Photosynthesis: Light Reactions

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

• ATP
• NADPH
• Oxygen
• Glucose

Tags

NGSS.HS-LS1-5

What does ATP synthase do?

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

Tags

NGSS.HS-LS1-7

Where is chlorophyll found in the chloroplast?

• in the stroma

• In the thylakoids

• 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 _______ wavengths from visible light.

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

Tags

NGSS.HS-LS1-5

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 and NADP+
• H₂O and NADPH
• NADPH and ATP
• pyruvic acid G3P

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 product is formed by the splitting water in the light dependent reaction?

• e- for PS1 and H+ for the thylakoid space

• Oxygen

• ATP

• NADPH

It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.

• ATP synthase, ATP
• ATP synthase, NADH & FADH2
• proton pump, protons
• ATP synthase, NADPH