Question 1

In such a pond that contains algae and fish, what processes are happening?

Accepted Answer

A) Only cellular respiration is happening, carried out by both the algae and the fish 
B) Only photosynthesis is happening, carried out by the algae 
C) Both photosynthesis (carried out by the algae)and cellular respiration (carried out by the fish)are happening 
D) Both photosynthesis (carried out by the algae)and cellular respiration (carried out by both the algae and the fish)are happening 
A) Only cellular respiration is happening, carried out by both the algae and the fish 
B) Only photosynthesis is happening, carried out by the algae 
C) Both photosynthesis (carried out by the algae)and cellular respiration (carried out by the fish)are happening 
D) Both photosynthesis (carried out by the algae)and cellular respiration (carried out by both the algae and the fish)are happening D

Question 2

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. C

Question 3

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. B

Question 4

Chemical energy is most often released by ________.

Accepted Answer

A) creating a bond between two molecules 
B) breaking a bond within a molecule 
C) reorganizing molecules with each other 
D) adding phosphate groups to a molecule 
A) creating a bond between two molecules 
B) breaking a bond within a molecule 
C) reorganizing molecules with each other 
D) adding phosphate groups to a molecule

Question 5

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 6

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 7

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 8

Why do some leaves change color (red, yellow, orange, etc.) in the fall?

Accepted Answer

A) The chlorophyll molecule is modified to absorb different wavelengths of light. 
B) The chlorophyll molecule breaks down and other pigments now become visible. 
C) When leaves die, the chlorophyll molecules are no longer visible. 
D) Cold weather denatures the chlorophyll molecule, and it begins to reflect different colors. 
A) The chlorophyll molecule is modified to absorb different wavelengths of light. 
B) The chlorophyll molecule breaks down and other pigments now become visible. 
C) When leaves die, the chlorophyll molecules are no longer visible. 
D) Cold weather denatures the chlorophyll molecule, and it begins to reflect different colors.

Question 9

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 10

Explain why mitochondria are often called "the powerhouse of the cell."

Accepted Answer

Mitochondria are often called the powerh

Question 11

The chemical reactions of photosynthesis occur in which cellular organelle?

Accepted Answer

A) Chloroplasts 
B) Nucleus 
C) Mitochondria 
D) Ribosomes 
A) Chloroplasts 
B) Nucleus 
C) Mitochondria 
D) Ribosomes

Question 12

Which of the following can carry out photosynthesis?

Accepted Answer

A) Seaweeds 
B) Some bacteria 
C) Plants 
D) All of the above can carry out photosynthesis 
A) Seaweeds 
B) Some bacteria 
C) Plants 
D) All of the above can carry out photosynthesis

Question 13

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

Accepted Answer

A) All motion would stop. 
B) There would be little order in the system. 
C) Everything would be very organized. 
D) Heat would decrease. 
A) All motion would stop. 
B) There would be little order in the system. 
C) Everything would be very organized. 
D) Heat would decrease.

Question 14

Which stage of cellular respiration requires oxygen that you breathe?

Accepted Answer

A) Glycolysis 
B) Citric acid cycle 
C) Electron transport chain 
D) Both the citric acid cycle and the electron transport chain require oxyen 
A) Glycolysis 
B) Citric acid cycle 
C) Electron transport chain 
D) Both the citric acid cycle and the electron transport chain require oxyen

Question 15

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 16

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 17

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

Accepted Answer

A) Carbon 
B) Chlorophyll 
C) Sugar 
D) Oxygen 
A) Carbon 
B) Chlorophyll 
C) Sugar 
D) Oxygen

Question 18

Which of the following organism is not a consumer?

Accepted Answer

A) A lion 
B) A human 
C) A mushroom 
D) A oak tree 
A) A lion 
B) A human 
C) A mushroom 
D) A oak tree

Question 19

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 20

What is the chemical equation for glucose?

Accepted Answer

A) C2H4O2 
B) C4 H8O4 
C) C6H12O6 
D) C8H16O8 
A) C2H4O2 
B) C4 H8O4 
C) C6H12O6 
D) C8H16O8

In such a pond that contains algae and fish, what processes are happening?

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

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

Chemical energy is most often released by ________.

What is the definition of energy?

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

Why do some leaves change color (red, yellow, orange, etc.) in the fall?

What is the main purpose of cellular respiration?

Explain why mitochondria are often called "the powerhouse of the cell."

The chemical reactions of photosynthesis occur in which cellular organelle?

Which of the following can carry out photosynthesis?

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

Which stage of cellular respiration requires oxygen that you breathe?

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

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

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

Which of the following organism is not a consumer?

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

What is the chemical equation for glucose?

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

Biology The Core: Appendix

Filters

Exam 4: Energy and Life

In such a pond that contains algae and fish, what processes are happening?

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

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

Chemical energy is most often released by ________.

What is the definition of energy?

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

Why do some leaves change color (red, yellow, orange, etc.) in the fall?

What is the main purpose of cellular respiration?

Explain why mitochondria are often called "the powerhouse of the cell."

The chemical reactions of photosynthesis occur in which cellular organelle?

Which of the following can carry out photosynthesis?

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

Which stage of cellular respiration requires oxygen that you breathe?

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

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

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

Which of the following organism is not a consumer?

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

What is the chemical equation for glucose?

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

Biology The Core: Appendix

Filters