Question 1

Siphonosteles occur in most

Accepted Answer

A)  club mosses. 
B)  coniferous plants. 
C)  monocots. 
D)  ferns. 
E)  dicots. 
A)  club mosses. 
B)  coniferous plants. 
C)  monocots. 
D)  ferns. 
E)  dicots. D

Question 2

Which of the following function primarily in the lateral conduction of food in a stem?

Accepted Answer

A)  resin canals 
B)  laticifers 
C)  tyloses 
D)  lenticels 
E)  rays 
A)  resin canals 
B)  laticifers 
C)  tyloses 
D)  lenticels 
E)  rays E

Question 3

You can determine whether an unknown plant structure that you dig up is a stem or root by ______________.

Accepted Answer

A)  determining whether it is divided into nodes and internodes 
B)  checking for the presence of a root cap 
C)  checking for the presence of woody tissue and bark 
D)  determining if the structure has protoderm, ground meristem, and procambium 
E)  checking to see if it produces lateral roots with root hairs 
A)  determining whether it is divided into nodes and internodes 
B)  checking for the presence of a root cap 
C)  checking for the presence of woody tissue and bark 
D)  determining if the structure has protoderm, ground meristem, and procambium 
E)  checking to see if it produces lateral roots with root hairs A

Question 4

A wood's capacity to withstand decay organisms is referred to as its

Accepted Answer

A)  density. 
B)  specific gravity. 
C)  durability. 
D)  seasoning capacity. 
E)  charcoal capacity. 
A)  density. 
B)  specific gravity. 
C)  durability. 
D)  seasoning capacity. 
E)  charcoal capacity.

Question 5

A twig's age can be determined by

Accepted Answer

A)  counting the number of leaves or leaf scars on it. 
B)  counting the number of groups of bud scale scars on it. 
C)  measuring the distances between nodes. 
D)  counting nodes. 
E)  examining its pith. 
A)  counting the number of leaves or leaf scars on it. 
B)  counting the number of groups of bud scale scars on it. 
C)  measuring the distances between nodes. 
D)  counting nodes. 
E)  examining its pith.

Question 6

Lenticels and stomata function in gas exchange.

Accepted Answer

A) True 
 B)False

Question 7

Axillary buds are found in

Accepted Answer

A)  angles between the petioles and the stem. 
B)  along internodes. 
C)  at tips of stems. 
D)  on terminal buds. 
E)  on roots. 
A)  angles between the petioles and the stem. 
B)  along internodes. 
C)  at tips of stems. 
D)  on terminal buds. 
E)  on roots.

Question 8

Which of the following specialized stems have relatively long internodes?

Accepted Answer

A)  rhizomes 
B)  stolons 
C)  tubers 
D)  corms 
E)  bulbs 
A)  rhizomes 
B)  stolons 
C)  tubers 
D)  corms 
E)  bulbs

Question 9

Which function does the stem have in common with the root?

Accepted Answer

A)  synthesis of starch 
B)  photosynthesis 
C)  conduction 
D)  absorption 
E)  both [photosynthesis and conduction] are correct 
A)  synthesis of starch 
B)  photosynthesis 
C)  conduction 
D)  absorption 
E)  both [photosynthesis and conduction] are correct

Question 10

Horizontal stems that produce roots and shoots are

Accepted Answer

A)  cladophylls. 
B)  stolons. 
C)  tubers. 
D)  bulbs. 
E)  corms. 
A)  cladophylls. 
B)  stolons. 
C)  tubers. 
D)  bulbs. 
E)  corms.

Question 11

A very thin sheet of desirable wood that is carefully cut so as to produce the best possible view of the grain and then glued to cheaper lumber is called

Accepted Answer

A)  excelsior. 
B)  cooperage. 
C)  quartersawed wood. 
D)  veneer. 
E)  piling wood. 
A)  excelsior. 
B)  cooperage. 
C)  quartersawed wood. 
D)  veneer. 
E)  piling wood.

Question 12

The cortex and the pith consist primarily of parenchyma cells.

Accepted Answer

A) True 
 B)False

Question 13

A cladophyll is a stem with thick bark.

Accepted Answer

A) True 
 B)False

Question 14

Stems and roots exhibit indeterminate growth which means:

Accepted Answer

A)  they have a growth pattern similar to animals. 
B)  they grow only during the first season regardless of how long the plant lives. 
C)  they grow throughout the lifetime of the plant. 
D)  they exhibit only secondary growth. 
E)  they exhibit only primary growth. 
A)  they have a growth pattern similar to animals. 
B)  they grow only during the first season regardless of how long the plant lives. 
C)  they grow throughout the lifetime of the plant. 
D)  they exhibit only secondary growth. 
E)  they exhibit only primary growth.

Question 15

Corms and bulbs differ in that corms have fleshy leaves whereas bulbs do not.

Accepted Answer

A) True 
 B)False

Question 16

The "eyes" of the Irish potato are actually

Accepted Answer

A)  axillary buds. 
B)  fibrous roots. 
C)  internodes. 
D)  adventitious roots. 
E)  flower buds. 
A)  axillary buds. 
B)  fibrous roots. 
C)  internodes. 
D)  adventitious roots. 
E)  flower buds.

Question 17

Nearly all plants produce laticifers.

Accepted Answer

A) True 
 B)False

Question 18

This tissue is responsible for the production of cork cells.

Accepted Answer

A)  procambium 
B)  phellem 
C)  phylogene 
D)  phellogen 
E)  phelloderm 
A)  procambium 
B)  phellem 
C)  phylogene 
D)  phellogen 
E)  phelloderm

Question 19

Cone-shaped stems surrounded by many scalelike leaves that are modified for food storage are

Accepted Answer

A)  bulbs. 
B)  corms. 
C)  tubers. 
D)  rhizomes. 
E)  stolons. 
A)  bulbs. 
B)  corms. 
C)  tubers. 
D)  rhizomes. 
E)  stolons.

Question 20

Monocot plants frequently develop woody stems.

Accepted Answer

A) True 
 B)False

Exam 6: Stems

Siphonosteles occur in most

Which of the following function primarily in the lateral conduction of food in a stem?

You can determine whether an unknown plant structure that you dig up is a stem or root by ______________.

A wood's capacity to withstand decay organisms is referred to as its

A twig's age can be determined by

Lenticels and stomata function in gas exchange.

Axillary buds are found in

Which of the following specialized stems have relatively long internodes?

Which function does the stem have in common with the root?

Horizontal stems that produce roots and shoots are

A very thin sheet of desirable wood that is carefully cut so as to produce the best possible view of the grain and then glued to cheaper lumber is called

The cortex and the pith consist primarily of parenchyma cells.

A cladophyll is a stem with thick bark.

Stems and roots exhibit indeterminate growth which means:

Corms and bulbs differ in that corms have fleshy leaves whereas bulbs do not.

The "eyes" of the Irish potato are actually

Nearly all plants produce laticifers.

This tissue is responsible for the production of cork cells.

Cone-shaped stems surrounded by many scalelike leaves that are modified for food storage are

Monocot plants frequently develop woody stems.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

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

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