Photosynthesis Basics
C4 Plants
CAM Plants
Comparison Time
Environmental Adaptations
100

What are the two main stages of photosynthesis?

What are the light-dependent reactions and the Calvin cycle?

100

What is the first stable compound formed in C4 photosynthesis?

What is a 4-carbon compound (oxaloacetate)?

100

What does CAM stand for?

What is Crassulacean Acid Metabolism?

100

Which plant type stores CO₂ as a 4-carbon compound but separates steps by space?

What is a C4 plant?

100

What is the main environmental advantage of CAM photosynthesis?

What is water conservation?

200

What gas is taken in by plants during photosynthesis?

What is carbon dioxide (CO₂)?

200

Name one example of a C4 plant.

What is corn (or maize)?

200

When do CAM plants open their stomata?

What is at night?

200

Which plant type separates carbon fixation and the Calvin cycle by time?

What is a CAM plant?

200

Why do C4 plants have an advantage in high light and temperature?

Because they reduce photorespiration and efficiently fix CO₂

300

What pigment in plants captures sunlight?

What is chlorophyll?

300

In what type of climate do C4 plants typically thrive?

What is hot and sunny (tropical or subtropical)?

300

Name one example of a CAM plant.

What is a cactus (or pineapple)?

300

Which plant type is better adapted to deserts?

What is a CAM plant?

300

Which adaptation allows CAM plants to survive in arid environments?

What is night-time stomatal opening?

400

What organelle in plant cells carries out photosynthesis?

What is the chloroplast?

400

What special leaf anatomy helps C4 plants reduce photorespiration?

What is Kranz anatomy?

400

Why do CAM plants fix carbon dioxide at night?

To reduce water loss in hot, arid environments.

400

Which type of photosynthesis reduces photorespiration by concentrating CO₂?

What are both C4 and CAM pathways?

400

How do C4 and CAM plants help reduce water loss compared to C3 plants?

By minimizing stomatal opening during the hottest times.

500

What is the main product of the Calvin cycle?

What is glucose (C₆H₁₂O₆)?

500

In C4 plants, where does the Calvin cycle occur?

What are the bundle sheath cells?

500

What compound stores CO₂ overnight in CAM plants?

What is malic acid?

500

Which type of plant has both mesophyll and bundle sheath cells participating in photosynthesis?

What is a C4 plant?

500

Which environmental factor has likely driven the evolution of C4 and CAM photosynthesis?

What is a hot and dry climate with limited CO₂ availability?

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