Question 1

Which of the following was an important discovery in the field of plant genetics?

Accepted Answer

A)  Within plant species there is little variation in form because there is little genetic variation. 
B)  Complexity of structure corresponds to complexity of basic plant components. 
C)  In a given species, small genetic differences can lead to large differences in plant form. 
D)  In a given species, large genetic differences are necessary for large differences in form. 
E)  Large differences in the forms of different species are always caused by large genetic differences. 
A)  Within plant species there is little variation in form because there is little genetic variation. 
B)  Complexity of structure corresponds to complexity of basic plant components. 
C)  In a given species, small genetic differences can lead to large differences in plant form. 
D)  In a given species, large genetic differences are necessary for large differences in form. 
E)  Large differences in the forms of different species are always caused by large genetic differences.

Question 2

Which structure provides the root system of a flowering plant with more surface area?

Accepted Answer

A)  Sepal 
B)  Root hair 
C)  Cortex 
D)  Hypocotyl 
E)  Pollen 
A)  Sepal 
B)  Root hair 
C)  Cortex 
D)  Hypocotyl 
E)  Pollen

Question 3

Leaf scars indicate a previous presence of

Accepted Answer

A)  trichomes. 
B)  flowers. 
C)  petioles. 
D)  stems. 
E)  fruit. 
A)  trichomes. 
B)  flowers. 
C)  petioles. 
D)  stems. 
E)  fruit.

Question 4

The suberized cortical layer of the root, which controls entry of water into the vascular cylinder, is called the

Accepted Answer

A)  epidermis. 
B)  endodermis. 
C)  hypodermis. 
D)  hypocotyl. 
E)  endoplasmic reticulum. 
A)  epidermis. 
B)  endodermis. 
C)  hypodermis. 
D)  hypocotyl. 
E)  endoplasmic reticulum.

Question 5

Refer to the figure showing the distribution of tissues in a typical monocot root.   Which tissue/region found in this monocot root would not be found in a eudicot root?

Accepted Answer

A)  Pith 
B)  Endodermis 
C)  Pericycle 
D)  Cortex 
E)  Xylem 
A)  Pith 
B)  Endodermis 
C)  Pericycle 
D)  Cortex 
E)  Xylem

Question 6

Which statement would represent the best rephrasing of the following statement: "The basic body plan of a plant includes a root‒shoot axis."?

Accepted Answer

A)  Plants have roots and shoots. 
B)  The root and shoot of a plant are connected. 
C)  The plant body is built of root and shoot systems connected in a linear arrangement. 
D)  A plant body can have a root system and/or a shoot system. 
E)  Plants grow via roots and shoots. 
A)  Plants have roots and shoots. 
B)  The root and shoot of a plant are connected. 
C)  The plant body is built of root and shoot systems connected in a linear arrangement. 
D)  A plant body can have a root system and/or a shoot system. 
E)  Plants grow via roots and shoots.

Question 7

The most common type of differentiated cells in plant bodies are _______ cells.

Accepted Answer

The answer of The most common type of differentiated cells...

Question 8

Briefly describe the three different tissue systems that comprise the plant body, and their functions.

Accepted Answer

The three types of tissue are dermal, va

Question 9

A newly discovered flowering plant found in an alpine meadow has broad leaves with branched veins.This plant is most likely a

Accepted Answer

A)  monocot. 
B)  grass. 
C)  magnoliid. 
D)  eudicot. 
E)  gymnosperm. 
A)  monocot. 
B)  grass. 
C)  magnoliid. 
D)  eudicot. 
E)  gymnosperm.

Question 10

Which structure is not a modified stem?

Accepted Answer

A)  Runner of strawberry plants 
B)  Potato tuber 
C)  Spine on a barrel cactus 
D)  The barrel of a barrel cactus 
E)  Rhizome 
A)  Runner of strawberry plants 
B)  Potato tuber 
C)  Spine on a barrel cactus 
D)  The barrel of a barrel cactus 
E)  Rhizome

Question 11

When a young oak was 5 meters tall, a thoughtless person carved their initials in its trunk at a height of 1.5 meters above the ground.Today the tree is 10 meters tall.How high above the ground are the initials? Explain your answer in terms of plant growth.

Accepted Answer

The initials are still 1.5 met

Question 12

Refer to the figure of a plant periderm.   Structure A in the figure is a lenticel, which serves as a site of gas exchange with the environment.A similar structure, a _______, is found in leaves.

Accepted Answer

The answer of Refer to the figure of a plant...

Question 13

A botanist working high on the slopes of a Hawaiian volcano finds a member of the daisy family that has adapted to dry conditions with traits that are structurally similar to cacti.What part of this plant has become enlarged in order to function as a water storage organ?

Accepted Answer

A)  Stems 
B)  Roots 
C)  Branches 
D)  Leaves 
E)  Buds 
A)  Stems 
B)  Roots 
C)  Branches 
D)  Leaves 
E)  Buds

Question 14

Which statement about cork cells is true?

Accepted Answer

A)  They are located interior to cork cambium. 
B)  They contain waxy suberin. 
C)  They function in water storage. 
D)  They are characterized by active cell division. 
E)  They exist in abundance in monocots. 
A)  They are located interior to cork cambium. 
B)  They contain waxy suberin. 
C)  They function in water storage. 
D)  They are characterized by active cell division. 
E)  They exist in abundance in monocots.

Question 15

Wood originates from the vascular _______.

Accepted Answer

The answer of Wood originates from the vascular _______....

Question 16

Which of the following does not generally distinguish the shoot and root apical meristems?

Accepted Answer

A)  Position 
B)  Organs produced 
C)  Geotropism 
D)  Embryonic nature of cells involved 
E)  Size of cells 
A)  Position 
B)  Organs produced 
C)  Geotropism 
D)  Embryonic nature of cells involved 
E)  Size of cells

Question 17

Refer to the figure showing the stele of a buttercup root in cross section.   When the roots of a buttercup plant are placed experimentally in green-colored water, the dye will not penetrate into the root past a certain point.Which tissue layer shown in the figure is responsible for the restriction of the dye's movement? Identify the tissue layer.

Accepted Answer

The answer of Refer to the figure showing the stele...

Question 18

Which of the following is not a characteristic of vessel elements?

Accepted Answer

A)  Conduct water 
B)  Are dead at maturity 
C)  Transport sugar 
D)  Are lignified 
E)  Are connected into vessels 
A)  Conduct water 
B)  Are dead at maturity 
C)  Transport sugar 
D)  Are lignified 
E)  Are connected into vessels

Question 19

You observe a plant cell that is spindle-shaped, has secondary cell walls, and appears to be a dead, hollow tube.You are likely looking at a vascular cell that belongs to the

Accepted Answer

A)  angiosperms. 
B)  gymnosperms. 
C)  monocots. 
D)  dicots. 
E)  cacti. 
A)  angiosperms. 
B)  gymnosperms. 
C)  monocots. 
D)  dicots. 
E)  cacti.

Question 20

The _______ meristems in roots and shoots are responsible for the _______ of all plants, and the _______ meristems are responsible for the _______ growth of woody plants.

Accepted Answer

A)  lateral; primary growth; apical; secondary 
B)  apical; primary growth; lateral; secondary 
C)  bud; shoot growth; apical; primary 
D)  apical; secondary growth; lateral; primary 
E)  apical; primary growth; bud; lateral 
A)  lateral; primary growth; apical; secondary 
B)  apical; primary growth; lateral; secondary 
C)  bud; shoot growth; apical; primary 
D)  apical; secondary growth; lateral; primary 
E)  apical; primary growth; bud; lateral

Exam 33: The Plant Body

Which of the following was an important discovery in the field of plant genetics?

Which structure provides the root system of a flowering plant with more surface area?

Leaf scars indicate a previous presence of

The suberized cortical layer of the root, which controls entry of water into the vascular cylinder, is called the

Refer to the figure showing the distribution of tissues in a typical monocot root. Which tissue/region found in this monocot root would not be found in a eudicot root?

Which statement would represent the best rephrasing of the following statement: "The basic body plan of a plant includes a root‒shoot axis."?

The most common type of differentiated cells in plant bodies are _______ cells.

Briefly describe the three different tissue systems that comprise the plant body, and their functions.

A newly discovered flowering plant found in an alpine meadow has broad leaves with branched veins.This plant is most likely a

Which structure is not a modified stem?

When a young oak was 5 meters tall, a thoughtless person carved their initials in its trunk at a height of 1.5 meters above the ground.Today the tree is 10 meters tall.How high above the ground are the initials? Explain your answer in terms of plant growth.

Refer to the figure of a plant periderm. Structure A in the figure is a lenticel, which serves as a site of gas exchange with the environment.A similar structure, a _______, is found in leaves.

A botanist working high on the slopes of a Hawaiian volcano finds a member of the daisy family that has adapted to dry conditions with traits that are structurally similar to cacti.What part of this plant has become enlarged in order to function as a water storage organ?

Which statement about cork cells is true?

Wood originates from the vascular _______.

Which of the following does not generally distinguish the shoot and root apical meristems?

Which of the following is not a characteristic of vessel elements?

You observe a plant cell that is spindle-shaped, has secondary cell walls, and appears to be a dead, hollow tube.You are likely looking at a vascular cell that belongs to the

The _______ meristems in roots and shoots are responsible for the _______ of all plants, and the _______ meristems are responsible for the _______ growth of woody plants.

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The ___ meristems in roots and shoots are responsible for the _ of all plants, and the _ meristems are responsible for the ___ growth of woody plants.