WorksheetsLesson - 4 Air
Total questions: 12
Worksheet time: 9mins
What is air ?
Blanket of air that surrounds our Earth
Mixture of various gases like Argon,Nitrogen, CO2 etc.
Both (a) & (b)
None of these
What is the composition of air ?
Oxygen - 28.9 % , Nitrogen - 78.5 % & Other gases - 0.009 %
Oxygen - 22% , Nitrogen - 70.5 % & Other gases - 0.079 %
Oxygen - 21 % , Nitrogen - 78 % & Other gases - 1.0 %
None Of These
Increase of Greenhouse gases causes -
Humidity
Global warming
Air circulation
All of these
What do you mean by The term Global Warming ?
The average height of Troposphere is -
20 km
26 km
13 km
14km
Stratosphere is ideal for flying planes as,
It has the ozone layer
It's height is 50 km
It is free of weather phenomenons like Hailstrom,rainfall etc....
It is full of clouds
The ozone layer protects us from -
Cold weather
Hailstrom
Ultra Violent rays of sun
Rainfall
This layer helps in radio transmission ( *HINT- It lies in Thermosphere)
Troposphere
Inosphere
Exosphere
___________ is the day-to-day, hour-to-hour change
Climate
Temperature
Weather
Insolation is ,
A layer of atmosphere
It is the incoming solar energy taken by Earth
A weather phenomenon
Degree Celsius was discovered by ,
Issac Newton
Einstein
Anders Celsius
Asaphalt is ,
Another name from concrete
A black material used for constructions of roads.
Kind of cyclone
