Question 1

Xylem tissue contains

Accepted Answer

A)  vessel elements and tracheids.
B)  sieve-tube members and companion cells.
C)  apical meristem.
D)  epidermis and ground tissue.
E)  parenchyma and sclerenchyma cells.F) A) and E)
G) A) and B)

Question 2

Which of the following statements is NOT true about wood?

Accepted Answer

A)  In the temperate regions,wood forms annual rings.
B)  The vessels will be larger in size in the spring due to more moisture.
C)  The wood produced in the summer will have a lower proportion of vessels than wood produced in the spring.
D)  In large trees,the most recently formed layer of cells transports water.
E)  Heartwood transports water to the leaves throughout the life of the tree.F) A) and B)
G) D) and E)

Question 3

While transplanting flowers you accidentally damaged the roots.What is the most likely scenario that will occur as a result of damage to the roots?

Accepted Answer

A)  The slimy sheath on the root cap has been wiped off and the parenchyma cells were damaged,resulting in damage to the zone of cell division.
B)  The slimy sheath on the root cap has been wiped off and the parenchyma cells were damaged,resulting in damage to the zone of elongation.
C)  The slimy sheath on the root cap has been wiped off and the parenchyma cells were damaged,resulting in damage to the zone of maturation.
D)  The slimy sheath on the root cap has been wiped off and the epidermal cells were damaged,resulting in damage to the zone of cell division.
E)  The slimy sheath on the root cap has been wiped off and the epidermal cells were damaged,resulting in damage to the zone of maturation.F) A) and E)
G) A) and B)

Question 4

Explain the difference between stolons and rhizomes.

Accepted Answer

Both are stem modifications,but stolons ...

Question 5

A stem is identified by being aboveground and green.

Accepted Answer

A) True 
 B)False

Question 6

As soon as a beautiful plant in your backyard blooms,you remove the flowers.By doing so,you have now inhibited the growth of the plant.

Accepted Answer

A) True 
 B)False

Question 7

Explain the structural differences that help a botanist differentiate between a monocot and a eudicot.

Accepted Answer

Monocots have the following structural f...

Question 8

The role of mycorrhizae is to

Accepted Answer

A)  take up and reduce atmospheric nitrogen.
B)  improve the extraction of water and minerals from the soil.
C)  store food for the plant in the fungal bodies.
D)  increase vegetative reproduction.
E)  acquire oxygen for cellular respiration in root tissues.F) C) and D)
G) B) and E)

Question 9

Which of these associations is incorrect?

Accepted Answer

A)  epidermal tissue-epidermal cell
B)  ground tissue-parenchymal cell
C)  ground tissue-tracheid
D)  vascular tissue-sieve-tube member
E)  vascular tissue-vessel elementF) C) and D)
G) B) and E)

Question 10

Which of the following is the pathway for water transport in a plant?

Accepted Answer

A)  root hairs  →\rightarrow→  cortex  →\rightarrow→ vascular cylinder  →\rightarrow→  leaves
B)  root hairs  →\rightarrow→ pith  →\rightarrow→  endodermis  →\rightarrow→  xylem  →\rightarrow→  leaves
C)  epidermis  →\rightarrow→  cortex  →\rightarrow→ phloem  →\rightarrow→  root
D)  epidermis  →\rightarrow→  pericycle  →\rightarrow→  cortex  →\rightarrow→  xylem  →\rightarrow→  leaves
E)  root hairs  →\rightarrow→  endodermis  →\rightarrow→ leaves  →\rightarrow→  xylem →\rightarrow→  pith F) A) and D)
G) A) and C)

Question 11

During the daytime,stomata in leaves

Accepted Answer

A)  protect the plant.
B)  undergo photosynthesis.
C)  manufacture carbohydrates.
D)  take in water.
E)  give off oxygen and take in carbon dioxide.F) A) and B)
G) B) and C)

Question 12

Transpiration rates will NOT vary among plants.

Accepted Answer

A) True 
 B)False

Question 13

The tissue layers of a leaf,from the upper surface to the lower surface,are

Accepted Answer

A)  epidermis,cuticle,mesophyll layer,epidermis.
B)  cuticle,epidermis,spongy mesophyll,palisade mesophyll,epidermis,cuticle.
C)  epidermis,palisade layer,spongy layer,epidermis.
D)  cuticle,epidermis,palisade mesophyll,spongy mesophyll,epidermis,cuticle.
E)  epidermis,cuticle,palisade mesophyll,spongy mesophyll,cuticle,epidermis.F) A) and E)
G) B) and E)

Question 14

The meristematic tissue used for secondary growth that is found between the xylem and phloem of each vascular bundle in eudicot stems is termed the

Accepted Answer

A)  apical meristem.
B)  root meristem.
C)  cork cambium.
D)  vascular cambium.
E)  pericycle.F) C) and D)
G) D) and E)

Question 15

Parasitic plants have specialized roots for invading a host plant's tissues.What are these roots called?

Accepted Answer

A)  adventitious
B)  taproots
C)  mycorrhizal
D)  fibrous
E)  haustoriaF) A) and C)
G) B) and D)

Question 16

Which events and features are correctly associated with the roots during the pressure-flow model of phloem transport?

Accepted Answer

A)  Sugar is stored in the sink.Cells use the sugar for cellular respiration.Water exits by osmosis and returns to the xylem.
B)  Sugars are stored in the source.Cells use the sugar for cellular respiration.Water exits by osmosis and returns to the xylem.
C)  Sugar is stored in the sink.Cells use the sugar for photosynthesis.Water exits by osmosis and returns to the xylem.
D)  Sugar is stored in the sink.Cells use the sugar for cellular respiration.Water exits by diffusion and returns to the phloem.
E)  Sugar is stored in the source.Cells use the sugar for photosynthesis.Water exits by osmosis and returns to the xylem.F) A) and D)
G) A) and E)

Question 17

You are planning to build a swimming pool in your backyard.How close can you get to the trees in your backyard without disturbing their root structure?

Accepted Answer

A)  all the way up to the trunk
B)  within a foot of the trunk
C)  up to the crown of the tree
D)  at least 2-4 times the diameter of the crown of the tree
E)  at least 10-20 times the diameter of the crown of the treeF) A) and E)
G) None of the above

Question 18

The stalk that attaches a leaf blade to a stem is a(n)

Accepted Answer

A)  bud scale.
B)  axillary bud.
C)  node.
D)  internode.
E)  petiole.F) D) and E)
G) A) and D)

Question 19

Both plants and animals have organs and tissues.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements is not correct about the arrangement of tissues in the eudicot root?

Accepted Answer

A)  The epidermis of the root consists of a single layer of cells.
B)  The specialized root tissues can be seen at the zone of maturation.
C)  The pericycle is the outer layer of cells in the vascular cylinder and has the ability to form secondary or branch roots.
D)  The Casparian strip is a waxy lining on four sides of the cells of the endodermis that regulates the movement of materials into and out of the vascular cylinder.
E)  The star-shaped phloem is located in the center of the vascular cylinder,with xylem arranged between the arms of the phloem.F) A) and B)
G) None of the above

Exam 9: Plant Organization and Function

While transplanting flowers you accidentally damaged the roots.What is the most likely scenario that will occur as a result of damage to the roots?

Correct AnswerverifiedShow Answer

You are planning to build a swimming pool in your backyard.How close can you get to the trees in your backyard without disturbing their root structure?

Correct AnswerverifiedShow Answer

The role of mycorrhizae is to

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about wood?

Correct AnswerverifiedShow Answer

Which of these associations is incorrect?

Correct AnswerverifiedShow Answer

Xylem tissue contains

Correct AnswerverifiedShow Answer

Transpiration rates will NOT vary among plants.

Correct AnswerverifiedShow Answer

Both plants and animals have organs and tissues.

Correct AnswerverifiedShow Answer

Explain the difference between stolons and rhizomes.

Correct AnswerverifiedBoth are stem modifications,but stolons ...View AnswerShow Answer

Which events and features are correctly associated with the roots during the pressure-flow model of phloem transport?

Correct AnswerverifiedShow Answer

Which of the following is the pathway for water transport in a plant?

Correct AnswerverifiedShow Answer

During the daytime,stomata in leaves

Correct AnswerverifiedShow Answer

The tissue layers of a leaf,from the upper surface to the lower surface,are

Correct AnswerverifiedShow Answer

Explain the structural differences that help a botanist differentiate between a monocot and a eudicot.

Correct AnswerverifiedMonocots have the following structural f...View AnswerShow Answer

Which of the following statements is not correct about the arrangement of tissues in the eudicot root?

Correct AnswerverifiedShow Answer

A stem is identified by being aboveground and green.

Correct AnswerverifiedShow Answer

As soon as a beautiful plant in your backyard blooms,you remove the flowers.By doing so,you have now inhibited the growth of the plant.

Correct AnswerverifiedShow Answer

The stalk that attaches a leaf blade to a stem is a(n)

Correct AnswerverifiedShow Answer

The meristematic tissue used for secondary growth that is found between the xylem and phloem of each vascular bundle in eudicot stems is termed the

Correct AnswerverifiedShow Answer

Parasitic plants have specialized roots for invading a host plant's tissues.What are these roots called?

Correct AnswerverifiedShow Answer

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Both are stem modifications,but stolons ...
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Monocots have the following structural f...
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