AP Biopenguins

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin Cycle?

• CO₂ and glucose

• ATP and NADPH

• ADP, P and NADP+

• H₂Oand O₂

What supplies the electrons that are lost in PS I?

• the electrons from PS II

• water

• glucose

• oxygen

Tags

NGSS.HS-LS1-5

When oxygen is released as a result of photosynthesis, it is a direct by-product of____

• reducing NADP+

• splitting water molecules

• chemiosmosis

• electron transfer in photosystem 1

Which of the following processes is most directly driven by light energy?

• carbon fixation in stroma

• reduction of NADP molecules

• ATP Synthesis

• removal of electrons from membrane-bound chlorophyll molecules

Tags

NGSS.HS-LS1-5

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

The light reactions occur in the ________ and the dark reactions take place in the ________.

• Chloroplast / thylakoid membrane

• stroma / thylakoid

• mesophyl / stomata

• thylakoid membrane / stroma

Tags

NGSS.HS-LS1-5

Where does the carbon come from that is used to form glucose?

• The soil

• CO₂ in the air

• From other carbohydrates

• Calvin Cycle

Tags

NGSS.HS-LS2-5

What is the primary function of the Calvin cycle?

• regenerate ATP for use in the light reactions of photosynthesis
• produce carbon dioxide for use in the light reactions of photosynthesis
• produce oxygen by oxidizing water
• produce simple sugars from carbon dioxide

Tags

NGSS.HS-LS1-6

The H+ concentration gradient is formed to

• make NADPH

• split a water molecule

• generate ATP

• form water

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

• NADPH

• ATP

• Water

• Oxygen gas

Tags

NGSS.HS-LS1-5