Question 1

The three key reproductive adaptations of seed plant evolution include

Accepted Answer

A) dominant sporophyte, cones, ovules. 
B) dominant gametophyte, spores, seeds. 
C) dominant sporophyte, seeds, pollen. 
D) sporophylls, strobili, cones. 
E) homospory, spores, cones. 
A) dominant sporophyte, cones, ovules. 
B) dominant gametophyte, spores, seeds. 
C) dominant sporophyte, seeds, pollen. 
D) sporophylls, strobili, cones. 
E) homospory, spores, cones.

Question 2

Use the following information to answer the questions below.
The following questions refer to the generalized life cycle for land plants shown in the figure below. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents either meiosis, mitosis, or fertilization.
  
-The embryo sac of an angiosperm flower is best represented by which number in the above figure?

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 9 
E) 11 
A) 1 
B) 3 
C) 7 
D) 9 
E) 11

Question 3

Given the differences between angiosperms and gymnosperms in the development of the integument(s), which of these statements is the most logical consequence?

Accepted Answer

A) The seed coats of angiosperms should be relatively thicker than those of gymnosperms. 
B) It should be much more difficult for pollen tubes to enter angiosperm ovules than for them to enter gymnosperm ovules. 
C) The female gametophytes of angiosperms should not be as well protected from environmental stress as should those of gymnosperms. 
D) As a direct consequence of such differences, angiosperms should have fruit. 
E) Angiosperm seeds should be more susceptible to desiccation. 
A) The seed coats of angiosperms should be relatively thicker than those of gymnosperms. 
B) It should be much more difficult for pollen tubes to enter angiosperm ovules than for them to enter gymnosperm ovules. 
C) The female gametophytes of angiosperms should not be as well protected from environmental stress as should those of gymnosperms. 
D) As a direct consequence of such differences, angiosperms should have fruit. 
E) Angiosperm seeds should be more susceptible to desiccation.

Question 4

Generally, wind pollination is most likely to be found in seed plants that grow

Accepted Answer

A) close to the ground. 
B) in dense, single-species stands. 
C) in relative isolation from other members of the same species. 
D) along coastlines where prevailing winds blow from the land out to sea. 
E) in well-drained soils. 
A) close to the ground. 
B) in dense, single-species stands. 
C) in relative isolation from other members of the same species. 
D) along coastlines where prevailing winds blow from the land out to sea. 
E) in well-drained soils.

Question 5

Use the following information to answer the questions below.
Harold and Kumar are pre-med and pre-pharmacy students, respectively. They complain to their biology professor that they should not have to study about plants because plants have little relevance to their chosen professions.
-It would be best for these students, and for society in the long run, if their biology professor responds by

Accepted Answer

A) acknowledging their concern, and promising not to hold them responsible for any material on plants. 
B) chiding them for their careerist attitudes, and advising them to whine less and study more. 
C) offering extra credit for a research paper on plants that harm humans, as well as plants that heal humans. 
D) lowering the stress level by providing them with the relevant test questions from the upcoming test so they can research the answers ahead of time. 
A) acknowledging their concern, and promising not to hold them responsible for any material on plants. 
B) chiding them for their careerist attitudes, and advising them to whine less and study more. 
C) offering extra credit for a research paper on plants that harm humans, as well as plants that heal humans. 
D) lowering the stress level by providing them with the relevant test questions from the upcoming test so they can research the answers ahead of time.

Question 6

Orchid bees are to Brazil nut trees as ________ are to pine trees.

Accepted Answer

A) breezes 
B) rain droplets 
C) seed-eating birds 
D) squirrels 
E) both seed-eating birds and squirrels 
A) breezes 
B) rain droplets 
C) seed-eating birds 
D) squirrels 
E) both seed-eating birds and squirrels

Question 7

Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs? 1. sporophyte embryo
2. female gametophyte
3. egg cell
4. megaspore

Accepted Answer

A) 4 → 3 → 2 → 1 
B) 4 → 2 → 3 → 1 
C) 4 → 1 → 2 → 3 
D) 1 → 4 → 3 → 2 
E) 1 → 4 → 2 → 3 
A) 4 → 3 → 2 → 1 
B) 4 → 2 → 3 → 1 
C) 4 → 1 → 2 → 3 
D) 1 → 4 → 3 → 2 
E) 1 → 4 → 2 → 3

Question 8

The generative cell of male angiosperm gametophytes is haploid. This cell divides to produce two haploid sperm cells. What type of cell division does the generative cell undergo to produce these sperm cells?

Accepted Answer

A) binary fission 
B) mitosis 
C) meiosis 
D) mitosis without subsequent cytokinesis 
E) meiosis without subsequent cytokinesis 
A) binary fission 
B) mitosis 
C) meiosis 
D) mitosis without subsequent cytokinesis 
E) meiosis without subsequent cytokinesis

Question 9

Which of the following is true concerning flowering plants?

Accepted Answer

A) The flower includes sporophyte tissue. 
B) The gametophyte generation is dominant. 
C) The gametophyte generation is what we see when looking at a large plant. 
D) The sporophyte generation is not photosynthetic. 
E) The sporophyte generation consists of relatively few cells within the flower. 
A) The flower includes sporophyte tissue. 
B) The gametophyte generation is dominant. 
C) The gametophyte generation is what we see when looking at a large plant. 
D) The sporophyte generation is not photosynthetic. 
E) The sporophyte generation consists of relatively few cells within the flower.

Question 10

Which of the following statements correctly describes a portion of the pine life cycle?

Accepted Answer

A) Female gametophytes use mitosis to produce eggs. 
B) Seeds are produced in pollen-producing cones. 
C) Pollen grains contain female gametophytes. 
D) A pollen tube slowly digests its way through the triploid endosperm. 
A) Female gametophytes use mitosis to produce eggs. 
B) Seeds are produced in pollen-producing cones. 
C) Pollen grains contain female gametophytes. 
D) A pollen tube slowly digests its way through the triploid endosperm.

Exam 30: Plant Diversity Ii: the Evolution of Seed Plants

The three key reproductive adaptations of seed plant evolution include

Given the differences between angiosperms and gymnosperms in the development of the integument(s), which of these statements is the most logical consequence?

Generally, wind pollination is most likely to be found in seed plants that grow

Orchid bees are to Brazil nut trees as ________ are to pine trees.

Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs? 1. sporophyte embryo 2. female gametophyte 3. egg cell 4. megaspore

The generative cell of male angiosperm gametophytes is haploid. This cell divides to produce two haploid sperm cells. What type of cell division does the generative cell undergo to produce these sperm cells?

Which of the following is true concerning flowering plants?

Which of the following statements correctly describes a portion of the pine life cycle?

Introduction: Evolution and Themes of Biology

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Dna Tools and Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signalling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behaviour

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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