Environment Quiz

What is an example of a biotic factor in an ecosystem?

• • Temperature

• • Soil pH

• • Amount of sunlight

• • Predation

What is the main reason for the temperature decrease in the mesosphere?

• Decrease in UV absorption

• Increase in greenhouse gases

• Increase in altitude

• Decrease in air pressure

Which country is the world's largest producer of geothermal energy?

• Russia
• United States
• China
• India

Which scientist is credited with the discovery of photovoltaic effect, a principle behind solar panels?

• Marie Curie
• Isaac Newton
• Alexandre-Edmond Becquerel
• Albert Einstein

Which non-renewable resource is the main component in the production of plastics?

• Coal
• Natural Gas
• Oil

• Uranium

What is the approximate percentage of oxygen in the Earth's atmosphere?

• 25%
• 1%

• 0.004%

• 21%

Which of the following is a primary source of methane emissions into the atmosphere?

• Volcanic eruptions

• Deforestation

• Livestock

• Burning fossil fuels

What is the main role of the ionosphere in the atmosphere?

• Weather regulation

• Absorption of cosmic rays

• Formation of clouds

• Protection from UV radiation

What is the term for the boundary between the oceanic crust and the underlying mantle?

• Ridge

• Trench

• Abyssal plain

• Mohorovičić discontinuity (Moho)

What is the largest freshwater lake by surface area in the world?

• Lake Michigan
• Lake Superior
• Lake Huron
• Lake Ontario