Ib Photosynthesis and Their Labs

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 of the following molecules is not needed for the Calvin Cycle?

• CO₂
• ATP
• NADPH
• H₂O

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What supplies the electrons that are lost in PS I?

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

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

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

What is one function of the other pigments  besides chlorophyll, in the chloroplast?

• to block damaging wavelengths of light
• to absorb different wavelengths than the chloroplasts
• to provide different colors to the leaves
• to transfer energy to a separate photosystem beside the one using chlorophyll a and b.

Tags

NGSS.HS-LS1-5

The light-dependent reactions occur in the ________ and the light-independent reactions take place in the ________.

• Chloroplast / thylakoid membrane

• stroma / thylakoid

• mesophyl / stomata

• thylakoid membrane / stroma

Where does the Calvin cycle take place?

• stroma of the chloroplast
• thylakoid membrane
• outer membrane of the chloroplast
• interior of the thylakoid membrane

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 II and I

Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.

• Chlorophyll A
• Chlorophyll B
• Carotenoids
• A combination of all 3

Tags

NGSS.HS-LS1-5

How many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?

• 1
• 3
• 6
• 12