Question 1

All of the following statements about cell suspension cultures are true EXCEPT

Accepted Answer

A)  digitalis,digitoxin,and quinine are produced by cell suspension culture.
B)  large numbers of plants are grown and collected from the natural environment to produce chemicals in the laboratory.
C)  chemicals are produced and extracted in high concentrations,sometimes from genetically modified cells.
D)  cell suspension cultures produce the same chemicals the entire plant produces.E) B) and D)
F) C) and D) B

Question 2

As the embryo matures,

Accepted Answer

A)  the suspensor transfers nutrients from the endosperm to the embryo.
B)  the embryonic cells near the suspensor become the shoot.
C)  the innermost cells become the protective,dermal tissue.
D)  it becomes a ball of cells and assumes a torpedo shape.E) A) and C)
F) B) and C)

Question 3

Angiosperms have two separate gametophytes because

Accepted Answer

A)  this is normal for alternation of generations.
B)  one can survive and fertilize without the need for external water.
C)  the microgametophyte is haploid and the megagametophyte is diploid.
D)  these two structures allow fertilization without the need for external water.
E)  this is normal for all sexually reproducing plants,where sperm are produced by microgametophytes and eggs by megagametophytes.F) None of the above
G) B) and E) E

Question 4

Plants that reproduce asexually by growth of a new plant from stems or roots show vegetative propagation.

Accepted Answer

A) True 
 B)False

Question 5

Ovules are contained within the

Accepted Answer

A)  ovary.
B)  stigma.
C)  anther.
D)  filament.
E)  style.F) B) and D)
G) B) and C)

Question 6

During which stage of eudicot development does the embryo continue to enlarge and elongate and take on a torpedo shape?

Accepted Answer

A)  Stage 1
B)  Stage 2
C)  Stage 3
D)  Stage 4
E)  Stage 5F) A) and B)
G) All of the above

Question 7

All of the following statements are true about seed germination EXCEPT

Accepted Answer

A)  all seeds require a period of dormancy before germinating.
B)  in the temperate region,seeds often require a period of cold weather before dormancy is broken.
C)  fleshy fruits contain inhibitors of germination.
D)  some seeds require fire or bacterial action before germination can occur.E) A) and B)
F) A) and C)

Question 8

The anther and filament are parts of the

Accepted Answer

A)  pistil.
B)  sepal.
C)  receptacle.
D)  petal.
E)  stamen.F) A) and B)
G) A) and C)

Question 9

Which of the following statements is NOT true about the life cycle of flowering plants?

Accepted Answer

A)  The sporophyte is diploid.
B)  The sporophyte produces heterospores.
C)  The female gametophyte is the seed.
D)  The male gametophyte is the pollen grain.
E)  The female gametophyte is retained within the body of the sporophyte parent generation.F) All of the above
G) A) and B)

Question 10

Which of the following stages occurs immediately after the development of the zygote?

Accepted Answer

A)  The development of the proembryo.
B)  The development of globular stage.
C)  The torpedo stage embryo forms.
D)  The heart stage when the cotyledon develops.E) All of the above
F) None of the above

Question 11

The transfer of pollen from an anther to the stigma of a carpel is

Accepted Answer

A)  germination.
B)  pollination.
C)  fertilization.
D)  coevolution.E) A) and D)
F) A) and C)

Question 12

Which of the following mechanisms is NOT as likely to disperse seeds at a great distance from the parent plant?

Accepted Answer

A)  Coconuts are carried by ocean currents.
B)  Squirrels bury seeds and nuts for future use.
C)  Seeds are dispersed as projectiles from the parent plant.
D)  Hooks and spines attach the seed to animal fur or human clothing.
E)  Seeds eaten with fruit by animals are dropped with the animals' feces.F) A) and B)
G) A) and C)

Question 13

The function of endosperm is to

Accepted Answer

A)  form the seedling.
B)  develop into the fruit.
C)  provide water to the embryo.
D)  provide nutrients to the embryo.
E)  provide a protective coating for the embryo.F) B) and E)
G) A) and D)

Question 14

Which of the following floral structures are present during the diploid stage of a flowering plants life cycle?

Accepted Answer

A)  Anther
B)  Ovule
C)  Sporophyte
D)  Pollen grain
E)  Everything but for the pollen grain.F) D) and E)
G) A) and E)

Question 15

Which of the following statements is NOT true about the germinated pollen grain?

Accepted Answer

A)  The generative cell produces two sperm.
B)  The pollen tube forms in the style.
C)  The tube cell produces the pollen tube.
D)  There are two sperm nuclei that move down the pollen tube to the micropyle.
E)  Fertilization occurs when the pollen grain germinates.F) B) and C)
G) A) and E)

Question 16

Which of the flowering plant structures is used to attract a specific type of pollinator?

Accepted Answer

A)  petals
B)  stamens
C)  sepals
D)  carpelE) A) and B)
F) A) and C)

Question 17

A megasporocyte is found in the

Accepted Answer

A)  anther.
B)  stigma.
C)  ovule.
D)  filament.
E)  style.F) B) and D)
G) A) and E) C

Question 18

Which component of the flowering plant is considered the female portion of the plant?

Accepted Answer

A)  Carpel
B)  Stamen
C)  Style
D)  CorollaE) None of the above
F) B) and C)

Question 19

Bee pollinated flowers

Accepted Answer

A)  are red.
B)  are predominately blue or yellow.
C)  have little odor.
D)  All of the choices apply.E) All of the above
F) A) and B)

Question 20

Which of the following events is not associated with the development of the female gametophyte?

Accepted Answer

A)  A single parenchyma cell will enlarge to become a megaspore mother cell.
B)  The megaspore undergoes meiosis producing four haploid megaspores.
C)  The nucleus of the megaspore divides mitotically to produce eight nuclei.
D)  The female gametophyte will contain three antipodal cells.
E)  All of these are associated with the development of the female gametophyte.F) A) and B)
G) B) and C)

Exam 27: Flowering Plants: Reproduction

All of the following statements about cell suspension cultures are true EXCEPT

Correct AnswerverifiedB

As the embryo matures,

Correct AnswerverifiedShow Answer

Angiosperms have two separate gametophytes because

Correct AnswerverifiedE

Plants that reproduce asexually by growth of a new plant from stems or roots show vegetative propagation.

Correct AnswerverifiedShow Answer

Ovules are contained within the

Correct AnswerverifiedShow Answer

During which stage of eudicot development does the embryo continue to enlarge and elongate and take on a torpedo shape?

Correct AnswerverifiedShow Answer

All of the following statements are true about seed germination EXCEPT

Correct AnswerverifiedShow Answer

The anther and filament are parts of the

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about the life cycle of flowering plants?

Correct AnswerverifiedShow Answer

Which of the following stages occurs immediately after the development of the zygote?

Correct AnswerverifiedShow Answer

The transfer of pollen from an anther to the stigma of a carpel is

Correct AnswerverifiedShow Answer

Which of the following mechanisms is NOT as likely to disperse seeds at a great distance from the parent plant?

Correct AnswerverifiedShow Answer

The function of endosperm is to

Correct AnswerverifiedShow Answer

Which of the following floral structures are present during the diploid stage of a flowering plants life cycle?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about the germinated pollen grain?

Correct AnswerverifiedShow Answer

Which of the flowering plant structures is used to attract a specific type of pollinator?

Correct AnswerverifiedShow Answer

A megasporocyte is found in the

Correct AnswerverifiedC

Which component of the flowering plant is considered the female portion of the plant?

Correct AnswerverifiedShow Answer

Bee pollinated flowers

Correct AnswerverifiedShow Answer

Which of the following events is not associated with the development of the female gametophyte?

Correct AnswerverifiedShow Answer

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B

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E

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C

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