Question 1

Based on studies of plant evolution and anatomy,which flower part is least likely to have evolved from a leaf?

Accepted Answer

A) stamen 
B) carpel 
C) petals 
D) sepals 
E) receptacle 
A) stamen 
B) carpel 
C) petals 
D) sepals 
E) receptacle

Question 2

Which of the following types of plants are incapable of self-pollination?

Accepted Answer

A) dioecious 
B) monoecious 
C) complete 
D) wind-pollinated 
E) insect-pollinated 
A) dioecious 
B) monoecious 
C) complete 
D) wind-pollinated 
E) insect-pollinated

Question 3

Garden beans and many other eudicots have a hooked hypocotyl during germination.Which of the following is true concerning hypocotyls and/or the hypocotyl hook?

Accepted Answer

A) It is the first structure to emerge from a eudicot seed. 
B) It pushes the cotyledons up through the soil. 
C) It straightens when exposed to sufficient water. 
D) It is stunted in an etiolated seedling. 
E) It emerges after the successful establishment of the radicle. 
A) It is the first structure to emerge from a eudicot seed. 
B) It pushes the cotyledons up through the soil. 
C) It straightens when exposed to sufficient water. 
D) It is stunted in an etiolated seedling. 
E) It emerges after the successful establishment of the radicle.

Question 4

All of the following are primary functions of flowers except

Accepted Answer

A) pollen production. 
B) photosynthesis. 
C) meiosis. 
D) egg production. 
E) sexual reproduction. 
A) pollen production. 
B) photosynthesis. 
C) meiosis. 
D) egg production. 
E) sexual reproduction.

Question 5

A small flower with green petals is most likely

Accepted Answer

A) bee-pollinated. 
B) bird-pollinated. 
C) bat-pollinated. 
D) wind-pollinated. 
E) moth-pollinated. 
A) bee-pollinated. 
B) bird-pollinated. 
C) bat-pollinated. 
D) wind-pollinated. 
E) moth-pollinated.

Question 6

"Golden Rice"

Accepted Answer

A) is resistant to various herbicides, making it practical to weed rice fields with those herbicides. 
B) is resistant to a virus that commonly attacks rice fields. 
C) includes bacterial genes that produce a toxin that reduces damage from insect pests. 
D) produces larger, golden grains that increase crop yields. 
E) contains daffodil genes that increase vitamin A content. 
A) is resistant to various herbicides, making it practical to weed rice fields with those herbicides. 
B) is resistant to a virus that commonly attacks rice fields. 
C) includes bacterial genes that produce a toxin that reduces damage from insect pests. 
D) produces larger, golden grains that increase crop yields. 
E) contains daffodil genes that increase vitamin A content.

Question 7

Which of the following types of plants are incapable of self-pollination?

Accepted Answer

A) dioecious 
B) monoecious 
C) wind-pollinated 
D) insect-pollinated 
A) dioecious 
B) monoecious 
C) wind-pollinated 
D) insect-pollinated

Question 8

A transgenic plant is one that

Accepted Answer

A) contains a graft from another individual of the same species. 
B) contains genes from another species. 
C) has had genes from another individual of the same species inserted into its genome. 
D) has been selected to withstand severe environmental stresses. 
E) has had certain traits modified by artificial selection for many generations. 
A) contains a graft from another individual of the same species. 
B) contains genes from another species. 
C) has had genes from another individual of the same species inserted into its genome. 
D) has been selected to withstand severe environmental stresses. 
E) has had certain traits modified by artificial selection for many generations.

Question 9

A fruit is

Accepted Answer

A) a mature ovary. 
B) a mature ovule. 
C) a seed plus its integuments. 
D) a fused carpel. 
E) an enlarged embryo sac. 
A) a mature ovary. 
B) a mature ovule. 
C) a seed plus its integuments. 
D) a fused carpel. 
E) an enlarged embryo sac.

Question 10

All of the following floral parts are involved in pollination or fertilization except the

Accepted Answer

A) stamen. 
B) carpel. 
C) petals. 
D) sepals. 
E) receptacle. 
A) stamen. 
B) carpel. 
C) petals. 
D) sepals. 
E) receptacle.

Question 11

As a flower develops,which transition is most likely to occur?

Accepted Answer

A) The microspores become pollen grains. 
B) The ovule becomes a fruit. 
C) The petals are retained. 
D) The vegetative nucleus becomes a sperm nucleus. 
E) The ovules become ovaries. 
A) The microspores become pollen grains. 
B) The ovule becomes a fruit. 
C) The petals are retained. 
D) The vegetative nucleus becomes a sperm nucleus. 
E) The ovules become ovaries.

Question 12

Unripe fruits protect seeds from predation and early germination.What is the major function of ripe fruits?

Accepted Answer

A) attracting pollinators 
B) dispersing seed 
C) releasing nutrients to seeds 
D) keeping the seed hydrated before germination 
A) attracting pollinators 
B) dispersing seed 
C) releasing nutrients to seeds 
D) keeping the seed hydrated before germination

Question 13

When comparing the mature seeds of a pine tree to an apple tree,which of the following is a correct statement?

Accepted Answer

A) The developmental sequences postfertilization are identical. 
B) Both contain triploid tissue. 
C) The nutritive tissues are both haploid. 
D) Only the apple seed has a diploid seed coat. 
E) Both contain haploid and diploid tissues. 
A) The developmental sequences postfertilization are identical. 
B) Both contain triploid tissue. 
C) The nutritive tissues are both haploid. 
D) Only the apple seed has a diploid seed coat. 
E) Both contain haploid and diploid tissues.

Question 14

The following questions refer to the diagram of an embryo sac of an angiosperm shown below.
  
-Based on the above figure,which cell(s),after fertilization,give(s)rise to the embryo plant?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 15

Which of the following statements reflects a disadvantage of using biofuels?

Accepted Answer

A) Land used to grow crops for biofuels cannot be used to grow crops for human consumption. 
B) Biofuel would potentially reduce carbon dioxide emissions. 
C) Biofuels create a carbon-neutral cycle. 
D) Use of biofuels may slow down global warming. 
E) There are no disadvantages. 
A) Land used to grow crops for biofuels cannot be used to grow crops for human consumption. 
B) Biofuel would potentially reduce carbon dioxide emissions. 
C) Biofuels create a carbon-neutral cycle. 
D) Use of biofuels may slow down global warming. 
E) There are no disadvantages.

Question 16

Meiosis occurs within all of the following flower parts except the

Accepted Answer

A) ovule. 
B) style. 
C) megasporangium. 
D) anther. 
E) ovary. 
A) ovule. 
B) style. 
C) megasporangium. 
D) anther. 
E) ovary.

Question 17

Which of the following is true in plants?

Accepted Answer

A) Mitosis occurs in gametophytes to produce gametes. 
B) Meiosis occurs in sporophytes to produce spores. 
C) The gametophyte is within the flower in angiosperms. 
D) Mitosis occurs in gametophytes to produce gametes, and meiosis occurs in sporophytes to produce spores. 
E) Mitosis occurs in gametophytes to produce gametes, meiosis occurs in sporophytes to produce spores, and the gametophyte is within the flower in angiosperms. 
A) Mitosis occurs in gametophytes to produce gametes. 
B) Meiosis occurs in sporophytes to produce spores. 
C) The gametophyte is within the flower in angiosperms. 
D) Mitosis occurs in gametophytes to produce gametes, and meiosis occurs in sporophytes to produce spores. 
E) Mitosis occurs in gametophytes to produce gametes, meiosis occurs in sporophytes to produce spores, and the gametophyte is within the flower in angiosperms.

Question 18

Which of the following would be considered a multiple fruit?

Accepted Answer

A) apple 
B) strawberry 
C) raspberry 
D) pineapple 
E) corn on the cob 
A) apple 
B) strawberry 
C) raspberry 
D) pineapple 
E) corn on the cob

Question 19

Which of the following "vegetables" is botanically a fruit?

Accepted Answer

A) potato 
B) lettuce 
C) radish 
D) celery 
E) green beans 
A) potato 
B) lettuce 
C) radish 
D) celery 
E) green beans

Question 20

Which of the following statements is true of protoplast fusion?

Accepted Answer

A) It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B) It can be used to form new plant varieties by combining genomes from two plants. 
C) It is used to develop gene banks to preserve genetic variability. 
D) It is the method of test-tube cloning that produces whole plants from callus. 
E) It occurs within a callus that is developing in tissue culture. 
A) It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B) It can be used to form new plant varieties by combining genomes from two plants. 
C) It is used to develop gene banks to preserve genetic variability. 
D) It is the method of test-tube cloning that produces whole plants from callus. 
E) It occurs within a callus that is developing in tissue culture.

Exam 38: Angiosperm Reproduction and Biotechnology

Based on studies of plant evolution and anatomy,which flower part is least likely to have evolved from a leaf?

Which of the following types of plants are incapable of self-pollination?

Garden beans and many other eudicots have a hooked hypocotyl during germination.Which of the following is true concerning hypocotyls and/or the hypocotyl hook?

All of the following are primary functions of flowers except

A small flower with green petals is most likely

"Golden Rice"

Which of the following types of plants are incapable of self-pollination?

A transgenic plant is one that

A fruit is

All of the following floral parts are involved in pollination or fertilization except the

As a flower develops,which transition is most likely to occur?

Unripe fruits protect seeds from predation and early germination.What is the major function of ripe fruits?

When comparing the mature seeds of a pine tree to an apple tree,which of the following is a correct statement?

The following questions refer to the diagram of an embryo sac of an angiosperm shown below. -Based on the above figure,which cell(s),after fertilization,give(s)rise to the embryo plant?

Which of the following statements reflects a disadvantage of using biofuels?

Meiosis occurs within all of the following flower parts except the

Which of the following is true in plants?

Which of the following would be considered a multiple fruit?

Which of the following "vegetables" is botanically a fruit?

Which of the following statements is true of protoplast fusion?

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

Plant Diversity II: The Evolution of Seed Plants

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

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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