Photosynthesis

What type of energy gets electrons "excited" in photosystem II?

• Heat energy
• Light energy
• Electrical energy
• Thermal energy

_____ are flattened, saclike membranes that are arranged in stacks in the chloroplast.

• Stroma
• Chlorophyll
• Carotenoids
• Thylakoids

Light energy splits water molecules during which part of photosynthesis?

• Light-dependent reactions
• Light-independent reactions
• Calvin cycle
• Dark reactions

The rate of photosynthesis decreases when...

• carbon dioxide levels rise.
• light intensity increases.
• stomata close.
• oxygen levels drop.

What is the main purpose of the Calvin cycle?

• produce oxygen
• produce sugar
• produce ATP
• destruction of carbon dioxide

Which product(s) of the light reactions are used during the dark reactions?

• oxygen
• carbon dioxide
• ATP and NADPH
• ADP and NADP+

Which part of a plant is responsible for the majority of photosynthesis?

• leaves
• stem
• roots
• stomata

Tags

NGSS.MS-LS1-6

Where is glucose made in plants?

• thylakoid
• thylakoid membrane
• stroma
• outside the chloroplast

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where do the light reactions happen in the cell?

• stroma
• vacuole
• outside the chloroplast
• thylakoid membrane

What is the chemical formula for glucose?

• C₂H₆O₂
• C₁₂H₁₂O₁₂
• C₂H₂O₂
• C₆H₁₂O₆

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-PS1-1