Which gas released in the atmosphere creates a greenhouse effect trapping the heat?
  • Carbon dioxide
  • Oxygen
  • Nitrogen
  • All of these
Excess amount of CO2 is responsible for
  • global cooling
  • global warming
  • both (a) and (b)
  • none of these
What are the important objects for survival of plants and animals?
  • Rainfall
  • Sun light
  • Oxygen
  • All of these
Which one of the following gases is present in the atmosphere in the highest amount?
  • Oxygen
  • Carbon dioxide
  • Nitrogen
  • Lithium
Which gas is used by the green plants to make their food?
  • Oxygen
  • Carbon dioxide
  • Nitrogen
  • None of these
Which is the important gas used by human beings for breathing?
  • Nitrogen
  • Carbon dioxide
  • Oxygen
  • Sodium chloride
When the air is heated it becomes
  • Lighter?
  • Heavier?
  • Colder?
  • None of these
What is the average height of the troposphere?
  • 3 km
  • 6 km
  • 9 km
  • 13 km
As we go up in troposphere layer of the atmosphere the pressure
  • increases
  • decreases
  • no change
  • all of these
Which one of the following gases protects us from harmful sun’s rays?
  • Ozone
  • Nitrogen
  • Carbon dioxide
  • Oxygen
Which of the following are part of weather forecast in the newspapers?
  • Temperature
  • Humidity
  • Time of Sunset
  • All of These
Which element of weather is measured in degree Celsius?
  • Temperature
  • Pressure
  • Wind
  • Gravity
The water boils at
  • 10°C
  • 50°C
  • 75°C
  • 100°C
Where is the air pressure highest?
  • Moon
  • Sea Level
  • Stratosphere
  • Exosphere
What is very hot wind called?
  • Loo
  • Cool breeze
  • Monsoon air
  • Trade wind
Which one of the following is a local wind?
  • Sea breeze
  • Trade wind
  • Monsoon wind
  • None of these
Rain, snow sleet or hail are the different forms of:
  • Condensation
  • Evaporation
  • Precipitation
  • All of these
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0