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.

Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells?

thylakoid membanes of chloroplasts

In photosynthetic cells, synthesis of ATP by chemiosmosis occurs during

both photosynthesis and cellular respiration

What is the relationship between wavelength of light and the quantity of energy per photon?

they have a direct, linear relationship

they are logarithmically related

they are only related in certain parts of the spectrum

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

In C3 photosynthesis, the reactions that require ATP take place in

both the light reactions and the calvin cycle

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.

Compared to C3 plants, C4 plants

can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations.

have higher rates of photorespiration.

do not use rubisco for carbon fixation.

grow better under cool, moist conditions.

In chemiosmosis in mitochondria, protons flow from the intermembrane space into the matrix, whereas in chemiosmosis in chloroplasts, protons flow from

intermembrane space to the stroma

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

to absorb different wavelengths than the chloroplasts

to block damaging wavelengths of light

to provide different colors to the leaves

to transfer energy to a separate photosystem beside the one using chlorophyll a and b.

What is the function of NADP+?

It is a light-reflecting pigment

It acts as long-term energy storage

In a plant cell, where are the ATP synthase complexes located?

In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from

the stroma to the thylakoid space.

the thylakoid space to the stroma.

the stroma to the photosystem II.

The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during

neither photosynthesis nor respiration.

In metabolic processes of cell respiration and photosynthesis, prosthetic groups such as heme and iron–sulfur complexes are encountered in components of the electron transport chain. What do they do?

both oxidize and reduce during electron transport

transport protons within the mitochondria and chloroplasts

If photosynthesizing green algae are provided with CO2 synthesized with heavy oxygen (18O), later analysis will show that all but one of the following compounds produced by the algae contain the 18O label. That one is

glyceraldehyde 3–phosphate (G3P).

What is the main role of the pigment molecules in a light-harvesting complex in the thylakoid membranes?

transfer light energy to the reaction-center chlorophyll

split water and release oxygen to te reaction-center chloropyll

Which of the following processes could still occur in a chloroplast in the presence of an inhibitor that prevents H+ from passing through ATP synthasecomplexes?

generation of proton-motive force

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

removal of electrons from membrane-bound chlorophyll molecules

In what respect are the photosynthetic adaptations of C 4 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

What is the relationship between wavelngth of light and the quanitity of energy per photon?

only related in certain parts of the spectrum

The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during ______

neither photosynthesis or respiration

both photosynthesis and respiration

AP Bio Chp 10 Photosynthesis

11th Grade - University

•

86 Qs

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AP Bio Chp 10 Photosynthesis

Quiz

•

Biology

•

11th Grade - University

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-5, HS-LS2-5, HS-LS1-7

Standards-aligned

Samantha Shen

Used 82+ times

FREE Resource

86 questions

Show all answers

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

H2O and O2

electrons and H+

ATP and NADPH

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the Calvin cycle take place?

stroma of the chloroplast

thylakoid membrane

outer membrane of the chloroplast

interior of the thylakoid membrane

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 II and I

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

NADP+ is produced

ATP is consumed to yield ADP

carbon dioxide is fixed in organic molecules

light is absorbed and funneled to reaction-center chlorophyll a

Which of the following is directly associated with Photosystem I?

harvesting light energy to make ATP

receiving electrons from the thylakoid membrane ETC

generation of molecular oxygen

extraction of hydrogen electrons from the splitting of water

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of cyclic electron flow?

to produce additional NADPH

to produce additional ATP

to produce additional oxygen

to produce additional carbon dioxide

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a plant cell, where are ATP synthase complexes located?

thylakoid membranes only

inner mitochondrial membranes only

thylakoid membrane and inner mitochondrial membranes

thylakoid membrane and plasma membranes

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