Question 1

Specialized roots that permit aquatic plants to facilitate gas exchange are called

Accepted Answer

A)  velamen roots. 
B)  water-storage roots. 
C)  buttress roots. 
D)  pneumatophores. 
E)  prop roots. 
A)  velamen roots. 
B)  water-storage roots. 
C)  buttress roots. 
D)  pneumatophores. 
E)  prop roots.

Question 2

The protective suberin bands called Casparian strips are confined to the cells of the epidermis.

Accepted Answer

A) True 
 B)False

Question 3

________ root systems develop from the radicle.

Accepted Answer

A)  Adventitious 
B)  Climbing 
C)  Stem cutting 
D)  Fibrous 
E)  Taproot 
A)  Adventitious 
B)  Climbing 
C)  Stem cutting 
D)  Fibrous 
E)  Taproot

Question 4

Pith tissue is absent in dicot roots.

Accepted Answer

A) True 
 B)False

Question 5

Roots that develop from an organ OTHER than an existing root are called

Accepted Answer

A)  root hairs 
B)  fibrous roots 
C)  radicle 
D)  adventitious roots 
E)  primary root 
A)  root hairs 
B)  fibrous roots 
C)  radicle 
D)  adventitious roots 
E)  primary root

Question 6

Which of the following spices or flavorings is obtained from roots?

Accepted Answer

A)  sarsaparilla 
B)  angelica 
C)  licorice 
D)  sassafras 
E)  All of these answers are correct. 
A)  sarsaparilla 
B)  angelica 
C)  licorice 
D)  sassafras 
E)  All of these answers are correct.

Question 7

Cells of an endodermis that do not have Casparian strips are

Accepted Answer

A)  sieve-tube elements. 
B)  tracheids. 
C)  fibers. 
D)  collenchyma. 
E)  passage cells. 
A)  sieve-tube elements. 
B)  tracheids. 
C)  fibers. 
D)  collenchyma. 
E)  passage cells.

Question 8

Root hairs are found in the region of the root called the

Accepted Answer

A)  root cap. 
B)  apical meristem. 
C)  region of elongation. 
D)  region of maturation. 
E)  endodermis. 
A)  root cap. 
B)  apical meristem. 
C)  region of elongation. 
D)  region of maturation. 
E)  endodermis.

Question 9

The vascular tissue of a new lateral (branch) root connects with the vascular tissue of the older root for continuous conduction of water and minerals.

Accepted Answer

A) True 
 B)False

Question 10

The tissue in which a cork cambium first develops in woody dicot roots is the

Accepted Answer

A)  pericycle. 
B)  endodermis. 
C)  primary xylem. 
D)  primary phloem. 
E)  cortex. 
A)  pericycle. 
B)  endodermis. 
C)  primary xylem. 
D)  primary phloem. 
E)  cortex.

Question 11

Contractile roots are common in woody plants.

Accepted Answer

A) True 
 B)False

Question 12

Haustoria and mycorrhizae are two examples of tap roots.

Accepted Answer

A) True 
 B)False

Question 13

The function of mycorrhizae fungi is to facilitate uptake and availability of water and minerals, especially phosphorous.

Accepted Answer

A) True 
 B)False

Question 14

A root system may function in which of the following?

Accepted Answer

A)  anchorage and storage 
B)  growth 
C)  absorption and conduction 
D)  production of new roots 
E)  All of the answers are correct. 
A)  anchorage and storage 
B)  growth 
C)  absorption and conduction 
D)  production of new roots 
E)  All of the answers are correct.

Question 15

Water that drains out of the pores in soils after a rain is called

Accepted Answer

A)  capillary water. 
B)  gravitational water. 
C)  hygroscopic water. 
D)  field capacity. 
E)  available water. 
A)  capillary water. 
B)  gravitational water. 
C)  hygroscopic water. 
D)  field capacity. 
E)  available water.

Question 16

Outer cells of the root cap secrete mucilage.

Accepted Answer

A) True 
 B)False

Question 17

Natural grafting between roots of different trees of the same species is well known in the tropics.

Accepted Answer

A) True 
 B)False

Question 18

The best soil for plant growth is

Accepted Answer

A)  clay. 
B)  sand. 
C)  loam. 
D)  peat. 
E)  both clay and sand are correct. 
A)  clay. 
B)  sand. 
C)  loam. 
D)  peat. 
E)  both clay and sand are correct.

Question 19

Soil parent material extends down to bedrock.

Accepted Answer

A) True 
 B)False

Question 20

When a seed germinates, the part of the embryo that develops into the first root is called a radicle.

Accepted Answer

A) True 
 B)False

Exam 5: Roots and Soils

Specialized roots that permit aquatic plants to facilitate gas exchange are called

The protective suberin bands called Casparian strips are confined to the cells of the epidermis.

________ root systems develop from the radicle.

Pith tissue is absent in dicot roots.

Roots that develop from an organ OTHER than an existing root are called

Which of the following spices or flavorings is obtained from roots?

Cells of an endodermis that do not have Casparian strips are

Root hairs are found in the region of the root called the

The vascular tissue of a new lateral (branch) root connects with the vascular tissue of the older root for continuous conduction of water and minerals.

The tissue in which a cork cambium first develops in woody dicot roots is the

Contractile roots are common in woody plants.

Haustoria and mycorrhizae are two examples of tap roots.

The function of mycorrhizae fungi is to facilitate uptake and availability of water and minerals, especially phosphorous.

A root system may function in which of the following?

Water that drains out of the pores in soils after a rain is called

Outer cells of the root cap secrete mucilage.

Natural grafting between roots of different trees of the same species is well known in the tropics.

The best soil for plant growth is

Soil parent material extends down to bedrock.

When a seed germinates, the part of the embryo that develops into the first root is called a radicle.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters