BSC2011 Plant Section

Where did the chloroplasts in plants originate?

A. Primary Endosymbiosis

B. Secondary Endosymbiosis

C. Tertiary Endosymbiosis

D. Primary, Secondary, & Tertiary Endosymbiosis

Primary Endosymbiosis

Spores are genetically identical to

A. The parent sporophyte

B. Spores from the same parent

C. Gametophytes that develop from them

D. Other spores from the same sporangium

Gametophytes that develop from them

Which of the following makes the statement FALSE?

In the alternation of generations life cycle, the generations that alternate

A. Are haploid and diploid multicellular organisms

B. Produce each other

C. Directly develop into one another as parts of the same individual

D. May be physically attached

Directly develop into one another as parts of the same individual

Which of the following would you expect to contain cells with the same number of chromsomes as an egg cell in a plant? (Pick all the correct answers- there may be more than one!)

A. Gametophyte

B. Sporophyte

C. Spore

D. Sperm

Gametophyte, spore, sperm

A gametophyte cell for a particular plant has 16 chromosomes. How many chromosomes would you expect to be in a sperm cell produced by this plant?

A. 4

B. 8

C. 16

D. 32

16

Which of the following features are unique to land plants?

A. chloroplasts

B. chlorophyll b

C. multicellular sporophyte generation

D. plasmodesmata

E. waxy cuticle

multicellular sporophyte generation, waxy cuticle

Which of the following statements is true about the archegonium?

A. It is part of the gametophyte that produces an egg

B. It is part of the sporophyte that produces an egg

C. It is part of the gametophyte that produces sperm

D. It is part of the sporophyte that produces sperm

It is part of the gametophyte that produces an egg

Is the following statement true or false? The tissue of the peristome in a moss is haploid.

A. True

B. False

False, the peristome is on the sporophyte which is diploid

Which of the following groups make up a clade?

A. Bryophytes

B. Land Plants

C. Photosynthetic Eukaryotes

D. Plants

Land plants, plants

On which of the following plants would you expect to find stomata?

A. Green Algae

B. Hornwort

C. Liverwort

D. Moss

Hornwort, moss

If the spore cells of a liverwort contain 32 chromosomes, how many chromosomes would a gemma have from that same liverwort?

A. 8

B. 16

C. 32

D. 64

32

Which of the following structures plays the most important role in controlling water loss and regulating gas exchange in the land plants?

A. Xylem and Phloem

B. Leaves and Roots

C. Cuticle and Stomata

D. Archegonium and Antheridium

Cuticle and stomata

What is most likely to happen if you add drops of salt water on top of stomata?

A. The vacuoles in the guard cells will grow and the stomata will open

B. The vacuoles in the guard cells will shrink and the stomata will open

C. The vacuoles in the guard cells will grow and the stomata will close

D. The vacuoles in the guard cells will shrink and the guard cells will close

The vacuoles in the guard cell will shrink and the guard cells will close

Which of the following would you expect to see in Selaginella (a lycophyte)?

A. megaphyll

B. microphyll

C. Tracheids

D. An independent sporophyte

microphyll, tracheids, an independent sporophyte

Ovules inclosed in a carpel are characteristic of the:

A. Flowering Plants (angiosperms)

B. Conifers and cycads (gymnosperms)

C. Monilophytes

D. Mosses and liverworts (Bryophytes)

Flowering plants

The nutritive tissue of the seeds of angiosperms is ________, while the nutritive tissue in the seed of a gymnosperm is______.

A. diploid, haploid

B. triploid, diploid

C. haploid, diploid

D. triploid, haploid

triploid, haploid

A cell in the leaf of a pine tree (a gymnosperm) has 20 chromosomes. If you examine a seed from this pine tree, you would expect to find some cells with the following number of chromosomes (mark all that apply):

A. 10

B. 20

C. 30

D. 40

10 and 20

If the integument of an angiosperm seed contains cells with 20 chromosomes, how many chromosomes would you expect to find in the cell of an endosperm from the same seed?

A. 10

B. 20

C. 30

D. 40

30

Where are pollen grains produced in a pine trees?

A. megastrobilus

B. microstobilus

C. sorus

D. stamen

microstobilus

What is the main function of an archegonium in gymnosperms?

A. Produces eggs

B. Produces pollen

C. Produces sperm

D. Produces spores

produces eggs

Which of the following is likely to be the largest when mature?

A. Moss sporophyte
B. Fern gametophyte
C. Eudicot megagametophyte
D. Conifer sporophyte

Conifer sporophyte

Which plant is most likely to produce one type of spore?

A. Moss
B. Conifer
C. Eudicot
D. Monocot

Moss (homosporous)

Heterosporous

all seed plants; gymnosperms and angiosperms

How many cells make up a typical angiosperm megagametophyte?

A. 1
B. 2-3
C. 7
D. 8

7 (there are 8 nuclei)

The seed coat (integument) of angiosperms seeds is ______________ , and the integument of gymnosperm seeds is _____________ .
A. diploid; haploid
B. triploid; diploid
C. diploid; diploid
D. triploid; haploid

diploid; diploid

In all flowering plants, the outer covering, or epidermal layer of cells, arises from which tissue system?

A. cork
B. dermal
C. ground
D. vascular

dermal

A major function of ground tissue in a plant is:

A. photosynthesis
B. protection of herbivory
C. water conduction
D. anchoring the plant in the ground

photosynthesis (parenchyma cells)

Where are you most likely to find a central cell in an angiosperm?

A. Apical meristem
B. Lateral meristem
C. Ovule
D. Pollen

Ovule

If the cells in an embryo of a plant have 20 chromosomes, how many chromosomes would you expect to find in an endosperm cell?

A. 10
B. 20
C. 30
D. 40

30

Which of the following will produce new vascular tissue in the angiosperms?

A. Companion cells
B. Ground Meristem
C. Procambium
D. Protoderm

Procambium

Which hormone controls phototropic response in plants?

Auxin

True or False: Phytochromes are activated by exposure to far-red light.

False

In phototropism, what is the relationship of auxin and light?

A. Auxin enables the coleoptile tip to perceive light
B. Light perception changes the route of auxin flow in the coleoptile
C. Auxin inhibits growth of cells illuminated by light
D. Light induces synthesis of auxin in the coleoptile tip

Light perception changes the route of auxin flow in the coleoptile

The bending of a plant towards light seen in phototropism is caused by

A. shrinking of cells on the light side
B. increased division of cells on the shaded side of the shoot
C. expansion of cells on the shaded side of the shoot
D. rapid addition of cells on the sunny side of the shoot

expansion of cells on the shaded side of the shoot

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BSC2011 Plant Section

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Where did the chloroplasts in plants originate?

A. Primary Endosymbiosis

B. Secondary Endosymbiosis

C. Tertiary Endosymbiosis

D. Primary, Secondary, & Tertiary Endosymbiosis

Primary Endosymbiosis

Spores are genetically identical to

A. The parent sporophyte

B. Spores from the same parent

C. Gametophytes that develop from them

D. Other spores from the same sporangium

Gametophytes that develop from them

Which of the following makes the statement FALSE?

In the alternation of generations life cycle, the generations that alternate

A. Are haploid and diploid multicellular organisms

B. Produce each other

C. Directly develop into one another as parts of the same individual

D. May be physically attached

Directly develop into one another as parts of the same individual

Which of the following would you expect to contain cells with the same number of chromsomes as an egg cell in a plant? (Pick all the correct answers- there may be more than one!)

A. Gametophyte

B. Sporophyte

C. Spore

D. Sperm

Gametophyte, spore, sperm

A gametophyte cell for a particular plant has 16 chromosomes. How many chromosomes would you expect to be in a sperm cell produced by this plant?

A. 4

B. 8

C. 16

D. 32

16

Which of the following features are unique to land plants?

A. chloroplasts

B. chlorophyll b

C. multicellular sporophyte generation

D. plasmodesmata

E. waxy cuticle

multicellular sporophyte generation, waxy cuticle

Which of the following statements is true about the archegonium?

A. It is part of the gametophyte that produces an egg

B. It is part of the sporophyte that produces an egg

C. It is part of the gametophyte that produces sperm

D. It is part of the sporophyte that produces sperm

It is part of the gametophyte that produces an egg

Is the following statement true or false? The tissue of the peristome in a moss is haploid.

A. True

B. False

False, the peristome is on the sporophyte which is diploid

Which of the following groups make up a clade?

A. Bryophytes

B. Land Plants

C. Photosynthetic Eukaryotes

D. Plants

Land plants, plants

On which of the following plants would you expect to find stomata?

A. Green Algae

B. Hornwort

C. Liverwort

D. Moss

Hornwort, moss

If the spore cells of a liverwort contain 32 chromosomes, how many chromosomes would a gemma have from that same liverwort?

A. 8

B. 16

C. 32

D. 64

32

Which of the following structures plays the most important role in controlling water loss and regulating gas exchange in the land plants?

A. Xylem and Phloem

B. Leaves and Roots

C. Cuticle and Stomata

D. Archegonium and Antheridium

Cuticle and stomata

What is most likely to happen if you add drops of salt water on top of stomata?

A. The vacuoles in the guard cells will grow and the stomata will open

B. The vacuoles in the guard cells will shrink and the stomata will open

C. The vacuoles in the guard cells will grow and the stomata will close

D. The vacuoles in the guard cells will shrink and the guard cells will close

The vacuoles in the guard cell will shrink and the guard cells will close

Which of the following would you expect to see in Selaginella (a lycophyte)?

A. megaphyll

B. microphyll

C. Tracheids

D. An independent sporophyte

microphyll, tracheids, an independent sporophyte

Ovules inclosed in a carpel are characteristic of the:

A. Flowering Plants (angiosperms)

B. Conifers and cycads (gymnosperms)

C. Monilophytes

D. Mosses and liverworts (Bryophytes)

Flowering plants

The nutritive tissue of the seeds of angiosperms is ________, while the nutritive tissue in the seed of a gymnosperm is______.

A. diploid, haploid

B. triploid, diploid

C. haploid, diploid

D. triploid, haploid

triploid, haploid

A cell in the leaf of a pine tree (a gymnosperm) has 20 chromosomes. If you examine a seed from this pine tree, you would expect to find some cells with the following number of chromosomes (mark all that apply):

A. 10

B. 20

C. 30

D. 40

10 and 20

If the integument of an angiosperm seed contains cells with 20 chromosomes, how many chromosomes would you expect to find in the cell of an endosperm from the same seed?

A. 10

B. 20

C. 30

D. 40

30

Where are pollen grains produced in a pine trees?

A. megastrobilus

B. microstobilus

C. sorus

D. stamen

microstobilus

What is the main function of an archegonium in gymnosperms?

A. Produces eggs

B. Produces pollen

C. Produces sperm

D. Produces spores

produces eggs

Which of the following is likely to be the largest when mature?

A. Moss sporophyte
B. Fern gametophyte
C. Eudicot megagametophyte
D. Conifer sporophyte

Conifer sporophyte

Which plant is most likely to produce one type of spore?

A. Moss
B. Conifer
C. Eudicot
D. Monocot

Moss (homosporous)

Heterosporous

all seed plants; gymnosperms and angiosperms

How many cells make up a typical angiosperm megagametophyte?

A. 1
B. 2-3
C. 7
D. 8

7 (there are 8 nuclei)

The seed coat (integument) of angiosperms seeds is ______________ , and the integument of gymnosperm seeds is _____________ .
A. diploid; haploid
B. triploid; diploid
C. diploid; diploid
D. triploid; haploid

diploid; diploid

In all flowering plants, the outer covering, or epidermal layer of cells, arises from which tissue system?

A. cork
B. dermal
C. ground
D. vascular

dermal

A major function of ground tissue in a plant is:

A. photosynthesis
B. protection of herbivory
C. water conduction
D. anchoring the plant in the ground

photosynthesis (parenchyma cells)

Where are you most likely to find a central cell in an angiosperm?

A. Apical meristem
B. Lateral meristem
C. Ovule
D. Pollen

Ovule

If the cells in an embryo of a plant have 20 chromosomes, how many chromosomes would you expect to find in an endosperm cell?

A. 10
B. 20
C. 30
D. 40

30

Which of the following will produce new vascular tissue in the angiosperms?

A. Companion cells
B. Ground Meristem
C. Procambium
D. Protoderm

Procambium

Which hormone controls phototropic response in plants?

Auxin

True or False: Phytochromes are activated by exposure to far-red light.

False

In phototropism, what is the relationship of auxin and light?

A. Auxin enables the coleoptile tip to perceive light
B. Light perception changes the route of auxin flow in the coleoptile
C. Auxin inhibits growth of cells illuminated by light
D. Light induces synthesis of auxin in the coleoptile tip

Light perception changes the route of auxin flow in the coleoptile

The bending of a plant towards light seen in phototropism is caused by

A. shrinking of cells on the light side
B. increased division of cells on the shaded side of the shoot
C. expansion of cells on the shaded side of the shoot
D. rapid addition of cells on the sunny side of the shoot

expansion of cells on the shaded side of the shoot

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