questions) of Air Around Us. All the MCQ are taken from important topics given in NCERT Book’s Chapters of class 6 Science chapter 15.

Class 6 Science extra questions are helpful for the preparation of school unit tests and periodic exams. Revise the complete chapter using these MCQ objective questions and get confident in exams.

Class 6 Science Chapter 15 MCQ Online Test for 2021-2022

Class: 6Science
Chapter: 15Air Around Us
Contents:MCQ Online Test with Answers

Class 6 Science Chapter 15 MCQ Test with Answers




Q1

The earthworms come out of the soil only during:

[A]. Very cold weather
[B]. Very hot weather
[C]. Very heavy rains
[D]. Very little rains
Q2

Mountaineers carry oxygen cylinders with them because:

[A]. There is no oxygen on high mountains
[B]. There is deficiency of oxygen on mountains at higher altitude
[C]. Oxygen is used for cooking
[D]. Oxygen keeps them warm at low temperature
Q3

Consider the following statements and choose the incorrect one:

[A]. Oxygen gas is essential for breathing or respiration.
[B]. Oxygen or air is not necessary for the purpose of burning or combustion of fuels.
[C]. The animals and plants living on land take the oxygen required for breathing from the air around them.
[D]. The animals and plants living in water take the oxygen required for breathing from the air dissolved in water.
Q4

Read the following sentences carefully, and choose the incorrect one:

[A]. The little dissolved oxygen present in sea water cannot be used for breathing by human beings such as a diver.
[B]. The process of burning of a substance is called combustion.
[C]. Whether we say that air is necessary for burning or oxygen is necessary for burning, it means the same thing.
[D]. If burning coal is covered with a vessel it continues burning.
Q5

What is not true about air?

[A]. It makes the windmill rotate
[B]. It helps in the movement of aeroplanes
[C]. Birds can fly due to presence of air
[D]. It has no role in water cycle




Q6

Shreya is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Shreya wants to take help from you:

[A]. Smoke is produced by the burning of fuels.
[B]. The tall chimneys in factories are installed to take the smoke produced in the factory high up in the air.
[C]. The traffic policemen wear masks to protect themselves from the smoke containing harmful gases.
[D]. We should breathe in air or inhale air through our mouth.
Q7

David appeared in class test but he confused to know the correct statement. Would you help him to know that?

[A]. Air is used by human beings for breathing and respiration.
[B]. Air is used for burning fuels (like wood, coal and kerosene etc.) to make fire.
[C]. Compressed air is used to fill tyres of various kinds of vehicles.
[D]. All the above
Q8

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Air do not help in the dispersal of seeds and pollen of flowers of several plants.
[B]. Air has no role for burning of phosphorus.
[C]. Air has no role for flying aeroplanes and helicopters.
[D]. All the above.
Q9

The components of air which are harmful to living beings are:

[A]. Nitrogen and carbon dioxide
[B]. Dust and water vapour
[C]. Dust and smoke
[D]. Smoke and water vapour
Q10

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. Blowing air, called wind, is used to turn the blades of windmills.
[B]. Air helps in the movement of yachts or sailing boats, parachutes, gliders and aeroplanes.
[C]. Air helps the birds, bats and insects in flying.
[D]. Air do not play an important role in the water cycle.



Q11

In a science quiz competition, Naina is asked a question where she had to choose the statement which was/were correct?

[A]. The animals which live inside the soil get oxygen for breathing from the air present between the soil particles.
[B]. The earthworms come out of the soil only during heavy rains.
[C]. Many animals living in soil dig burrows and holes deep into the soil.
[D]. All the above
Q12

Which of the following statement is or are correct?

[A]. The person who climb high mountains are called mountaineers.
[B]. The mountaineers carry oxygen gas cylinder with them while climbing high mountains.
[C]. If the clothes of a person catch fire woolen blanket is put around the burning clothes to extinguish the fire.
[D]. All the above
Q13

Wind does not help in the movement of which of the following?

[A]. Firki
[B]. Weather cock
[C]. Celling fan
[D]. Sailing yacht
Q14

Aakash is writing some statements, choose the correct statement, and help him:

[A]. Weather cock is a device which shows the direction in which the air is moving or blowing at a place.
[B]. Air transparent so we can see through it.
[C]. An empty bottle is not exactly empty it contains air in it.
[D]. All the above
Q15

Aditi is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Aditi wants to take help from you:

[A]. Air is a mixture of several two gases.
[B]. No living things can survive without air.
[C]. Moving air is called wind.
[D]. It is the moving air or blowing air which makes a phirki rotate.




Q16

The components of air which is utilized by the plants in respiration is:

[A]. Nitrogen
[B]. Carbon dioxide
[C]. Oxygen
[D]. Water vapour
Q17

About one-fifth of ordinary air is:

[A]. Nitrogen
[B]. Carbon dioxide
[C]. Water vapour
[D]. Oxygen
Q18

While deep under the sea, a deep-sea diver cannot utilize the oxygen dissolved in sea water for breathing because he does not have:

[A]. Thin skin
[B]. Gills
[C]. Stomata
[D]. Breathing tubes
Q19

Nitrogen is needed by the plants to make:

[A]. Fats
[B]. Carbohydrates
[C]. Proteins
[D]. Minerals
Q20

Air is considered to be:

[A]. A compound
[B]. A mixture
[C]. A solvent
[D]. An element



Q21

The crop plants do not depend on humans for obtaining one of the following. This one is:

[A]. Fertilizers
[B]. Oxygen
[C]. Carbon dioxide
[D]. Irrigation
Q22

Which of the following is not a common component of air that we normally breathe in?

[A]. Oxygen
[B]. Water vapour
[C]. Carbon monoxide
[D]. Nitrogen
Q23

If we try to immerse an empty glass in a water container vessel (glass mouth towards bottom side but not touched the bottom), how will some air be release from that glass?

[A]. Pour more water into the basin.
[B]. Blow bubbles into the class.
[C]. Tilt the glass
[D]. Push the glass further down
Q24

How can we find out that there is air in a sponge?

[A]. Squeeze the sponge in air
[B]. Pour water into the sponge
[C]. Blow some air into the sponge
[D]. Squeeze the sponge in water
Q25

If the clothes of a person catch fire while working in the kitchen, which of the following should be used to cover the burning clothes of a person so as to extinguish fire?

[A]. Nylon blanket
[B]. Woolen blanket
[C]. Terylene blanket
[D]. Polythene sheet

App for Class 6 all Subjects

iconicon

Help and Support

If use feel difficulty during the use of contents, please contact us for help. All the contents are free to use without any login. To clear all the key concepts we have added about 80 to 100 MCQ questions with suitable answer and explanation.