Question 1

What is the first organ to emerge from a germinating eudicot seed?

Accepted Answer

A) plumule 
B) hypocotyl 
C) epicotyl 
D) radicle 
E) shoot 
A) plumule 
B) hypocotyl 
C) epicotyl 
D) radicle 
E) shoot

Question 2

What is the first step in the germination of a seed?

Accepted Answer

A) pollination 
B) fertilization 
C) imbibition of water 
D) hydrolysis of starch and other food reserves 
E) emergence of the radicle 
A) pollination 
B) fertilization 
C) imbibition of water 
D) hydrolysis of starch and other food reserves 
E) emergence of the radicle

Question 3

For this pair of items, choose the option that best describes their relationship. (A)The ploidy of the angiosperm seed endosperm
(B)The ploidy of the angiosperm seed embryo

Accepted Answer

A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) . 
A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) .

Question 4

A fruit is a(an)

Accepted Answer

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

Question 5

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

Accepted Answer

A) petals-sepals-stamens-carpels 
B) sepals-stamens-petals-carpels 
C) spores-gametes-zygote-embryo 
D) sepals-petals-stamens-carpels 
E) male gametophyte-female gametophyte-sepals-petals 
A) petals-sepals-stamens-carpels 
B) sepals-stamens-petals-carpels 
C) spores-gametes-zygote-embryo 
D) sepals-petals-stamens-carpels 
E) male gametophyte-female gametophyte-sepals-petals

Question 6

For this pair of items, choose the option that best describes their relationship. (A)The number of cells within the embryo sac
(B)The number of nuclei within the embryo sac

Accepted Answer

A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) . 
A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) .

Question 7

Some dioecious species have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the endosperm nuclei and embryos?

Accepted Answer

A) embryo X and endosperm XX or embryo Y and endosperm XY 
B) embryo XX and endosperm XX or embryo XY and endosperm XY 
C) embryo XX and endosperm XXX or embryo XY and endosperm XYY 
D) embryo XX and endosperm XXX or embryo XY and endosperm XXY 
E) embryo XY and endosperm XXX or embryo XX and endosperm XXY 
A) embryo X and endosperm XX or embryo Y and endosperm XY 
B) embryo XX and endosperm XX or embryo XY and endosperm XY 
C) embryo XX and endosperm XXX or embryo XY and endosperm XYY 
D) embryo XX and endosperm XXX or embryo XY and endosperm XXY 
E) embryo XY and endosperm XXX or embryo XX and endosperm XXY

Question 8

Which of the following statements about fruits is False?

Accepted Answer

A) Fruits form from microsporangia and integuments. 
B) All normal fruits have seeds inside them. 
C) Green beans, corn, tomatoes, and wheat are all fruits. 
D) Fruits aid in the dispersal of seeds. 
E) During fruit development, the wall of the ovary becomes the pericarp. 
A) Fruits form from microsporangia and integuments. 
B) All normal fruits have seeds inside them. 
C) Green beans, corn, tomatoes, and wheat are all fruits. 
D) Fruits aid in the dispersal of seeds. 
E) During fruit development, the wall of the ovary becomes the pericarp.

Question 9

Where and by which process are sperm cells formed in plants?

Accepted Answer

A) meiosis in pollen grains 
B) meiosis in anthers 
C) mitosis in male gametophyte pollen tube. 
D) mitosis in the micropyle 
E) mitosis in the embryo sac 
A) meiosis in pollen grains 
B) meiosis in anthers 
C) mitosis in male gametophyte pollen tube. 
D) mitosis in the micropyle 
E) mitosis in the embryo sac

Question 10

Which of the following is not an advantage of an extended gametophyte generation in plants?

Accepted Answer

A) Male gametophytes can travel more easily within spore walls. 
B) The protection of female gametophytes within ovules keeps them from drying out. 
C) The lack of need for swimming sperm makes life on land easier. 
D) Female gametophytes develop egg cells, which are fertilized within an ovule that will become a seed. 
E) Endosperm forms a protective seed coat. 
A) Male gametophytes can travel more easily within spore walls. 
B) The protection of female gametophytes within ovules keeps them from drying out. 
C) The lack of need for swimming sperm makes life on land easier. 
D) Female gametophytes develop egg cells, which are fertilized within an ovule that will become a seed. 
E) Endosperm forms a protective seed coat.

Question 11

The following questions refer to the diagram of an embryo sac of an angiosperm.
   
Figure 38.1
-Which cell(s), after fertilization, give(s)rise to the embryo plant?

Accepted Answer

The answer of The following questions refer to the diagram...

Question 12

Which of the following types of plants is not able to self-pollinate?

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 13

What is typically the result of double fertilization in angiosperms?

Accepted Answer

A) The endosperm develops into a diploid nutrient tissue. 
B) A triploid zygote is formed. 
C) Both a diploid embryo and triploid endosperm are formed. 
D) Two embryos develop in every seed. 
E) The fertilized antipodal cells develop into the seed coat. 
A) The endosperm develops into a diploid nutrient tissue. 
B) A triploid zygote is formed. 
C) Both a diploid embryo and triploid endosperm are formed. 
D) Two embryos develop in every seed. 
E) The fertilized antipodal cells develop into the seed coat.

Question 14

What effects would occur in a mutant of Arabidopsis that cannot synthesize GABA within its flowers?

Accepted Answer

A) Pollen tube growth would not be directed toward the egg, and fertilization would not occur. 
B) The seeds from the flowers would be unable to break dormancy. 
C) The pollen grain would not form a pollen tube due to incompatibility with the pollen tube. 
D) The length of the style would be increased to the point where the growing pollen tube would be unable to reach the synergids. 
A) Pollen tube growth would not be directed toward the egg, and fertilization would not occur. 
B) The seeds from the flowers would be unable to break dormancy. 
C) The pollen grain would not form a pollen tube due to incompatibility with the pollen tube. 
D) The length of the style would be increased to the point where the growing pollen tube would be unable to reach the synergids.

Question 15

All of the following floral parts are directly 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 16

Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?

Accepted Answer

A) meiosis-fertilization-ovulation-germination 
B) fertilization-meiosis-nuclear fusion-formation of embryo and endosperm 
C) meiosis-pollination-nuclear fusion-formation of embryo and endosperm 
D) growth of pollen tube-pollination-germination-fertilization 
E) meiosis-mitosis-nuclear fusion-pollen 
A) meiosis-fertilization-ovulation-germination 
B) fertilization-meiosis-nuclear fusion-formation of embryo and endosperm 
C) meiosis-pollination-nuclear fusion-formation of embryo and endosperm 
D) growth of pollen tube-pollination-germination-fertilization 
E) meiosis-mitosis-nuclear fusion-pollen

Question 17

Genetic incompatibility does not affect the

Accepted Answer

A) attraction of a suitable insect pollinator. 
B) germination of the pollen on the stigma. 
C) growth of the pollen tube in the style. 
D) membrane permeability of cells. 
E) different individuals of the same species. 
A) attraction of a suitable insect pollinator. 
B) germination of the pollen on the stigma. 
C) growth of the pollen tube in the style. 
D) membrane permeability of cells. 
E) different individuals of the same species.

Question 18

Which of the following statements about a seed produced by apomixis is incorrect?

Accepted Answer

A) The seed coat is made of diploid cells derived from the ovule of a flower. 
B) The embryo consists of diploid cells derived from fertilization of a haploid egg by a haploid sperm. 
C) Cotyledons are the primary food storage tissue of the embryo. 
D) A diploid embryo is contained within the seed. 
E) The embryo of the seed is a clone. 
A) The seed coat is made of diploid cells derived from the ovule of a flower. 
B) The embryo consists of diploid cells derived from fertilization of a haploid egg by a haploid sperm. 
C) Cotyledons are the primary food storage tissue of the embryo. 
D) A diploid embryo is contained within the seed. 
E) The embryo of the seed is a clone.

Question 19

Carpellate flowers

Accepted Answer

A) are perfect. 
B) are complete. 
C) produce pollen. 
D) are found only on dioecious plants. 
E) develop into fruits. 
A) are perfect. 
B) are complete. 
C) produce pollen. 
D) are found only on dioecious plants. 
E) develop into fruits.

Question 20

Which of the following is the male gametophyte of a flowering plant?

Accepted Answer

A) ovule 
B) microsporocyte 
C) pollen grain 
D) embryo sac 
E) stamen 
A) ovule 
B) microsporocyte 
C) pollen grain 
D) embryo sac 
E) stamen

Exam 38: Angiosperm Reproduction and Biotechnology

What is the first organ to emerge from a germinating eudicot seed?

What is the first step in the germination of a seed?

For this pair of items, choose the option that best describes their relationship. (A)The ploidy of the angiosperm seed endosperm (B)The ploidy of the angiosperm seed embryo

A fruit is a(an)

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

For this pair of items, choose the option that best describes their relationship. (A)The number of cells within the embryo sac (B)The number of nuclei within the embryo sac

Some dioecious species have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the endosperm nuclei and embryos?

Which of the following statements about fruits is False?

Where and by which process are sperm cells formed in plants?

Which of the following is not an advantage of an extended gametophyte generation in plants?

The following questions refer to the diagram of an embryo sac of an angiosperm. Figure 38.1 -Which cell(s), after fertilization, give(s)rise to the embryo plant?

Which of the following types of plants is not able to self-pollinate?

What is typically the result of double fertilization in angiosperms?

What effects would occur in a mutant of Arabidopsis that cannot synthesize GABA within its flowers?

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

Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?

Genetic incompatibility does not affect the

Which of the following statements about a seed produced by apomixis is incorrect?

Carpellate flowers

Which of the following is the male gametophyte of a flowering plant?

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and the Fitness of the Environment

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: Harvesting Chemical Energy

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

Control 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 Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure, Growth, and Development

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

Conservation Biology and Restoration Ecology

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