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

Chloroplast / thylakoid membrane

Where does the Calvin cycle take place?

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

electron transfer in photosystem II and I

Which of the following events occurs in the light reactions of photosynthesis?

light is absorbed and funneled to reaction-center chlorophyll a

carbon dioxide is fixed in organic molecules

Which of the following is directly associated with Photosystem I?

receiving electrons from the thylakoid membrane ETC

harvesting light energy to make ATP

extraction of hydrogen electrons from the splitting of water

What is the primary function of cyclic electron flow?

to produce additional carbon dioxide

Which of the following statements about the relationship between photosynthesis and cellular respiration is true?

Cellular respiration is catabolic and photosynthesis is anabolic.

In cellular respiration the biochemical pathways of photosynthesis run in reverse.

In photosynthesis the biochemical pathways of cellular respiration run in reverse.

Cellular respiration occurs only in animals and photosynthesis occurs only in plants.

What is the primary function of the Calvin cycle?

produce simple sugars from carbon dioxide

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

Reactions that consume CO2 take place in

the light reactions of photosynthesis only

the light reactions and the calvin cycle

the calvin cycle and the citric acid cycle

Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?

The light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle returns ADP, ℗i, and NADP+ to the light reactions.

The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.

The light reactions supply the Calvin cycle with CO2 to produce sugars, and the Calvin cycle supplies the light reactions with sugars to produce ATP.

The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP.

CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they

fix CO2 into organic acids during the night when temperatures are cooler.

fix CO2 into by combining it with RuBP in the Calvin cycle.

obtain CO2 through their roots during the day.

fix CO2 into organic acids in the mesophyll cells, which do not rely on stomata.

Beyond Basics: The splitting/breaking of water

produces oxygen, electrons and hydrogens

occurs during Cellular Respiration

Beyond Basics: Electrons become energized during photosynthesis when

they are struck with light energy

they are incorporated into oxygen

Which of the following is the correct equation for PHOTOSYNTHESIS?

6CO 2 + 6H 2 O --> 6O 2 + C 6 H 12 O 6

6CO 2 + C 6 H 12 O 6 + 6H 2 O --> O 2

6O 2 + 6H 2 O --> 6CO 2 + C 6 H 12 O 6

C 6 H 12 O 6 + 6O 2 ---> 6H 2 O + 6CO 2

Why is photosynthesis important?

creates oxygen for animals to breath

creates energy for heterotrophs to use

Photosynthesis Ap

Authored by Charles Martinez

Biology

11th - 12th Grade

NGSS covered

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54 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where do the light-dependent reactions occur?

thylakoid membrane

stroma

mesophyll

mitochondria

Tags

NGSS.HS-LS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

ATP

NADPH

Oxygen

Glucose

Tags

NGSS.HS-LS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does ATP synthase do?

Create ATP in chemiosmosis.

Break down ATP in chemiosmosis.

Break down NADPH.

Create NADPH.

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What supplies the electrons that are lost in photosystem I?

the electrons from PS II

water

glucose

oxygen

Tags

NGSS.HS-LS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

ADP

H2O

NADPH

pyruvic acid

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Photosynthesis Ap

Where do the light-dependent reactions occur?

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

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

What does ATP synthase do?

What supplies the electrons that are lost in photosystem I?

What is the function of NADP+?

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

The enzyme responsible for Carbon Fixation in C3 Photosynthesis is

In the Calvin Cycle, carbohydrate molecules are:

The loss of H₂O through stomata is referred to as:

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Photosynthesis Ap

Where do the light-dependent reactions occur?

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

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

What does ATP synthase do?

What supplies the electrons that are lost in photosystem I?

What is the function of NADP+?

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

The enzyme responsible for Carbon Fixation in C3 Photosynthesis is

In the Calvin Cycle, carbohydrate molecules are:

The loss of H2O through stomata is referred to as:

Access all questions and much more by creating a free account

Similar Resources on Wayground

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Discover more resources for Biology

The loss of H₂O through stomata is referred to as: