CBSE Class 9 Social Science Atmosphere and Climate (Class 9 NCERT New) Quiz 14

1. The layers of the atmosphere are classified according to changes in _________.

A altitude B density C composition D temperature

2. What type of air does cool air force up?

A polar B doldrums C warm D unmoving

3. What will happen to the volume of a gas under constant temperature if the pressure increases?

A Increase B Decrease C Nothing D Explosion!

4. What is the device that measures atmospheric pressure?

A Aerometer B Annemeter C Barometer D Humidity Detector

5. How do you convert Celsius to Kelvin?

A Add 273 B Subtract 273 C You can't convert those D They are the same thing

6. What is 0.00 degrees Kelvin known as

A No such thing B Very cold C Freezing point of Water D Absolute Zero

7. How are pressure and volume related?

A Directly B Indirectly C They aren't related

8. Which of the following would increase the pressure on a system?

A Increase the Temperature B Pump in more gas C Decrease the volume D All of these

9. What does Boyle's law relate to?

A Temperature and Volume B Volume and Pressure C Temperature and Pressure

10. What does this symbol on a weather map indicate?

A High pressure system B Low pressure system C Cold front D Warm front