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

Chloroplast / thylakoid membrane

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

Rubisco is important in which step of photosynthesis

carbon fixation when CO2 is connected to RUBP during calvin cycle

energizing the electrons in chlorophyll

regeneration phase as RUBP is made during calvin cycle

reduction of the carbon chain during the calvin cycle

The accumulation of free oxygen in Earth's atmosphere began _____

with the origin of cyanobacteria that had both photosystem I and photosystem II

with the origin of life and respiratory metabolism

with the origin of photosynthetic bacteria that had photosystem I

During photosynthesis, electrons travel downhill in which sequence?

water → photosystem II → electron transport chain → NADPH

food → NADH → electron transport chain → oxygen

glucose → pyruvate → ATP → oxygen

light → electron transport chain → chlorophyll --> ATP

Which of the following is the correct equation for PHOTOSYNTHESIS?

CO 2 + light + H 2 O --> O 2 + glucose

CO 2 + glucose + H 2 O --> O 2 + light

O2 + light + H 2 O --> CO 2 + glucose

CO 2 + O 2 + H 2 O --> Light+ glucose

Beyond Basics: Electrons become energized during photosynthesis when

they are struck with light energy

they are incorporated into oxygen

What does light do when it strikes the chlorophyll molecules of photosystems I and II?

Light causes electrons to get excited (gain energy) and travel down the electron transport chain embedded in the thylakoid membrane.

Light causes glucose to be synthesized directly inside the chlorophyll molecules of the photosystems.

Light causes the conversion of water into carbon dioxide, oxygen, and electrons.

Light directly causes carbon dioxide to attach to RuBP during the carbon fixation stage of the Calvin Cycle.

As the electrons travel from photosystem II down the first electron transport chain, their energy is used to….

pump hydrogen ions into the thylakoid space, producing a concentration gradient that will later be used by ATP synthase to form ATP.

form oxygen, water, NADPH, and glucose.

pump hydrogen ions into the stroma, producing a concentration gradient that will later be used by an enzyme to form ADP and phosphate.

Why do hydrogen ions flow from the thylakoid space to the stroma through ATP synthase?

They flow passively from the high to low concentration via facilitated diffusion. As they flow through ATP synthase, the enzyme spins and produces ATP.

They are pumped actively through the ATP synthase. This uses ATP energy and causes the production of ADP and phosphate.

They flow through the Calvin cycle and produce light.

Hydrogen ions do not actually flow from the thylakoid space to the stroma. They flow the opposite way.

What happens to the remaining G3P molecules in the last step of the dark reactions?

They are reshuffled to make RuBP by adding ATP.

They are reshuffled to make CO 2 by adding ATP.

AP BIO - PHOTOSYNTHESIS REVIEW

Authored by Lauren Kendra

Biology

11th - 12th Grade

NGSS covered

Used 80+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the Calvin cycle take place?

Stroma

thylakoid

thylakoid space

matrix

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In what respect are the photosynthetic adaptations of C₄ plants and CAM plants similar?

an enzyme other than Rubisco carries out the first step in carbon fixation

both types of plants make most of their sugar in the dark

both types of plants make their sugar without the Calvin cycle

Stomata normally close during the day

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What supplies the electrons that are lost in PS I?

the electrons from PS II

water

glucose

oxygen

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

30 sec • 1 pt

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

CO₂

ATP

NADPH

H₂O

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AP BIO - PHOTOSYNTHESIS REVIEW

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

Where does the Calvin cycle take place?

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

In what respect are the photosynthetic adaptations of C₄ plants and CAM plants similar?

What supplies the electrons that are lost in PS I?

What is the function of NADP+?

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

Green plants reflect ________ light.

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

What is the primary function of the Calvin cycle?

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Popular Resources on Wayground

Discover more resources for Biology

AP BIO - PHOTOSYNTHESIS REVIEW

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

Where does the Calvin cycle take place?

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

In what respect are the photosynthetic adaptations of C4 plants and CAM plants similar?

What supplies the electrons that are lost in PS I?

What is the function of NADP+?

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

Green plants reflect ________ light.

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

What is the primary function of the Calvin cycle?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

In what respect are the photosynthetic adaptations of C₄ plants and CAM plants similar?

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