Question 1

Pollen is produced in the

Accepted Answer

A)  ovules. 
B)  anthers. 
C)  style. 
D)  stigma. 
A)  ovules. 
B)  anthers. 
C)  style. 
D)  stigma.

Question 2

Plant and animal growth is indeterminate and determinant, respectively; why is indeterminate growth more beneficial to plants than to animals?

Accepted Answer

A)  Plants are stationary in their habitat while animals can move; indeterminate growth allows a plant to respond to environmental conditions. 
B)  Plants are commonly eaten by animals while animals are rarely eaten by plants. 
C)  Indeterminate growth allows plants to become larger than animals. 
D)  Indeterminate growth allows plants to avoid reproducing when environmental conditions are unfavorable. 
A)  Plants are stationary in their habitat while animals can move; indeterminate growth allows a plant to respond to environmental conditions. 
B)  Plants are commonly eaten by animals while animals are rarely eaten by plants. 
C)  Indeterminate growth allows plants to become larger than animals. 
D)  Indeterminate growth allows plants to avoid reproducing when environmental conditions are unfavorable.

Question 3

Plants that live for three years or more are __________.

Accepted Answer

The answer of Plants that live for three years or...

Question 4

The energy used by seedlings before they begin to photosynthesis is stored in the __________ and the _______ .

Accepted Answer

cotyledons

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Growth of the cells of the lateral meristem is responsible for increasing the

Accepted Answer

A)  number of lateral roots. 
B)  number of formant buds. 
C)  thickness of the stem. 
D)  length of the stem. 
A)  number of lateral roots. 
B)  number of formant buds. 
C)  thickness of the stem. 
D)  length of the stem.

Question 7

During pollination pollen is moved from

Accepted Answer

A)  stigmas to sepals. 
B)  anthers to stigmas. 
C)  ovules to anthers. 
D)  carpels to stamens. 
A)  stigmas to sepals. 
B)  anthers to stigmas. 
C)  ovules to anthers. 
D)  carpels to stamens.

Question 8

The tube cell in a pollen grain grows through the style and provides a pathway for the _____ to enter the _____.

Accepted Answer

A)  egg; sperm 
B)  sperm; anther 
C)  sperm; embryo sac 
D)  anther; filament 
A)  egg; sperm 
B)  sperm; anther 
C)  sperm; embryo sac 
D)  anther; filament

Question 9

In plants double fertilization means that

Accepted Answer

A)  the zygote has twice the diploid number of chromosomes. 
B)  two pollen grains are needed to fertilize an egg. 
C)  one sperm fertilizes two eggs. 
D)  one sperm fertilizes an egg, the other fertilizes another cell in the embryo sac. 
A)  the zygote has twice the diploid number of chromosomes. 
B)  two pollen grains are needed to fertilize an egg. 
C)  one sperm fertilizes two eggs. 
D)  one sperm fertilizes an egg, the other fertilizes another cell in the embryo sac.

Question 10

At the tip of a filament within a flower you would find

Accepted Answer

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

Question 11

The outer bark on trees often appears cracked and uneven because

Accepted Answer

A)  different regions of the bark grow at different rates. 
B)  the cork cambium reabsorbs some of the bark. 
C)  increases in stem length stretch the bark. 
D)  increases in stem thickness stretch the bark. 
A)  different regions of the bark grow at different rates. 
B)  the cork cambium reabsorbs some of the bark. 
C)  increases in stem length stretch the bark. 
D)  increases in stem thickness stretch the bark.

Question 12

Anthers are typically attached to filaments and elevated within the flower to

Accepted Answer

A)  improve the transfer of pollen to a pollinator. 
B)  improve the transfer of pollen to the adjacent stigma. 
C)  prevent pollen from becoming stuck in the nectar. 
D)  prevent the pollen from being blown away from the flower. 
A)  improve the transfer of pollen to a pollinator. 
B)  improve the transfer of pollen to the adjacent stigma. 
C)  prevent pollen from becoming stuck in the nectar. 
D)  prevent the pollen from being blown away from the flower.

Question 13

Most flowering plants rely on animals rather than wind to transport pollen.

Accepted Answer

A) True 
 B)False

Question 14

The gene-for-gene recognition immune response involves

Accepted Answer

A)  plant alleles that attack matching alleles in pathogens. 
B)  crossing-over between plant alleles and pathogen alleles. 
C)  production of antibodies by plants in response to antigens produced by pathogens. 
D)  production of proteins by plants that protect against pathogens with a particular genetic makeup. 
A)  plant alleles that attack matching alleles in pathogens. 
B)  crossing-over between plant alleles and pathogen alleles. 
C)  production of antibodies by plants in response to antigens produced by pathogens. 
D)  production of proteins by plants that protect against pathogens with a particular genetic makeup.

Question 15

Sapwood is xylem that is too clogged to transport water.

Accepted Answer

A) True 
 B)False

Question 16

Sexual reproduction in mosses and angiosperms result in a zygote and seed, respectively. In what way(s) is the seed superior to the zygote?

Accepted Answer

A)  The zygote must grow immediately, but the seed can lie dormant until growth conditions are favorable. 
B)  The seed carries its own food to start life while the zygote is nourished by the female gametophyte. 
C)  The seed has a coat, which protects it from the environment, while the zygote lacks a coat. 
D)  all of the above 
A)  The zygote must grow immediately, but the seed can lie dormant until growth conditions are favorable. 
B)  The seed carries its own food to start life while the zygote is nourished by the female gametophyte. 
C)  The seed has a coat, which protects it from the environment, while the zygote lacks a coat. 
D)  all of the above

Question 17

Some types of the thynnine wasps pollinate the elbow orchid when

Accepted Answer

A)  males carry wingless females to elbow orchid flowers, where the female pollinates the flower. 
B)  females carry wingless males to elbow orchid flowers, where the males pollinate the flower. 
C)  elbow orchid flowers imitate the smell of females and trick males into transporting pollen. 
D)  elbow orchid flowers imitate the smell of males and trick females into transporting pollen. 
A)  males carry wingless females to elbow orchid flowers, where the female pollinates the flower. 
B)  females carry wingless males to elbow orchid flowers, where the males pollinate the flower. 
C)  elbow orchid flowers imitate the smell of females and trick males into transporting pollen. 
D)  elbow orchid flowers imitate the smell of males and trick females into transporting pollen.

Question 18

In flowering plants, seeds are haploid.

Accepted Answer

A) True 
 B)False

Question 19

At what point in the plant life cycle does cell division result in haploid cells?

Accepted Answer

A)  when the gametophyte produces gametes 
B)  when the sporophyte produces spores 
C)  when the egg and sperm fuse to form a zygote 
D)  when the germinating spore grows to become the gametophyte 
A)  when the gametophyte produces gametes 
B)  when the sporophyte produces spores 
C)  when the egg and sperm fuse to form a zygote 
D)  when the germinating spore grows to become the gametophyte

Question 20

A plant's physiological response to day length is called _____________.

Accepted Answer

The answer of A plant's physiological response to day length...

Exam 32: Plant Growth and Reproduction

Pollen is produced in the

Plant and animal growth is indeterminate and determinant, respectively; why is indeterminate growth more beneficial to plants than to animals?

Plants that live for three years or more are __________.

The energy used by seedlings before they begin to photosynthesis is stored in the __________ and the _______ .

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

Growth of the cells of the lateral meristem is responsible for increasing the

During pollination pollen is moved from

The tube cell in a pollen grain grows through the style and provides a pathway for the _____ to enter the _____.

In plants double fertilization means that

At the tip of a filament within a flower you would find

The outer bark on trees often appears cracked and uneven because

Anthers are typically attached to filaments and elevated within the flower to

Most flowering plants rely on animals rather than wind to transport pollen.

The gene-for-gene recognition immune response involves

Sapwood is xylem that is too clogged to transport water.

Sexual reproduction in mosses and angiosperms result in a zygote and seed, respectively. In what way(s) is the seed superior to the zygote?

Some types of the thynnine wasps pollinate the elbow orchid when

In flowering plants, seeds are haploid.

At what point in the plant life cycle does cell division result in haploid cells?

A plant's physiological response to day length is called _____________.

The Nature of Science and the Characteristics of Life

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

Filters

The energy used by seedlings before they begin to photosynthesis is stored in the ____ and the _ .

The tube cell in a pollen grain grows through the style and provides a pathway for the _ to enter the _.