Question 1

Knots are branch bases that have become covered over by new wood.

Accepted Answer

A) True 
 B)False

Question 2

Wood cells are composed primarily of cellulose and

Accepted Answer

A)  lignin. 
B)  pectin. 
C)  starch. 
D)  glucose. 
E)  suberin. 
A)  lignin. 
B)  pectin. 
C)  starch. 
D)  glucose. 
E)  suberin.

Question 3

Quartersawed boards are those that have been cut along rays, or parallel to the rays.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Older, nonfunctioning xylem is called

Accepted Answer

A)  sapwood. 
B)  summer wood. 
C)  springwood. 
D)  winter wood. 
E)  heartwood. 
A)  sapwood. 
B)  summer wood. 
C)  springwood. 
D)  winter wood. 
E)  heartwood.

Question 6

Nearly all plants produce laticifers.

Accepted Answer

A) True 
 B)False

Question 7

Monocot stems have discrete regions of xylem and phloem arranged ________; herbaceous dicot stems have discrete regions of xylem and phloem arranged ________.

Accepted Answer

A)  in a ring; randomly 
B)  in the stem center only; in a ring directly beneath the epidermis. 
C)  directly beneath the epidermis; in the stem center only 
D)  randomly; in a ring 
E)  in a ring; in a ring 
A)  in a ring; randomly 
B)  in the stem center only; in a ring directly beneath the epidermis. 
C)  directly beneath the epidermis; in the stem center only 
D)  randomly; in a ring 
E)  in a ring; in a ring

Question 8

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 9

An annual ring

Accepted Answer

A)  consists primarily of cells produced by an apical meristem. 
B)  consists of one year's growth of xylem and phloem. 
C)  consists of one year's growth of xylem. 
D)  includes cortex and pith tissue. 
E)  conducts food. 
A)  consists primarily of cells produced by an apical meristem. 
B)  consists of one year's growth of xylem and phloem. 
C)  consists of one year's growth of xylem. 
D)  includes cortex and pith tissue. 
E)  conducts food.

Question 10

Which of the following gives rise to primary tissues?

Accepted Answer

A)  procambium 
B)  phelloderm 
C)  cork cambium 
D)  vascular cambium 
E)  phloem rays 
A)  procambium 
B)  phelloderm 
C)  cork cambium 
D)  vascular cambium 
E)  phloem rays

Question 11

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.

Question 12

Which of the following would NOT be part of a stele?

Accepted Answer

A)  cortex 
B)  primary xylem 
C)  primary phloem 
D)  pith 
E)  All of these answers are correct. 
A)  cortex 
B)  primary xylem 
C)  primary phloem 
D)  pith 
E)  All of these answers are correct.

Question 13

Which of the following describe leaf gaps and bud gaps?

Accepted Answer

A)  gaps in the cylinders of xylem and phloem where traces branch off from them 
B)  air spaces in leaves 
C)  spaces on internodes between leaves 
D)  spaces between bud scales 
E)  None of these answers are correct. 
A)  gaps in the cylinders of xylem and phloem where traces branch off from them 
B)  air spaces in leaves 
C)  spaces on internodes between leaves 
D)  spaces between bud scales 
E)  None of these answers are correct.

Question 14

As woody stems age, lenticels develop directly beneath

Accepted Answer

A)  outer xylem. 
B)  stomata. 
C)  axillary buds. 
D)  terminal buds. 
E)  outer phloem. 
A)  outer xylem. 
B)  stomata. 
C)  axillary buds. 
D)  terminal buds. 
E)  outer phloem.

Question 15

Which of the following have no nodes or internodes?

Accepted Answer

A)  stolons 
B)  rhizomes 
C)  cladophylls 
D)  tubers 
E)  None of these answers are correct. 
A)  stolons 
B)  rhizomes 
C)  cladophylls 
D)  tubers 
E)  None of these answers are correct.

Question 16

The procambium produces

Accepted Answer

A)  secondary xylem and phloem. 
B)  cortex. 
C)  pith. 
D)  epidermis. 
E)  primary xylem and phloem. 
A)  secondary xylem and phloem. 
B)  cortex. 
C)  pith. 
D)  epidermis. 
E)  primary xylem and phloem.

Question 17

An increment borer is a common pest of woody stems.

Accepted Answer

A) True 
 B)False

Question 18

Increase in girth of a tree is due to the activity of

Accepted Answer

A)  procambium. 
B)  ground meristem. 
C)  protoderm. 
D)  vascular cambium. 
E)  periderm. 
A)  procambium. 
B)  ground meristem. 
C)  protoderm. 
D)  vascular cambium. 
E)  periderm.

Question 19

The ________ is a primary meristem that produces parenchyma cells of the cortex.

Accepted Answer

A)  procambium 
B)  ground meristem 
C)  protoderm 
D)  phelloderm 
E)  pericycle 
A)  procambium 
B)  ground meristem 
C)  protoderm 
D)  phelloderm 
E)  pericycle

Question 20

The tyloses that prevent conduction of any kind in wood are most frequently found in

Accepted Answer

A)  laticifers. 
B)  sieve-tube elements. 
C)  resin canals. 
D)  cork cells. 
E)  xylem cells. 
A)  laticifers. 
B)  sieve-tube elements. 
C)  resin canals. 
D)  cork cells. 
E)  xylem cells.

Exam 6: Stems

Knots are branch bases that have become covered over by new wood.

Wood cells are composed primarily of cellulose and

Quartersawed boards are those that have been cut along rays, or parallel to the rays.

The "eyes" of the Irish potato are actually

Older, nonfunctioning xylem is called

Nearly all plants produce laticifers.

Monocot stems have discrete regions of xylem and phloem arranged ________; herbaceous dicot stems have discrete regions of xylem and phloem arranged ________.

Stems and roots exhibit indeterminate growth which means:

An annual ring

Which of the following gives rise to primary tissues?

Siphonosteles occur in most

Which of the following would NOT be part of a stele?

Which of the following describe leaf gaps and bud gaps?

As woody stems age, lenticels develop directly beneath

Which of the following have no nodes or internodes?

The procambium produces

An increment borer is a common pest of woody stems.

Increase in girth of a tree is due to the activity of

The ________ is a primary meristem that produces parenchyma cells of the cortex.

The tyloses that prevent conduction of any kind in wood are most frequently found in

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 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

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Monocot stems have discrete regions of xylem and phloem arranged ; herbaceous dicot stems have discrete regions of xylem and phloem arranged .