Quiz about Photosynthesis Reactions

Question 1

What is the overall photosynthesis equation using words?

Accepted Answer

carbon dioxide + water + sunlight -> glucose + oxygen

Answer

carbon dioxide + oxygen + sunlight -> glucose + water

Answer

glucose + water -> oxygen and sunlight

Answer

carbon dioxide + glucose + sunlight -> oxygen + water

Question 2

What is the overall photosynthesis equation using chemical formulas?

Accepted Answer

6CO2 + 6H20 + radiant energy -> C6H12O6 + 6O2

Answer

C6H12O6 + 6H20 + radiant energy -> 6CO2 + 6O2

Answer

CO2 + H20 + radiant energy -> C6H12O6 + O2

Answer

6O2 + 6H20 + radiant energy -> C6H12O6 + 6CO2

Question 3

Select BOTH names of the two reactions that take place during photosynthesis.

Accepted Answer

Light Independent Reaction (aka Calvin Cycle)

Accepted Answer

Light Dependent Reaction

Answer

ATP Cycle

Answer

Thylakoid Process

Question 4

Occurs in the thylakoid

Accepted Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 5

Occurs in the stroma

Accepted Answer

Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 6

Occurs in the chloroplast

Accepted Answer

Both Light Dependent and Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Question 7

Also known as the Calvin cycle

Accepted Answer

Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 8

Requires radiant energy

Accepted Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 9

Requires CO2

Accepted Answer

Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 10

Requires H20

Accepted Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 11

Produces glucose

Accepted Answer

Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 12

Produces O2 waste

Accepted Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 13

Produces ATP and NADPH

Accepted Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 14

Requires ATP and NADPH

Accepted Answer

Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Both Light Dependent and Light Independent Reaction

Question 15

Part of photosynthesis

Accepted Answer

Both Light Dependent and Light Independent Reaction

Answer

Light Dependent Reaction

Answer

Light Independent Reaction

Question 16

What energy carrying molecule is produced during the light dependent reaction?

Accepted Answer

ATP

Answer

ADP

Answer

NADP+

Answer

Glucose

Question 17

What electron acceptor molecule is produced during the light dependent reaction?

Accepted Answer

NADPH

Answer

NADP+

Answer

ATP

Answer

ADP

Question 18

What happens to the oxygen that is produced during the light dependent reaction?

Accepted Answer

It is released from the plant through the stomata

Answer

It is changed into CO2 by the enzyme rubisco

Answer

It is used in the light independent reaction

Answer

It is converted into glucose

Question 19

Which pigment molecule absorbs light in both photosystem 1 and 2 in the light dependent reaction?

Accepted Answer

chlorophyll

Answer

ATP

Answer

NADPH

Answer

xanthophyll

Question 20

Which particles are excited by (get energy from) the light energy during photosystem 1 and 2?

Accepted Answer

electrons

Answer

Calvintrons

Answer

neutrons

Answer

protons

Question 21

What happens to electrons as they move along the electron transport chain?

Accepted Answer

they lose energy

Answer

they turn into neutrons

Answer

they gain energy

Answer

they become ATP

Question 22

Which type of ions are pumped into the thylakoid using the energy provided to the electron transport chain?

Accepted Answer

Hydrogen

Answer

Nitrogen

Answer

Phosphorus

Answer

Electron

Question 23

When NADP+ gains a hydrogen ion and 2 electrons, it becomes which molecule?

Accepted Answer

NADPH

Answer

ATP

Answer

ADP

Answer

Glucose

Question 24

What enzyme helps to transform ADP into ATP?

Accepted Answer

ATP synthase

Answer

Glucose

Answer

ADP creatase

Answer

DNA transcriptase

Question 25

Which molecule contains more energy, ADP or ATP?

Accepted Answer

ATP

Answer

ADP

Answer

They both contain the same amount of energy

Question 26

Which reactant must be split into 2 hydrogen ions, 2 electrons, and 1 oxygen atom to replace the electrons that are used up in the light dependent reaction?

Accepted Answer

H2O

Answer

Radiant energy

Answer

CO2

Answer

C6H12O6

Question 27

What 2 products of the light dependent cycle are necessary for the Calvin cycle? Select BOTH.

Accepted Answer

ATP

Accepted Answer

NADPH

Answer

Carbon Dioxide

Answer

Oxygen

Question 28

What is it called when the enzyme rubisco helps to combine the carbon in CO2 with the 5 carbons in RuBP? (Hint, it is the first stage of the light independent reaction)

Accepted Answer

carbon fixation

Answer

carbon rearrangement

Answer

carbon dating

Answer

carbonification

Question 29

What molecule does ATP turn into after its energy is used during the Calvin cycle?

Accepted Answer

ADP

Answer

Glucose

Answer

NADP+

Answer

NADPH

Question 30

What particles does NADPH lose during stage 2 of the Calvin cycle?

Accepted Answer

electrons

Answer

protons

Answer

phosphates

Answer

neutrons

Question 31

Glucose contains 6 carbon atoms. Which molecule do these 6 carbon atoms originally come from?

Accepted Answer

CO2

Answer

ATP

Answer

H2O

Answer

NADPH

Question 32

How is CAM photosynthesis different from normal photosynthesis?

Accepted Answer

the plant closes its stomata during the day.

Answer

the plant takes a picture with a CAMera .

Answer

the plant closes its stomata at night.

Answer

the plant removes its own enzymes during the winter.

Question 33

What types of climates have plants that may use CAM photosynthesis?

Accepted Answer

Hot and dry

Answer

Temperate and cool

Answer

Cold and wet

Answer

Temperate and wet

Question 34

In C4 photosynthesis, the CO2 is released in a deeper layer in the leaf that has less competition with _____________ so that the plant can be more efficient.

Accepted Answer

oxygen

Answer

wate

Answer

calcium

Answer

hydrogen

Photosynthesis Reactions

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