Question 1

Which of the following possess stomata?

Accepted Answer

A)  Charaphyaceae 
B)  Anthocerophyta 
C)  Hepaticophyta 
D)  Ulvophyceae 
E)  All of these answers apply. 
A)  Charaphyaceae 
B)  Anthocerophyta 
C)  Hepaticophyta 
D)  Ulvophyceae 
E)  All of these answers apply.

Question 2

Which of these is a major trend in land plant evolution?

Accepted Answer

A)  the trend toward larger gametophytes 
B)  the trend toward a sporophyte- dominated life cycle 
C)  the trend toward a gametophyte- dominated life cycle 
D)  the trend toward smaller size 
A)  the trend toward larger gametophytes 
B)  the trend toward a sporophyte- dominated life cycle 
C)  the trend toward a gametophyte- dominated life cycle 
D)  the trend toward smaller size

Question 3

What is true about the genus Sphagnum?

Accepted Answer

A)  It is used by gardeners as a fertilizer. 
B)  It grows in extensive mats in grassland areas. 
C)  It is an important carbon sink, reducing atmospheric CO2. 
D)  It accumulates to form coal and is burned as a fuel. 
E)  It is an economically important liverwort. 
A)  It is used by gardeners as a fertilizer. 
B)  It grows in extensive mats in grassland areas. 
C)  It is an important carbon sink, reducing atmospheric CO2. 
D)  It accumulates to form coal and is burned as a fuel. 
E)  It is an economically important liverwort.

Question 4

In general, liverworts have a cuticle and pores. However, some species do not have pores. What would you predict concerning the cuticle of these species and why?

Accepted Answer

A)  The cuticle would be thicker than in those species with pores. 
B)  The cuticle would be the same as in those species with pores. 
C)  The cuticle would be thinner than in those species with pores. 
D)  There is not enough information to make a prediction. 
A)  The cuticle would be thicker than in those species with pores. 
B)  The cuticle would be the same as in those species with pores. 
C)  The cuticle would be thinner than in those species with pores. 
D)  There is not enough information to make a prediction.

Question 5

Which is the most diverse group of land plants?

Accepted Answer

A)  gymnosperms 
B)  pines 
C)  ferns 
D)  angiosperms 
A)  gymnosperms 
B)  pines 
C)  ferns 
D)  angiosperms

Question 6

Molecular phylogenies show all land plants are a monophyletic group. This suggests that

Accepted Answer

A)  wind- pollinated plants arose first. 
B)  there was a single transition from aquatic to terrestrial habitats. 
C)  land plants have undergone a diversification since they first colonized terrestrial habitats. 
D)  there were many different transitions from aquatic to terrestrial habitats. 
A)  wind- pollinated plants arose first. 
B)  there was a single transition from aquatic to terrestrial habitats. 
C)  land plants have undergone a diversification since they first colonized terrestrial habitats. 
D)  there were many different transitions from aquatic to terrestrial habitats.

Question 7

Liverworts, hornworts, and mosses are grouped together as the Bryophytes. Besides not having vascular tissue, what do they all have in common?

Accepted Answer

A)  ability to desiccate and rehydrate with no ill effects 
B)  low, sprawling growth habit 
C)  antheridia and archegonia for gamete production 
D)  swimming sperm for reproduction 
E)  All of these answers apply. 
A)  ability to desiccate and rehydrate with no ill effects 
B)  low, sprawling growth habit 
C)  antheridia and archegonia for gamete production 
D)  swimming sperm for reproduction 
E)  All of these answers apply.

Question 8

Some plants changed their flowers to lighter colours, and some retained the same darker colour all season. Which plants do you expect produced more fruit?

Accepted Answer

A)  those that changed their colour to a lighter shade 
B)  those that stayed darker 
C)  They probably produced the same numbers of fruit. 
A)  those that changed their colour to a lighter shade 
B)  those that stayed darker 
C)  They probably produced the same numbers of fruit.

Question 9

What do the fuels wood, peat, coal, and ethanol have in common?

Accepted Answer

A)  They are derived from fossilized animals. 
B)  They are formed under pressure deep in the Earth. 
C)  They are formed from living or fossilized plants. 
D)  All of these answers apply. 
A)  They are derived from fossilized animals. 
B)  They are formed under pressure deep in the Earth. 
C)  They are formed from living or fossilized plants. 
D)  All of these answers apply.

Question 10

About 450 million years ago, the terrestrial landscape on Earth would have

Accepted Answer

A)  had nonvascular green plants similar to liverworts forming green mats on rock. 
B)  been completely bare rock, with little pools that contained bacteria and cyanobacteria. 
C)  looked very similar to that of today, with flowers, grasses, shrubs, and trees. 
D)  been covered with tall forests in swamps that became today's coal. 
A)  had nonvascular green plants similar to liverworts forming green mats on rock. 
B)  been completely bare rock, with little pools that contained bacteria and cyanobacteria. 
C)  looked very similar to that of today, with flowers, grasses, shrubs, and trees. 
D)  been covered with tall forests in swamps that became today's coal.

Question 11

How are gymnosperms and angiosperms similar?

Accepted Answer

A)  Plants in both groups lack vascular tissue. 
B)  Plants in both groups produce seeds and pollen. 
C)  Plants in both groups have flowers and fruits. 
D)  Plants in both groups have cones that produce pollen and seeds. 
A)  Plants in both groups lack vascular tissue. 
B)  Plants in both groups produce seeds and pollen. 
C)  Plants in both groups have flowers and fruits. 
D)  Plants in both groups have cones that produce pollen and seeds.

Question 12

A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to

Accepted Answer

A)  gymnosperms. 
B)  ferns. 
C)  mosses. 
D)  charophytes stoneworts). 
E)  flowering plants. 
A)  gymnosperms. 
B)  ferns. 
C)  mosses. 
D)  charophytes stoneworts). 
E)  flowering plants.

Question 13

Which of the following have biologists used in an attempt to understand the phylogenetic relationships among organisms?

Accepted Answer

A)  examined similarities and differences in DNA sequences of homologous genes 
B)  compared morphological features 
C)  examined the fossil record 
D)  all of the above 
A)  examined similarities and differences in DNA sequences of homologous genes 
B)  compared morphological features 
C)  examined the fossil record 
D)  all of the above

Question 14

An important fossil fuel is coal, much of which was formed when

Accepted Answer

A)  extensive forests of seedless vascular plants were buried and compressed. 
B)  ancient angiosperms got buried under volcanic ash. 
C)  northern- latitude bogs accumulated peat. 
D)  huge gymnosperms were flooded by an inland sea. 
E)  All of these answers apply. 
A)  extensive forests of seedless vascular plants were buried and compressed. 
B)  ancient angiosperms got buried under volcanic ash. 
C)  northern- latitude bogs accumulated peat. 
D)  huge gymnosperms were flooded by an inland sea. 
E)  All of these answers apply.

Exam 28: Green Algae and Land Plants

Which of the following possess stomata?

Which of these is a major trend in land plant evolution?

What is true about the genus Sphagnum?

In general, liverworts have a cuticle and pores. However, some species do not have pores. What would you predict concerning the cuticle of these species and why?

Which is the most diverse group of land plants?

Molecular phylogenies show all land plants are a monophyletic group. This suggests that

Liverworts, hornworts, and mosses are grouped together as the Bryophytes. Besides not having vascular tissue, what do they all have in common?

Some plants changed their flowers to lighter colours, and some retained the same darker colour all season. Which plants do you expect produced more fruit?

What do the fuels wood, peat, coal, and ethanol have in common?

About 450 million years ago, the terrestrial landscape on Earth would have

How are gymnosperms and angiosperms similar?

Which of the following have biologists used in an attempt to understand the phylogenetic relationships among organisms?

An important fossil fuel is coal, much of which was formed when

Biology and the Tree of Life

Water and Carbon: the Chemical Basis of Life

Protein Structure and Function

Nucleic Acids and the Rna World

An Introduction to Carbohydrates

Lipids, Membranes, and the First Cells

Inside the Cell

Energy and Enzymes

Cellular Respiration and Fermentation

Photosynthesis

Cellcell Interactions

The Cell Cycle

Meiosis

Mendel and the Gene

Dna and the Gene: Synthesis and Repair

How Genes Work

Transcription, Rna Processing, and Translation

Control of Gene Expression in Bacteria

Control of Gene Expression in Eukaryotes

The Molecular Revolution: Biotechnology and Beyond

Gene Structure and Development

Evolution by Natural Selection

Evolutionary Processes

Speciation

Phylogenies and the History of Life

Bacteria and Archaea

Protists

Fungi

An Introduction to Animals

Protostome Animals

Deuterostome Animals

Viruses

Plant Form and Function

Water and Sugar Transport in Plants

Plant Nutrition

Plant Sensory Systems, Signals, and Responses

Plant Reproduction and Development

Animal Form and Function

Water and Electrolyte Balance in Animals

Animal Nutrition

Gas Exchange and Circulation

Animal Nervous Systems

Animal Sensory Systems

Animal Movement

Chemical Signals in Animals

Animal Reproduction and Development

The Immune System in Animals

An Introduction to Ecology

Behavioural Ecology

Population Ecology

Community Ecology

Ecosystems and Global Ecology

Biodiversity and Conservation Biology

Filters