Question 1

The process of photosynthesis requires the raw materials

Accepted Answer

A)  O2 and H2O. 
B)  CO2 and H2O. 
C)  sugar and CO2. 
D)  H2O and sugar. 
A)  O2 and H2O. 
B)  CO2 and H2O. 
C)  sugar and CO2. 
D)  H2O and sugar. B

Question 2

Which of the following kinds of organisms can manufacture the greatest variety of organic compounds?

Accepted Answer

A)  aerobic bacteria 
B)  anaerobic bacteria 
C)  animals 
D)  plants 
A)  aerobic bacteria 
B)  anaerobic bacteria 
C)  animals 
D)  plants D

Question 3

Carbon fixation begins with carbon dioxide combining with a 5-carbon molecule,

Accepted Answer

A)  glucose. 
B)  ribulose. 
C)  NADP+ 
D)  glyceraldehyde-3-phosphate. 
A)  glucose. 
B)  ribulose. 
C)  NADP+ 
D)  glyceraldehyde-3-phosphate. B

Question 4

In this kind of photosynthesis, carbon dioxide does not directly enter the Calvin cycle but is carried out in two steps and two different kinds of cells.

Accepted Answer

A)  crassulacean acid metabolism 
B)  C3 
C)  C4 
D)  C5 
A)  crassulacean acid metabolism 
B)  C3 
C)  C4 
D)  C5

Question 5

Reaction centers are located in the

Accepted Answer

A)  grana. 
B)  thylakoid. 
C)  antenna complex. 
D)  All of the choices are correct. 
A)  grana. 
B)  thylakoid. 
C)  antenna complex. 
D)  All of the choices are correct.

Question 6

Which of the following tests would be the best for determining if a cell were carrying on photosynthesis?

Accepted Answer

A)  Does the cell contain water? 
B)  Does the cell produce carbon dioxide? 
C)  Does the cell release oxygen? 
D)  Does the cell require oxygen to stay alive? 
A)  Does the cell contain water? 
B)  Does the cell produce carbon dioxide? 
C)  Does the cell release oxygen? 
D)  Does the cell require oxygen to stay alive?

Question 7

The ATP and NADPH produced in the light-dependent reaction stage

Accepted Answer

A)  become reactants for cellular respiration. 
B)  are waste products that the plant eliminates. 
C)  become the raw materials for the light-independent reaction stage. 
D)  are the end products of photosynthesis. 
A)  become reactants for cellular respiration. 
B)  are waste products that the plant eliminates. 
C)  become the raw materials for the light-independent reaction stage. 
D)  are the end products of photosynthesis.

Question 8

Which wavelengths of light are most likely to be absorbed by chlorophyll b?

Accepted Answer

A)  UV 
B)  blue 
C)  red 
D)  infrared 
A)  UV 
B)  blue 
C)  red 
D)  infrared

Question 9

Which wavelengths of light are most likely to be absorbed by chlorophyll a?

Accepted Answer

A)  UV 
B)  blue 
C)  red 
D)  infrared 
A)  UV 
B)  blue 
C)  red 
D)  infrared

Question 10

Photosynthesis takes place in

Accepted Answer

A)  both plants and animals. 
B)  animals but not plants. 
C)  plants but not animals. 
D)  bacteria only. 
A)  both plants and animals. 
B)  animals but not plants. 
C)  plants but not animals. 
D)  bacteria only.

Question 11

A correct equation for photosynthesis is

Accepted Answer

A)  SUN + 6O2 + 6CO2 $\rightarrow$C6H12O6 + 6H2O. 
B)  SUN + C6H12O6 + 6O2 $\rightarrow$6CO2 + 6H2O. 
C)  SUN + 6CO2 + 6H2O $\rightarrow$C6H12O6 + 6O2. 
D)  SUN + 6CO2 $\rightarrow$6H2O + C6H12O6 + 6O2. 
A)  SUN + 6O2 + 6CO2 $\rightarrow$C6H12O6 + 6H2O. 
B)  SUN + C6H12O6 + 6O2 $\rightarrow$6CO2 + 6H2O. 
C)  SUN + 6CO2 + 6H2O $\rightarrow$C6H12O6 + 6O2. 
D)  SUN + 6CO2 $\rightarrow$6H2O + C6H12O6 + 6O2.

Question 12

The molecule that traps the sun's energy is

Accepted Answer

A)  ATP. 
B)  glyceraldehyde-3-phosphate. 
C)  chloroplast. 
D)  chlorophyll. 
A)  ATP. 
B)  glyceraldehyde-3-phosphate. 
C)  chloroplast. 
D)  chlorophyll.

Question 13

Water molecules are a reactant for

Accepted Answer

A)  the electron transport system. 
B)  the light-independent reactions. 
C)  the light-dependent reactions. 
D)  glycolysis. 
A)  the electron transport system. 
B)  the light-independent reactions. 
C)  the light-dependent reactions. 
D)  glycolysis.

Question 14

Which is a general equation that summarizes the light-dependent reactions?

Accepted Answer

A)  excited electrons + H2O + ADP + NADP+ $\rightarrow$ATP + NADPH + O2 
B)  ATP + NADPH + ribulose + CO2 $\rightarrow$ADP + NADP+ + complex organic molecule + ribulose 
C)  CO2 + ATP + NADH + 5-ribulose $\rightarrow$ glyceraldehyde-3-phosphate + NADP+ + ADP + P 
D)  SUN + 6CO2 $\rightarrow$6H2O + C6H12O6 + 6O2 
A)  excited electrons + H2O + ADP + NADP+ $\rightarrow$ATP + NADPH + O2 
B)  ATP + NADPH + ribulose + CO2 $\rightarrow$ADP + NADP+ + complex organic molecule + ribulose 
C)  CO2 + ATP + NADH + 5-ribulose $\rightarrow$ glyceraldehyde-3-phosphate + NADP+ + ADP + P 
D)  SUN + 6CO2 $\rightarrow$6H2O + C6H12O6 + 6O2

Question 15

Crassulacean acid metabolism (CAM) is a form of photosynthesis that

Accepted Answer

A)  encourages the light-independent reactions to take place at night. 
B)  allows photosynthesis to take place without water. 
C)  encourages the light-dependent reactions to take place at night. 
D)  allows photosynthesis to take place without carbon dioxide. 
A)  encourages the light-independent reactions to take place at night. 
B)  allows photosynthesis to take place without water. 
C)  encourages the light-dependent reactions to take place at night. 
D)  allows photosynthesis to take place without carbon dioxide.

Question 16

____ is NOT needed for the light-dependent reactions.

Accepted Answer

A)  NADP 
B)  ADP + P 
C)  H2O 
D)  CO2 
A)  NADP 
B)  ADP + P 
C)  H2O 
D)  CO2

Question 17

During the light-independent reactions of photosynthesis,

Accepted Answer

A)  glyceraldehyde-3-phosphate is produced. 
B)  ADP is produced. 
C)  NADP+ is produced. 
D)  All of the choices are correct. 
A)  glyceraldehyde-3-phosphate is produced. 
B)  ADP is produced. 
C)  NADP+ is produced. 
D)  All of the choices are correct.

Question 18

It is assumed that the chloroplasts of eukaryotes are evolved from

Accepted Answer

A)  animal cells. 
B)  photosynthetic bacteria. 
C)  algal cells. 
D)  fungal cells. 
A)  animal cells. 
B)  photosynthetic bacteria. 
C)  algal cells. 
D)  fungal cells.

Question 19

Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called

Accepted Answer

A)  mitochondria. 
B)  photosystems. 
C)  light-independent reactions. 
D)  ribulose. 
A)  mitochondria. 
B)  photosystems. 
C)  light-independent reactions. 
D)  ribulose.

Question 20

Which is used in photosynthesis but not in cellular respiration?

Accepted Answer

A)  NAD+ 
B)  FAD 
C)  cytochromes 
D)  NADP+ 
A)  NAD+ 
B)  FAD 
C)  cytochromes 
D)  NADP+

Exam 7: Biochemical Pathways: Photosynthesis

The process of photosynthesis requires the raw materials

Which of the following kinds of organisms can manufacture the greatest variety of organic compounds?

Carbon fixation begins with carbon dioxide combining with a 5-carbon molecule,

In this kind of photosynthesis, carbon dioxide does not directly enter the Calvin cycle but is carried out in two steps and two different kinds of cells.

Reaction centers are located in the

Which of the following tests would be the best for determining if a cell were carrying on photosynthesis?

The ATP and NADPH produced in the light-dependent reaction stage

Which wavelengths of light are most likely to be absorbed by chlorophyll b?

Which wavelengths of light are most likely to be absorbed by chlorophyll a?

Photosynthesis takes place in

A correct equation for photosynthesis is

The molecule that traps the sun's energy is

Water molecules are a reactant for

Which is a general equation that summarizes the light-dependent reactions?

Crassulacean acid metabolism (CAM) is a form of photosynthesis that

____ is NOT needed for the light-dependent reactions.

During the light-independent reactions of photosynthesis,

It is assumed that the chloroplasts of eukaryotes are evolved from

Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called

Which is used in photosynthesis but not in cellular respiration?

What Is Biology

The Basics of Life: Chemistry

Organic Molecules: The Molecules of Life

Cell Structure and Function

Enzymes, Coenzymes, and Energy

Biochemical Pathways: Cellular Respiration

DNA and RNA: The Molecular Basis of Heredity

Cell Division: Proliferation and Reproduction

Patterns of Inheritance

Applications of Biotechnology

Diversity Within Species and Population Genetics

Evolution and Natural Selection

The Formation of Species and Evolutionary Change

Ecosystem Dynamics: The Flow of Energy and Matter

Community Interactions

Population Ecology

Evolutionary and Ecological Aspects of Behavior

The Origin of Life and the Evolution of Cells

The Classification and Evolution of Organisms

The Nature of Microorganisms

The Plant Kingdom

The Animal Kingdom

Materials Exchange in the Body

Nutrition: Food and Diet

The Bodys Control Mechanisms and Immunity

Human Reproduction, Sex, and Sexuality

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