15.1 Assessment

What is the primary gas produced during photosynthesis?

• Carbon Dioxide (CO₂)
• Oxygen (O₂)
• Nitrogen (N₂)
• Methane (CH₄)

Which of the following best describes the role of ozone in the atmosphere?

• It traps heat to regulate temperature
• It absorbs harmful UV radiation
• It provides oxygen for respiration
• It acts as a greenhouse gas

How does the atmosphere contribute to the water cycle?

• By storing water in lakes
• By allowing water vapor to condense and form precipitation
• By filtering pollutants from water
• By increasing ocean salinity

What happens to air pressure as altitude increases?

• It increases
• It decreases
• It remains constant
• It fluctuates randomly

Which gases are the major components of Earth's atmosphere?

• Oxygen and Carbon Dioxide
• Nitrogen and Oxygen
• Helium and Hydrogen
• Argon and Methane

What is the significance of greenhouse gases in the atmosphere?

• They cool the planet
• They trap heat and moderate temperatures
• They create weather patterns
• They provide nutrients for plants

Why do we experience different weather conditions?

• Due to the Earth's rotation
• Because of the atmosphere's composition
• As a result of the water cycle
• All of the above

What is the relationship between photosynthesis and respiration?

• They are unrelated processes
• They are the same process
• They are reverse processes
• They occur in different organisms

How does humidity affect our perception of temperature?

• High humidity makes it feel cooler
• Low humidity makes it feel warmer
• High humidity makes it feel heavier or stickier
• Humidity has no effect on temperature perception

What is the primary reason why sound cannot travel in space?

• There are no sound waves in space
• Space is a vacuum with no air
• Sound waves are too weak
• Sound is blocked by cosmic radiation