Question 1

Which of the following is the traditional source of most oils?

Accepted Answer

A) single-celled algae 
B) crop plants 
C) multicellular algae 
D) any plants 
A) single-celled algae 
B) crop plants 
C) multicellular algae 
D) any plants

Question 2

For each phrase, choose the most appropriate process.
-creates a proton gradient

Accepted Answer

A) light-dependent reactions only 
B) Calvin cycle only 
C) light-dependent reactions and the Calvin cycle both 
D) neither the light-dependent reactions nor the Calvin cycle 
A) light-dependent reactions only 
B) Calvin cycle only 
C) light-dependent reactions and the Calvin cycle both 
D) neither the light-dependent reactions nor the Calvin cycle

Question 3

The Calvin cycle consumes CO2 and produces which of the following products?

Accepted Answer

A) ATP 
B) G3P 
C) NADPH 
D) rubisco 
A) ATP 
B) G3P 
C) NADPH 
D) rubisco

Question 4

The arrangement of photosystems I and II in the thylakoid membrane is exactly like that drawn in the Z-pathway of most textbooks.

Accepted Answer

A) True 
 B)False

Question 5

For each phrase, choose the most appropriate process.
-consumes NADPH

Accepted Answer

A) light-dependent reactions only 
B) Calvin cycle only 
C) light-dependent reactions and the Calvin cycle both 
D) neither the light-dependent reactions nor the Calvin cycle 
A) light-dependent reactions only 
B) Calvin cycle only 
C) light-dependent reactions and the Calvin cycle both 
D) neither the light-dependent reactions nor the Calvin cycle

Question 6

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all.  
-inner membrane

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 7

Which complex organic molecule is a major product of the Calvin cycle?

Accepted Answer

A) ATP 
B) CO2 
C) rubisco 
D) G3P 
A) ATP 
B) CO2 
C) rubisco 
D) G3P

Question 8

When does a C4 plant use rubisco to perform carbon fixation?

Accepted Answer

A) in daylight only 
B) from noon to midnight 
C) from midnight to noon 
D) in darkness only 
A) in daylight only 
B) from noon to midnight 
C) from midnight to noon 
D) in darkness only

Question 9

Match each term with its definition.
-photosystems

Accepted Answer

A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source 
A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source

Question 10

Which of the following describes the role of the photosynthetic pigments?

Accepted Answer

A) to absorb photons of light and transfer the energy to neighbouring molecules 
B) to absorb energy and transfer photons of light to neighbouring molecules 
C) to absorb photons of light and energy 
D) to transfer photons of light and the energy to neighbouring molecules 
A) to absorb photons of light and transfer the energy to neighbouring molecules 
B) to absorb energy and transfer photons of light to neighbouring molecules 
C) to absorb photons of light and energy 
D) to transfer photons of light and the energy to neighbouring molecules

Question 11

Match each term with its definition.
-photophosphorylation

Accepted Answer

A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source 
A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source

Question 12

To which thylakoid membrane does photosystem II donate the electrons it acquires from water?

Accepted Answer

A) photosystem I 
B) plastoquinone 
C) cytochrome complex 
D) cytochrome c 
A) photosystem I 
B) plastoquinone 
C) cytochrome complex 
D) cytochrome c

Question 13

Which of the following are the most abundant of the chlorophylls?

Accepted Answer

A) chlorophyll a and b 
B) chlorophyll a and c 
C) chlorophyll b and c 
D) chlorophyll a, b, and c 
A) chlorophyll a and b 
B) chlorophyll a and c 
C) chlorophyll b and c 
D) chlorophyll a, b, and c

Question 14

Iron is required for primary production. Which of the following is correct to predict?

Accepted Answer

A) Iron fertilization of oceans can raise N2 in the atmosphere. 
B) Iron fertilization of oceans can lower O2 in the atmosphere. 
C) Iron fertilization of oceans can raise CO2 in the atmosphere. 
D) Iron fertilization of oceans can lower CO2 in the atmosphere. 
A) Iron fertilization of oceans can raise N2 in the atmosphere. 
B) Iron fertilization of oceans can lower O2 in the atmosphere. 
C) Iron fertilization of oceans can raise CO2 in the atmosphere. 
D) Iron fertilization of oceans can lower CO2 in the atmosphere.

Question 15

Match the name of the process to its description.
-This converts G3P into a molecule that can bind to CO2.

Accepted Answer

A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle 
A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle

Question 16

Which thylakoid membrane component oxidizes when photosystem I absorbs light energy?

Accepted Answer

A) NADP+ reductase 
B) P700 
C) plastocyanin 
D) P680 
A) NADP+ reductase 
B) P700 
C) plastocyanin 
D) P680

Question 17

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all.  
-outer membrane

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 18

Which of the following organisms can perform photosynthesis?

Accepted Answer

A) Eukarya only 
B) Archaea, Bacteria, and Eukarya 
C) Archaea and Eukarya 
D) Bacteria and Eukarya 
A) Eukarya only 
B) Archaea, Bacteria, and Eukarya 
C) Archaea and Eukarya 
D) Bacteria and Eukarya

Question 19

What is the purpose of the C4 pathway?

Accepted Answer

A) It is more efficient than the Calvin cycle because less ATP is consumed in the process. 
B) It replaces the carbon fixation stage of the Calvin cycle. 
C) It supplements the activity of rubisco by providing a second source of 3PGA for the reduction stage of the Calvin cycle. 
D) It ensures that CO2 is provided to rubisco and thus prevents photorespiration. 
A) It is more efficient than the Calvin cycle because less ATP is consumed in the process. 
B) It replaces the carbon fixation stage of the Calvin cycle. 
C) It supplements the activity of rubisco by providing a second source of 3PGA for the reduction stage of the Calvin cycle. 
D) It ensures that CO2 is provided to rubisco and thus prevents photorespiration.

Question 20

Where does the Calvin cycle occur?

Accepted Answer

A) in the thylakoid membrane 
B) in the cytosol 
C) in the stromal lamellae 
D) in the stroma 
A) in the thylakoid membrane 
B) in the cytosol 
C) in the stromal lamellae 
D) in the stroma

Exam 7: Photosynthesis

Which of the following is the traditional source of most oils?

For each phrase, choose the most appropriate process. -creates a proton gradient

The Calvin cycle consumes CO2 and produces which of the following products?

The arrangement of photosystems I and II in the thylakoid membrane is exactly like that drawn in the Z-pathway of most textbooks.

For each phrase, choose the most appropriate process. -consumes NADPH

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all. -inner membrane

Which complex organic molecule is a major product of the Calvin cycle?

When does a C4 plant use rubisco to perform carbon fixation?

Match each term with its definition. -photosystems

Which of the following describes the role of the photosynthetic pigments?

Match each term with its definition. -photophosphorylation

To which thylakoid membrane does photosystem II donate the electrons it acquires from water?

Which of the following are the most abundant of the chlorophylls?

Iron is required for primary production. Which of the following is correct to predict?

Match the name of the process to its description. -This converts G3P into a molecule that can bind to CO2.

Which thylakoid membrane component oxidizes when photosystem I absorbs light energy?

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all. -outer membrane

Which of the following organisms can perform photosynthesis?

What is the purpose of the C4 pathway?

Where does the Calvin cycle occur?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters

The Calvin cycle consumes CO₂ and produces which of the following products?

Match the name of the process to its description. -This converts G3P into a molecule that can bind to CO₂.