Grade 9 Photosynthesis Quiz

What are photosystems?

• a. Aggregates of pigments and proteins in chloroplasts
• b. Chemical substances that trap light energy
• c. Organelles that carry out photosynthesis
• d. Molecules that form glucose

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Where does the light reaction of photosynthesis take place?

• a. Grana
• b. Stroma
• c. Mitochondria
• d. Cell wall

Tags

NGSS.HS-LS1-5

What is the reaction center in a photosystem?

• a. A specific type of chlorophyll molecule
• b. A protein complex that harvests light energy
• c. A pigment that absorbs light
• d. A molecule that stores ATP

What is the overall product of the non-cyclic light reaction?

• a. ATP, NADPH, oxygen, and water
• b. Carbon dioxide and sugar
• c. Chlorophyll and pigments
• d. Oxygen and glucose

Tags

NGSS.HS-LS1-5

What is the dark reaction of photosynthesis?

• a. The stage where carbon dioxide is converted to sugar
• b. The stage where light energy is transformed into ATP
• c. The process of splitting water molecules
• d. The process of synthesizing pigments

Tags

NGSS.HS-LS2-5

What is the role of NADPH and ATP in the dark reaction of photosynthesis?

• a. To trap light energy and transform it into molecules of glucose
• b. To provide energy and reduce power for the synthesis of glucose
• c. To split water molecules and produce oxygen
• d. To catalyze the conversion of CO2 to PGAL

What is the difference between cyclic and non-cyclic light reactions?

• a. Cyclic reaction involves only photosystem I, while non-cyclic involves both photosystems I and II.
• b. Non-cyclic reaction involves only photosystem I, while cyclic involves both photosystems I and II.
• c. Cyclic reaction produces ATP only, while non-cyclic produces ATP and NADPH.
• d. Non-cyclic reaction produces ATP only, while cyclic produces ATP and NADPH