Question 1

In eudicots the endosperm is usually stored in which of the following seed parts?

Accepted Answer

A)  Cotyledons
B)  Embryos
C)  Wall
D)  Membrane
E)  None of these is correct.F) A) and B)
G) A) and C)

Question 2

Mosses and flowering plants differ in their dominant life cycle stages.Coleochaete is a multicellular algae that is considered to be the closest living relative of land plants.Coleochaete spend their entire life as a haploid organism.In what major way do these algae differ from mosses and flowering plants?

Accepted Answer

A)  They have a more prominent sporophyte generation.
B)  They do not undergo alternation of generations.
C)  They do not undergo mitosis.
D)  They do not undergo photosynthesis.E) A) and D)
F) C) and D)

Question 3

A flower that lacks any one of its floral parts might be called:

Accepted Answer

A)  misrepresented.
B)  misinterpreted.
C)  fatally flawed.
D)  incomplete.
E)  mostly completE.F) C) and D)
G) All of the above

Question 4

The following sequence represents events in the development of a fruit:

Accepted Answer

A)  pollination,fertilization,embryo,ovary matures.
B)  pollination,germination of pollen,endosperm,ovule.
C)  pollination,endosperm,embryo,ovule matures.
D)  pollination,fertilization,germination of pollen,ovule matures,embryo forms.
E)  pollination,double fertilization,ovule matures,embryo forms,ovary matures.F) A) and D)
G) C) and D)

Question 5

Liang and Mahadevan concluded that flowers bloom as a result of:

Accepted Answer

A)  growth starting at the midrib running along the center of each petal.
B)  differential growth rates of top and bottom petal surfaces.
C)  greater growth on petal edges than in the petal center.
D)  differential growth rates in stems.E) None of the above
F) A) and B)

Question 6

In the Arabidopsis cdka;1 mutant the central cell of the female gametophyte is not fertilized.What structure will not form in these mutant plants?

Accepted Answer

A)  Pollen tube
B)  Endosperm
C)  Synergids
D)  Egg cellE) A) and C)
F) B) and C)

Question 7

One application of modified flower parts has been the development of cultivated flowers from wild ones such as with:

Accepted Answer

A)  petunias.
B)  poinsettias.
C)  apples.
D)  roses.
E)  oranges.F) A) and B)
G) All of the above

Question 8

After papaya seeds germinate,the hypocotyl elongates and forms a hook.This hook straightens and pulls the cotyledon and the shoot tip of the seedling into the air.This method of embryonic shoot emergence is most similar to shoot emergence in which plant?

Accepted Answer

A)  Garden bean
B)  Onion
C)  Pea
D)  CornE) A) and D)
F) B) and C)

Question 9

The term hypocotyl refers to the portion of an embryonic stem located below the attachment of the cotyledons.

Accepted Answer

A) True 
 B)False

Question 10

Many seedless fruits are produced as genetically identical clones by asexual reproduction.Although advantageous in some ways,such genetically identical crops are more susceptible to _______ that could wipe out the entire crop.

Accepted Answer

A)  drought
B)  sexual reproduction
C)  stress
D)  diseaseE) All of the above
F) B) and D)

Question 11

Endosperm tissue arises by the fusion of a sperm nucleus with two nuclei of the:

Accepted Answer

A)  male gametophyte.
B)  female style.
C)  ovule wall.
D)  female egg.
E)  female gametophyte central cell.F) A) and D)
G) B) and D)

Question 12

Which of the following is NOT part of the male reproductive parts of a flower?

Accepted Answer

A)  Anthers
B)  Microspores
C)  Pollen
D)  Sperm cells
E)  OvuleF) A) and D)
G) B) and E)

Question 13

Flowers that have all four floral parts are said to be:

Accepted Answer

A)  perfect.
B)  complete.
C)  whorled.
D)  finite.
E)  infinitE.F) B) and E)
G) None of the above

Question 14

The main difference between the life cycle of mosses versus flowering plants is:

Accepted Answer

A)  mosses only have one multicellular life cycle stage,whereas flowering plants have 2.
B)  in moss the dominant life cycle stage is the gametophyte,whereas in flowering plants the dominant life cycle stage is the sporophyte.
C)  moss sporophytes are photosynthetic and flowering plant sporophytes are not.
D)  flowering plants undergo the alternation of generations and mosses do not.E) A) and D)
F) C) and D)

Question 15

The correct arrangement of flower parts from the outside to the inside is:

Accepted Answer

A)  carpels,stamens,sepals,petals.
B)  petals,stamens,carpels,sepals.
C)  stamens,sepals,petals,carpels.
D)  sepals,petals,stamens,carpels.
E)  stamens,carpels,sepals,petals.F) C) and E)
G) None of the above

Question 16

Pollen germination refers to the process of:

Accepted Answer

A)  pollen attachment to the stigmA.
B)  pollen dispersal.
C)  sperm development.
D)  double fertilization.
E)  development of the pollen tubE.F) D) and E)
G) C) and E)

Question 17

The primary role of the two sperm in the pollen is to:

Accepted Answer

A)  release proteins for germination.
B)  produce the pollen tube.
C)  ensure that there will be fertilization of the egg and the central cell.
D)  prevent embryo production.E) A) and B)
F) A) and D)

Question 18

Female gametophytes develop specifically within what part of the flower?

Accepted Answer

A)  Anther
B)  Stamen
C)  Stigma
D)  Ovule
E)  Central cellF) A) and D)
G) D) and E)

Question 19

In _______ the cotyledon remains underground as a seedling grows.

Accepted Answer

A)  garden beans
B)  onions
C)  peas
D)  cornE) None of the above
F) A) and B)

Question 20

How would you expect a mutation that prevents the production of small RNA molecules to affect the flowering of plants such as winter wheat,which normally flower in the spring after cold exposure?

Accepted Answer

A)  Flowers will appear earlier than normal.
B)  Flowers will appear without cold exposure.
C)  Flowers not appear or will appear late.
D)  Such a mutation will not affect flowering.E) B) and D)
F) A) and C)

Exam 30: Flowering Plants: Reproduction

After papaya seeds germinate,the hypocotyl elongates and forms a hook.This hook straightens and pulls the cotyledon and the shoot tip of the seedling into the air.This method of embryonic shoot emergence is most similar to shoot emergence in which plant?

Correct Answer
verified

Many seedless fruits are produced as genetically identical clones by asexual reproduction.Although advantageous in some ways,such genetically identical crops are more susceptible to _______ that could wipe out the entire crop.

Correct Answer
verified

The following sequence represents events in the development of a fruit:

Correct Answer
verified

Which of the following is NOT part of the male reproductive parts of a flower?

Correct Answer
verified

In eudicots the endosperm is usually stored in which of the following seed parts?

Correct Answer
verified

The main difference between the life cycle of mosses versus flowering plants is:

Correct Answer
verified

In _______ the cotyledon remains underground as a seedling grows.

Correct Answer
verified

Liang and Mahadevan concluded that flowers bloom as a result of:

Correct Answer
verified

Flowers that have all four floral parts are said to be:

Correct Answer
verified

Endosperm tissue arises by the fusion of a sperm nucleus with two nuclei of the:

Correct Answer
verified

Female gametophytes develop specifically within what part of the flower?

Correct Answer
verified

The term hypocotyl refers to the portion of an embryonic stem located below the attachment of the cotyledons.

Correct Answer
verified

Pollen germination refers to the process of:

Correct Answer
verified

A flower that lacks any one of its floral parts might be called:

Correct Answer
verified

The correct arrangement of flower parts from the outside to the inside is:

Correct Answer
verified

The primary role of the two sperm in the pollen is to:

Correct Answer
verified

Correct Answer
verified

One application of modified flower parts has been the development of cultivated flowers from wild ones such as with:

Correct Answer
verified

How would you expect a mutation that prevents the production of small RNA molecules to affect the flowering of plants such as winter wheat,which normally flower in the spring after cold exposure?

Correct Answer
verified

In the Arabidopsis cdka;1 mutant the central cell of the female gametophyte is not fertilized.What structure will not form in these mutant plants?

Correct Answer
verified

Exam 30: Flowering Plants: Reproduction

After papaya seeds germinate,the hypocotyl elongates and forms a hook.This hook straightens and pulls the cotyledon and the shoot tip of the seedling into the air.This method of embryonic shoot emergence is most similar to shoot emergence in which plant?

Correct AnswerverifiedShow Answer

Many seedless fruits are produced as genetically identical clones by asexual reproduction.Although advantageous in some ways,such genetically identical crops are more susceptible to _______ that could wipe out the entire crop.

Correct AnswerverifiedShow Answer

The following sequence represents events in the development of a fruit:

Correct AnswerverifiedShow Answer

Which of the following is NOT part of the male reproductive parts of a flower?

Correct AnswerverifiedShow Answer

In eudicots the endosperm is usually stored in which of the following seed parts?

Correct AnswerverifiedShow Answer

The main difference between the life cycle of mosses versus flowering plants is:

Correct AnswerverifiedShow Answer

In _______ the cotyledon remains underground as a seedling grows.

Correct AnswerverifiedShow Answer

Liang and Mahadevan concluded that flowers bloom as a result of:

Correct AnswerverifiedShow Answer

Flowers that have all four floral parts are said to be:

Correct AnswerverifiedShow Answer

Endosperm tissue arises by the fusion of a sperm nucleus with two nuclei of the:

Correct AnswerverifiedShow Answer

Female gametophytes develop specifically within what part of the flower?

Correct AnswerverifiedShow Answer

The term hypocotyl refers to the portion of an embryonic stem located below the attachment of the cotyledons.

Correct AnswerverifiedShow Answer

Pollen germination refers to the process of:

Correct AnswerverifiedShow Answer

A flower that lacks any one of its floral parts might be called:

Correct AnswerverifiedShow Answer

The correct arrangement of flower parts from the outside to the inside is:

Correct AnswerverifiedShow Answer

The primary role of the two sperm in the pollen is to:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

One application of modified flower parts has been the development of cultivated flowers from wild ones such as with:

Correct AnswerverifiedShow Answer

How would you expect a mutation that prevents the production of small RNA molecules to affect the flowering of plants such as winter wheat,which normally flower in the spring after cold exposure?

Correct AnswerverifiedShow Answer

In the Arabidopsis cdka;1 mutant the central cell of the female gametophyte is not fertilized.What structure will not form in these mutant plants?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified