Question 1

The typical conifer growth pattern of narrow tops and broad bases is strongly associated with the action of

Accepted Answer

A) abscisic acid. 
B) gibberellin. 
C) auxin. 
D) ethylene. 
A) abscisic acid. 
B) gibberellin. 
C) auxin. 
D) ethylene.

Question 2

Double fertilization results in the formation of a(n)____________________ and a(n)____________________.

Accepted Answer

The answer of Double fertilization results in the formation of...

Question 3

When a plant germinates from a seed it has

Accepted Answer

A) two root apical meristems and two shoot apical meristems. 
B) one root apical meristem and one shoot apical meristem. 
C) two root apical meristems and four shoot apical meristems. 
D) four root apical meristems and two shoot apical meristems. 
A) two root apical meristems and two shoot apical meristems. 
B) one root apical meristem and one shoot apical meristem. 
C) two root apical meristems and four shoot apical meristems. 
D) four root apical meristems and two shoot apical meristems.

Question 4

Which of the layers shown in the diagram below of a tree trunk were most recently produced by the vascular cambium?

Accepted Answer

A) A and B 
B) A and C 
C) B and C 
D) C and D 
A) A and B 
B) A and C 
C) B and C 
D) C and D

Question 5

The figure below illustrates the results of a laboratory experiment that simulates potted irises being exposed to differing lengths of darkness.  
How would flowering in these irises be affected by disrupting the length of their light exposure?

Accepted Answer

A) It would stimulate flowering. 
B) It would suppress flowering. 
C) It would stimulate branching and increase total flower production. 
D) There would be no effect because irises use the length of darkness to coordinate flowering. 
A) It would stimulate flowering. 
B) It would suppress flowering. 
C) It would stimulate branching and increase total flower production. 
D) There would be no effect because irises use the length of darkness to coordinate flowering.

Question 6

Groups of perpetually young, undifferentiated cells from which new cells arise are called

Accepted Answer

A) seeds. 
B) meristems. 
C) root caps. 
D) phloem. 
A) seeds. 
B) meristems. 
C) root caps. 
D) phloem.

Question 7

An apical meristem produces lateral roots.

Accepted Answer

A) True 
 B)False

Question 8

The line through the center of the diagram below separates the haploid and diploid life stages of the plant life cycle. The part of the cycle that exists below the line consists of plants that are ____________________.

Accepted Answer

The answer of The line through the center of the...

Question 9

In the alternation of generations, plants have a diploid life stage that produces haploid spores through the process of mitosis.

Accepted Answer

A) True 
 B)False

Question 10

Endosperm is the origin of the sperm that fertilize the embryo.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following components is correctly matched with its location?

Accepted Answer

A) A carpel is part of a style. 
B) A sepal is part of a stamen. 
C) A stigma is part of a carpel. 
D) An anther is part of a stigma. 
A) A carpel is part of a style. 
B) A sepal is part of a stamen. 
C) A stigma is part of a carpel. 
D) An anther is part of a stigma.

Question 12

Which of the following animals would be least likely to disperse seeds?

Accepted Answer

A) deer 
B) mice 
C) honeybees 
D) humans 
A) deer 
B) mice 
C) honeybees 
D) humans

Question 13

The structure labeled A in this figure is usually designed to attract pollinators.

Accepted Answer

A) True 
 B)False

Question 14

Increases in length due to cell divisions at apical meristems are called ____________________ growth.

Accepted Answer

The answer of Increases in length due to cell divisions...

Question 15

The flower is an organ found on the _____ of a flowering plant.

Accepted Answer

A) cotyledon 
B) gametophyte 
C) sporophyte 
D) cambium 
A) cotyledon 
B) gametophyte 
C) sporophyte 
D) cambium

Question 16

The structure indicated by the arrow in this diagram of a fruit developed from the

Accepted Answer

A) ovule. 
B) ovary. 
C) pollen grain. 
D) anther. 
A) ovule. 
B) ovary. 
C) pollen grain. 
D) anther.

Question 17

At the tip of a filament within a flower you would find a(n)

Accepted Answer

A) petal. 
B) anther. 
C) carpel. 
D) ovary. 
A) petal. 
B) anther. 
C) carpel. 
D) ovary.

Question 18

Why are the structures indicated by the arrow in the diagram below of a seedling somewhat shriveled at this stage in germination?

Accepted Answer

A) These structures die as a result of exposure to sunlight when the seedling breaks the surface of the ground. 
B) These structures formed the protective coat of the seed and are no longer needed. 
C) These structures originally held food for the embryo, which is mostly used up by this stage of germination. 
D) The cells of the meristem moved out of these structures as the seedling began primary growth. 
A) These structures die as a result of exposure to sunlight when the seedling breaks the surface of the ground. 
B) These structures formed the protective coat of the seed and are no longer needed. 
C) These structures originally held food for the embryo, which is mostly used up by this stage of germination. 
D) The cells of the meristem moved out of these structures as the seedling began primary growth.

Question 19

Which of the following is not a concern about the assisted migration of trees to Canada?

Accepted Answer

A) Fungi that are essential to the success of the trees may not be present in their new location. 
B) Moving forests northward might speed global climate change. 
C) Pollinators for that species of tree may not be able to migrate northward. 
D) Species moved by assisted migration may not be able to spread through asexual reproduction. 
A) Fungi that are essential to the success of the trees may not be present in their new location. 
B) Moving forests northward might speed global climate change. 
C) Pollinators for that species of tree may not be able to migrate northward. 
D) Species moved by assisted migration may not be able to spread through asexual reproduction.

Question 20

Which of the labeled structures in the figure below is where the embryo sac would be found?

Accepted Answer

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

Exam 36: Plant Growth and Reproduction

The typical conifer growth pattern of narrow tops and broad bases is strongly associated with the action of

Double fertilization results in the formation of a(n)____________________ and a(n)____________________.

When a plant germinates from a seed it has

Which of the layers shown in the diagram below of a tree trunk were most recently produced by the vascular cambium?

The figure below illustrates the results of a laboratory experiment that simulates potted irises being exposed to differing lengths of darkness. How would flowering in these irises be affected by disrupting the length of their light exposure?

Groups of perpetually young, undifferentiated cells from which new cells arise are called

An apical meristem produces lateral roots.

The line through the center of the diagram below separates the haploid and diploid life stages of the plant life cycle. The part of the cycle that exists below the line consists of plants that are ____________________.

In the alternation of generations, plants have a diploid life stage that produces haploid spores through the process of mitosis.

Endosperm is the origin of the sperm that fertilize the embryo.

Which of the following components is correctly matched with its location?

Which of the following animals would be least likely to disperse seeds?

The structure labeled A in this figure is usually designed to attract pollinators.

Increases in length due to cell divisions at apical meristems are called ____________________ growth.

The flower is an organ found on the _____ of a flowering plant.

The structure indicated by the arrow in this diagram of a fruit developed from the

At the tip of a filament within a flower you would find a(n)

Why are the structures indicated by the arrow in the diagram below of a seedling somewhat shriveled at this stage in germination?

Which of the following is not a concern about the assisted migration of trees to Canada?

Which of the labeled structures in the figure below is where the embryo sac would be found?

The Nature of Science and the Characteristics of Life

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Stem Cells, Cancer, and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

Dna and Genes

From Gene to Protein

Dna Technology

How Evolution Works

Evolution of Populations

Speciation and the Origins of Biological Diversity

The Evolutionary History of Life

The Biosphere

Growth of Populations

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons, Muscles, and Movement

Defenses Against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Filters

Double fertilization results in the formation of a(n) and a(n).