Question 1

You need to identify a plant but it is winter and the leaves, flowers, fruits, are not available. Your best clue to whether it is a monocot or a eudicot is to

Accepted Answer

A)   inspect the stem for woody bark since only eudicots have woody tissue.
B)   determine if there is an apical meristem at the tip of the plant, which indicates it is a monocot.
C)   determine if the roots lack phloem and xylem, which indicates a monocot.
D)   cut the stem and if the vascular bundles are scattered in the stem, it is a monocot.
E)   cut the stem and if the vascular bundles are in a distinct ring, it is a monocot.F) A) and B)
G) A) and C)

Question 2

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) C) and E)
G) B) and C)

Question 3

The waxy material known as the Casparian strip is found on

Accepted Answer

A)   the cuticle.
B)   xylem vessels.
C)   the vascular cambium.
D)   endodermal cells.
E)   epidermal cells.F) A) and E)
G) A) and B)

Question 4

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) All of the above
G) A) and E)

Question 5

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) B) and D)

Question 6

Which cell found in phloem tissue has a nucleus?

Accepted Answer

A)   vessel element
B)   tracheids
C)   sieve-tube member
D)   guard cell
E)   companion cellF) A) and C)
G) A) and B)

Question 7

The point on a stem to which a leaf or bud is attached is termed the

Accepted Answer

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

Question 8

The function of the spongy layer of a leaf is primarily

Accepted Answer

A)   photosynthesis.
B)   gas exchange.
C)   vascular transport.
D)   protein synthesis.
E)   as a shock absorber.F) C) and D)
G) A) and E)

Question 9

The layer that makes the Casparian strip waterproof is made of

Accepted Answer

A)   meristem.
B)   cuticle.
C)   suberin and lignin.
D)   plasmodesmata.
E)   cork.F) None of the above
G) B) and D)

Question 10

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

Accepted Answer

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

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) B) and D)
G) A) and B)

Question 12

Which structure is directly associated with the terminal bud?

Accepted Answer

A)   shoot tip
B)   zone of cell division
C)   zone of maturation
D)   zone of elongation
E)   None of the answer choices is associated with the terminal bud.F) D) and E)
G) B) and D)

Question 13

Cabbage and onions come from which part of the plant?

Accepted Answer

A)   roots
B)   stems
C)   petioles
D)   leaves
E)   barkF) A) and B)
G) B) and E)

Question 14

Which of these is paired correctly?

Accepted Answer

A)   protoderm-epidermis
B)   protoderm-primary xylem
C)   ground meristem-xylem
D)   ground meristem-phloem
E)   procambium-pithF) A) and B)
G) C) and E)

Question 15

Primary growth of a stem is due to the activity of the vascular cambium.

Accepted Answer

A) True 
 B)False

Question 16

If you wanted to find mycorrhizae, what part of the plant would be the best place to look?

Accepted Answer

A)   leaves
B)   stem
C)   flower
D)   roots
E)   xylem and phloemF) A) and D)
G) D) and E)

Question 17

What type of stem is found underground; has thin, papery leaves; and a thick stem that lie dormant during the winter?

Accepted Answer

A)   corms
B)   rhizomes
C)   stolons
D)   runners
E)   nodesF) A) and E)
G) None of the above

Question 18

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) B) and C)
G) None of the above

Question 19

Which of these associations is correct?

Accepted Answer

A)   epidermal tissue-tracheids
B)   ground tissue-vessel elements
C)   vascular tissue-parenchyma
D)   vascular tissue-sieve-tube member
E)   ground tissue-peridermF) B) and C)
G) B) and D)

Question 20

Which cells are relatively unspecialized and correspond to a generalized plant cell?

Accepted Answer

A)   epidermal
B)   tracheid
C)   parenchyma
D)   sclerenchyma
E)   meristemF) None of the above
G) B) and D)

Exam 9: Plant Organization and Function

Which cells are relatively unspecialized and correspond to a generalized plant cell?

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What type of stem is found underground; has thin, papery leaves; and a thick stem that lie dormant during the winter?

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The function of the spongy layer of a leaf is primarily

Correct AnswerverifiedShow Answer

The layer that makes the Casparian strip waterproof is made of

Correct AnswerverifiedShow Answer

If you wanted to find mycorrhizae, what part of the plant would be the best place to look?

Correct AnswerverifiedShow Answer

Cabbage and onions come from which part of the plant?

Correct AnswerverifiedShow Answer

Which of these is paired correctly?

Correct AnswerverifiedShow Answer

Which cell found in phloem tissue has a nucleus?

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Which of these associations is correct?

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The waxy material known as the Casparian strip is found on

Correct AnswerverifiedShow Answer

Xylem tissue contains

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

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

Correct AnswerverifiedShow Answer

Primary growth of a stem is due to the activity of the vascular cambium.

Correct AnswerverifiedShow Answer

During the daytime, stomata in leaves

Correct AnswerverifiedShow Answer

You need to identify a plant but it is winter and the leaves, flowers, fruits, are not available. Your best clue to whether it is a monocot or a eudicot is to

Correct AnswerverifiedShow Answer

Which structure is directly associated with the terminal bud?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

The point on a stem to which a leaf or bud is attached is termed the

Correct AnswerverifiedShow Answer

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