Ready to take the quiz?
Test takers will enter name and email before starting.
Preview questions
1. What is the primary component of air?
Oxygen · Nitrogen · Carbon Dioxide · Argon
2. Which gas is essential for human respiration?
Nitrogen · Oxygen · Carbon Dioxide · Hydrogen
3. What percentage of air is made up of nitrogen?
21% · 78% · 1% · 0.03%
4. Which layer of the atmosphere contains the ozone layer?
Troposphere · Stratosphere · Mesosphere · Thermosphere
5. What is the process called when plants release oxygen?
Respiration · Photosynthesis · Transpiration · Evaporation
Related quizzes
View all GeographyClass VIIGeographyEASY
Geography Quiz: Natural Vegetation and Wildlife
Natural Vegetation and Wildlife
Class VIIGeographyEASY
Geography Quiz on Environment
Environment
Class VIIGeographyHARD
Geography Quiz on Natural Vegetation and Wildlife
Natural Vegetation and Wildlife
Class VIIGeographyEASY
Life in the Deserts - Quiz
Life in the Deserts
Class VIIGeographyHARD
Life in the Deserts - Class VII Geography Quiz
Life in the Deserts
Class VIIGeographyHARD
Geography Quiz on Human-Environment Interactions: The Temperate Forests
Human-Environment Interactions: The Temperate Forests