Energy and Matter in Ecosystems Quiz

Which of the following processes is primarily responsible for converting solar energy into chemical energy in ecosystems?

• Respiration

• Photosynthesis

• Decomposition

• Nitrogen fixation

Tags

NGSS.MS-LS1-6

In the carbon cycle, which process is responsible for releasing carbon dioxide back into the atmosphere?

• Photosynthesis

• Respiration

• Nitrogen fixation

• Precipitation

Explain how the processes of photosynthesis and respiration are interconnected in the carbon cycle.

• Photosynthesis and respiration are unrelated processes.

• Photosynthesis converts carbon dioxide into glucose, while respiration converts glucose back into carbon dioxide.

• Both processes convert carbon dioxide into oxygen.

• Respiration converts oxygen into glucose, while photosynthesis converts glucose back into oxygen.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a product of photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Ammonia

Tags

NGSS.MS-LS1-6

Describe the role of nitrogen-fixing bacteria in the nitrogen cycle.

• They convert nitrogen gas into ammonia, then nitrates, which plants can use.

• They convert ammonia into nitrogen gas.

• They decompose organic matter into nitrogen gas.

• They convert nitrates into nitrogen gas.

Tags

NGSS.MS-LS2-3

Which equation correctly represents the process of photosynthesis?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Analyze how the water cycle supports the process of photosynthesis in plants.

• Water is not involved in photosynthesis.

• Water provides the hydrogen needed to form glucose.

• Water is a byproduct of photosynthesis.

• Water is only used for cooling the plant.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main purpose of cellular respiration in living organisms?

• To produce glucose

• To release energy stored in glucose

• To absorb sunlight

• To fix nitrogen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-3

Evaluate the impact of deforestation on the carbon cycle.

• It increases the amount of carbon dioxide absorbed by plants.

• It decreases the amount of carbon dioxide in the atmosphere.

• It increases the amount of carbon dioxide in the atmosphere.

• It has no impact on the carbon cycle.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Identify the reactants in the process of cellular respiration.

• Glucose and oxygen

• Carbon dioxide and water

• Nitrogen and oxygen

• Ammonia and water

Tags

NGSS.MS-LS1-7