Question 1

What type of plant is corn?

Accepted Answer

A)  C3 
B)  C4 
C)  CAM 
D)  it becomes a CAM plant if grown in the desert 
E)  it becomes a C3 plant if grown in cold climates 
A)  C3 
B)  C4 
C)  CAM 
D)  it becomes a CAM plant if grown in the desert 
E)  it becomes a C3 plant if grown in cold climates

Question 2

Which of the following statements related to photosynthesis is INCORRECT?

Accepted Answer

A)  The first stage of photosynthesis occurs in thylakoid membranes and requires light. 
B)  The second stage of photosynthesis takes place in the stroma and does not require light. 
C)  During the light-dependent reactions, glucose is produced. 
D)  Water molecules are converted to oxygen gas. 
E)  The light independent reactions occur in the stroma. 
A)  The first stage of photosynthesis occurs in thylakoid membranes and requires light. 
B)  The second stage of photosynthesis takes place in the stroma and does not require light. 
C)  During the light-dependent reactions, glucose is produced. 
D)  Water molecules are converted to oxygen gas. 
E)  The light independent reactions occur in the stroma.

Question 3

ATP is formed when ____ the thylakoid compartment.

Accepted Answer

A)  hydrogen ions enter 
B)  hydrogen ions leave 
C)  electrons leave 
D)  electrons enter 
E)  water is split in 
A)  hydrogen ions enter 
B)  hydrogen ions leave 
C)  electrons leave 
D)  electrons enter 
E)  water is split in

Question 4

Which of the following is NOT true about fossil fuels?

Accepted Answer

A)  they currently are not cost effective 
B)  they are made from non-fossilized organic matter 
C)  they include oils, gases, and alcohols mainly from plants 
D)  they add more carbon dioxide to the atmosphere 
E)  more than one of these is not true 
A)  they currently are not cost effective 
B)  they are made from non-fossilized organic matter 
C)  they include oils, gases, and alcohols mainly from plants 
D)  they add more carbon dioxide to the atmosphere 
E)  more than one of these is not true

Question 5

Which of the following statements is TRUE?

Accepted Answer

A)  In aerobic respiration, ATP is released in the very first reaction. 
B)  The process of glycolysis is restricted to anaerobic organisms. 
C)  Ribose is a substitute for glucose in some pathways. 
D)  Glycolysis occurs free in the mitochondria. 
E)  Enzymes lower the activation energy for each step in the chemical reactions in respiration. 
A)  In aerobic respiration, ATP is released in the very first reaction. 
B)  The process of glycolysis is restricted to anaerobic organisms. 
C)  Ribose is a substitute for glucose in some pathways. 
D)  Glycolysis occurs free in the mitochondria. 
E)  Enzymes lower the activation energy for each step in the chemical reactions in respiration.

Question 6

Photosynthesis converts the energy of light into

Accepted Answer

A)  pigments. 
B)  chemical bond energy. 
C)  carbohydrates. 
D)  electrons and protons. 
E)  heat energy. 
A)  pigments. 
B)  chemical bond energy. 
C)  carbohydrates. 
D)  electrons and protons. 
E)  heat energy.

Question 7

How many carbon dioxide molecules does it take to synthesize one molecule of glucose?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  12 
E)  18 
A)  2 
B)  4 
C)  6 
D)  12 
E)  18

Question 8

During electron transport phosphorylation,which ions accumulate in the outer compartment of the mitochondria?

Accepted Answer

A)  calcium 
B)  hydrogen 
C)  oxygen 
D)  phosphorus 
E)  sodium 
A)  calcium 
B)  hydrogen 
C)  oxygen 
D)  phosphorus 
E)  sodium

Question 9

For a glucose molecule which is completely oxidized during the process of cellular respiration,what is the correct sequence of series of reactions?

Accepted Answer

A)  I >>> II >>> III 
B)  I >>> III >>> II 
C)  II >>> I >>> III 
D)  II >>> III >>> I 
E)  III >>> I >>> II 
A)  I >>> II >>> III 
B)  I >>> III >>> II 
C)  II >>> I >>> III 
D)  II >>> III >>> I 
E)  III >>> I >>> II

Question 10

In C4 plants,which of the following events of photosyntesis takes place first?

Accepted Answer

A)  carbon from carbon dioxide is fixed by an enzyme that does not use oxygen 
B)  carbon from carbon dioxide is fixed by rubisco 
C)  glucose is produced 
D)  glucose is converted into sucrose 
E)  RuBP splits into two PGA molecules 
A)  carbon from carbon dioxide is fixed by an enzyme that does not use oxygen 
B)  carbon from carbon dioxide is fixed by rubisco 
C)  glucose is produced 
D)  glucose is converted into sucrose 
E)  RuBP splits into two PGA molecules

Question 11

Carrots are orange because of which pigment?

Accepted Answer

A)  anthocyanin 
B)  beta-carotene 
C)  chlorophyll a 
D)  chlorophyll b 
E)  phycoerythrobilin 
A)  anthocyanin 
B)  beta-carotene 
C)  chlorophyll a 
D)  chlorophyll b 
E)  phycoerythrobilin

Question 12

Which of the following is occurring because of the warming trend we are currently in?

Accepted Answer

A)  birds are laying eggs earlier 
B)  plants are flowering earlier 
C)  mammals are hibernating for shorter periods 
D)  the rate of extinctions is increasing 
E)  all of these are occurring 
A)  birds are laying eggs earlier 
B)  plants are flowering earlier 
C)  mammals are hibernating for shorter periods 
D)  the rate of extinctions is increasing 
E)  all of these are occurring

Question 13

What is the role of oxygen gas in aerobic respiration?

Accepted Answer

A)  providing electrons for NADH 
B)  accepting energy from glucose 
C)  accepting electrons from electron transport 
D)  providing kinetic energy for ATP synthase 
E)  donating electrons for electron transport 
A)  providing electrons for NADH 
B)  accepting energy from glucose 
C)  accepting electrons from electron transport 
D)  providing kinetic energy for ATP synthase 
E)  donating electrons for electron transport

Question 14

Photosystems are mainly

Accepted Answer

A)  a grouping of energy-trapping molecules. 
B)  enzymes for splitting water. 
C)  a cluster of ATP molecules. 
D)  a sugar assembly site. 
E)  assemblies of thylakoids. 
A)  a grouping of energy-trapping molecules. 
B)  enzymes for splitting water. 
C)  a cluster of ATP molecules. 
D)  a sugar assembly site. 
E)  assemblies of thylakoids.

Question 15

Ultimately,for aerobic organisms,where does the energy in ATP come from?

Accepted Answer

A)  glucose 
B)  pyruvate 
C)  water 
D)  NADPH 
E)  sunlight 
A)  glucose 
B)  pyruvate 
C)  water 
D)  NADPH 
E)  sunlight

Question 16

For glycolysis to occur,

Accepted Answer

A)  glucose must enter the mitochondria. 
B)  there must be an input of energy from ATP. 
C)  oxygen must be available. 
D)  ATP syntase must be activated. 
E)  heat must be supplied. 
A)  glucose must enter the mitochondria. 
B)  there must be an input of energy from ATP. 
C)  oxygen must be available. 
D)  ATP syntase must be activated. 
E)  heat must be supplied.

Question 17

What happens to anaerobic organisms when they are exposed to oxygen?

Accepted Answer

A)  they become anaerobic 
B)  they die 
C)  they increase their metabolic rate 
D)  they start rapidly reproducing 
E)  nothing happens to them 
A)  they become anaerobic 
B)  they die 
C)  they increase their metabolic rate 
D)  they start rapidly reproducing 
E)  nothing happens to them

Question 18

The energy that drives the light-independent reactions comes from

Accepted Answer

A)  sunlight. 
B)  glucose. 
C)  carbon dioxide. 
D)  ATP and NADPH. 
E)  water and oxygen. 
A)  sunlight. 
B)  glucose. 
C)  carbon dioxide. 
D)  ATP and NADPH. 
E)  water and oxygen.

Question 19

In which of the following cellular organelles does photosynthesis take place?

Accepted Answer

A)  rough endoplasmic reticula 
B)  Golgi bodies 
C)  mitochondria 
D)  chloroplasts 
E)  more than one of these organelles is responsible for photosynthesis 
A)  rough endoplasmic reticula 
B)  Golgi bodies 
C)  mitochondria 
D)  chloroplasts 
E)  more than one of these organelles is responsible for photosynthesis

Question 20

The membrane that forms a compartment inside the stroma is the

Accepted Answer

A)  thylakoid. 
B)  mitochondrion. 
C)  lamella. 
D)  plastid. 
E)  tracheid. 
A)  thylakoid. 
B)  mitochondrion. 
C)  lamella. 
D)  plastid. 
E)  tracheid.

Exam 5: Capturing and Releasing Energy

What type of plant is corn?

Which of the following statements related to photosynthesis is INCORRECT?

ATP is formed when ____ the thylakoid compartment.

Which of the following is NOT true about fossil fuels?

Which of the following statements is TRUE?

Photosynthesis converts the energy of light into

How many carbon dioxide molecules does it take to synthesize one molecule of glucose?

During electron transport phosphorylation,which ions accumulate in the outer compartment of the mitochondria?

For a glucose molecule which is completely oxidized during the process of cellular respiration,what is the correct sequence of series of reactions?

In C4 plants,which of the following events of photosyntesis takes place first?

Carrots are orange because of which pigment?

Which of the following is occurring because of the warming trend we are currently in?

What is the role of oxygen gas in aerobic respiration?

Photosystems are mainly

Ultimately,for aerobic organisms,where does the energy in ATP come from?

For glycolysis to occur,

What happens to anaerobic organisms when they are exposed to oxygen?

The energy that drives the light-independent reactions comes from

In which of the following cellular organelles does photosynthesis take place?

The membrane that forms a compartment inside the stroma is the

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters