Question 1

Match between columns
                        Premises: light-dependent reactions
water
light
light-independent reactions
glucose
oxygen
carbon dioxide

Accepted Answer

The Answer of choice G and choice A and choice is...

Question 2

Of the following, which event occurs first in the light-dependent reactions of photosynthesis?

Accepted Answer

A)  hydrolysis of water. 
B)  synthesis of sugar. 
C)  ejection of an electron from chlorophyll. 
D)  manufacture of ATP. 
E)  synthesis of NADPH. 
A)  hydrolysis of water. 
B)  synthesis of sugar. 
C)  ejection of an electron from chlorophyll. 
D)  manufacture of ATP. 
E)  synthesis of NADPH.

Question 3

The breakdown of pyruvate in the Krebs cycle results in the release of

Accepted Answer

A)  energy. 
B)  carbon dioxide. 
C)  electrons. 
D)  hydrogen ions. 
E)  all of these.. 
A)  energy. 
B)  carbon dioxide. 
C)  electrons. 
D)  hydrogen ions. 
E)  all of these..

Question 4

The ultimate energy source for food production for most life on earth is

Accepted Answer

A)  the atmosphere. 
B)  the soil. 
C)  autotrophs. 
D)  the sun. 
E)  heterotrophs. 
A)  the atmosphere. 
B)  the soil. 
C)  autotrophs. 
D)  the sun. 
E)  heterotrophs.

Question 5

What molecule, specifically, enters into the Krebs Cycle?

Accepted Answer

A)  acetyl CoA 
B)  pyruvate 
C)  glucose 
D)  carbon dioxide 
E)  oxygen 
A)  acetyl CoA 
B)  pyruvate 
C)  glucose 
D)  carbon dioxide 
E)  oxygen

Question 6

Regenerating ____ allows glycolysis in fermentation to continue.

Accepted Answer

A)  NADH 
B)  ATP 
C)  carbon dioxide 
D)  pyruvate 
E)  glucose 
A)  NADH 
B)  ATP 
C)  carbon dioxide 
D)  pyruvate 
E)  glucose

Question 7

Selecting the Exception Four of the five organisms listed below are heterotrophs. Select the EXCEPTION.

Accepted Answer

A)  mushroom 
B)  apple 
C)  wolf 
D)  clam 
E)  parasite 
A)  mushroom 
B)  apple 
C)  wolf 
D)  clam 
E)  parasite

Question 8

Where are the light-independent reactions occurring?

Accepted Answer

A)  in the cytoplasm 
B)  in the chloroplastic outer membrane 
C)  in the thylakoid membrane 
D)  in the stroma 
E)  in the matrix 
A)  in the cytoplasm 
B)  in the chloroplastic outer membrane 
C)  in the thylakoid membrane 
D)  in the stroma 
E)  in the matrix

Question 9

The electrons that are passed to NADP+ at the end of the electron transfer chain were obtained from

Accepted Answer

A)  water. 
B)  CO2. 
C)  glucose. 
D)  sunlight. 
E)  ATP. 
A)  water. 
B)  CO2. 
C)  glucose. 
D)  sunlight. 
E)  ATP.

Question 10

The products of light-dependent reactions of photosynthesis

Accepted Answer

A)  are used in light-independent reactions. 
B)  are complex carbohydrates and proteins. 
C)  are stored in the vacuoles of the cell. 
D)  are oxygen and glucose. 
E)  are used in the light-independent reactions and are stored in the vacuoles of the cell. 
A)  are used in light-independent reactions. 
B)  are complex carbohydrates and proteins. 
C)  are stored in the vacuoles of the cell. 
D)  are oxygen and glucose. 
E)  are used in the light-independent reactions and are stored in the vacuoles of the cell.

Question 11

What do free radicals do?

Accepted Answer

A)  improve the efficiency of aerobic respiration 
B)  act as coenzymes in glycolysis 
C)  damage biological molecules 
D)  removes metals that combine with oxygen gas 
E)  more than one of these 
A)  improve the efficiency of aerobic respiration 
B)  act as coenzymes in glycolysis 
C)  damage biological molecules 
D)  removes metals that combine with oxygen gas 
E)  more than one of these

Question 12

In alcoholic fermentation, the final product is

Accepted Answer

A)  pyruvate 
B)  ethanol 
C)  acetaldehyde 
D)  acetyl CoA 
E)  lactate 
A)  pyruvate 
B)  ethanol 
C)  acetaldehyde 
D)  acetyl CoA 
E)  lactate

Question 13

The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH to

Accepted Answer

A)  oxygen. 
B)  acetyl-CoA. 
C)  FADH. 
D)  CO2. 
E)  NADPH. 
A)  oxygen. 
B)  acetyl-CoA. 
C)  FADH. 
D)  CO2. 
E)  NADPH.

Question 14

If the first electron transfer chain in the light-dependent reactions of photosynthesis was stopped, which of the following would NOT be generated?

Accepted Answer

A)  oxygen gas 
B)  NADPH 
C)  ATP 
D)  ATP and NADPH 
E)  none of these would be generated 
A)  oxygen gas 
B)  NADPH 
C)  ATP 
D)  ATP and NADPH 
E)  none of these would be generated

Question 15

How many NADH molecules are generated in the breakdown of one molecule of glucose in aerobic respiration?

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
E)  25 
A)  5 
B)  10 
C)  15 
D)  20 
E)  25

Question 16

Plants use which of the following structures to allow an exchange of gases?

Accepted Answer

A)  pores 
B)  plasmodesmata 
C)  stroma 
D)  chloroplasts 
E)  stomata 
A)  pores 
B)  plasmodesmata 
C)  stroma 
D)  chloroplasts 
E)  stomata

Exam 5: Capturing and Releasing Energy

Of the following, which event occurs first in the light-dependent reactions of photosynthesis?

The breakdown of pyruvate in the Krebs cycle results in the release of

The ultimate energy source for food production for most life on earth is

What molecule, specifically, enters into the Krebs Cycle?

Regenerating ____ allows glycolysis in fermentation to continue.

Selecting the Exception Four of the five organisms listed below are heterotrophs. Select the EXCEPTION.

Where are the light-independent reactions occurring?

The electrons that are passed to NADP+ at the end of the electron transfer chain were obtained from

The products of light-dependent reactions of photosynthesis

What do free radicals do?

In alcoholic fermentation, the final product is

The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH to

If the first electron transfer chain in the light-dependent reactions of photosynthesis was stopped, which of the following would NOT be generated?

How many NADH molecules are generated in the breakdown of one molecule of glucose in aerobic respiration?

Plants use which of the following structures to allow an exchange of gases?

Invitation to Biology

Molecules of Life

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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

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The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

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Plant Reproduction and Development

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The electrons that are passed to NADP⁺ at the end of the electron transfer chain were obtained from