Grade 9 Retake Photosynthesis Quiz

What is the primary pigment involved in photosynthesis?

• Xanthophyll

• Chlorophyll

• Carotenoids

• Hemoglobin

What are the products of the light-dependent reactions?

• Glucose and Oxygen

• ATP, NADPH, and Oxygen

• Carbon Dioxide and Water

• Starch and Sugars

Where does the Calvin Cycle occur?

• Grana

• Stroma

• Thylakoids

• Cytoplasm

How do plants acquire water for photosynthesis?

• Through the stomata

• From the air

• Through their roots

• Absorbed by leaves

What happens during photolysis in the light-dependent reactions?

• ATP is created

• Water is split into oxygen, electrons, and hydrogen ions

• Glucose is synthesized

• Sunlight excites chlorophyll

Which of these molecules is a reactant in photosynthesis?

• Oxygen

• Glucose

• Carbon Dioxide

• NADPH

Why are chloroplasts green?

• They absorb green light.

• They reflect green light.

• They produce green pigments exclusively.

• They reflect blue and red light.

What is the role of guard cells in plants?

• To produce glucose

• To capture sunlight

• To open and close stomata

• To absorb water

What is the energy source for the Calvin Cycle?

• Sunlight

• Glucose and ATP

• ATP and NADPH

• Oxygen

Which structure within the chloroplast contains the photosystems for light-dependent reactions?

• Stroma

• Thylakoids

• Grana

• Chlorophyll