Quiz about Biology Chapter 10 Quiz Cell Respiration

Question 1

What is ATP used for in organisms?

Accepted Answer

ATP is the molecule that organisms use to temporarily store energy.

Answer

ATP is used for long-term energy storage.

Answer

ATP is used by heterotrophs to make their own food.

Answer

ATP releases energy when the bond between the 1st and 2nd phosphate group is broken.

Question 2

How is energy released from ATP?

Accepted Answer

Energy is released by breaking the bonds between atoms, specifically when the bond between the 2nd and 3rd phosphate group is broken.

Answer

Energy is released when ATP is synthesized from ADP and a phosphate group.

Answer

Energy is released when the bond between the 1st and 2nd phosphate group is broken.

Answer

Energy is released when ATP is converted into glucose.

Question 3

What is the difference between heterotrophs and autotrophs?

Accepted Answer

Heterotrophs take in other living things for food, while autotrophs make their own food.

Answer

Heterotrophs use ATP for biosynthesis, while autotrophs use it for movement.

Answer

Heterotrophs make their own food, while autotrophs take in other living things for food.

Answer

Heterotrophs and autotrophs both use sunlight as a source of energy.

Question 4

What compound is used by cells to store and release energy?

Accepted Answer

Adenosine triphosphate (ATP)

Answer

Carbon dioxide

Answer

Ribose

Answer

Glucose

Question 5

Which of the following is NOT a component of ATP?

Accepted Answer

Sodium ions (Na+)

Answer

Adenine

Answer

Ribose

Answer

Phosphate groups

Question 6

What happens when a phosphate group is added to ADP?

Accepted Answer

It forms ATP

Answer

It creates carbon dioxide

Answer

It breaks down glucose

Answer

It produces light

Question 7

What is the main role of ATP in cells?

Accepted Answer

To act as a primary source of energy for cellular processes

Answer

To provide structural support

Answer

To store genetic information

Answer

To facilitate passive transport

Question 8

How do cells regenerate ATP from ADP?

Accepted Answer

By using the energy in sugars and other sources

Answer

By absorbing light

Answer

By converting chemical energy directly to light

Answer

By breaking down carbon dioxide

Question 9

Which Greek words does the name photosynthesis come from?

Accepted Answer

photo (light) and synthesis (putting together)

Answer

photo (color) and synthesis (to make)

Answer

phos (bright) and thesis (creation)

Answer

photon (particle of light) and synthesis (combination)

Question 10

What other words do you know that begin with the prefix photo-?

Accepted Answer

All of the above

Answer

photograph, photography, photon

Answer

photogenic, photosphere, photometer

Answer

photocopy, photoreceptor, phototropism

Question 11

What are the two different types of autotrophs mentioned in the text?

Accepted Answer

Photoautotrophs and chemoautotrophs

Answer

Herbivores and carnivores

Answer

Decomposers and consumers

Answer

Omnivores and decomposers

Question 12

Which type of organism makes its own food using light energy?

Accepted Answer

Photoautotrophs

Answer

Heterotrophs

Answer

Chemoautotrophs

Answer

Carnivores

Question 13

What is the role of autotrophs in the ecosystem?

Accepted Answer

They make their own food and are a source of energy for other organisms.

Answer

They consume dead organisms and wastes.

Answer

They only exist near vents on the ocean floor.

Answer

They obtain energy by consuming other organisms.

Question 14

Which molecule has a higher potential energy, ADP or ATP?

Accepted Answer

ATP

Answer

ADP

Answer

Both have the same potential energy

Answer

The text does not provide this information

Question 15

What happens during the process of photosynthesis?

Accepted Answer

Autotrophs use light energy to make food for themselves.

Answer

Animals obtain energy by consuming other organisms.

Answer

Autotrophs make their own food using chemical energy from vents on the ocean floor.

Answer

Heterotrophs make their own food using light energy.

Question 16

What is the type of sugar present in ATP?

Accepted Answer

Ribose

Answer

Adenine

Answer

Phosphate

Answer

Glucose

Question 17

How does ADP get converted to ATP?

Accepted Answer

By adding one phosphate group

Answer

By losing two phosphate groups

Answer

By consuming other organisms

Answer

By using light energy

Question 18

What are the sac-like membranes that contain chlorophyll in the chloroplast known as?

Accepted Answer

Thylakoids

Answer

Granum

Answer

Stroma

Answer

Membrane

Question 19

A granum is a stack of what?

Accepted Answer

Thylakoids

Answer

Chloroplasts

Answer

Membranes

Answer

Stroma

Question 20

What is the fluid portion of the chloroplast outside of the thylakoids called?

Accepted Answer

Stroma

Answer

Membrane

Answer

Granum

Answer

Chlorophyll

Question 21

How many membranes surround and enclose the chloroplasts?

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

Question 22

What is the primary pigment that photosynthetic organisms use to capture energy from sunlight?

Accepted Answer

Chlorophyll

Answer

Carotene

Answer

NADP+

Answer

Thylakoid

Question 23

What are the two types of chlorophyll found in plants?

Accepted Answer

Chlorophyll a and b

Answer

Chlorophyll c and d

Answer

Chlorophyll e and f

Answer

Chlorophyll g and h

Question 24

Where in the chloroplast do the light-dependent reactions of photosynthesis occur?

Accepted Answer

In the thylakoids

Answer

In the stroma

Answer

Outside of the chloroplasts

Answer

In the NADP+

Question 25

What is the role of NADP+ in photosynthesis?

Accepted Answer

It is an electron carrier molecule.

Answer

It is a pigment that absorbs light.

Answer

It is a stack of thylakoids.

Answer

It is the fluid outside of the thylakoids.

Question 26

What happens to NADP+ when it accepts two high-energy electrons?

Accepted Answer

It turns into NADPH.

Answer

It becomes a chlorophyll molecule.

Answer

It is transformed into a thylakoid.

Answer

It is converted into ATP.

Question 27

What is the function of the high-energy electrons that are produced by chlorophyll?

Accepted Answer

They are transferred to other molecules where they are needed.

Answer

They are used to create chloroplasts.

Answer

They are used to absorb more sunlight.

Answer

They are used to break down water molecules.

Question 28

What are the reactants of photosynthesis?

Accepted Answer

Water and carbon dioxide

Answer

Oxygen and sugars

Answer

ATP and NADPH

Answer

Glucose and oxygen

Question 29

What is the primary purpose of the light-dependent reactions in photosynthesis?

Accepted Answer

To convert ADP into ATP and NADP+ into NADPH

Answer

To produce glucose

Answer

To fix carbon dioxide into sugars

Answer

To release oxygen as a by-product

Question 30

Where do the light-dependent reactions of photosynthesis take place?

Accepted Answer

Thylakoid

Answer

Stroma

Answer

Chloroplast

Answer

Mitochondria

Question 31

What is the role of NADPH in photosynthesis?

Accepted Answer

It carries high-energy electrons that provide energy for the light-independent reactions.

Answer

It carries high-energy electrons to the light-dependent reactions.

Answer

It is used to split water molecules into oxygen and hydrogen.

Answer

It converts carbon dioxide into glucose.

Question 32

What are the products of the light-independent reactions (Calvin cycle) in photosynthesis?

Accepted Answer

High-energy sugars primarily in the form of glucose

Answer

Oxygen and hydrogen ions

Answer

ATP and NADPH

Answer

High-energy sugars and oxygen

Question 33

What molecule is "fixed" during the light-independent reactions of photosynthesis?

Accepted Answer

Carbon dioxide (CO2)

Answer

Oxygen (O2)

Answer

Water (H2O)

Answer

Glucose (C6H12O6)

Question 34

Where do the light-dependent reactions of photosynthesis occur?

Accepted Answer

Across the thylakoid membrane of a chloroplast

Answer

In the stroma of the chloroplast

Answer

Outside the chloroplasts

Answer

In the electron transport chain

Question 35

What is produced as a by-product of the light-dependent reactions?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

ATP

Answer

Glucose

Question 36

What do the light-dependent reactions use to convert ADP and NADP+ into ATP and NADPH?

Accepted Answer

Solar energy

Answer

Chlorophyll

Answer

Carbon dioxide

Answer

Water

Question 37

What is the main role of photosystem II in the light-dependent reactions?

Accepted Answer

To absorb light and raise the energy level of electrons

Answer

To produce glucose

Answer

To fix carbon dioxide

Answer

To split water molecules

Question 38

Which of the following is NOT a factor affecting photosynthesis?

Accepted Answer

Availability of oxygen

Answer

Temperature

Answer

Light intensity

Answer

Availability of water

Question 39

What is the primary function of the Electron Transport Chain (ETC) in photosynthesis?

Accepted Answer

To use energy from electrons to pump protons across the thylakoid membrane

Answer

To produce glucose directly from carbon dioxide

Answer

To convert ADP into ATP without using light energy

Answer

To capture light energy and convert it into chemical energy directly

Question 40

Which molecule provides a pathway for the protons to move back across the thylakoid membrane in the process of ATP formation?

Accepted Answer

ATP synthase

Answer

NADPH

Answer

Chlorophyll

Answer

Carbon dioxide

Question 41

What are the products of water splitting in photosystem II (PS II)?

Accepted Answer

Electrons, oxygen, and hydrogen ions

Answer

ATP and NADPH

Answer

Glucose and oxygen

Answer

Carbon dioxide and water

Question 42

Where does the Calvin cycle take place within the chloroplast?

Accepted Answer

In the stroma

Answer

In the thylakoid sac

Answer

In the electron transport chain

Answer

In the chlorophyll molecules

Question 43

How many carbon dioxide molecules are used to produce a single 3-carbon sugar in the Calvin cycle?

Accepted Answer

3

Answer

1

Answer

2

Answer

6

Question 44

What is the role of ATP synthase in the light-dependent reactions of photosynthesis?

Accepted Answer

It provides a pathway for protons to move back across the thylakoid membrane, facilitating the conversion of ADP to ATP.

Answer

It splits water molecules to generate oxygen.

Answer

It captures light energy and transfers it to electrons.

Answer

It fixes carbon dioxide into organic sugars.

Question 45

What is the main product generated during the Calvin cycle that contains 3 carbon atoms?

Accepted Answer

Glucose

Answer

ATP

Answer

NADPH

Answer

O2

Question 46

Which of the following is NOT a factor affecting the rate of photosynthesis?

Accepted Answer

Soil quality

Answer

Temperature

Answer

Light intensity

Answer

Water availability

Question 47

What adaptation do C4 plants have to fix CO2 efficiently under dry conditions?

Accepted Answer

They have an extra enzyme that assists RuBisCO.

Answer

They close their stomata to conserve water.

Answer

They have a thicker cuticle to reduce water loss.

Answer

They increase their leaf surface area.

Question 48

What is the name of the 3-carbon molecule that is the first stable product of the Calvin cycle?

Accepted Answer

C3

Answer

C4

Answer

ATP

Answer

NADPH

Question 49

Which type of plants use a special pathway that results in a four-carbon compound to conserve water under dry conditions?

Accepted Answer

C4 plants

Answer

CAM plants

Answer

C3 plants

Answer

Coniferous plants

Question 50

What do CAM plants store at night as an organic acid?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Water

Answer

Glucose

Question 51

Which family does the Jade plant belong to?

Accepted Answer

Crassulacea

Answer

Rosaceae

Answer

Fabaceae

Answer

Solanaceae

Question 52

Label the diagram with the four molecules that carry energy through photosynthesis.

Accepted Answer

CO2, ATP, NADPH, Sugars and Other Compounds

Answer

O2, ADP, NADP+, Sugars and Other Compounds

Answer

CO2, ADP, NADP+, Sugars and Other Compounds

Answer

O2, ATP, NADPH, Sugars and Other Compounds

Question 53

Where does the ATP and NADPH get created?

Accepted Answer

The light-dependent reactions

Answer

The light-independent reactions

Answer

The Calvin cycle

Answer

The Krebs cycle

Question 54

How many molecules of carbon dioxide are required to produce a 6-carbon sugar?

Accepted Answer

Six

Answer

Three

Answer

Twelve

Answer

Two

Question 55

The main pigment of green plants is:

Accepted Answer

chlorophyll

Answer

thylakoid

Answer

carotene

Answer

chloroplast

Question 56

What concentration gradient powers ATP synthase?

Accepted Answer

H+

Answer

O2

Answer

CO2

Answer

H2O

Question 57

Match the vocabulary term to its definition: material that absorbs light energy.

Accepted Answer

pigment

Answer

stroma

Answer

ATP

Answer

light-dependent

Question 58

Match the vocabulary term to its definition: source of temporary energy.

Accepted Answer

ATP

Answer

stroma

Answer

pigment

Answer

light-dependent

Question 59

Match the vocabulary term to its definition: reactions that occur in the thylakoid membrane.

Accepted Answer

light-dependent

Answer

stroma

Answer

pigment

Answer

ATP

Question 60

Match the vocabulary term to its definition: fluid matrix of chloroplasts.

Accepted Answer

stroma

Answer

pigment

Answer

ATP

Answer

light-dependent

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