Question 1

What is the normal function of fruits?

Accepted Answer

A) to protect seeds 
B) to disperse seeds 
C) to attract pollinators 
D) to protect and disperse seeds 
E) to attract pollinators and protect seeds 
A) to protect seeds 
B) to disperse seeds 
C) to attract pollinators 
D) to protect and disperse seeds 
E) to attract pollinators and protect seeds

Question 2

From which structures do fruits arise?

Accepted Answer

A) flowers 
B) leaves 
C) stems 
D) roots 
E) apical meristems 
A) flowers 
B) leaves 
C) stems 
D) roots 
E) apical meristems

Question 3

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 4

If asked to extract DNA from the megaspores of an apple flower,what part would you select?

Accepted Answer

A) anther 
B) ovule 
C) corolla 
D) sepal 
E) stigma 
A) anther 
B) ovule 
C) corolla 
D) sepal 
E) stigma

Question 5

Reproduction of flowering plants

Accepted Answer

A) relies upon wind to disperse seeds. 
B) relies upon animals to disperse seeds. 
C) relies upon animals to disperse pollen. 
D) All answers are correct 
E) relies upon wind to disperse pollen. 
A) relies upon wind to disperse seeds. 
B) relies upon animals to disperse seeds. 
C) relies upon animals to disperse pollen. 
D) All answers are correct 
E) relies upon wind to disperse pollen.

Question 6

Whorl three of a flower is made up of

Accepted Answer

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

Question 7

A dry spiny fruit is probably dispersed by attaching to an animal's fur.

Accepted Answer

A) True 
 B)False

Question 8

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 9

Whorl four of a flower is made up of

Accepted Answer

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

Question 10

The main pollinators of flowers that have markings visible only under ultraviolet light are

Accepted Answer

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

Question 11

One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

Accepted Answer

A) Ripe fruit releases ethylene gas. 
B) Ripe fruit breaks down auxins. 
C) The lack of oxygen promotes photosynthesis,which ripens the fruit. 
D) Ripe fruit carries fungi that attack other fruit. 
E) When fruit is in the dark it thinks it is underground and begins to germinatE. 
A) Ripe fruit releases ethylene gas. 
B) Ripe fruit breaks down auxins. 
C) The lack of oxygen promotes photosynthesis,which ripens the fruit. 
D) Ripe fruit carries fungi that attack other fruit. 
E) When fruit is in the dark it thinks it is underground and begins to germinatE.

Question 12

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.The developing seedling was using which of the following as a source of energy during this time?

Accepted Answer

A) water from the soil 
B) starch from the seed 
C) sugars from the soil 
D) nutrients from the soil 
E) light 
A) water from the soil 
B) starch from the seed 
C) sugars from the soil 
D) nutrients from the soil 
E) light

Question 13

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

Accepted Answer

A) on the left side of the grass,a few centimeters down from the tip 
B) on the right side of the grass,a few centimeters down from the tip 
C) on the left side of the tip of the grass 
D) on the right side of the tip of the grass 
A) on the left side of the grass,a few centimeters down from the tip 
B) on the right side of the grass,a few centimeters down from the tip 
C) on the left side of the tip of the grass 
D) on the right side of the tip of the grass

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 grow in opposite directions as the plant is rotated?

Accepted Answer

A) The roots and shoots respond to auxins,though in different directions. 
B) Statoliths move in the opposite direction in roots and shoots. 
C) The absorption of light occurs only in shoots. 
D) The circadian rhythms of roots and shoots are opposite. 
E) Differences in thigmotropism occur. 
A) The roots and shoots respond to auxins,though in different directions. 
B) Statoliths move in the opposite direction in roots and shoots. 
C) The absorption of light occurs only in shoots. 
D) The circadian rhythms of roots and shoots are opposite. 
E) Differences in thigmotropism occur.

Question 15

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 16

A sweet,juicy red berry is probably dispersed by attaching to an animal's fur.

Accepted Answer

A) True 
 B)False

Question 17

The resumption of growth and development after a period of seed dormancy is

Accepted Answer

A) germination. 
B) fertilization. 
C) pollination. 
D) stagnation. 
E) transpiration. 
A) germination. 
B) fertilization. 
C) pollination. 
D) stagnation. 
E) transpiration.

Question 18

The reason why one bad apple leads to a bushel of apples,in which the bad one is found,spoiling,is that the bad apple produces lots of

Accepted Answer

A) auxin. 
B) cytokinin. 
C) abscisic acid. 
D) gibberellin. 
E) ethylenE. 
A) auxin. 
B) cytokinin. 
C) abscisic acid. 
D) gibberellin. 
E) ethylenE.

Question 19

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 20

If you were given a bumpy fruit that clearly had one set of sepals around it and the bumps in which were the result of individual carpels having fused back to themselves,what kind of fruit would you have?

Accepted Answer

A) simple 
B) aggregate 
C) double 
D) axillary 
E) multiple 
A) simple 
B) aggregate 
C) double 
D) axillary 
E) multiple

Exam 22: Reproduction and Development of Flowering Plants

What is the normal function of fruits?

From which structures do fruits arise?

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?

If asked to extract DNA from the megaspores of an apple flower,what part would you select?

Reproduction of flowering plants

Whorl three of a flower is made up of

A dry spiny fruit is probably dispersed by attaching to an animal's fur.

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

Whorl four of a flower is made up of

The main pollinators of flowers that have markings visible only under ultraviolet light are

One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

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 grow in opposite directions as the plant is rotated?

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

A sweet,juicy red berry is probably dispersed by attaching to an animal's fur.

The resumption of growth and development after a period of seed dormancy is

The reason why one bad apple leads to a bushel of apples,in which the bad one is found,spoiling,is that the bad apple produces lots of

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

If you were given a bumpy fruit that clearly had one set of sepals around it and the bumps in which were the result of individual carpels having fused back to themselves,what kind of fruit would you have?

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

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 Respiratorysystems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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