Question 1

A mature monocot seed is mostly

Accepted Answer

A)  endosperm. 
B)  starch. 
C)  embryonic tissue. 
D)  seed coat. 
E)  more than one of these. 
A)  endosperm. 
B)  starch. 
C)  embryonic tissue. 
D)  seed coat. 
E)  more than one of these.

Question 2

From the outside of a flower to the inside,which of the following is the correct order of structures?

Accepted Answer

A)  calyx>corolla>stamen>carpel 
B)  corolla>calyx>stamen>carpel 
C)  calyx>corolla>carpel>stamen 
D)  corolla>calyx>carpel>stamen 
E)  calyx>carpel>corolla>stamen 
A)  calyx>corolla>stamen>carpel 
B)  corolla>calyx>stamen>carpel 
C)  calyx>corolla>carpel>stamen 
D)  corolla>calyx>carpel>stamen 
E)  calyx>carpel>corolla>stamen

Question 3

An anther is

Accepted Answer

A)  composed of a stigma, a style, and an ovary. 
B)  the mature male gametophyte. 
C)  the site where microspores are produced. 
D)  part of the vegetative phase of an angiosperm. 
E)  none of these. 
A)  composed of a stigma, a style, and an ovary. 
B)  the mature male gametophyte. 
C)  the site where microspores are produced. 
D)  part of the vegetative phase of an angiosperm. 
E)  none of these.

Question 4

Fruit is produced from the development of the

Accepted Answer

A)  egg. 
B)  ovule. 
C)  megaspore. 
D)  endosperm. 
E)  ovary. 
A)  egg. 
B)  ovule. 
C)  megaspore. 
D)  endosperm. 
E)  ovary.

Question 5

Pollen grains are produced directly by

Accepted Answer

A)  carpels. 
B)  mitosis. 
C)  meiosis. 
D)  stigmas. 
E)  pollen sacs. 
A)  carpels. 
B)  mitosis. 
C)  meiosis. 
D)  stigmas. 
E)  pollen sacs.

Question 6

Which of the following floral reproductive structures is incorrectly matched?

Accepted Answer

A)  microspore-pollen grain 
B)  egg-embryo 
C)  ovule-seed 
D)  ovary-fruit 
E)  none of these structures are incorrectly matched 
A)  microspore-pollen grain 
B)  egg-embryo 
C)  ovule-seed 
D)  ovary-fruit 
E)  none of these structures are incorrectly matched

Question 7

Match the plant hormone with its description.
 a.ethylene
b.cytokinin
c.auxin
d.abscisic acid
e.gibberellin
-mobilizes food reserves in germinating seeds

Accepted Answer

The answer of Match the plant hormone with its description.
...

Question 8

The male part of a flower is the

Accepted Answer

A)  carpel. 
B)  stamen. 
C)  petal. 
D)  sepal. 
E)  receptacle. 
A)  carpel. 
B)  stamen. 
C)  petal. 
D)  sepal. 
E)  receptacle.

Question 9

What is the principal substance that causes phototropism in stems or leaves?

Accepted Answer

A)  auxin 
B)  gibberellin 
C)  abscisic acid 
D)  ethylene 
E)  all of these 
A)  auxin 
B)  gibberellin 
C)  abscisic acid 
D)  ethylene 
E)  all of these

Question 10

Approximately,how many varieties of edible apples existed in the days of Johnny Appleseed?

Accepted Answer

A)  6 
B)  16 
C)  160 
D)  1600 
E)  16,000 
A)  6 
B)  16 
C)  160 
D)  1600 
E)  16,000

Question 11

Photoperiodism is the

Accepted Answer

A)  duration of flowering in a plant. 
B)  amount of light needed by a plant to exhibit normal growth. 
C)  biological response of a plant to a change in the length of daylight relative to darkness. 
D)  light phase of photosynthesis during which photolysis of water occurs. 
E)  time of the day when light shines. 
A)  duration of flowering in a plant. 
B)  amount of light needed by a plant to exhibit normal growth. 
C)  biological response of a plant to a change in the length of daylight relative to darkness. 
D)  light phase of photosynthesis during which photolysis of water occurs. 
E)  time of the day when light shines.

Question 12

In the tropisms with which it is involved,auxin causes

Accepted Answer

A)  rapid cell division. 
B)  hardening of cell walls. 
C)  cell elongation. 
D)  increased plasma membrane permeability. 
E)  increased protein synthesis. 
A)  rapid cell division. 
B)  hardening of cell walls. 
C)  cell elongation. 
D)  increased plasma membrane permeability. 
E)  increased protein synthesis.

Question 13

In a flower,what is the ploidy of the endosperm after fertilization?

Accepted Answer

A)  haploid 
B)  diploid 
C)  triploid 
D)  hexaploid 
E)  octaploid 
A)  haploid 
B)  diploid 
C)  triploid 
D)  hexaploid 
E)  octaploid

Question 14

Bananas are picked green,shipped to their destination,and then sprayed with an artificial plant hormone.Which plant hormone would be used for this purpose?

Accepted Answer

A)  auxin 
B)  gibberellin 
C)  ethylene 
D)  cytokinin 
E)  abscisic acid 
A)  auxin 
B)  gibberellin 
C)  ethylene 
D)  cytokinin 
E)  abscisic acid

Question 15

Hooker's evening primrose keeps its flowers closed until the early evening when they open.This is an example of

Accepted Answer

A)  phototropism. 
B)  vernalization. 
C)  a circadian rhythm. 
D)  photoperiodism. 
E)  apical dominance. 
A)  phototropism. 
B)  vernalization. 
C)  a circadian rhythm. 
D)  photoperiodism. 
E)  apical dominance.

Question 16

The requirement of cold weather before a particular plant process occurs (e.g.,flowering)is known as

Accepted Answer

A)  the biological clock. 
B)  vernalization. 
C)  photoperiodism. 
D)  biennial life cycle. 
E)  biorhythm. 
A)  the biological clock. 
B)  vernalization. 
C)  photoperiodism. 
D)  biennial life cycle. 
E)  biorhythm.

Question 17

Most apple trees grown from seed produce

Accepted Answer

A)  superior tasting fruit. 
B)  higher yields of fruit. 
C)  unpalatable fruit. 
D)  breed true. 
E)  have less genetic diversity. 
A)  superior tasting fruit. 
B)  higher yields of fruit. 
C)  unpalatable fruit. 
D)  breed true. 
E)  have less genetic diversity.

Question 18

Choose the one most appropriate answer for each.
a.haploid cells in the anther
b.reduction of chromosome number by one-half
c.after fertilization,ripens into fruit tissue
d.two nuclei in the ovule that unite with a single sperm
e.after fertilization,will form a seed
f.modified leaf with pigments and fragrance-producing cells
g.mature microspore
h.female reproductive organ
i.landing platform for pollen
j.pollen-bearing structure
k.haploid cells in the ovule
l.outermost whorl of flower parts on a receptacle
m.female gametophyte
-pollen grain

Accepted Answer

The answer of Choose the one most appropriate answer for...

Question 19

Which of the following structures is NOT a part of a carpel?

Accepted Answer

A)  stigma 
B)  style 
C)  calyx 
D)  ovary 
E)  all of these are parts of a carpel 
A)  stigma 
B)  style 
C)  calyx 
D)  ovary 
E)  all of these are parts of a carpel

Question 20

Which of the following is NOT true about Phylloxera blight?

Accepted Answer

A)  it was devastating to the French wine industry 
B)  the causal agent attacks and fills the root systems of grape vines 
C)  it was accidently introduced into France on American grapevines. 
D)  the causal agent is a plant pathogenic fungus 
E)  all of these are true about Phylloxera blight 
A)  it was devastating to the French wine industry 
B)  the causal agent attacks and fills the root systems of grape vines 
C)  it was accidently introduced into France on American grapevines. 
D)  the causal agent is a plant pathogenic fungus 
E)  all of these are true about Phylloxera blight

Exam 28: Plant Reproduction and Development

A mature monocot seed is mostly

From the outside of a flower to the inside,which of the following is the correct order of structures?

An anther is

Fruit is produced from the development of the

Pollen grains are produced directly by

Which of the following floral reproductive structures is incorrectly matched?

Match the plant hormone with its description. a.ethylene b.cytokinin c.auxin d.abscisic acid e.gibberellin -mobilizes food reserves in germinating seeds

The male part of a flower is the

What is the principal substance that causes phototropism in stems or leaves?

Approximately,how many varieties of edible apples existed in the days of Johnny Appleseed?

Photoperiodism is the

In the tropisms with which it is involved,auxin causes

In a flower,what is the ploidy of the endosperm after fertilization?

Bananas are picked green,shipped to their destination,and then sprayed with an artificial plant hormone.Which plant hormone would be used for this purpose?

Hooker's evening primrose keeps its flowers closed until the early evening when they open.This is an example of

The requirement of cold weather before a particular plant process occurs (e.g.,flowering)is known as

Most apple trees grown from seed produce

Which of the following structures is NOT a part of a carpel?

Which of the following is NOT true about Phylloxera blight?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Filters