Question 1

In flowering plants, pollen is released from the

Accepted Answer

A)  anther. 
B)  stigma. 
C)  carpel. 
D)  filament. 
E)  pollen tube. 
A)  anther. 
B)  stigma. 
C)  carpel. 
D)  filament. 
E)  pollen tube.

Question 2

One disadvantage of monoculture is that

Accepted Answer

A)  the whole crop ripens at the same time. 
B)  genetic uniformity makes a crop more vulnerable to a new pest or disease. 
C)  it predominantly uses vegetative propagation. 
D)  most grain crops self-pollinate. 
E)  it allows for the cultivation of large areas of land. 
A)  the whole crop ripens at the same time. 
B)  genetic uniformity makes a crop more vulnerable to a new pest or disease. 
C)  it predominantly uses vegetative propagation. 
D)  most grain crops self-pollinate. 
E)  it allows for the cultivation of large areas of land.

Question 3

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

Accepted Answer

A)  sporophyte → meiosis → gametophyte → gametes → fertilization → diploid zygote 
B)  sporophyte → mitosis → gametophyte → meiosis → sporophyte 
C)  haploid gametophyte → gametes → meiosis → fertilization → diploid sporophyte 
D)  sporophyte → spores → meiosis → gametophyte → gametes 
E)  haploid sporophyte → spores → fertilization → diploid gametophyte 
A)  sporophyte → meiosis → gametophyte → gametes → fertilization → diploid zygote 
B)  sporophyte → mitosis → gametophyte → meiosis → sporophyte 
C)  haploid gametophyte → gametes → meiosis → fertilization → diploid sporophyte 
D)  sporophyte → spores → meiosis → gametophyte → gametes 
E)  haploid sporophyte → spores → fertilization → diploid gametophyte

Question 4

Regardless of where in the world a vineyard is located, in order for the winery to produce a Burgundy, it must use varietal grapes that originated in Burgundy, France. The most effective way for a new California grower to plant a vineyard to produce Burgundy is to

Accepted Answer

A)  plant seeds obtained from French varietal Burgundy grapes. 
B)  transplant varietal Burgundy plants from France. 
C)  acquire a tissue culture of varietal Burgundy grapes from France. 
D)  cross French Burgundy grapes with native American grapes. 
E)  graft varietal Burgundy grape scions onto native (Californian) root stocks. 
A)  plant seeds obtained from French varietal Burgundy grapes. 
B)  transplant varietal Burgundy plants from France. 
C)  acquire a tissue culture of varietal Burgundy grapes from France. 
D)  cross French Burgundy grapes with native American grapes. 
E)  graft varietal Burgundy grape scions onto native (Californian) root stocks.

Question 5

Which of the following is the correct sequence of events in a pollen sac?

Accepted Answer

A)  sporangia → meiosis → two haploid cells → meiosis → two pollen grains per cell 
B)  pollen grain → meiosis → two generative cells → two tube cells per pollen grain 
C)  two haploid cells → meiosis → generative cell → tube cell-fertilization → pollen grain 
D)  pollen grain → mitosis → microspores → meiosis → generative cell plus tube cell 
E)  microsporocyte → meiosis → microspores → mitosis → two haploid cells per pollen grain 
A)  sporangia → meiosis → two haploid cells → meiosis → two pollen grains per cell 
B)  pollen grain → meiosis → two generative cells → two tube cells per pollen grain 
C)  two haploid cells → meiosis → generative cell → tube cell-fertilization → pollen grain 
D)  pollen grain → mitosis → microspores → meiosis → generative cell plus tube cell 
E)  microsporocyte → meiosis → microspores → mitosis → two haploid cells per pollen grain

Question 6

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Accepted Answer

A)  increased success of progeny in a stable environment. 
B)  increased agricultural productivity in a rapidly changing environment. 
C)  maintenance and expansion of a large genome. 
D)  production of numerous progeny. 
E)  increased ability to adapt to a change in the environment. 
A)  increased success of progeny in a stable environment. 
B)  increased agricultural productivity in a rapidly changing environment. 
C)  maintenance and expansion of a large genome. 
D)  production of numerous progeny. 
E)  increased ability to adapt to a change in the environment.

Exam 38: Angiosperm Reproduction and Biotechnology

In flowering plants, pollen is released from the

One disadvantage of monoculture is that

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

Regardless of where in the world a vineyard is located, in order for the winery to produce a Burgundy, it must use varietal grapes that originated in Burgundy, France. The most effective way for a new California grower to plant a vineyard to produce Burgundy is to

Which of the following is the correct sequence of events in a pollen sac?

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Introduction: Themes in the Study of Life

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

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 Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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