Question 1

Male gametophytes are made in each

Accepted Answer

A)  stamen. 
B)  calyx. 
C)  stigma. 
D)  carpel. 
E)  corolla. 
A)  stamen. 
B)  calyx. 
C)  stigma. 
D)  carpel. 
E)  corolla.

Question 2

A seed's directional response to gravity is called

Accepted Answer

A)  thigmotropism. 
B)  phototropism. 
C)  organotropism. 
D)  gravitropism. 
E)  chemotropism. 
A)  thigmotropism. 
B)  phototropism. 
C)  organotropism. 
D)  gravitropism. 
E)  chemotropism.

Question 3

A(n)________ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.

Accepted Answer

A)  enzyme 
B)  megaspore 
C)  microspore 
D)  hormone 
E)  gametophyte 
A)  enzyme 
B)  megaspore 
C)  microspore 
D)  hormone 
E)  gametophyte

Question 4

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

Accepted Answer

A)  It allows fertilization in the absence of water. 
B)  It is necessary for sexual reproduction. 
C)  It allows fertilization in moist areas. 
D)  It promotes pollination. 
E)  It protects and nourishes the embryo. 
A)  It allows fertilization in the absence of water. 
B)  It is necessary for sexual reproduction. 
C)  It allows fertilization in moist areas. 
D)  It promotes pollination. 
E)  It protects and nourishes the embryo.

Question 5

In plants,molecules that detect the wavelength and intensity of light are

Accepted Answer

A)  chemoreceptors. 
B)  photoreceptors. 
C)  mechanoreceptors. 
D)  pressure receptors. 
E)  gradient receptors. 
A)  chemoreceptors. 
B)  photoreceptors. 
C)  mechanoreceptors. 
D)  pressure receptors. 
E)  gradient receptors.

Question 6

If whorl four of a plant was damaged,this would interfere with

Accepted Answer

A)  supporting the flower. 
B)  the male reproductive parts. 
C)  the female reproductive part. 
D)  attracting pollinators. 
E)  pollen availability. 
A)  supporting the flower. 
B)  the male reproductive parts. 
C)  the female reproductive part. 
D)  attracting pollinators. 
E)  pollen availability.

Question 7

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that ________ was occurring.

Accepted Answer

A)  photosynthesis 
B)  cellular respiration 
C)  meiosis 
D)  alcohol fermentation 
E)  fertilization 
A)  photosynthesis 
B)  cellular respiration 
C)  meiosis 
D)  alcohol fermentation 
E)  fertilization

Question 8

Whorl three of a flower is made up of the

Accepted Answer

A)  female reproductive parts of a flower. 
B)  male reproductive parts of a flower. 
C)  sepals. 
D)  petals. 
E)  stem region. 
A)  female reproductive parts of a flower. 
B)  male reproductive parts of a flower. 
C)  sepals. 
D)  petals. 
E)  stem region.

Question 9

If you were given two plants and told that they were clones of another plant,you would know that they were

Accepted Answer

A)  offspring that are produced sexually and are genetically identical to their parent. 
B)  offspring that are genetically different from their parent. 
C)  produced by asexual reproduction and genetically different from their parent. 
D)  offspring that are produced asexually and are genetically identical to their parent. 
E)  produced by sexual reproduction. 
A)  offspring that are produced sexually and are genetically identical to their parent. 
B)  offspring that are genetically different from their parent. 
C)  produced by asexual reproduction and genetically different from their parent. 
D)  offspring that are produced asexually and are genetically identical to their parent. 
E)  produced by sexual reproduction.

Question 10

Fruit develops from the

Accepted Answer

A)  ovary. 
B)  stigma. 
C)  style. 
D)  ovule. 
E)  stamen. 
A)  ovary. 
B)  stigma. 
C)  style. 
D)  ovule. 
E)  stamen.

Question 11

The number of similar anatomical parts,called whorls,that make up a flower is

Accepted Answer

A)  one. 
B)  two. 
C)  three. 
D)  four. 
E)  five. 
A)  one. 
B)  two. 
C)  three. 
D)  four. 
E)  five.

Question 12

How are animals involved in the life cycle of plants?

Accepted Answer

A)  as pollinators only 
B)  as pollinators and seed dispersers 
C)  as seed dispersers only 
D)  as seed germinators only 
E)  as seed germinators and dispersers 
A)  as pollinators only 
B)  as pollinators and seed dispersers 
C)  as seed dispersers only 
D)  as seed germinators only 
E)  as seed germinators and dispersers

Question 13

The main pollinators of red flowers are

Accepted Answer

A)  beetles. 
B)  bees. 
C)  birds. 
D)  moths. 
E)  bats. 
A)  beetles. 
B)  bees. 
C)  birds. 
D)  moths. 
E)  bats.

Question 14

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

Accepted Answer

A)  by the absorption of light by phytochromes 
B)  through circadian rhythms 
C)  through thigmotropism 
D)  by sensing the photoperiod 
E)  by the movement of plastids in root cap cells 
A)  by the absorption of light by phytochromes 
B)  through circadian rhythms 
C)  through thigmotropism 
D)  by sensing the photoperiod 
E)  by the movement of plastids in root cap cells

Question 15

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with the

Accepted Answer

A)  petals. 
B)  female reproductive parts of a flower. 
C)  male reproductive parts of a flower. 
D)  sepals. 
E)  stem region. 
A)  petals. 
B)  female reproductive parts of a flower. 
C)  male reproductive parts of a flower. 
D)  sepals. 
E)  stem region.

Question 16

If asked to place a label in the pollen-producing part of a flower,you would put the label on the

Accepted Answer

A)  stigma. 
B)  style. 
C)  ovary. 
D)  sepal. 
E)  anther. 
A)  stigma. 
B)  style. 
C)  ovary. 
D)  sepal. 
E)  anther.

Question 17

Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light.It will flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower.What triggers cocklebur to flower?

Accepted Answer

A)  short dark periods 
B)  short light periods 
C)  long light periods 
D)  long dark periods 
E)  No answer is correct. 
A)  short dark periods 
B)  short light periods 
C)  long light periods 
D)  long dark periods 
E)  No answer is correct.

Question 18

Gymnosperms are flowering plants.

Accepted Answer

A) True 
 B)False

Question 19

Whorl one,the outermost whorl of a flower,is made up of the

Accepted Answer

A)  female reproductive parts of a flower. 
B)  male reproductive parts of a flower. 
C)  sepals. 
D)  petals. 
E)  stem region. 
A)  female reproductive parts of a flower. 
B)  male reproductive parts of a flower. 
C)  sepals. 
D)  petals. 
E)  stem region.

Question 20

A sweet substance used by many angiosperms to lure pollinators is

Accepted Answer

A)  pollen. 
B)  honey. 
C)  "honey dew." 
D)  phloem sap. 
E)  nectar. 
A)  pollen. 
B)  honey. 
C)  "honey dew." 
D)  phloem sap. 
E)  nectar.

Exam 22: Reproduction and Development of Flowering Plants

Male gametophytes are made in each

A seed's directional response to gravity is called

A(n)________ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

In plants,molecules that detect the wavelength and intensity of light are

If whorl four of a plant was damaged,this would interfere with

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that ________ was occurring.

Whorl three of a flower is made up of the

If you were given two plants and told that they were clones of another plant,you would know that they were

Fruit develops from the

The number of similar anatomical parts,called whorls,that make up a flower is

How are animals involved in the life cycle of plants?

The main pollinators of red flowers are

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with the

If asked to place a label in the pollen-producing part of a flower,you would put the label on the

Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light.It will flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower.What triggers cocklebur to flower?

Gymnosperms are flowering plants.

Whorl one,the outermost whorl of a flower,is made up of the

A sweet substance used by many angiosperms to lure pollinators is

The Scientific Study of Life

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The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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