Question 1

Which arrow would be most closely related to kinetic energy?

Accepted Answer

A)  Arrow A, the tongue extending 
B)  Arrow B, the insect being eaten 
C)  Arrow C, sunlight striking the chameleon 
D)  Arrow D, heat radiating from the chameleon 
A)  Arrow A, the tongue extending 
B)  Arrow B, the insect being eaten 
C)  Arrow C, sunlight striking the chameleon 
D)  Arrow D, heat radiating from the chameleon

Question 2

For what purpose does a plant use the sugars produced during photosynthesis?

Accepted Answer

A)  For cellular respiration to produce ATP 
B)  For storage 
C)  For making cellulose, which makes the bulk of a plant 
D)  All of the above 
A)  For cellular respiration to produce ATP 
B)  For storage 
C)  For making cellulose, which makes the bulk of a plant 
D)  All of the above

Question 3

During which stage of cellular respiration is the majority of the ATP produced?

Accepted Answer

A)  Glycolysis 
B)  Citric acid cycle 
C)  Fermentation 
D)  Electron transport chain 
A)  Glycolysis 
B)  Citric acid cycle 
C)  Fermentation 
D)  Electron transport chain

Question 4

What happens to the ATP molecule after it has been used to do work?

Accepted Answer

A)  It breaks down into carbon dioxide and water. 
B)  It is split into two molecules of pyruvic acid. 
C)  It loses a phosphate group and is converted to ADP. 
D)  It is completely destroyed. 
A)  It breaks down into carbon dioxide and water. 
B)  It is split into two molecules of pyruvic acid. 
C)  It loses a phosphate group and is converted to ADP. 
D)  It is completely destroyed.

Question 5

Which of the following is a waste product of photosynthesis?

Accepted Answer

A)  CO₂ 
B)  H₂O 
C)  O₂ 
D)  All of the above 
A)  CO₂ 
B)  H₂O 
C)  O₂ 
D)  All of the above

Question 6

What is a photosystem?

Accepted Answer

A)  Stacks of thylakoids 
B)  A double-membrane organelle containing thylakoids 
C)  Clusters of pigments and proteins that capture light energy 
D)  A leaf or any green part of the plant 
A)  Stacks of thylakoids 
B)  A double-membrane organelle containing thylakoids 
C)  Clusters of pigments and proteins that capture light energy 
D)  A leaf or any green part of the plant

Question 7

Predict what would happen as the entropy of a system approaches 100%.

Accepted Answer

A)  All motion would stop. 
B)  Randomness would become maximized. 
C)  Order would become maximized. 
D)  Heat would decrease. 
A)  All motion would stop. 
B)  Randomness would become maximized. 
C)  Order would become maximized. 
D)  Heat would decrease.

Question 8

Choose the pencil that has the lowest potential energy.

Accepted Answer

A)  A pencil on your desk 
B)  A pencil falling from your desk 
C)  A pencil hitting the ground after falling from your desk 
D)  A pencil laying on the ground 
A)  A pencil on your desk 
B)  A pencil falling from your desk 
C)  A pencil hitting the ground after falling from your desk 
D)  A pencil laying on the ground

Question 9

Which of the following best describes the chemical equation for photosynthesis?

Accepted Answer

A)  Carbon dioxide + Sugar + Energy = Oxygen + Water 
B)  Oxygen + Water + Carbon dioxide = Sugar + Energy 
C)  Water + Carbon dioxide + Energy = Sugar + Oxygen 
D)  Oxygen + Sugar = Water + Carbon dioxide + Energy 
A)  Carbon dioxide + Sugar + Energy = Oxygen + Water 
B)  Oxygen + Water + Carbon dioxide = Sugar + Energy 
C)  Water + Carbon dioxide + Energy = Sugar + Oxygen 
D)  Oxygen + Sugar = Water + Carbon dioxide + Energy

Question 10

The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.
  
-Upon closer examination,the fish appeared to have died from a lack of oxygen.What time of day did the fish most likely die?

Accepted Answer

A)  Late at night 
B)  Just before dawn 
C)  In the middle of the afternoon 
D)  At sundown 
A)  Late at night 
B)  Just before dawn 
C)  In the middle of the afternoon 
D)  At sundown

Question 11

Which processes can be carried out by producers?

Accepted Answer

A)  Only photosynthesis 
B)  Only cellular respiration 
C)  Both photosynthesis and cellular respiration 
D)  Neither photosynthesis nor cellular respiration 
A)  Only photosynthesis 
B)  Only cellular respiration 
C)  Both photosynthesis and cellular respiration 
D)  Neither photosynthesis nor cellular respiration

Question 12

Why does yogurt taste sharp?

Accepted Answer

A)  It has not been aged long enough to mellow. 
B)  The taste is from the small amount of alcohol it contains, and alcohol tastes sharp. 
C)  The taste is from the large amount of carbon dioxide it contains, and carbon dioxide tastes sharp. 
D)  The taste is from the lactic acid it contains, and acids taste sharp. 
A)  It has not been aged long enough to mellow. 
B)  The taste is from the small amount of alcohol it contains, and alcohol tastes sharp. 
C)  The taste is from the large amount of carbon dioxide it contains, and carbon dioxide tastes sharp. 
D)  The taste is from the lactic acid it contains, and acids taste sharp.

Question 13

Identify the role of water in photosynthesis.

Accepted Answer

A)  It is split to form sugar. 
B)  It is the final electron acceptor. 
C)  It is a waste product in the light reactions. 
D)  It is the initial electron releaser when split. 
A)  It is split to form sugar. 
B)  It is the final electron acceptor. 
C)  It is a waste product in the light reactions. 
D)  It is the initial electron releaser when split.

Question 14

Which of the following is a common energy currency in living cells that powers most living organisms?

Accepted Answer

A)  Sunlight 
B)  Heat 
C)  ATP 
D)  Phosphate 
A)  Sunlight 
B)  Heat 
C)  ATP 
D)  Phosphate

Question 15

Identify the principal role of photosynthesis.

Accepted Answer

A)  To convert solar energy into the chemical energy of sugars 
B)  To convert kinetic energy into the chemical energy of sugars 
C)  To convert the chemical energy of sugars into the chemical energy that fuels life's processes 
D)  To convert the chemical energy of sugars into heat to maintain an elevated body temperature 
A)  To convert solar energy into the chemical energy of sugars 
B)  To convert kinetic energy into the chemical energy of sugars 
C)  To convert the chemical energy of sugars into the chemical energy that fuels life's processes 
D)  To convert the chemical energy of sugars into heat to maintain an elevated body temperature

Question 16

What does it mean to "fix" carbon,and during which stage of photosynthesis is carbon fixed?

Accepted Answer

Carbon is fixed during photosy

Question 17

We use energy in many ways.What is one thing we cannot do to energy?

Accepted Answer

A)  Destroy it. 
B)  Waste it. 
C)  Convert it. 
D)  Store it. 
A)  Destroy it. 
B)  Waste it. 
C)  Convert it. 
D)  Store it.

Question 18

Which process produces glyceraldehyde 3-phosphate (3GP)?

Accepted Answer

A)  Citric acid cycle 
B)  Fermentation 
C)  Calvin cycle 
D)  Glycolysis 
A)  Citric acid cycle 
B)  Fermentation 
C)  Calvin cycle 
D)  Glycolysis

Question 19

What is the main purpose of cellular respiration?

Accepted Answer

A)  To produce carbon dioxide 
B)  To produce sugars 
C)  To produce ATP 
D)  To produce oxygen 
A)  To produce carbon dioxide 
B)  To produce sugars 
C)  To produce ATP 
D)  To produce oxygen

Question 20

Yeast is used to produce beer and wine but can also make bread rise.All of these processes involve the production of alcohol.Explain why you can eat bread and not get drunk.

Accepted Answer

A)  The heat of cooking bakes out the alcohol. 
B)  The amount of alcohol produced is too small to be noticeable. 
C)  The bread-making process produces ethyl alcohol, not isopropyl alcohol. 
D)  The bread-making process produces isopropyl alcohol, not ethyl alcohol. 
A)  The heat of cooking bakes out the alcohol. 
B)  The amount of alcohol produced is too small to be noticeable. 
C)  The bread-making process produces ethyl alcohol, not isopropyl alcohol. 
D)  The bread-making process produces isopropyl alcohol, not ethyl alcohol.

Which arrow would be most closely related to kinetic energy?

For what purpose does a plant use the sugars produced during photosynthesis?

During which stage of cellular respiration is the majority of the ATP produced?

What happens to the ATP molecule after it has been used to do work?

Which of the following is a waste product of photosynthesis?

What is a photosystem?

Predict what would happen as the entropy of a system approaches 100%.

Choose the pencil that has the lowest potential energy.

Which of the following best describes the chemical equation for photosynthesis?

Which processes can be carried out by producers?

Why does yogurt taste sharp?

Identify the role of water in photosynthesis.

Which of the following is a common energy currency in living cells that powers most living organisms?

Identify the principal role of photosynthesis.

What does it mean to "fix" carbon,and during which stage of photosynthesis is carbon fixed?

We use energy in many ways.What is one thing we cannot do to energy?

Which process produces glyceraldehyde 3-phosphate (3GP)?

What is the main purpose of cellular respiration?

Yeast is used to produce beer and wine but can also make bread rise.All of these processes involve the production of alcohol.Explain why you can eat bread and not get drunk.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 4: Energy and Life

Which arrow would be most closely related to kinetic energy?

For what purpose does a plant use the sugars produced during photosynthesis?

During which stage of cellular respiration is the majority of the ATP produced?

What happens to the ATP molecule after it has been used to do work?

Which of the following is a waste product of photosynthesis?

What is a photosystem?

Predict what would happen as the entropy of a system approaches 100%.

Choose the pencil that has the lowest potential energy.

Which of the following best describes the chemical equation for photosynthesis?

Which processes can be carried out by producers?

Why does yogurt taste sharp?

Identify the role of water in photosynthesis.

Which of the following is a common energy currency in living cells that powers most living organisms?

Identify the principal role of photosynthesis.

What does it mean to "fix" carbon,and during which stage of photosynthesis is carbon fixed?

We use energy in many ways.What is one thing we cannot do to energy?

Which process produces glyceraldehyde 3-phosphate (3GP)?

What is the main purpose of cellular respiration?

Yeast is used to produce beer and wine but can also make bread rise.All of these processes involve the production of alcohol.Explain why you can eat bread and not get drunk.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters