Question 1

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.F) C) and D)
G) B) and E)

Question 2

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.F) C) and D)
G) All of the above

Question 3

Male gametophytes are made in each

Accepted Answer

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

Question 4

Gymnosperms are flowering plants.

Accepted Answer

A) True 
 B)False

Question 5

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 cellsF) A) and B)
G) B) and E)

Question 6

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.F) C) and D)
G) A) and B)

Question 7

Fruit develops from the

Accepted Answer

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

Question 8

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)   fertilizationF) B) and C)
G) A) and E)

Question 9

The main pollinators of red flowers are

Accepted Answer

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

Question 10

A seed's directional response to gravity is called

Accepted Answer

A)   thigmotropism.
B)   phototropism.
C)   organotropism.
D)   gravitropism.
E)   chemotropism.F) None of the above
G) B) and C)

Question 11

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)   gametophyteF) A) and E)
G) A) and D)

Question 12

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.F) A) and E)
G) C) and E)

Question 13

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.F) A) and D)
G) All of the above

Question 14

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 dispersersF) B) and E)
G) C) and E)

Question 15

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.F) A) and D)
G) A) and E)

Question 16

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.F) A) and E)
G) C) and D)

Question 17

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.F) C) and E)
G) None of the above

Question 18

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.F) A) and B)
G) A) and E)

Question 19

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.F) All of the above
G) B) and E)

Question 20

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.F) B) and C)
G) B) and E)

Exam 22: Reproduction and Development of Flowering Plants

Gymnosperms are flowering plants.

Correct AnswerverifiedShow Answer

The main pollinators of red flowers are

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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.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

How are animals involved in the life cycle of plants?

Correct AnswerverifiedShow Answer

Male gametophytes are made in each

Correct AnswerverifiedShow Answer

A sweet substance used by many angiosperms to lure pollinators is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A seed's directional response to gravity is called

Correct AnswerverifiedShow Answer

Fruit develops from the

Correct AnswerverifiedShow Answer

Whorl three of a flower is made up of the

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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