Question 1

The roots of many plants have a relationship with fungi called

Accepted Answer

A)  root nodules.
B)  root hairs.
C)  trichomes.
D)  adventitious roots.
E)  mycorrhizae.F) B) and D)
G) A) and B)

Question 2

Beans,peas,and other legumes have root nodules that are caused by ____ and have the role of

Accepted Answer

A)  bacteria; taking up and reducing atmospheric nitrogen.
B)  bacteria; improving the extraction of water and minerals from the soil.
C)  fungi; storing food for the plant in the fungal bodies.
D)  fungi; improving the extraction of water and minerals from the soil.
E)  fungi; taking up and reducing atmospheric nitrogen.F) A) and B)
G) D) and E)

Question 3

Sugars are conducted through plant tissues by the

Accepted Answer

A)  xylem.
B)  phloem.
C)  epidermis.
D)  trichomes.
E)  procambium.F) B) and C)
G) A) and E)

Question 4

Which of the following is NOT true about the cohesion-tension model of water transport?

Accepted Answer

A)  Water must completely fill the pipeline.
B)  Water molecules attract one another.
C)  Transpiration exerts a tension as water evaporates from leaves.
D)  Water is transported in the phloem.
E)  Water must be attracted to the sides of the xylem.F) B) and E)
G) B) and D)

Question 5

Stomata

Accepted Answer

A)  are usually found in the upper epidermis of a leaf.
B)  are surrounded by four guard cells.
C)  function for primary growth.
D)  function in secondary growth.
E)  allow gas exchange.F) None of the above
G) A) and D)

Question 6

Most of the water obtained by a plant enters through the

Accepted Answer

A)  cambium layer.
B)  palisade cells.
C)  root hairs.
D)  stomata.
E)  bark.F) D) and E)
G) B) and D)

Question 7

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 B)
G) A) and C)

Question 8

The vascular tissue in the leaf is referred to as a

Accepted Answer

A)  vascular bundle.
B)  vascular cylinder.
C)  vein.
D)  vascular pit.
E)  vascular cambium.F) A) and C)
G) A) and D)

Question 9

Which statement about leaves is NOT correct?

Accepted Answer

A)  The photosynthetic mesophyll is made up of an upper spongy layer and a lower palisade layer.
B)  The epidermis is covered by a waxy layer of cuticle that reduces water loss.
C)  Gas exchange occurs through tiny openings in the leaf surface called stomata.
D)  Vascular tissue is arranged in a net pattern in eudicots and a parallel pattern in monocots.
E)  Regulation of gas exchange through the leaf is the responsibility of the guard cells.F) None of the above
G) A) and B)

Question 10

What organic substance makes the walls of sclerenchyma cells tough and hard?

Accepted Answer

A)  suberin
B)  stomata
C)  trichomes
D)  cuticle
E)  ligninF) C) and E)
G) A) and C)

Question 11

Wood is composed of

Accepted Answer

A)  cork.
B)  cork cambium.
C)  secondary phloem.
D)  secondary xylem.
E)  sieve-tube members.F) C) and D)
G) A) and B)

Question 12

The cells that make up xylem are no longer living.

Accepted Answer

A) True 
 B)False

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) C) and D)

Question 14

Which of these associations is incorrect?

Accepted Answer

A)  epidermal cell--protection
B)  stomata--gas exchange
C)  sclerenchyma cells--cell division
D)  sieve-tube members--sugar transport
E)  xylem cells--water transportF) None of the above
G) C) and D)

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is a reproductive structure of a plant?

Accepted Answer

A)  roots
B)  stems
C)  flowers
D)  leaves
E)  shoot systemF) B) and E)
G) None of the above

Question 17

Which association is incorrect?

Accepted Answer

A)  vessel element--xylem
B)  guard cells--epidermis
C)  parenchyma--ground tissue
D)  sieve-tube member--bark
E)  cuticle--epidermisF) A) and E)
G) B) and E)

Question 18

Which of the following is not one of the zones found in a growing root?

Accepted Answer

A)  epidermis
B)  elongation
C)  cell division
D)  maturation
E)  None of the answer choices is found in growing roots.F) A) and E)
G) C) and D)

Question 19

If you wanted to grow a new plant in the laboratory with the appropriate technology,which tissue type would you not start with?

Accepted Answer

A)  companion cells
B)  parenchyma cells
C)  sieve-tube members
D)  epidermis
E)  meristemF) None of the above
G) A) and E)

Question 20

The iris is a plant with long,sword-like leaves.Its flowers have six petals that form a tongue and "flags." When you cut through the stem to cut flowers for a bouquet arrangement,the many vascular bundles form tough "strings" throughout the stem.From this description,it is obvious that the iris is a

Accepted Answer

A)  woody plant.
B)  combination of monocot and eudicot traits.
C)  monocotyledon.
D)  eudicotyledon.
E)  primitive plant that has not yet evolved to have either monocot or eudicot features.F) A) and D)
G) B) and D)

Exam 9: Plant Organization and Function

Most of the water obtained by a plant enters through the

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Which statement about leaves is NOT correct?

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If you wanted to grow a new plant in the laboratory with the appropriate technology,which tissue type would you not start with?

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

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Which of the following is a reproductive structure of a plant?

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Which association is incorrect?

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Which of the following is not one of the zones found in a growing root?

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Beans,peas,and other legumes have root nodules that are caused by ____ and have the role of

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Stomata

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Which of these associations is incorrect?

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The vascular tissue in the leaf is referred to as a

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The roots of many plants have a relationship with fungi called

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Which cell found in phloem tissue has a nucleus?

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Sugars are conducted through plant tissues by the

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What organic substance makes the walls of sclerenchyma cells tough and hard?

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Cabbage and onions come from which part of the plant?

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Which of the following is NOT true about the cohesion-tension model of water transport?

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Wood is composed of

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The cells that make up xylem are no longer living.

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