Question 1

Which of the following is true of phloem transport?

Accepted Answer

A)  Pressure in the sugar-loading zone is greater than pressure in the phloem-unloading zone. 
B)  Pressure in the sugar-loading zone is less than pressure in the phloem-unloading zone. 
C)  Pressure in the sugar-loading zone is equal to pressure in the phloem-unloading zone. 
D)  Pressure is not involved in phloem transport. 
A)  Pressure in the sugar-loading zone is greater than pressure in the phloem-unloading zone. 
B)  Pressure in the sugar-loading zone is less than pressure in the phloem-unloading zone. 
C)  Pressure in the sugar-loading zone is equal to pressure in the phloem-unloading zone. 
D)  Pressure is not involved in phloem transport.

Question 2

Some insects obtain nutrition by poking a mouthpart into the stem of a plant.Once the insect's mouthpart is inserted,fluid from the plant is actually pushed through the digestive tract of the insect by pressure.The mouthpart of the insect has most likely penetrated the ________ of the plant.

Accepted Answer

A)  xylem 
B)  phloem 
C)  companion cells 
D)  endodermis 
A)  xylem 
B)  phloem 
C)  companion cells 
D)  endodermis

Question 3

Tracheids in plants are found in

Accepted Answer

A)  phloem. 
B)  xylem. 
C)  root caps. 
D)  guard cells. 
A)  phloem. 
B)  xylem. 
C)  root caps. 
D)  guard cells.

Question 4

Fungi can clog tracheids and vessels,which causes a plant's ________ system to wilt.

Accepted Answer

The answer of Fungi can clog tracheids and vessels,which causes...

Question 5

Which of the following is an example of a plant tissue?

Accepted Answer

A)  root 
B)  stem 
C)  leaves 
D)  vascular 
A)  root 
B)  stem 
C)  leaves 
D)  vascular

Question 6

A benefit of using organic fertilizers over inorganic fertilizers is that organic fertilizers

Accepted Answer

A)  supply energy to plant roots. 
B)  provide large quantities of potassium. 
C)  help soil hold water within which nutrients can dissolve. 
D)  help rid soil of harmful minerals. 
A)  supply energy to plant roots. 
B)  provide large quantities of potassium. 
C)  help soil hold water within which nutrients can dissolve. 
D)  help rid soil of harmful minerals.

Question 7

A high-quality soil provides everything needed for plant growth.

Accepted Answer

A) True 
 B)False

Question 8

Flowers are an example of a plant organ.

Accepted Answer

A) True 
 B)False

Question 9

The reason that the cell walls of tracheids are so thick is to prevent them from collapsing under the tension created by transpiration.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements is true?

Accepted Answer

A)  Plants rely on exoskeletons for support. 
B)  Plants rely on cell walls for support. 
C)  Plants rely on endoskeletons for support. 
D)  Plants do not require a support system. 
A)  Plants rely on exoskeletons for support. 
B)  Plants rely on cell walls for support. 
C)  Plants rely on endoskeletons for support. 
D)  Plants do not require a support system.

Question 11

The outer waxy covering on plants is called

Accepted Answer

A)  dermal tissue. 
B)  the trichome layer. 
C)  the guard cell layer. 
D)  the cuticle. 
A)  dermal tissue. 
B)  the trichome layer. 
C)  the guard cell layer. 
D)  the cuticle.

Question 12

In terms of their energy needs,solar energy is converted to chemical energy primarily within the plant's

Accepted Answer

A)  stems. 
B)  leaves. 
C)  roots. 
D)  flowers. 
A)  stems. 
B)  leaves. 
C)  roots. 
D)  flowers.

Question 13

Most carnivorous plants obtain energy through photosynthesis;they consume insects to obtain ________ and ________.

Accepted Answer

nitrogen;p

Question 14

Which of the following is NOT a function of stems?

Accepted Answer

A)  positioning the leaves for photosynthesis 
B)  supporting the overall shape of the plant 
C)  water and mineral absorption 
D)  vertical growth 
A)  positioning the leaves for photosynthesis 
B)  supporting the overall shape of the plant 
C)  water and mineral absorption 
D)  vertical growth

Question 15

Which of the following does NOT contain ground tissue?

Accepted Answer

A)  stems 
B)  roots 
C)  leaves 
D)  guard cells 
A)  stems 
B)  roots 
C)  leaves 
D)  guard cells

Question 16

In a plant leaf,photosynthesis occurs in the ________ cells.

Accepted Answer

A)  collenchyma 
B)  parenchyma 
C)  sclerenchyma 
D)  collenchyma,parenchyma,and sclerenchyma 
A)  collenchyma 
B)  parenchyma 
C)  sclerenchyma 
D)  collenchyma,parenchyma,and sclerenchyma

Question 17

From root hair to xylem,which of the following describes the journey of water entering a plant?

Accepted Answer

A)  cortex to endodermis to dermal cell layer 
B)  endodermis to dermal cell layer to cortex 
C)  cortex to dermal cell layer to endodermis 
D)  dermal cell layer to cortex to endodermis 
A)  cortex to endodermis to dermal cell layer 
B)  endodermis to dermal cell layer to cortex 
C)  cortex to dermal cell layer to endodermis 
D)  dermal cell layer to cortex to endodermis

Question 18

Plant spines or thorns are examples of modified leaves.

Accepted Answer

A) True 
 B)False

Question 19

The typical leaf is broad and flat.This structure maximizes the amount of

Accepted Answer

A)  light the leaf can capture for photosynthesis. 
B)  area available for the plant to absorb carbon dioxide. 
C)  area available for the plant to absorb water. 
D)  light the leaf can capture for photosynthesis and the area available for the plant to absorb carbon dioxide. 
A)  light the leaf can capture for photosynthesis. 
B)  area available for the plant to absorb carbon dioxide. 
C)  area available for the plant to absorb water. 
D)  light the leaf can capture for photosynthesis and the area available for the plant to absorb carbon dioxide.

Question 20

Which combination of conditions will cause a plant's stomata to open?

Accepted Answer

A)  high moisture and daylight 
B)  high moisture and darkness 
C)  dehydration and darkness 
D)  dehydration and daylight 
A)  high moisture and daylight 
B)  high moisture and darkness 
C)  dehydration and darkness 
D)  dehydration and daylight

Exam 34: Plant Structure, Nutrition, and Transport

Which of the following is true of phloem transport?

Some insects obtain nutrition by poking a mouthpart into the stem of a plant.Once the insect's mouthpart is inserted,fluid from the plant is actually pushed through the digestive tract of the insect by pressure.The mouthpart of the insect has most likely penetrated the ________ of the plant.

Tracheids in plants are found in

Fungi can clog tracheids and vessels,which causes a plant's ________ system to wilt.

Which of the following is an example of a plant tissue?

A benefit of using organic fertilizers over inorganic fertilizers is that organic fertilizers

A high-quality soil provides everything needed for plant growth.

Flowers are an example of a plant organ.

The reason that the cell walls of tracheids are so thick is to prevent them from collapsing under the tension created by transpiration.

Which of the following statements is true?

The outer waxy covering on plants is called

In terms of their energy needs,solar energy is converted to chemical energy primarily within the plant's

Most carnivorous plants obtain energy through photosynthesis;they consume insects to obtain ________ and ________.

Which of the following is NOT a function of stems?

Which of the following does NOT contain ground tissue?

In a plant leaf,photosynthesis occurs in the ________ cells.

From root hair to xylem,which of the following describes the journey of water entering a plant?

Plant spines or thorns are examples of modified leaves.

The typical leaf is broad and flat.This structure maximizes the amount of

Which combination of conditions will cause a plant's stomata to open?

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Growth and Reproduction

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Most carnivorous plants obtain energy through photosynthesis;they consume insects to obtain and .