Question 1

Diagram and label the life cycle of a fern. Be sure to identify the gametophyte and sporophyte generations.

Accepted Answer

The diagram should r

Question 2

Figure 27-2   Refer to the accompanying figure. At what point is there potential to undergo mitosis to become a gametophyte?

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  6 
E)  9 
A)  2 
B)  3 
C)  5 
D)  6 
E)  9

Question 3

The leafy fern that you might have as a house plant is the ____ generation.

Accepted Answer

A)  diploid sporophyte 
B)  diploid gametophyte 
C)  haploid sporophyte 
D)  haploid gametophyte 
E)  triploid sporophyte 
A)  diploid sporophyte 
B)  diploid gametophyte 
C)  haploid sporophyte 
D)  haploid gametophyte 
E)  triploid sporophyte

Question 4

In algae, gametangia are generally unicellular . 
_________________

Accepted Answer

A) True 
 B)False

Question 5

Club mosses belong to the phylum Bryophyta . 
____________________

Accepted Answer

A) True 
 B)False

Question 6

Figure 27-3   The structure in the accompanying figure labeled as 4 is:

Accepted Answer

A)  haploid. 
B)  diploid. 
C)  a zygote. 
D)  polyploid. 
E)  produced by meiosis. 
A)  haploid. 
B)  diploid. 
C)  a zygote. 
D)  polyploid. 
E)  produced by meiosis.

Question 7

Figure 27-1   What is the structure labeled as 1 in the accompanying figure?

Accepted Answer

A)  heterospore 
B)  homospore 
C)  embryo 
D)  gamete 
E)  zygote 
A)  heterospore 
B)  homospore 
C)  embryo 
D)  gamete 
E)  zygote

Question 8

A(n) sorus is a cluster of sporangia. 
____________________

Accepted Answer

A) True 
 B)False

Question 9

What do ferns lack?

Accepted Answer

A)  seeds 
B)  rhizomes 
C)  chloroplasts 
D)  vascular tissue 
E)  sexual reproductive cycle 
A)  seeds 
B)  rhizomes 
C)  chloroplasts 
D)  vascular tissue 
E)  sexual reproductive cycle

Question 10

Figure 27-2   Refer to the accompanying figure. At what point of this life cycle does fertilization occur?

Accepted Answer

A)  1 
B)  4 
C)  6 
D)  7 
E)  8 
A)  1 
B)  4 
C)  6 
D)  7 
E)  8

Question 11

According to the fossil record, the oldest vascular plants are placed in which phylum?

Accepted Answer

A)  Rhyniophyta 
B)  Bryophyta 
C)  Anthocerophyta 
D)  Pteridophyta 
E)  Lycopodiphyta 
A)  Rhyniophyta 
B)  Bryophyta 
C)  Anthocerophyta 
D)  Pteridophyta 
E)  Lycopodiphyta

Question 12

Which vascular tissue is responsible for conducting water and dissolved minerals in plants?

Accepted Answer

A)  phloem 
B)  xylem 
C)  stems 
D)  roots 
E)  sori 
A)  phloem 
B)  xylem 
C)  stems 
D)  roots 
E)  sori

Question 13

Which statement about whisk ferns is FALSE?

Accepted Answer

A)  They exhibit dichotomous branching. 
B)  One representative is Psilotum . 
C)  They lack true leaves. 
D)  They lack true roots. 
E)  They lack true stems. 
A)  They exhibit dichotomous branching. 
B)  One representative is Psilotum . 
C)  They lack true leaves. 
D)  They lack true roots. 
E)  They lack true stems.

Question 14

The first plants evolved rapidly during which time period?

Accepted Answer

A)  Triassic 
B)  Silurian 
C)  Devonian 
D)  Ordovician 
E)  Carboniferous 
A)  Triassic 
B)  Silurian 
C)  Devonian 
D)  Ordovician 
E)  Carboniferous

Question 15

Mosses have stems, roots, and leaves. 
____________________

Accepted Answer

A) True 
 B)False

Question 16

What is the male sexual structure that produces sperm in plants?

Accepted Answer

A)  antheridium 
B)  archegonium 
C)  sporangium 
D)  strobilus 
E)  stoma 
A)  antheridium 
B)  archegonium 
C)  sporangium 
D)  strobilus 
E)  stoma

Question 17

A bryophyte having a single large chloroplast in each cell belongs to which phylum?

Accepted Answer

A)  Bryophyta 
B)  Pterophyta 
C)  Hepatophyta 
D)  Anthocerophyta 
E)  Lycopodiophyta 
A)  Bryophyta 
B)  Pterophyta 
C)  Hepatophyta 
D)  Anthocerophyta 
E)  Lycopodiophyta

Question 18

If a plant produces microspores and megaspores, then by definition, it is homosporous . 
____________________

Accepted Answer

A) True 
 B)False

Question 19

The sori of most ferns are found on which part of the plant?

Accepted Answer

A)  fronds 
B)  prothalli 
C)  rhizomes 
D)  antheridia 
E)  fiddleheads 
A)  fronds 
B)  prothalli 
C)  rhizomes 
D)  antheridia 
E)  fiddleheads

Question 20

What is the purpose of the waxy cuticle in plants?

Accepted Answer

A)  It prevents desiccation. 
B)  It prevents transpiration. 
C)  It prevents diffusion of gases. 
D)  It prevents the transport of nutrients. 
E)  It prevents the internal transport of water. 
A)  It prevents desiccation. 
B)  It prevents transpiration. 
C)  It prevents diffusion of gases. 
D)  It prevents the transport of nutrients. 
E)  It prevents the internal transport of water.

Exam 27: Seedless Plants

Diagram and label the life cycle of a fern. Be sure to identify the gametophyte and sporophyte generations.

Figure 27-2 Refer to the accompanying figure. At what point is there potential to undergo mitosis to become a gametophyte?

The leafy fern that you might have as a house plant is the ____ generation.

In algae, gametangia are generally unicellular . _________________

Club mosses belong to the phylum Bryophyta . ____________________

Figure 27-3 The structure in the accompanying figure labeled as 4 is:

Figure 27-1 What is the structure labeled as 1 in the accompanying figure?

A(n) sorus is a cluster of sporangia. ____________________

What do ferns lack?

Figure 27-2 Refer to the accompanying figure. At what point of this life cycle does fertilization occur?

According to the fossil record, the oldest vascular plants are placed in which phylum?

Which vascular tissue is responsible for conducting water and dissolved minerals in plants?

Which statement about whisk ferns is FALSE?

The first plants evolved rapidly during which time period?

Mosses have stems, roots, and leaves. ____________________

What is the male sexual structure that produces sperm in plants?

A bryophyte having a single large chloroplast in each cell belongs to which phylum?

If a plant produces microspores and megaspores, then by definition, it is homosporous . ____________________

The sori of most ferns are found on which part of the plant?

What is the purpose of the waxy cuticle in plants?

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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