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The male gametophyte in flowering plants forms in a ____.


A) corolla
B) receptacle
C) stamen
D) calyx
E) carpel

Correct Answer

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The petals of a flower make up the ____.


A) corolla
B) filament
C) ovule
D) calyx
E) receptacle

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Almost immediately after a young leaf primordium first begins to bulge out ____.


A) undifferentiated vascular tissues that will later become xylem and phloem penetrate it
B) small xylem vessels penetrate it first, followed soon after by phloem
C) small phloem vessels penetrate it first, followed soon after by xylem
D) small xylem and phloem vessels penetrate it together
E) specialized vascular tissue cells penetrate and soon differentiate into phloem or xylem vessels

Correct Answer

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Examine the following figure. Match each letter of the figure with the appropriate structure.  Examine the following figure. Match each letter of the figure with the appropriate structure.

Premises
style
Responses
B
C
E
H
F
D
G
A

Correct Answer

B
C
E
H
F
D
G
A

Which part of a flower is typically the most leaf like, and when green can carry out photosynthesis?


A) carpels
B) receptacles
C) sepals
D) petals
E) stamens

Correct Answer

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Vegetative reproduction is rare in nature.

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Describe several ways that fruits can aid seed dispersal.

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In flowering plants fertilization is typ...

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The process by which plants produce seeds begins with fertilization.

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The fruit wall, or pericarp, develops from the ____.


A) ovary wall
B) petals ​
C) seed coat
D) endosperm
E) receptacle

Correct Answer

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Match each of the following flower parts with its description.

Premises
sepals
Responses
often showy parts that function in attracting bees or other animal pollinators
encloses and protects all other flower parts before the flower opens
male reproductive parts
all of the sepals combined
female reproductive parts

Correct Answer

often showy parts that function in attracting bees or other animal pollinators
encloses and protects all other flower parts before the flower opens
male reproductive parts
all of the sepals combined
female reproductive parts

Self-incompatibility in flowering plants is a biochemical recognition and rejection process that prevents ____.


A) both self-fertilization and self-pollination ​
B) self-pollination and occasionally prevents self-fertilization
C) self-fertilization but not self-pollination
D) self-pollination but not self-fertilization
E) self-fertilization and occasionally prevents self-pollination

Correct Answer

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The innermost whorl of a flower typically consists of one or more ____.


A) petals
B) carpels
C) stamens
D) receptacles
E) sepals

Correct Answer

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The female gametophyte in flowering plants forms in a _____.


A) calyx
B) carpel
C) receptacle
D) corolla
E) stamen

Correct Answer

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verified

The structure between the carpel and stigma is the ____.


A) stamen
B) sepal
C) style
D) ovary
E) anther

Correct Answer

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Many fully differentiated plant cells are totipotent, meaning that they ____.


A) will grow roots if they touch the ground
B) will perform photosynthesis if exposed to sunlight
C) can fertilize an egg
D) have the potential to form a whole, fully-functional plant
E) can undergo meiosis

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How is pollentube elongation facilitated?


A) Pollen tube growth relies onchemical signals released by the pollen grain.
B) Pollentube elongation will occur as long as the pistil provides moisture and energy.
C) Chemical cues from female tissues help guide pollen tube growth, but the identity of these chemicals is not known.
D) All the details of the chemical interactions between the pollen tube and pistil tissue have been elucidated and are well-described.
E) Pollentube elongation occurs only in the absence of chemical cues from the female tissues.

Correct Answer

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Examine the following figure. Match each letter of the figure with the appropriate structure.  Examine the following figure. Match each letter of the figure with the appropriate structure.

Premises
sepal
Responses
E
B
C
H
F
D
G
A

Correct Answer

E
B
C
H
F
D
G
A

Examine the following figure. Match each letter of the figure with the appropriate structure.  Examine the following figure. Match each letter of the figure with the appropriate structure.

Premises
ovule
Responses
C
E
H
B
G
F
A
D

Correct Answer

C
E
H
B
G
F
A
D

Describe the process of how four different embryo sac cells become differentiated.

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A major factor in determining the roles ...

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When a plant zygote first forms, it starts to develop and elongate after mitosis begins.

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