Photosynthesis Quiz

Which structures shown in Figure 8-1 make up an ATP molecule? a. A and B b. A,B, and C c. A,B,C, and D d. C and D

A,B,C, and D

What happens during photosynthesis? a. heterotrophs consume ATP b. heterotrophs produce ATP c. autotrophs consume carbohydrates d. autotrophs produce carbohydrates

autotrophs produce carbohydrates

What are the three parts of an ATP molecule? a. adenine, thylakoid, and a phosphate group b. stroma, grana, and chlorophyll c. adenine, ribosome, and three phosphate group d. NADH, NADPH, and FADH2

adenine, ribosome, and three phosphate group

In Figure 8-1, between which parts of the molecule must the bonds be broken to form an ADP molecule? a. A and B b. A and C c. B and C d. C and D

C and D

Which chemical shown in Figure 8-3 is an electron carrier molecule? a. H2O b. carbon dioxide c. NADP+ d. oxygen

NADP+

In which experimental setup shown above would you expect the Elodea plant inside the test tube to produce the LEAST amount of oxygen? a. A b. B c. C d. D

A

What are the products of the light-dependent reactions? a. oxygen and glucose b. ATP, NADPH, and oxygen gas. c. ATP, carbon dioxide gas, and NADPH d. carbon dioxide, oxygen gas, and NADPH

ATP, NADPH, and oxygen gas.

Carbon dioxide is one of the principal chemical compounds that living things use to store energy. (True or False)

False

The light-dependent reactions involve adding a hydrogen ion and two high-energy electrons to NADPH. (True or False)

False

The light-dependent reactions supply the Calvin cycle with CO2 and ATP. (True or False)

False

The process is shown in 8-12 is cellular respiration. (True or False)

False

The production of the light dependent reactions in Figure 8-12 are sugars, NADP+, ADP, and P. (True or False)

False

The products of the Calvin cycle shown in Figure 8-12 are oxygen, NADPH, and ATP. (True or False)

False

Why are election carriers needed for transporting electrons from one part of the chloroplast to another? a. High-energy electrons are highly reactive b. High-energy electrons are highly reactive

High-energy electrons are highly reactive

How does the Calvin cycle differ from the light-dependent reactions? a. it takes place in the stroma b. it takes place in chloroplast c. it requires light d. it requires water

It takes place in the storm

11. Which of the following organisms is a heterotroph? a. mushrooms b. alga c. wheat d. sunflowers

Mushrooms

If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars? a. More sugars will be produced b. No sugars will be produced c. The same number of sugars will be produced but without carbon dioxide d. Fewer sugars will be produced at first, but then the plant will recover

No sugars will be produced

In Figure why might the candle in jar A burn longer than the candle in a jar B? a. Carbon dioxide produced by plants allows the candle to burn longer b. Chlorophyll produced by plants allows the candle to burn longer c. Glucose produced by plants allows the candle to burn longer d. Oxygen produced by the plant allows the candle to burn longer

Oxygen produced by the plant allows the candle to burn longer

Which of the following activities happens within the storma? a. photosystem 1 absorbs light b. The calvin cycle produces sugars

The calvin cycle produces sugars

What makes certain molecules good electron carriers? a. They accept electrons and transfer most of their energy to another molecule b. They are very large molecules, so they have lots of room to carry many electrons

They accept electrons and transfer most of their energy to another molecule

Chlorophyll a and chlorophyll b both absorb light very well in the blue and red regions of the visible light spectrum. (True or False)

True

During the light-dependent reactions, plants use the energy in ATP and NADPH to build high-energy sugars. (True or False)

True

In Figure 8-12, carbon dioxide is needed to make sugars. (True or False)

True

The majority of the cells have only a small quantity of ATP because the ATP functions better like a molecule to store short-term energy. (True or False)

True

The organelle is shown in Figure 8-12 is a chloroplast. (True or False)

True

Which of the following is NOT a true statement about ATP? a. ATP consists of ribosome, adenine, and three phosphate groups b. ADP is produced when ATP is released c. ATP provides energy for the mechanical functions of cells d. Used ATP is discarded by the cell as waste

Used ATP is discarded by the cell as waste

Energy is released from ATP when a. a phosphate group is added b. adenosine bonds to ribose c. ATP is exposed to sunlight d. a phosphate group is removed

a phosphate group is removed

Organisms, such as plants, that make their own food are called a. autotrophs b. heterotrophs c. thylakoids d. pigments

autotrophs

Which of the following is NOT a part of an ATP molecule?a. adenine b. ribosome c. chlorophyll d. phosphate

chlorophyll

Most plants appear green because chlorophyll a. absorbs green light b. absorbs violet light c. does not absorb green light d. does not absorb violet light

does not absorb green light

What is the role of NADP+ in photosynthesis a. electron carrier b. high-energy sugar c. photosystem d. pigment

electron carrier

Organisms that cannot make their own food and must obtain energy from external sources are called a. autotrophs b. heterotrophs c. thylakoids d. plants

heterotrophs

What is the product of the Calvin cycle? a. oxygen gas b. ATP c. high-energy sugars d. carbon dioxide gas

high-energy sugars

Where in the chloroplast is chlorophyll found? a. in the ATP b. in the stroma c. in the thylakoids membrane d. in the thylakoids space

in the thylakoid membrane

where are the photosystems 1 and 2 found? a. in the storma b. in the thylakoids

in the thylakoid membrane

The Calvin cycle is another name for the... a. light-independent reactions b. light-dependent reactions c. photosynthesis reaction d. electron transport chain

light-independent reactions

Which of the following is NOT found in the overall reaction for photosynthesis? a. carbon dioxide b. water c. light d. nitrogen

nitrogen

Which of the following organisms makes its own food using light energy from the sun? a. mushroom b. amoeba c. leopard d. oak

oak

A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27*C. The gas being collected is probably a. oxygen b. carbon dioxide c. ATP d. glucose

oxygen

In the overall equation for photosynthesis, six molecules of carbon dioxide and six molecules of water result in a molecule of sugar and six molecules of a. glucose b. water c. oxygen d. ATP

oxygen

Photosynthesis uses sunlight to convert water and carbon dioxide into a. oxygen and carbon b. high-energy sugars and proteins c. ATP and oxygen d. oxygenated high energy sugars

oxygen and high-energy sugars

Plants gather energy with light-absorbing molecules called a. pigments b. thylakoids c. chloroplast d. glucose

pigments

A grana is a a. stack of chloroplast b. stack of thylakoids c. membrane enclosing a thylakoid d. photosynthesis pigment molecule

stack of thylakoids

The Calvin cycle takes place in the... a. stroma b. photosystems c. thylakoid membranes d. chlorophyll molecules

stroma

Which structure in Figure 8-2 represents a single thylakoids? a. structure A b. structure B c. structure C d. structure D

structure C

Look at Figure 8-1. All of the following are parts of an ADP molecule? a. structure A b. structure B c. structure C d. structure D

structure D

Plants get the energy they need for photosynthesis by absorbing a. high-energy sugars b. chlorophyll b c. chlorophyll a d. sunlight

sunlight

What happens when chlorophyll is struck by sunlight a. the electrons in the chlorophyll molecule become energized b. The chlorophyll molecule is broken into two parts c. A chemical reaction turns chlorophyll into high energy carbohydrates d. Energy from fat molecules is released

the electrons in the chlorophyll molecule become energized

The storma is the region outside the a. thylakoids b. chloroplast c. plant cells d. mitochondria

thylakoid

Where do the light-dependent reactions take place? a. in the storma of the chloroplast b. within the mitochondria membranes c. within the thylakoid membranes d. in outer membrane of the chloroplast

within the thylakoid membranes