Question 1

After tilling a garden bed, you notice many more lily plants than you had before.This is because lilies grow from _______.

Accepted Answer

The answer of After tilling a garden bed, you notice...

Question 2

In flowering plants, pollen is deposited on the surface of the _______, and fertilization occurs within the _______.

Accepted Answer

A)  ovule; female gametophyte 
B)  ovule; male gametophyte 
C)  stigma; female gametophyte 
D)  stigma; male gametophyte 
E)  stigma; receptacle 
A)  ovule; female gametophyte 
B)  ovule; male gametophyte 
C)  stigma; female gametophyte 
D)  stigma; male gametophyte 
E)  stigma; receptacle

Question 3

Refer to the figure.   What function is this dog serving for the plant whose fruits are stuck to its head?

Accepted Answer

A)  Consumption 
B)  Fertilization 
C)  Pollination 
D)  Seed dispersal 
E)  Disposal 
A)  Consumption 
B)  Fertilization 
C)  Pollination 
D)  Seed dispersal 
E)  Disposal

Question 4

Which statement about commercial banana plants grown in tissue culture is false?

Accepted Answer

A)  They are seedless. 
B)  They are likely to be free of viruses. 
C)  They are clones. 
D)  They can be manipulated by recombinant DNA techniques. 
E)  They reproduce sexually. 
A)  They are seedless. 
B)  They are likely to be free of viruses. 
C)  They are clones. 
D)  They can be manipulated by recombinant DNA techniques. 
E)  They reproduce sexually.

Question 5

The phenomenon of hybrid vigor contributes greatly to the financial profits of seed companies, since seeds produced from hybrid varieties have great _______ when planted.

Accepted Answer

phenotypic

Question 6

Which structure degenerates under normal circumstances when the first sperm cell enters the embryo sac?

Accepted Answer

A)  The egg 
B)  The ovule 
C)  The style 
D)  One of the synergids 
E)  The central cell 
A)  The egg 
B)  The ovule 
C)  The style 
D)  One of the synergids 
E)  The central cell

Question 7

Refer to the figure.   A complete flower has four concentric groups of organs that are modified _______.A perfect flower has both _______ and _______.

Accepted Answer

A)  bracts; carpels; stigmas 
B)  leaves; carpels; pistils 
C)  leaves; carpels; stamens 
D)  bracts; carpels; pistils 
E)  bracts; carpels; stamens 
A)  bracts; carpels; stigmas 
B)  leaves; carpels; pistils 
C)  leaves; carpels; stamens 
D)  bracts; carpels; pistils 
E)  bracts; carpels; stamens

Question 8

What would be expected when a short-day plant, such as commercially grown poinsettia, was checked at night with the overhead lights turned on?

Accepted Answer

A)  The break in night length would prevent flowering. 
B)  The plants would flower more abundantly. 
C)  The stress would lead to reduced vigor. 
D)  The plants would flower early. 
E)  No response would be expected. 
A)  The break in night length would prevent flowering. 
B)  The plants would flower more abundantly. 
C)  The stress would lead to reduced vigor. 
D)  The plants would flower early. 
E)  No response would be expected.

Question 9

The megasporocyte divides _______ to produce four _______ cells.

Accepted Answer

A)  mitotically; diploid 
B)  meiotically; diploid 
C)  mitotically; haploid 
D)  meiotically; haploid 
E)  mitotically; triploid 
A)  mitotically; diploid 
B)  meiotically; diploid 
C)  mitotically; haploid 
D)  meiotically; haploid 
E)  mitotically; triploid

Question 10

Which is an advantage of meristem culture?

Accepted Answer

A)  Virus-free plants 
B)  More leaves per propagated plant 
C)  Variability of the plants produced 
D)  More plants produced in a shorter time frame 
E)  Minimal effort involved 
A)  Virus-free plants 
B)  More leaves per propagated plant 
C)  Variability of the plants produced 
D)  More plants produced in a shorter time frame 
E)  Minimal effort involved

Question 11

After fertilization of the egg, the integument of the megasporangium develops into the

Accepted Answer

A)  cotyledons. 
B)  embryo. 
C)  endosperm. 
D)  fruit. 
E)  seed coat. 
A)  cotyledons. 
B)  embryo. 
C)  endosperm. 
D)  fruit. 
E)  seed coat.

Question 12

Which of the following is the light receptor responsible for detecting photoperiod?

Accepted Answer

A)  Cryptochrome 
B)  Chlorophyll 
C)  Zeaxanthin 
D)  Phototropin 
E)  Phytochrome 
A)  Cryptochrome 
B)  Chlorophyll 
C)  Zeaxanthin 
D)  Phototropin 
E)  Phytochrome

Question 13

The male gametophyte in seed plants is called the _______.

Accepted Answer

The answer of The male gametophyte in seed plants is...

Question 14

An entire grove of aspens will usually change color simultaneously in the fall because all of the trees have developed from _______ that were produced _______.

Accepted Answer

A)  seeds; sexually 
B)  clones; asexually 
C)  seeds; asexually 
D)  clones; sexually 
E)  different species; in the same area 
A)  seeds; sexually 
B)  clones; asexually 
C)  seeds; asexually 
D)  clones; sexually 
E)  different species; in the same area

Question 15

Define a fruit.Which of the following are fruits: tomato, pear, potato, banana, cucumber, snow pea, peanut, sunflower seed?

Accepted Answer

A fruit is the seed and the ov

Question 16

A conifer is found with homologs of the genes that determine the location of floral parts in the flower.These are homologs of _______ genes.

Accepted Answer

A)  meristem identity 
B)  whorl 
C)  flowering time 
D)  apical meristem 
E)  floral organ identity 
A)  meristem identity 
B)  whorl 
C)  flowering time 
D)  apical meristem 
E)  floral organ identity

Question 17

Refer to the figure showing two tobacco plants.   The large plant on the right has failed to flower in summer as normal tobacco plants do.A genetic mutation caused it to become a(n) _______ plant.

Accepted Answer

A)  long-day 
B)  short-day 
C)  infertile 
D)  short-day-long-day 
E)  long-day-short-day 
A)  long-day 
B)  short-day 
C)  infertile 
D)  short-day-long-day 
E)  long-day-short-day

Question 18

Seeds of angiosperms

Accepted Answer

A)  gain water in the late stages of embryonic development. 
B)  are the structures in which embryos develop. 
C)  are enclosed within the embryo sac. 
D)  form outside the ovary. 
E)  are derived from the ovary. 
A)  gain water in the late stages of embryonic development. 
B)  are the structures in which embryos develop. 
C)  are enclosed within the embryo sac. 
D)  form outside the ovary. 
E)  are derived from the ovary.

Question 19

Which example represents a case of self-incompatibility?

Accepted Answer

A)  A bee deposits pollen on a petal or sepal. 
B)  Pollen is delivered to a flower of the wrong species. 
C)  A flower fails to produce a functional stigma. 
D)  Pollen is unable to germinate on its own stigma. 
E)  A flower produces sterile pollen. 
A)  A bee deposits pollen on a petal or sepal. 
B)  Pollen is delivered to a flower of the wrong species. 
C)  A flower fails to produce a functional stigma. 
D)  Pollen is unable to germinate on its own stigma. 
E)  A flower produces sterile pollen.

Question 20

Double fertilization in flowering plants results in the production of

Accepted Answer

A)  one diploid embryo and a diploid endosperm. 
B)  one diploid embryo and a triploid endosperm. 
C)  two diploid embryos. 
D)  two diploid embryos and a haploid endosperm. 
E)  two diploid embryos and a diploid seed coat. 
A)  one diploid embryo and a diploid endosperm. 
B)  one diploid embryo and a triploid endosperm. 
C)  two diploid embryos. 
D)  two diploid embryos and a haploid endosperm. 
E)  two diploid embryos and a diploid seed coat.

Exam 37: Reproduction in Flowering Plants

After tilling a garden bed, you notice many more lily plants than you had before.This is because lilies grow from _______.

In flowering plants, pollen is deposited on the surface of the _______, and fertilization occurs within the _______.

Refer to the figure. What function is this dog serving for the plant whose fruits are stuck to its head?

Which statement about commercial banana plants grown in tissue culture is false?

The phenomenon of hybrid vigor contributes greatly to the financial profits of seed companies, since seeds produced from hybrid varieties have great _______ when planted.

Which structure degenerates under normal circumstances when the first sperm cell enters the embryo sac?

Refer to the figure. A complete flower has four concentric groups of organs that are modified _______.A perfect flower has both _______ and _______.

What would be expected when a short-day plant, such as commercially grown poinsettia, was checked at night with the overhead lights turned on?

The megasporocyte divides _______ to produce four _______ cells.

Which is an advantage of meristem culture?

After fertilization of the egg, the integument of the megasporangium develops into the

Which of the following is the light receptor responsible for detecting photoperiod?

The male gametophyte in seed plants is called the _______.

An entire grove of aspens will usually change color simultaneously in the fall because all of the trees have developed from _______ that were produced _______.

Define a fruit.Which of the following are fruits: tomato, pear, potato, banana, cucumber, snow pea, peanut, sunflower seed?

A conifer is found with homologs of the genes that determine the location of floral parts in the flower.These are homologs of _______ genes.

Refer to the figure showing two tobacco plants. The large plant on the right has failed to flower in summer as normal tobacco plants do.A genetic mutation caused it to become a(n) _______ plant.

Seeds of angiosperms

Which example represents a case of self-incompatibility?

Double fertilization in flowering plants results in the production of

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Communication and Multicellularity

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinant Dna and Biotechnology

Mechanisms of Evolution

Reconstructing and Using Phylogenies

Speciation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

The Evolution and Diversity of Fungi

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons, Glia, and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Functions

Musculoskeletal Systems

Gas Exchange

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Salt and Water Balance and Nitrogen Excretion

Animal Behavior

The Physical Environment and Biogeography of Life

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Species Interactions

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A Changing Biosphere

Filters

In flowering plants, pollen is deposited on the surface of the _, and fertilization occurs within the _.

Refer to the figure. A complete flower has four concentric groups of organs that are modified ___.A perfect flower has both _ and _____.

The megasporocyte divides _ to produce four _ cells.

An entire grove of aspens will usually change color simultaneously in the fall because all of the trees have developed from _ that were produced _.