Question 1

Plants that use animals for pollination always provide a reward.

Accepted Answer

A) True 
 B)False

Question 2

The growth of cells within the cark cambium results in the production of

Accepted Answer

A)  heartwood. 
B)  bark 
C)  secondary phloem. 
D)  sapwood. 
A)  heartwood. 
B)  bark 
C)  secondary phloem. 
D)  sapwood.

Question 3

The plant body is modular, formed by the repeated addition of the same basic units.

Accepted Answer

A) True 
 B)False

Question 4

Without a pollen tube,

Accepted Answer

A)  sperm couldn't move from filaments to anthers. 
B)  the zygote couldn't leave the embryo sac. 
C)  sperm would be unable to enter the ovule. 
D)  anthers couldn't produce pollen. 
A)  sperm couldn't move from filaments to anthers. 
B)  the zygote couldn't leave the embryo sac. 
C)  sperm would be unable to enter the ovule. 
D)  anthers couldn't produce pollen.

Question 5

Which of the following would be haploid?

Accepted Answer

A)  pollen 
B)  guard cells 
C)  root hairs 
D)  all of the above 
A)  pollen 
B)  guard cells 
C)  root hairs 
D)  all of the above

Question 6

A flower consists of four whorls of modified leaves.

Accepted Answer

A) True 
 B)False

Question 7

In what way does endosperm differs from sperm?

Accepted Answer

A)  Endosperm is triploid rather than haploid. 
B)  Endosperm is the immature sperm prior to its release from the anther. 
C)  Endosperm develops only in self-pollinating plants. 
D)  Endosperm is produced by the sporophyte, and sperm by the gametophyte. 
A)  Endosperm is triploid rather than haploid. 
B)  Endosperm is the immature sperm prior to its release from the anther. 
C)  Endosperm develops only in self-pollinating plants. 
D)  Endosperm is produced by the sporophyte, and sperm by the gametophyte.

Question 8

A plant that completes its life cycle in two years is a(n) ________.

Accepted Answer

The answer of A plant that completes its life cycle...

Question 9

Imagine driving a nail into a tree trunk. Which of the following tissues would the nail point first contact?

Accepted Answer

A)  heartwood 
B)  cork cambium 
C)  vascular cambium 
D)  sapwood 
A)  heartwood 
B)  cork cambium 
C)  vascular cambium 
D)  sapwood

Question 10

Which of the following would be the least likely pollinator?

Accepted Answer

A)  butterfly 
B)  bat 
C)  rattlesnake 
D)  human 
A)  butterfly 
B)  bat 
C)  rattlesnake 
D)  human

Question 11

An apical meristem produces lateral roots.

Accepted Answer

A) True 
 B)False

Question 12

The aspen grove shown in the photo below may be formed from clones.  
If this grove is indeed comprised of clones, it would not be surprising to observe that

Accepted Answer

A)  individual trees are of equal height. 
B)  individual trees have equal girth. 
C)  individual trees flower at the same time. 
D)  all of the above 
A)  individual trees are of equal height. 
B)  individual trees have equal girth. 
C)  individual trees flower at the same time. 
D)  all of the above

Question 13

In flowering plants, sperm is found within the pollen grains.

Accepted Answer

A) True 
 B)False

Question 14

Pollen grains develop from

Accepted Answer

A)  haploid male spores. 
B)  the ovum. 
C)  haploid sperm. 
D)  embryo sacs. 
A)  haploid male spores. 
B)  the ovum. 
C)  haploid sperm. 
D)  embryo sacs.

Question 15

The growth of a plant zygote into an embryo occurs within the ____.

Accepted Answer

The answer of The growth of a plant zygote into...

Question 16

The flesh of an apple forms from

Accepted Answer

A)  the stamen. 
B)  the ovule. 
C)  the carpel. 
D)  the ovary. 
A)  the stamen. 
B)  the ovule. 
C)  the carpel. 
D)  the ovary.

Question 17

How might the observation that the percentage of plant species with red foliage is greatest among high elevation plants be explained?

Accepted Answer

A)  Atmospheric composition at high elevation reduces the strength of the wavelengths that normally support photosynthesis. 
B)  High-elevation soils have above-average concentrations of iron, which accumulated to produce iron oxide within the foliage. 
C)  The red wavelengths exacerbate dehydration at high elevation, so mountain plants reflect it from their surfaces. 
D)  Red pigments absorb ultraviolet radiation,which is more intense at high elevation. 
A)  Atmospheric composition at high elevation reduces the strength of the wavelengths that normally support photosynthesis. 
B)  High-elevation soils have above-average concentrations of iron, which accumulated to produce iron oxide within the foliage. 
C)  The red wavelengths exacerbate dehydration at high elevation, so mountain plants reflect it from their surfaces. 
D)  Red pigments absorb ultraviolet radiation,which is more intense at high elevation.

Question 18

Embryo sacs are formed in the

Accepted Answer

A)  stamen. 
B)  carpel. 
C)  anther. 
D)  sepal. 
A)  stamen. 
B)  carpel. 
C)  anther. 
D)  sepal.

Question 19

Plants exhibit indeterminate growth. This means that

Accepted Answer

A)  they are perennials. 
B)  they may complete their life cycles in one, two, or three years. 
C)  the length of time it takes to grow to reach maturity is variable. 
D)  the final form of the plant is not entirely predictable. 
A)  they are perennials. 
B)  they may complete their life cycles in one, two, or three years. 
C)  the length of time it takes to grow to reach maturity is variable. 
D)  the final form of the plant is not entirely predictable.

Question 20

Above ground, plants grow by adding new bud-stem- ____ units.

Accepted Answer

The answer of Above ground, plants grow by adding new...

Exam 32: Plant Growth and Reproduction

Plants that use animals for pollination always provide a reward.

The growth of cells within the cark cambium results in the production of

The plant body is modular, formed by the repeated addition of the same basic units.

Without a pollen tube,

Which of the following would be haploid?

A flower consists of four whorls of modified leaves.

In what way does endosperm differs from sperm?

A plant that completes its life cycle in two years is a(n) ________.

Imagine driving a nail into a tree trunk. Which of the following tissues would the nail point first contact?

Which of the following would be the least likely pollinator?

An apical meristem produces lateral roots.

The aspen grove shown in the photo below may be formed from clones. If this grove is indeed comprised of clones, it would not be surprising to observe that

In flowering plants, sperm is found within the pollen grains.

Pollen grains develop from

The growth of a plant zygote into an embryo occurs within the ____.

The flesh of an apple forms from

How might the observation that the percentage of plant species with red foliage is greatest among high elevation plants be explained?

Embryo sacs are formed in the

Plants exhibit indeterminate growth. This means that

Above ground, plants grow by adding new bud-stem- ____ units.

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

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