Biology Photosynthesis Review

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

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

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

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 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

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

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

Most plants appear green because chlorophyll.....

• absorbs green light.

• absorbs violet light.

• does not absorb green light.

• does not absorb violet light.

Answer explanation

Chlorophyll reflects green light.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which of the pigments in found in chlorophyll is most efficient at lower wavelengths?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All three are equally efficient

Answer explanation

The answer is on the graph.

Tags

NGSS.HS-LS1-5