Question 1

Choose the best explanation as to why both consumers and producers perform cellular respiration.

Accepted Answer

A)  Although they may obtain their sugars in different ways, both consumers and producers rely on cellular respiration to make ATP. 
B)  Both consumers and producers perform cellular respiration to produce the sugars that will be "burned" to fuel the energy of life. 
C)  Both consumers and producers perform cellular respiration to produce the oxygen necessary to sustain life. 
D)  Both consumers and producers perform cellular respiration to produce the heat necessary to sustain life. 
A)  Although they may obtain their sugars in different ways, both consumers and producers rely on cellular respiration to make ATP. 
B)  Both consumers and producers perform cellular respiration to produce the sugars that will be "burned" to fuel the energy of life. 
C)  Both consumers and producers perform cellular respiration to produce the oxygen necessary to sustain life. 
D)  Both consumers and producers perform cellular respiration to produce the heat necessary to sustain life.

Question 2

Identify the role of carbon dioxide in photosynthesis.

Accepted Answer

A)  It is split to become incorporated into sugars. 
B)  It is split to release electrons. 
C)  It is a by-product. 
D)  It is the final electron acceptor. 
A)  It is split to become incorporated into sugars. 
B)  It is split to release electrons. 
C)  It is a by-product. 
D)  It is the final electron acceptor.

Question 3

Identify the stage of cellular respiration when glucose is split into two molecules of pyruvic acid.

Accepted Answer

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

Question 4

How does ATP release energy that can be used by living cells?

Accepted Answer

A)  By being exposed to body heat 
B)  By breaking a bond within an ATP molecule 
C)  By being exposed to sunlight 
D)  By adding more phosphate groups to itself 
A)  By being exposed to body heat 
B)  By breaking a bond within an ATP molecule 
C)  By being exposed to sunlight 
D)  By adding more phosphate groups to itself

Question 5

What is the role of light in photosynthesis?

Accepted Answer

A)  It is the source for electrons. 
B)  It fixes carbon. 
C)  It energizes electrons. 
D)  It splits ATP molecules, which generates energy. 
A)  It is the source for electrons. 
B)  It fixes carbon. 
C)  It energizes electrons. 
D)  It splits ATP molecules, which generates energy.

Question 6

Which stage of cellular respiration requires oxygen that you breathe?

Accepted Answer

A)  Glycolysis 
B)  Citric acid cycle 
C)  Electron transport chain 
D)  All of the above 
A)  Glycolysis 
B)  Citric acid cycle 
C)  Electron transport chain 
D)  All of the above

Question 7

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Accepted Answer

A)  Energy 
B)  Chlorophyll 
C)  Carbon 
D)  Electrons 
A)  Energy 
B)  Chlorophyll 
C)  Carbon 
D)  Electrons

Question 8

Where do the electrons that are excited by the energy in sunlight first come from?

Accepted Answer

A)  NADPH 
B)  ATP 
C)  Sugar 
D)  Water 
A)  NADPH 
B)  ATP 
C)  Sugar 
D)  Water

Question 9

The bulk of a plant is made from ________.

Accepted Answer

A)  minerals from the soil obtained by the roots of a plant 
B)  sugars from the soil obtained by the roots of a plant 
C)  the sugars made in photosynthesis, which were made from carbon dioxide 
D)  oxygen absorbed by the pores in leaves 
A)  minerals from the soil obtained by the roots of a plant 
B)  sugars from the soil obtained by the roots of a plant 
C)  the sugars made in photosynthesis, which were made from carbon dioxide 
D)  oxygen absorbed by the pores in leaves

Question 10

Identify the role of oxygen 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. 
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.

Question 11

Identify the stage (or stages)of cellular respiration that occurs entirely outside of the mitochondria.

Accepted Answer

A)  Citric acid cycle 
B)  Electron transport chain 
C)  Glycolysis 
D)  All of the above 
A)  Citric acid cycle 
B)  Electron transport chain 
C)  Glycolysis 
D)  All of the above

Question 12

What is the main by-product of cellular respiration?

Accepted Answer

A)  ATP 
B)  Sugars 
C)  Oxygen 
D)  Water 
A)  ATP 
B)  Sugars 
C)  Oxygen 
D)  Water

Question 13

What color of light is not used for photosynthesis? How could you know this just by looking at a leaf?

Accepted Answer

Green light is not used for photosynthes

Question 14

Can energy be harvested by the cells from glucose without oxygen?

Accepted Answer

A)  Yes, about as much as with oxygen. 
B)  Yes, but not quite as much as with oxygen. 
C)  Yes, but much less than with oxygen. 
D)  No, oxygen is required to harvest any energy from glucose. 
A)  Yes, about as much as with oxygen. 
B)  Yes, but not quite as much as with oxygen. 
C)  Yes, but much less than with oxygen. 
D)  No, oxygen is required to harvest any energy from glucose.

Question 15

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.
  
-You are investigating a massive fish kill in one of the shallow lakes in the area.Lab reports show no toxins in the water,but a monitoring station reported these oxygen and pH values.Based on the table above,what,if any,is the relationship between oxygen and pH?

Accepted Answer

A)  Inverse relationship: when one increases, the other decreases 
B)  Direct relationship: when one increases, the other also increases 
C)  Exponential relationship: when one increases, the other increases 10 to 100 times 
D)  No relationship: there is no pattern between oxygen and pH 
A)  Inverse relationship: when one increases, the other decreases 
B)  Direct relationship: when one increases, the other also increases 
C)  Exponential relationship: when one increases, the other increases 10 to 100 times 
D)  No relationship: there is no pattern between oxygen and pH

Question 16

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

Accepted Answer

A)  1 
B)  6 
C)  12 
D)  Not enough information provided 
A)  1 
B)  6 
C)  12 
D)  Not enough information provided

Question 17

What is the definition of energy?

Accepted Answer

A)  The capacity to do work 
B)  The movement of an object 
C)  Particles moving in waves through a system 
D)  The amount of order in a system 
A)  The capacity to do work 
B)  The movement of an object 
C)  Particles moving in waves through a system 
D)  The amount of order in a system

Question 18

Where do the molecules used as the inputs of the Calvin cycles (ATP and NADPH)come from?

Accepted Answer

A)  They come from the sun. 
B)  They come from the light reactions. 
C)  They come from the air. 
D)  They come from previous Calvin cycles. 
A)  They come from the sun. 
B)  They come from the light reactions. 
C)  They come from the air. 
D)  They come from previous Calvin cycles.

Question 19

Respiration is called aerobic because ________.

Accepted Answer

A)  it happens in the absence of oxygen 
B)  it requires oxygen 
C)  it requires carbon dioxide 
D)  it happens in mitochondria 
A)  it happens in the absence of oxygen 
B)  it requires oxygen 
C)  it requires carbon dioxide 
D)  it happens in mitochondria

Question 20

Name the fluid-filled interior of the chloroplast.

Accepted Answer

A)  Thylakoids 
B)  Stroma 
C)  Grana 
D)  None of these 
A)  Thylakoids 
B)  Stroma 
C)  Grana 
D)  None of these

Choose the best explanation as to why both consumers and producers perform cellular respiration.

Identify the role of carbon dioxide in photosynthesis.

Identify the stage of cellular respiration when glucose is split into two molecules of pyruvic acid.

How does ATP release energy that can be used by living cells?

What is the role of light in photosynthesis?

Which stage of cellular respiration requires oxygen that you breathe?

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Where do the electrons that are excited by the energy in sunlight first come from?

The bulk of a plant is made from ________.

Identify the role of oxygen in photosynthesis.

Identify the stage (or stages)of cellular respiration that occurs entirely outside of the mitochondria.

What is the main by-product of cellular respiration?

What color of light is not used for photosynthesis? How could you know this just by looking at a leaf?

Can energy be harvested by the cells from glucose without oxygen?

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

What is the definition of energy?

Where do the molecules used as the inputs of the Calvin cycles (ATP and NADPH)come from?

Respiration is called aerobic because ________.

Name the fluid-filled interior of the chloroplast.

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

Choose the best explanation as to why both consumers and producers perform cellular respiration.

Identify the role of carbon dioxide in photosynthesis.

Identify the stage of cellular respiration when glucose is split into two molecules of pyruvic acid.

How does ATP release energy that can be used by living cells?

What is the role of light in photosynthesis?

Which stage of cellular respiration requires oxygen that you breathe?

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Where do the electrons that are excited by the energy in sunlight first come from?

The bulk of a plant is made from ________.

Identify the role of oxygen in photosynthesis.

Identify the stage (or stages)of cellular respiration that occurs entirely outside of the mitochondria.

What is the main by-product of cellular respiration?

What color of light is not used for photosynthesis? How could you know this just by looking at a leaf?

Can energy be harvested by the cells from glucose without oxygen?

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

What is the definition of energy?

Where do the molecules used as the inputs of the Calvin cycles (ATP and NADPH)come from?

Respiration is called aerobic because ________.

Name the fluid-filled interior of the chloroplast.

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