Class Notes NCERT Solutions for CBSE Students
NCERT 5th Class (CBSE) Science: Air and Water – Quiz
15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Air and Water – Quiz:
- Impurities that dissolve in water are called soluble impurities. Eg: salt, sugar
- The rate of sedimentation can be increased by adding special chemicals like alum. This process is called loading.
- Air pressure helps us in our everyday life. We would not be able to do many things if there is no air pressure. some examples are Filling up fountain pens.
Quiz: Air and Water
Air and water both are essential for us. Life on the earth is possible due to presence of air and water in it. Air is an invisible mixture of gases, made up of a teeming mass of millions of tiny gases, made up of a teeming mass of millions of tiny gas molecules that move around randomly and at highest speed.
- Question 1 of 15
1.
The blanket of air that covers the earth is called ____
Correct
Wrong! Correct Answer is Atmosphere
- Question 2 of 15
2.
The ozone layer is found in
Correct
Wrong! Correct Answer is Stratosphere
- Question 3 of 15
3.
Which component of air cannot be used directly by the living beings?
Correct
Wrong! Correct Answer is Nitrogen
- Question 4 of 15
4.
Which component of air helps in burning?
Correct
Wrong! Correct Answer is Oxygen
- Question 5 of 15
5.
Diseases like asthma, bronchitis etc. are caused due to ________
Correct
Wrong! Correct Answer is Polluted air
- Question 6 of 15
6.
The process in which impure muddy water is allowed to stand undisturbed in a container, is called _______
Correct
Wrong! Correct Answer is Sdimentation
- Question 7 of 15
7.
The easiest and most common method to purify water before consumption is _____
Correct
Wrong! Correct Answer is Boiling
- Question 8 of 15
8.
Purification of water first by evaporation and then by condensation is called ________
Correct
Wrong! Correct Answer is Distillation
- Question 9 of 15
9.
Things like syringe, dropper, drinking straw work on the principle of _______
Correct
Wrong! Correct Answer is Air pressure
- Question 10 of 15
10.
Aquatic plants and animals get air dissolved in ______
Correct
Wrong! Correct Answer is Water
- Question 11 of 15
11.
The gas responsible for stopping ultraviolet rays is ________.
Correct
Wrong! Correct Answer is Ozone
- Question 12 of 15
12.
Which gas is needed for fire to burn?
Correct
Wrong! Correct Answer is Oxygen
- Question 13 of 15
13.
Rohit took a deep breath and blew into a flat paper bag to make it puff up. What dose this snow?
Correct
Wrong! Correct Answer is Air occupies space
- Question 14 of 15
14.
Which of the following processes gives pure water suitable for drinking?
Correct
Wrong! Correct Answer is Distillation
- Question 15 of 15
15.
Which of the processes kills most bacteria?
Correct
Wrong! Correct Answer is Disinfection
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