Quiz about Honors Biology Photosynthesis

Question 1

What are the two products of photosynthesis?

Accepted Answer

Oxygen and Sugar

Answer

Oxygen and Carbon Dioxide

Answer

Sunlight and Sugar

Question 2

Which of the following is the correct equation for PHOTOSYNTHESIS?

Accepted Answer

CO₂+ light + H₂O --> O₂+ Sugar

Answer

CO₂+ sugar + H₂O --> O₂+ light

Answer

_O2+ light + H₂O --> CO₂+ Sugar

Answer

CO₂+ O₂ + H₂O --> Light+ Sugar

Question 3

Which plant organelle transforms light into glucose to use as food?

Accepted Answer

Chloroplasts

Answer

Mitochondria

Answer

Vacuoles

Answer

Nucleus

Question 4

The Calvin Cycle occurs in the

Accepted Answer

Stroma

Answer

Thylakoid

Answer

Grana

Answer

Inner membrane of chloroplast

Question 5

Where do the light reactions happen?

Accepted Answer

thylakoid membrane

Answer

mitochondria membrane

Answer

stroma

Answer

central vacuole

Question 6

Choose the statement that best describes light reaction.

Accepted Answer

It converts light energy to chemical energy of ATP and NADPH

Answer

It converts CO2 to sugar molecule

Answer

It takes place in the stroma

Question 7

Which of the following is not needed to start the light reaction

Accepted Answer

CO2

Answer

H2O

Answer

ADP + P

Question 8

Where does CO2 enter the leaves through?

Accepted Answer

Stomata

Answer

Roots

Answer

Stem

Answer

Chloroplasts

Question 9

What is the ultimate ORIGINAL source of energy for living things

Accepted Answer

Sun

Answer

Sugar

Answer

Moon

Answer

Carbon Dioxide

Question 10

What is the function of NADPH and ATP?

Accepted Answer

They are short term energy carriers

Answer

They absorb light

Answer

They power the light-dependent reactions

Answer

They are light-reflecting pigments

Question 11

What is the main purpose of the light dependent reactions?

Accepted Answer

To provide the energy for the calvin cycle

Answer

To capture energy and make sugar

Answer

To reflect green light

Answer

To make sugars

Question 12

Which of the following would have the least affect on photosynthetic rate?

Accepted Answer

increasing the amount of O2 from 20% to 30% in the air

Answer

increase the temp from 20 C to 30 C

Answer

increasing the CO2 from 400 ppm to 600ppm

Answer

increasing the light intesity from 40 Watts to 60 Watts

Question 13

Which plant would have the most oxygen produced in 1 hour?

Accepted Answer

plant given white light

Answer

plant given red light only

Answer

plant given blue light only

Answer

plant given green light only

Question 14

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

Accepted Answer

to absorb different wavelengths than the chloroplasts

Answer

to block damaging wavelengths of light

Answer

to provide different colors to the leaves

Answer

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

Question 15

Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.

Accepted Answer

Carotenoids

Answer

Chlorophyll A

Answer

Chlorophyll B

Answer

A combination of all 3

Question 16

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

Accepted Answer

H2O

Answer

CO2

Answer

ATP

Answer

NADPH

Question 17

2.The function accomplished by the light-dependent reactions is ______________.

Accepted Answer

Energy and electron storage

Answer

Sugar production

Answer

Carbon fixation

Answer

Conversion of sugar

Question 18

Where does dark reaction or light independent specifically occur?

Accepted Answer

Stroma of the chloroplast

Answer

thylakoid membrane

Answer

Grana

Answer

nuclear membrane

Question 19

Which of the following light color is absorbed by plants?

Accepted Answer

Red

Answer

Green

Answer

yellow

Answer

Light green

Question 20

Which of the following statements does not describe Light independent reaction?

Accepted Answer

Produce ATP and NADPH

Answer

aka Calvin cycle

Answer

Produce glucose

Answer

Occur in the stroma of the chloroplast

Answer

Use ATP and NADPH for the reaction

Question 21

How many G3P is needed to convert to a one molecule of glucose?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Answer

5

Question 22

What leaf structure prevents water loss?

Accepted Answer

cuticle

Answer

spongy mesophyll

Answer

stoma

Answer

phloem

Question 23

What enzyme fixes CO₂ in C₄ and CAM plants?

Accepted Answer

PEP carboxylase

Answer

ATP synthase

Answer

rubisCO

Answer

lactase

Question 24

Most plants appear green because chlorophyll

Accepted Answer

reflects green light.

Answer

absorbs green light.

Answer

absorbs violet light.

Answer

does not absorb violet light.

Question 25

Which conclusion best matches the trends shown on the graph?

Accepted Answer

Corn plants produce sugars at a faster rate than bean plants.

Answer

Bean plants produce more ATP than corn plants.

Answer

Corn plants require more oxygen than bean plants.

Answer

Corn plants release more carbon dioxide than bean plants.

Question 26

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

Accepted Answer

light is absorbed and funneled to reaction-center chlorophyll a

Answer

NADP+ is produced

Answer

ATP is consumed to yield ADP

Answer

carbon dioxide is fixed in organic molecules

Question 27

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

Accepted Answer

thylakoid membrane and inner mitochondrial membranes

Answer

thylakoid membranes only

Answer

inner mitochondrial membranes only

Answer

thylakoid membrane and plasma membranes

Question 28

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

Accepted Answer

Cellular respiration is catabolic and
photosynthesis is anabolic.

Answer

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

Answer

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

Answer

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

Question 29

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

Accepted Answer

they are inversely related

Answer

they have a direct, linear relationship

Answer

they are logarithmically related

Answer

they are only related in certain parts of the spectrum

Question 30

Where do the enzymatic reactions of the Calvin cycle take place?

Accepted Answer

stroma of the chloroplast

Answer

thylakoid membranes

Answer

matrix of the mitochondria

Answer

thylakoid space

Question 31

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

Accepted Answer

the calvin cycle only

Answer

the light reactions alone

Answer

both the light reactions and the calvin cycle

Answer

the citric acid cycle

Question 32

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

Accepted Answer

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

Answer

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

Answer

obtain CO2 through their roots during the day.

Answer

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

Question 33

Compared to C3 plants, C4 plants

Accepted Answer

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

Answer

) have higher rates of photorespiration.

Answer

do not use rubisco for carbon fixation.

Answer

grow better under cool, moist conditions.

Question 34

In mitochondria, the electron transport chain pumps protons from the matrix into the intermembrane space, whereas in chloroplasts, the electron transport chain pumps protons from

Accepted Answer

stroma to thylakoid space

Answer

matrix to stroma

Answer

intermembrane space to stroma

Answer

thylakoid space to stroma

Question 35

What is the pigment in chloroplasts that performs photosynthesis?

Accepted Answer

Chlorophyll

Answer

Chlorosynthesis

Answer

ADP

Answer

Electron Transport

Question 36

Which of the following is the correct equation for PHOTOSYNTHESIS?

Accepted Answer

CO₂+ light + H₂O --> O₂+ Sugar

Answer

CO₂+ sugar + H₂O --> O₂+ light

Answer

_O2+ light + H₂O --> CO₂+ Sugar

Answer

CO₂+ O₂ + H₂O --> Light+ Sugar

Question 37

Plants or plant like organisms that make their own food using energy from the sunlight -

Accepted Answer

autotrophs

Answer

Heterotrophs

Answer

saprophytes

Answer

chemotrophs

Question 38

What colour of light is best absorbed by plants?

Accepted Answer

Red and blue

Answer

Green and Yellow

Answer

Red and green

Answer

Blue and green

Answer

Only green

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