Deck 37: Reproduction in Flowering Plants

Question 1

Each pollen grain produces two cells, one of which may develop into:

A) a polar nucleus.
B) a pollen tube.
C) an anther.
D) a compound pistil.
E) a filament.

Answer 1

B

Question 2

Asexual reproduction in flowering plants does not usually involve the formation of:

A) plantlets, stolons, or seeds.
B) suckers, corms, or rhizomes.
C) flowers, seeds, or fruits.
D) bulbs, rhizomes, or seeds.
E) flowers, bulbs, or stolons.

Answer 2

C

Question 3

All the sepals of a flower are collectively known as the:

A) calyx.
B) carpel.
C) corolla.
D) pistil.
E) receptacle.

Answer 3

A

Question 4

Genes for self-incompatibility usually inhibit the:

A) production of pollen grains.
B) pollination.
C) growth of the pollen tube.
D) growth of the style.
E) microspore formation.

Question 5

Figure 37-2
Use the figure to answer the corresponding question(s).
Certain orchids produce flowers and secrete scents that resemble female bees so that male bees will mount these flowers and attempt to copulate with them.This bizarre occurrence is an example of:

A) fertilization.
B) coevolution.
C) apomixis.
D) self-pollination.
E) asexual reproduction.

Question 6

Figure 37-1
Use the figure to answer the corresponding question(s).
Flower parts are borne on the tip of a stalk referred to as the:

A) calyx.
B) corolla.
C) filament.
D) receptacle.
E) stigma.

Question 7

Which statement about the megasporocyte is true?

A) It undergoes meiosis to produce three haploid cells.
B) It is a diploid cell located within an ovule.
C) It divides mitotically to form a male gametophyte.
D) It plays an important role in cross-pollination.
E) It will give rise to the generative cell.

Question 8

Bat-pollinated, night-blooming flowers would most likely display which two characteristics?

A) blue petals and sticky pollen grains
B) yellow petals and the scent of rotting flesh
C) orange petals and no scent
D) white petals and a strongly sweet scent
E) red petals and sticky pollen grains

Question 9

The diploid portion of a plant life cycle is known as the:

A) parental generation.
B) sporophyte generation.
C) daughter generation.
D) gametophyte generation.
E) reproductive generation.

Question 10

The union of gametes is called __________ and takes place within the __________ of a flower.

A) fertilization; ovary
B) fission; anther
C) meiosis; receptacle
D) mitosis; pistil
E) fusion; stamen

Question 11

Figure 37-1
Use the figure to answer the corresponding question(s).
On Figure 37-1, the structure in which the formation of eggs would occur is labeled __________.

A) 1
B) 5
C) 6
D) 9
E) 10

Question 12

Flowers that are strongly oderiferous and blue or UV purple in color would most likely be pollinated by:

A) insects.
B) birds.
C) bats.
D) wind.
E) small rodents.

Question 13

Figure 37-1
Use the figure to answer the corresponding question(s).
The structure in which you would find microsporocytes is labeled __________ in Figure 37-1.

A) 1
B) 2
C) 6
D) 9
E) 10

Question 14

Figure 37-1
Use the figure to answer the corresponding question(s).
The order of whorls from the flower's periphery to the center is:

A) sepals, petals, stamens, and carpels.
B) carpels, petals, stamens, and sepals.
C) petals, carpels, stamens, and sepals.
D) sepals, carpels, stamens, and calyx.
E) calyx, carpels, stamens, and sepals.

Question 15

Most flowers are pollinated by which method?

A) wind
B) birds
C) bats
D) water
E) insects

Question 16

Figure 37-2
Use the figure to answer the corresponding question(s).
The shape of the bill on the bird in Figure 37-2 is most likely the result of:

A) coevolution.
B) pollination.
C) asexual reproduction.
D) pseudocopulation.
E) inbreeding.

Question 17

The female plant structure on which a pollen grain will land is the:

A) style.
B) pistil.
C) stigma.
D) anther.
E) style.

Question 18

In angiosperms, the gametophyte generation:

A) results from the fertilization of two gametes.
B) is dominant.
C) is nutritionally dependent on the sporophyte.
D) produces gametes via meiosis.
E) produces spores by mitosis.

Question 19

Figure 37-2
Use the figure to answer the corresponding question(s).
The type of floral attraction that would work on the pollinator in Figure 37-2 is:

A) white flowers.
B) purple or blue flowers.
C) a strong sweet scent.
D) a strong carrion-like scent.
E) sweet nectar.

Question 20

What mechanism is not used to prevent self-pollination in angiosperms?

A) separate male and female individuals
B) pollen is shed before the stigma of that flower is receptive to pollen
C) pollen is shed after the stigma of that flower is receptive to pollen
D) self-incompatibility genes enable a plant to recognize its own pollen
E) self-incompatibility genes stimulate growth of the pollen tube

Question 21

The difference between a drupe and a berry is that a drupe:

A) is an accessory fruit, while a berry is a multiple fruit.
B) is formed from a single carpel, while a berry is formed from many carpels.
C) has a stony pit around a single seed, while a berry is fleshy throughout with many seeds.
D) is a dry fruit, while a berry is a fleshy one.
E) splits open along two sutures, while a berry splits open along one suture.

Question 22

Figure 37-2
Use the figure to answer the corresponding question(s).
Plants that produce scentless, inconspicuous flowers with enormous amounts of pollen are adapted to which type of pollination?

A) wind
B) birds
C) bats
D) small rodents
E) insects

Question 23

Which one of the following is an example of a seed dispersed by water?

A) sunflower
B) acorn
C) coconut
D) peach
E) jack fruit

Question 24

Figure 37-4
Use the figure to answer the corresponding question(s).
Refer to Figure 37-4.Which of the fruits listed is botanically classified as a berry?

A) c
B) d
C) f
D) g
E) h

Question 25

Figure 37-4
Use the figure to answer the corresponding question(s).
Refer to Figure 37-4.Which of the fruits listed would be classified as an accessory fruit?

A) a
B) b
C) e
D) i
E) k

Question 26

Special structure found in seeds that are dispersed by ants is called:

A) glyoxisomes.
B) elaiosomes.
C) peroxisome.
D) elatoir.
E) lysosome.

Question 27

Endosperm tissue is:

A) 1/2 n
B) n
C) 2n
D) 3n
E) 4n

Question 28

The prolonged low temperature exposure required for the germination of some seeds:

A) is typical of coconuts.
B) provides an alternative to the process of imbibition.
C) prevents them from growing in flooded, anaerobic soils.
D) allows the seeds to conserve limited food stores.
E) ensures that the seeds germinate in spring, rather than in winter.

Question 29

Which is the correct sequence of embryonic development in eudicots?

A) globular embryo $\rightarrow$ suspensor embryo $\rightarrow$ proembryo $\rightarrow$ heart stage embryo
B) heart stage embryo $\rightarrow$ globular embryo $\rightarrow$ proembryo $\rightarrow$ torpedo stage embryo
C) torpedo stage embryo $\rightarrow$ globular embryo $\rightarrow$ heart stage embryo $\rightarrow$ suspensor embryo
D) proembryo $\rightarrow$ torpedo stage embryo $\rightarrow$ heart stage embryo $\rightarrow$ globular embryo
E) proembryo $\rightarrow$ globular embryo $\rightarrow$ heart stage embryo $\rightarrow$ torpedo stage embryo

Question 30

The term for mechanical injury to the seed coat that induces germination is:

A) imbibition.
B) scarification.
C) bolting.
D) vernalization.
E) thigmomorphogenesis.

Question 31

In the embryonic development of flowering plants, the basal cell develops into the:

A) apical cell.
B) apical meristem.
C) suspensor.
D) integuments.
E) endosperm.

Question 32

What is the function of cotyledons in many plants?

A) to enclose and protect the seed
B) to act as a short embryonic root
C) to produce pollen
D) to store food reserves
E) to aid in seed dispersal

Question 33

The fusion of a sperm cell with two polar nuclei in the ovule forms the:

A) cotyledon.
B) endosperm.
C) fertilized egg.
D) zygote.
E) embryo.

Question 34

Following double fertilization, the ovule develops into __________, and the ovary develops into __________.

A) a cotyledon; an embryo
B) an embryo; a seed
C) a seed; a fruit
D) a fruit; a seed
E) an endosperm; an embryo

Question 35

Figure 37-4
Use the figure to answer the corresponding question(s).
Which of the following is a structure adapted for seed dispersal by animals?

A) light, feathery plumes
B) thick, indigestible seed coats
C) air spaces and cork
D) turgor pressure within fruits
E) winged fruits

Question 36

The absorption of water by a dry seed is known as:

A) apical dominance.
B) determinate growth.
C) imbibition.
D) senescence.
E) bolting.

Question 37

The first part of the seedling to come out during germination is:

A) plumule.
B) radicle.
C) cotyledons.
D) leaves.
E) coleoptile.

Question 38

Figure 37-4
Use the figure to answer the corresponding question(s).
On Figure 37-4, which of the fruit listed is formed by the fusion of ovaries from many flowers?

A) f
B) g
C) h
D) i
E) j

Question 39

Figure 37-4
Use the figure to answer the corresponding question(s).
Fruits that develop from a flower with many separate ovaries are referred to as:

A) accessory fruits.
B) aggregate fruits.
C) dry fruits.
D) multiple fruits.
E) simple fruits.

Question 40

Figure 37-3
Use the figure to answer the corresponding question(s).
Which of the following is not true concerning the structures labeled 4 in Figure 37-3:

A) They are the cotyledons.
B) They indicate that this plant is a eudicot.
C) They are part of the embryo.
D) They are surrounded by endosperm.
E) They are derived from the integuments.

Question 41

Figure 37-5
Use the figure to answer the corresponding question(s).
The process illustrated in Figure 37-5 is:

A) imbibition.
B) germination in corn.
C) apomixis.
D) abscission.
E) germination in a eudicot.

Question 42

Which of the following is an example of a modified underground bulb with fleshy leaves for storage?

A) onion
B) white potato
C) gladiolus
D) ginger
E) strawberry

Question 43

Figure 37-5
Use the figure to answer the corresponding question(s).
A __________ is an underground stem that is greatly enlarged for food storage.

A) sucker
B) runner
C) plantlet
D) stolon
E) tuber

Question 44

The petals constitute the outermost whorl of flower parts.
____________________

Question 45

When the generative cell divides, the daughter cells are sperm cells.
____________________

Question 46

Explain the significance of apomixis in propagation of plants.Cite two examples of commercial significance.

Question 47

Compare and contrast the processes of pollination and fertilization.

Question 48

Diagram a flower, labeling the parts and identify the function of each labeled part from the following list: a) reproduction male, b) reproduction female, c) attracting a pollinator, d) point of attachment of flower parts, and e) protection for a bud.

Question 49

__________ is an example of a plant that produces detachable plantlets in notches along their leaf margins.

A) Pineapple
B) Kalanchoe
C) Chlorophytum
D) Pepperomia
E) Spathiphyllum

Question 50

Figure 37-5
Use the figure to answer the corresponding question(s).
Corn and other grasses have a unique sheath of cells known as the __________ that surrounds and protects the young shoot.

A) coleoptile
B) coleorhizum
C) cotyledon
D) endosperm
E) radicle

Question 51

Which statement about asexual reproduction is true?

A) The advantage of asexual reproduction is that it results in new gene combinations.
B) Two parents are required for successful asexual reproduction.
C) The process of meiosis takes place in the parent and results in four haploid cells.
D) The offspring of asexual reproduction are genetically identical to the parent.
E) Asexual reproduction requires the fusion of two haploid gametes.

Question 52

Aboveground shoots that develop from adventitious buds on roots are called __________.

A) corms
B) crowns
C) plantlets
D) suckers
E) culms

Question 53

Sometimes plants produce embryos in seeds without meiosis and fusion of gametes.This process is known as:

A) coevolution.
B) apomixis.
C) self-pollination.
D) mitosis.
E) suckering.

Question 54

Provide a 1-sentence explanation of how each of the following structures can be used to propagate plants asexually: suckers, corms, stolons.BONUS: Identify one representative plant that is capable of each type of reproduction identified.

Question 55

Rhizomes, tubers, corms, and stolons are examples of modified:

A) leaves.
B) flowers.
C) roots.
D) bulbs.
E) stems.

Question 56

When a microsporocyte divides, its daughter cells are diploid.
____________________

Question 57

__________ is a fruit species that can be propagated by apomixis.

A) Apple
B) Peach
C) Citrus
D) Pear
E) Peach

Question 58

Figure 37-5
Use the figure to answer the corresponding question(s).
In Figure 37-5, the structure labeled 2:

A) responds to a lack of light.
B) protects the stem tip as it moves through the soil.
C) is the first structure to emerge from the seed during germination.
D) is called the coleoptile.
E) surrounds and protects the young shoot.

Question 59

"Costs" associated with sexual reproduction in plants include all of the following except:

A) both male and female plants or structures are required.
B) death rates are high among offspring.
C) gametes must come together in order for fertilization to take place.
D) flowers have adapted to attract pollinators.
E) offspring have a fitness equal to that of their parents.

Question 60

The male gametophyte is also called an embryo sac.
____________________

Question 61

Endosperm is usually triploid.
____________________

Question 62

Apomixis refers to a type of sexual reproduction.
____________________

Question 63

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
form the outermost whorl

Question 64

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
the thin, stalklike portion of the stamen

Question 65

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
the part of the pistil on which the pollen grains land

Question 66

An ovule usually develops directly into a fruit.
____________________

Question 67

The hypocotyl connects the radicle with the cotyledons.
____________________

Question 68

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
contains an egg cell (most precise name)

Question 69

Plants that are wind-pollinated characteristically have conspicuous flowers.
____________________

Question 70

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
collectively form the calyx

Question 71

Nicotine can be found in nectaries.
____________________

Question 72

The integuments develop into the seed coat.
____________________

Question 73

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
eventually contains a structure containing a generative cell

Question 74

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
their frequently bright colors attract pollinators

Question 75

An example of a drupe is an olive.
____________________

Question 76

Imbibition is the process by which a seed takes in oxygen from the environment.
____________________

Question 77

MATCHING
Match the flower part with its description.
a.anther
f.petals
b.carpel
g.receptacle
c.filament
h.sepals
d.ovary
i.stigma
e.ovule
j.style
eventually contains a structure containing a tube cell

Question 78

In double fertilization, one sperm fuses with the egg, and the other sperm fuses with the two antipodal nuclei.
____________________

Question 79

During embryonic development, the proembryo develops from the basal cell.
____________________

Question 80

A rhizome is a horizontal aboveground stem.
____________________