Question 1

The products of photosynthesis are

Accepted Answer

A)  glucose, water, and oxygen. 
B)  glucose and water. 
C)  carbon dioxide, water, and energy. 
D)  glucose and carbon dioxide. 
E)  carbon dioxide, chlorophyll, and oxygen. 
A)  glucose, water, and oxygen. 
B)  glucose and water. 
C)  carbon dioxide, water, and energy. 
D)  glucose and carbon dioxide. 
E)  carbon dioxide, chlorophyll, and oxygen.

Question 2

The role of water in photosynthesis is to

Accepted Answer

A)  maintain turgor pressure. 
B)  provide H2. 
C)  provide oxygen. 
D)  provide electrons. 
A)  maintain turgor pressure. 
B)  provide H2. 
C)  provide oxygen. 
D)  provide electrons.

Question 3

The cells in the layer of the leaf contain the majority of a leaf's chloroplasts.

Accepted Answer

The answer of The cells in the layer of the...

Question 4

Pigments that absorb light energy to drive photosynthesis include

Accepted Answer

A)  chlorophyll and carotenoids. 
B)  carotenoids only. 
C)  carotenoids and anthocyanins. 
D)  chlorophyll only. 
E)  anthocyanins only. 
A)  chlorophyll and carotenoids. 
B)  carotenoids only. 
C)  carotenoids and anthocyanins. 
D)  chlorophyll only. 
E)  anthocyanins only.

Question 5

In the C4 pathway, what is the source of carbon?

Accepted Answer

A)  Carbon dioxide 
B)  Water 
C)  Glucose 
D)  NADPH 
E)  ATP 
A)  Carbon dioxide 
B)  Water 
C)  Glucose 
D)  NADPH 
E)  ATP

Question 6

C3 plants are adapted to environmental conditions, whereas C4 plants are adapted to conditions.

Accepted Answer

A)  drought; rainy 
B)  high- light; low- light 
C)  temperate; cool and rainy 
D)  wet; dry 
E)  dry; wet 
A)  drought; rainy 
B)  high- light; low- light 
C)  temperate; cool and rainy 
D)  wet; dry 
E)  dry; wet

Question 7

Describe the two major components of a photosystem. What is the function of each?

Accepted Answer

The light- harvesting complex absorbs li

Question 8

The photosystems are involved in the light reactions of photosynthesis.

Accepted Answer

A) True 
 B)False

Question 9

Why does photorespiration reduce photosynthesis efficiency?

Accepted Answer

Photorespiration does not prod

Question 10

Many plants have evolved leaves that have adjustable pores, called , which allow for gas exchange and water loss.

Accepted Answer

The answer of Many plants have evolved leaves that have...

Question 11

You are carrying out an experiment on several aquatic plants in your fish tank. You decide to expose two of the plants to green light and two to blue light. You want to determine which type of light is best for the light reactions, so to reach your conclusions, you decide to record the amount of oxygen bubbles produced. Which of the following results would be expected?

Accepted Answer

A)  There would be more bubbles from the plants in blue light than from those in green light. 
B)  No bubbles would be produced in either green light or blue light. 
C)  There would be more bubbles from the plants in green light than from those in blue light. 
D)  There would be the same number of bubbles from plants in blue or green light. 
A)  There would be more bubbles from the plants in blue light than from those in green light. 
B)  No bubbles would be produced in either green light or blue light. 
C)  There would be more bubbles from the plants in green light than from those in blue light. 
D)  There would be the same number of bubbles from plants in blue or green light.

Question 12

NADPH is synthesized during which of the following reactions?

Accepted Answer

A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle 
A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle

Question 13

What kind of habitat does a C4- pathway plant favor?

Accepted Answer

A)  Wet and cloudy 
B)  Cool and moist 
C)  Totally aquatic 
D)  Cool and dry 
E)  Hot and dry 
A)  Wet and cloudy 
B)  Cool and moist 
C)  Totally aquatic 
D)  Cool and dry 
E)  Hot and dry

Question 14

In C3 plants, the Calvin cycle occurs in the chloroplasts of cells, but in C4 plants, the Calvin cycle occurs in the _ cells.

Accepted Answer

mesophyll;

Question 15

Which of the following is NOT true of chlorophyll?

Accepted Answer

A)  It is found in mitochondria. 
B)  It absorbs light at the red and blue ends of the spectrum. 
C)  It is the main photosynthetic pigment in plants. 
D)  It reflects green wavelengths of light. 
E)  It is found in the thylakoid membrane. 
A)  It is found in mitochondria. 
B)  It absorbs light at the red and blue ends of the spectrum. 
C)  It is the main photosynthetic pigment in plants. 
D)  It reflects green wavelengths of light. 
E)  It is found in the thylakoid membrane.

Question 16

Imagine you are conducting a photosynthesis experiment on a plant in the lab. You block any light from reaching the plant. Explain the specific effect this will have on the light reactions.

Accepted Answer

Light will not be present to h

Question 17

NADPH is a reactant required during which of the following reactions?

Accepted Answer

A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle 
A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle

Question 18

During the process of photosynthesis, solar energy is converted to

Accepted Answer

A)  chemical energy. 
B)  nuclear energy. 
C)  heat energy. 
D)  mechanical energy. 
E)  thermal energy. 
A)  chemical energy. 
B)  nuclear energy. 
C)  heat energy. 
D)  mechanical energy. 
E)  thermal energy.

Question 19

Enzymes are required during which of the following reactions?

Accepted Answer

A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle 
A)  The light reactions only 
B)  The Calvin cycle only 
C)  Both the light reactions and the Calvin cycle 
D)  Neither the light reactions nor the Calvin cycle

Question 20

Which of the following statements is TRUE regarding the light reactions?

Accepted Answer

A)  Without water, the system would shut down. 
B)  ATP and NADPH are needed. 
C)  They rely on energy provided by glucose synthesis. 
D)  Without photosystem I, photosystem II could not occur. 
E)  Oxygen is required. 
A)  Without water, the system would shut down. 
B)  ATP and NADPH are needed. 
C)  They rely on energy provided by glucose synthesis. 
D)  Without photosystem I, photosystem II could not occur. 
E)  Oxygen is required.

Exam 7: Capturing Solar Energy: Photosynthesis

The products of photosynthesis are

The role of water in photosynthesis is to

The cells in the layer of the leaf contain the majority of a leaf's chloroplasts.

Pigments that absorb light energy to drive photosynthesis include

In the C4 pathway, what is the source of carbon?

C3 plants are adapted to environmental conditions, whereas C4 plants are adapted to conditions.

Describe the two major components of a photosystem. What is the function of each?

The photosystems are involved in the light reactions of photosynthesis.

Why does photorespiration reduce photosynthesis efficiency?

Many plants have evolved leaves that have adjustable pores, called , which allow for gas exchange and water loss.

NADPH is synthesized during which of the following reactions?

What kind of habitat does a C4- pathway plant favor?

In C3 plants, the Calvin cycle occurs in the chloroplasts of cells, but in C4 plants, the Calvin cycle occurs in the _ cells.

Which of the following is NOT true of chlorophyll?

Imagine you are conducting a photosynthesis experiment on a plant in the lab. You block any light from reaching the plant. Explain the specific effect this will have on the light reactions.

NADPH is a reactant required during which of the following reactions?

During the process of photosynthesis, solar energy is converted to

Enzymes are required during which of the following reactions?

Which of the following statements is TRUE regarding the light reactions?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

Filters