Class 6 Science Chapter 11 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 11. 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 11 MCQ Online Test for 2024-25
Class: 6 | Science |
Chapter: 11 | Air Around Us |
Contents: | MCQ Online Test with Answers |
Class 6 Science Chapter 11 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
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.
Q4
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
Q5
Priya is writing some statements, choose the correct statement and help him:
[A]. When a burning candle is covered with a gas jar, the supply of oxygen of fresh air is cut off and it stops burning.
[B]. When the burning clothes of a person are covered with woolen blanket, then the supply of fresh air is cut off and hence the clothes stops burning.
[C]. Oxygen gas is given to patient in hospitals who gave have difficulty in breathing properly.
[D]. All the above
Q6
Which of the following statement is incorrect?
[A]. All living things require air to breathe
[B]. We can feel air but we cannot see it
[C]. Moving air makes it possible to fly a kite
[D]. Air is present everywhere but not in soil
Q7
Pooja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
[A]. Our earth is surrounded by a thin layer of air.
[B]. The presence of water vapour in air is important for the water cycle in nature.
[C]. The major part of air which support burning candle, is oxygen and nitrogen.
[D]. When the water is poured on the lump of soil, it displaces the air which is seen in the form of bubbles.
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
Which of the following components of air is present in the largest amount in the atmosphere?
[A]. Nitrogen
[B]. Oxygen
[C]. Water vapour
[D]. Carbon dioxide
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
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
Q14
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.
Q15
The two gases which, taken together, make up about 99% of air:
[A]. Nitrogen and carbon dioxide
[B]. Nitrogen and Ozone
[C]. Carbon dioxide and oxygen
[D]. Nitrogen and oxygen
Q16
About one-fifth of ordinary air is:
[A]. Nitrogen
[B]. Carbon dioxide
[C]. Water vapour
[D]. Oxygen
Q17
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
Q18
Nitrogen is needed by the plants to make:
[A]. Fats
[B]. Carbohydrates
[C]. Proteins
[D]. Minerals
Q19
Air is considered to be:
[A]. A compound
[B]. A mixture
[C]. A solvent
[D]. An element
Q20
The air over industrial cities has usually higher amount of one of the following components than normal air. This is:
[A]. Oxygen
[B]. Argon
[C]. Carbon dioxide
[D]. Nitrogen
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
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Last Edited: April 21, 2023