Class Notes NCERT Solutions for CBSE Students
NCERT 7th Class (CBSE) Social Science: The Atmosphere – Quiz
15 Multiple Choice Questions related to NCERT 7th Class (CBSE) Social Science: The Atmosphere – Quiz:
- The atmosphere regulates the temperature of the Earth, protects life from harmful rays from the Sun and also contains oxygen and moisture that are essential for life.
- Nitrogen, oxygen, carbon dioxide, hydrogen and ozone are important gases in the atmosphere.
- The balance of oxygen and carbon dioxide is affected when we cut down trees.
- Greenhouse gases trap terrestrial radiation, leading to global warming.
Quiz: The Atmosphere
The word atmosphere means ‘sphere of vapour’. It is derived from the Greek words atmos meaning ‘vapour’ and sphaira meaning ‘sphere’. The atmosphere is the most dynamic of the four major realms of our planet-this is the zone where all weather and climate related phenomena like rain, wind, snow and storms occur.
- Question 1 of 15
1.
The Earth’s atmosphere is held in place by:
Correct
Wrong! Correct Answer is The gravity of the Earth
- Question 2 of 15
2.
The amount of solar radiation received by the surface of the Earth is called:
Correct
Wrong! Correct Answer is Insolation
- Question 3 of 15
3.
What percentage of the atmosphere is made up of carbon dioxide?
Correct
Wrong! Correct Answer is 0.03%
- Question 4 of 15
4.
What is meant by the greenhouse effect?
Correct
Wrong! Correct Answer is Increase in the temperature of the Earth’s surface because of the trapping of terrestrial radiation by the carbon dioxide in the atmosphere
- Question 5 of 15
5.
The process by which green plants make their food from carbon dioxide and water, in the presence of sunlight is called:
Correct
Wrong! Correct Answer is Phytosynthesis
- Question 6 of 15
6.
All the processes of weather like wind, rain and storms occur here:
Correct
Wrong! Correct Answer is Troposphere
- Question 7 of 15
7.
What is the importance of the ozone layer?
Correct
Wrong! Correct Answer is All of the above
- Question 8 of 15
8.
In the mesosphere, the temperature
Correct
Wrong! Correct Answer is Starts decreasing once more
- Question 9 of 15
9.
The electrically charged ions in the ionosphere
Correct
Wrong! Correct Answer is Enable wireless transmission
- Question 10 of 15
10.
______ is a light gas.
Correct
Wrong! Correct Answer is Helium
- Question 11 of 15
11.
Air pressure _____ as the height increases.
Correct
Wrong! Correct Answer is Falls rapidly
- Question 12 of 15
12.
The movement of air from high pressure area to low pressure area is called ______
Correct
Wrong! Correct Answer is Wind
- Question 13 of 15
13.
_____ is not a form of precipitation.
Correct
Wrong! Correct Answer is Loo
- Question 14 of 15
14.
_____ is/are types of rainfall.
Correct
Wrong! Correct Answer is All of the above
- Question 15 of 15
15.
Masses of water droplets are called _____
Correct
Wrong! Correct Answer is Cloud
