Question 1

Root hairs are prominent in the

Accepted Answer

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

Question 2

Outer cells of the root cap secrete mucilage.

Accepted Answer

A) True 
 B)False

Question 3

Good agricultural soils are granular soils with pore spaces that occupy which of the following percentages of the total volume of the soil?

Accepted Answer

A)  10% to 20% 
B)  20% to 30% 
C)  40% to 60% 
D)  60% to 70% 
E)  none of these answers are correct 
A)  10% to 20% 
B)  20% to 30% 
C)  40% to 60% 
D)  60% to 70% 
E)  none of these answers are correct

Question 4

____________ 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 5

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 6

A colloid is a mixture of water and particles that are smaller than average molecules in size.

Accepted Answer

A) True 
 B)False

Question 7

People harvest the storage roots of biennials such as __________ for their food value.

Accepted Answer

A)  carrots 
B)  licorice 
C)  reserpine 
D)  rotenone 
E)  all of these answers are correct 
A)  carrots 
B)  licorice 
C)  reserpine 
D)  rotenone 
E)  all of these answers are correct

Question 8

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 9

What does too much water do to the soil?

Accepted Answer

A)  Depletes mineral nutrients. 
B)  Slows mineralization. 
C)  Interferes with plant growth. 
D)  Accelerates the breakdown of nitrates. 
E)  All of these answers are correct. 
A)  Depletes mineral nutrients. 
B)  Slows mineralization. 
C)  Interferes with plant growth. 
D)  Accelerates the breakdown of nitrates. 
E)  All of these answers are correct.

Question 10

The perception of gravity by roots is aided by

Accepted Answer

A)  amyloplasts. 
B)  chloroplasts. 
C)  chromoplasts. 
D)  leucoplasts. 
E)  gravoplasts. 
A)  amyloplasts. 
B)  chloroplasts. 
C)  chromoplasts. 
D)  leucoplasts. 
E)  gravoplasts.

Question 11

Which of the following is a part of the embryo of a seed?

Accepted Answer

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

Root hairs are prominent in the

Outer cells of the root cap secrete mucilage.

Good agricultural soils are granular soils with pore spaces that occupy which of the following percentages of the total volume of the soil?

____________ root systems develop from the radicle.

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

A colloid is a mixture of water and particles that are smaller than average molecules in size.

People harvest the storage roots of biennials such as __________ for their food value.

Cells of an endodermis that do not have Casparian strips are

What does too much water do to the soil?

The perception of gravity by roots is aided by

Which of the following is a part of the embryo of a seed?

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 Kingdombacteria, Domain King-Domarchaea, 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

Exam 5: Roots and Soils

Root hairs are prominent in the

Outer cells of the root cap secrete mucilage.

Good agricultural soils are granular soils with pore spaces that occupy which of the following percentages of the total volume of the soil?

____________ root systems develop from the radicle.

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

A colloid is a mixture of water and particles that are smaller than average molecules in size.

People harvest the storage roots of biennials such as __________ for their food value.

Cells of an endodermis that do not have Casparian strips are

What does too much water do to the soil?

The perception of gravity by roots is aided by

Which of the following is a part of the embryo of a seed?

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 Kingdombacteria, Domain King-Domarchaea, 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