Light Reaction of Photosynthesis

What is the primary function of the light reactions of photosynthesis?

• To produce glucose
• To produce NADPH and ATP
• To use ATP
• To produce RuBP

Tags

NGSS.HS-LS1-5

Which of the following is NOT a product of the light reactions?

• ATP
• NADPH
• Oxygen
• Glucose

Tags

NGSS.MS-LS1-6

What does ATP synthase do?

• Create ATP in chemiosmosis.
• Break down ATP in chemiosmosis.
• Break down NADPH. 
• Create NADPH.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Where is chlorophyll found in the chloroplast?

• in the stroma
• within photosystems
• in the ATP synthase
• in the electron carrier molecule

What supplies the electrons that are lost in photosystem I (PSI)?

• the electrons from PS II
• water
• glucose
• oxygen

Chlorophyll absorbs _____ and _______ light from the light.

• purple and green
• red and blue
• black and orange
• yellow and green

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the function of NADP+?

• It absorbs light
• It is an electron carrier
• It is a light-reflecting pigment
• It acts as long-term energy storage

Which substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?

• ADP
• H₂O
• NADPH
• pyruvic acid

What is the ultimate source of energy for life on Earth?

• glucose
• sunlight
• ATP
• H2O

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the purpose of splitting water in PS2 of the light dependent reaction?

• Provides e- for PS2 and H+ for the thylakoid space
• To produce Oxygen for animals
• There is no purpose

Tags

NGSS.MS-LS1-6