Question 1

The root cap (labeled item D)

Accepted Answer

A)  secretes a lubricant for the growing root. 
B)  is located at the tip of the root. 
C)  plays a role in sensing gravity. 
D)  protects the meristem from abrasion. 
E)  All of the answer choices are correct. 
A)  secretes a lubricant for the growing root. 
B)  is located at the tip of the root. 
C)  plays a role in sensing gravity. 
D)  protects the meristem from abrasion. 
E)  All of the answer choices are correct. E

Question 2

The type of plant cell that provides rigid support and is dead at maturity is a _____ cell.

Accepted Answer

A)  collenchyma 
B)  sclerenchyma 
C)  guard 
D)  sieve tube 
E)  parenchyma 
A)  collenchyma 
B)  sclerenchyma 
C)  guard 
D)  sieve tube 
E)  parenchyma B

Question 3

Which of the following is neither a fruit nor another edible reproductive part of a plant?

Accepted Answer

A)  celery 
B)  corn 
C)  broccoli 
D)  tomato 
E)  walnut 
A)  celery 
B)  corn 
C)  broccoli 
D)  tomato 
E)  walnut A

Question 4

The epidermis of a plant leaf is usually many layers thick and carries out most of the photosynthesis in a leaf.

Accepted Answer

A) True 
 B)False

Question 5

The key contrast in comparison between a simple leaf and a compound leaf is that

Accepted Answer

A)  a leaf blade is the only structure of a simple leaf, while compound leaves have leaflets. 
B)  there are no stomata in the simple leaves, but there are stomata in compound leaves. 
C)  simple leaves have xylem only, while compound leaves have both xylem and phloem. 
D)  parallel veins are in the simple leaves, while compound leaves have netlike veins. 
E)  petioles are absent on simple leaves. 
A)  a leaf blade is the only structure of a simple leaf, while compound leaves have leaflets. 
B)  there are no stomata in the simple leaves, but there are stomata in compound leaves. 
C)  simple leaves have xylem only, while compound leaves have both xylem and phloem. 
D)  parallel veins are in the simple leaves, while compound leaves have netlike veins. 
E)  petioles are absent on simple leaves.

Question 6

In a woody stem,xylem and phloem are produced by the

Accepted Answer

A)  vascular bundle. 
B)  companion cells. 
C)  sieve tube. 
D)  casparian strip. 
E)  vascular cambium. 
A)  vascular bundle. 
B)  companion cells. 
C)  sieve tube. 
D)  casparian strip. 
E)  vascular cambium.

Question 7

How did the researchers in Investigating Life 22.5 conduct their experiment studying "ant plants?"

Accepted Answer

A)  They used drops of glue to exclude tramp ants from some leaves. 
B)  They sprayed some leaves with insecticide. 
C)  They removed the nectar from some leaves. 
D)  They picked other insects off of some leaves. 
E)  They picked the tramp ants off of some leaves. 
A)  They used drops of glue to exclude tramp ants from some leaves. 
B)  They sprayed some leaves with insecticide. 
C)  They removed the nectar from some leaves. 
D)  They picked other insects off of some leaves. 
E)  They picked the tramp ants off of some leaves.

Question 8

A potato stores a lot of starch.Which of the following tissues would you expect to be most abundant in a potato?

Accepted Answer

A)  equal amounts of dermal and ground tissue 
B)  ground tissue 
C)  vascular tissue 
D)  dermal tissue 
E)  equal amounts of dermal and vascular tissue 
A)  equal amounts of dermal and ground tissue 
B)  ground tissue 
C)  vascular tissue 
D)  dermal tissue 
E)  equal amounts of dermal and vascular tissue

Question 9

Apoptosis is Greek for "dropping off" and refers to the programmed cell death of cells that attach the petiole to the stem.When these cells die in the fall,the leaves drop.Cells in which part of the plant are undergoing apoptosis?

Accepted Answer

A)  intercalary meristem 
B)  apical meristem 
C)  node 
D)  lateral meristem 
E)  leaf 
A)  intercalary meristem 
B)  apical meristem 
C)  node 
D)  lateral meristem 
E)  leaf

Question 10

Internodes of plants are

Accepted Answer

A)  located on the roots. 
B)  located on the stems. 
C)  dormant periods of time between rapid growth stages. 
D)  periods of time between releasing of pollen. 
E)  located on the male flower parts. 
A)  located on the roots. 
B)  located on the stems. 
C)  dormant periods of time between rapid growth stages. 
D)  periods of time between releasing of pollen. 
E)  located on the male flower parts.

Question 11

In their studies of "ant plants," the scientists in Investigating Life 22.5 were testing what hypothesis?

Accepted Answer

A)  The tramp ants promote fruit production in trees with the domatia. 
B)  Other species of ants were competing with the tramp ants for nectar. 
C)  The tramp ants were pollinating the trees. 
D)  Trees in good locations have enough energy to both produce food and feed ants. 
E)  The tramp ants were parasites eating nectar from the trees. 
A)  The tramp ants promote fruit production in trees with the domatia. 
B)  Other species of ants were competing with the tramp ants for nectar. 
C)  The tramp ants were pollinating the trees. 
D)  Trees in good locations have enough energy to both produce food and feed ants. 
E)  The tramp ants were parasites eating nectar from the trees.

Question 12

The ecological relationship between Humboldtia brunonis and Technomyrmex albipes,described in Investigating Life 22.5,is which of the following?

Accepted Answer

A)  predation 
B)  parasitism 
C)  competition 
D)  commensalism 
E)  mutualism 
A)  predation 
B)  parasitism 
C)  competition 
D)  commensalism 
E)  mutualism

Question 13

The two main parts of a leaf are the

Accepted Answer

A)  blade and petiole. 
B)  node and internode. 
C)  axillary bud and blade. 
D)  blade and fruit. 
E)  node and axillary bud. 
A)  blade and petiole. 
B)  node and internode. 
C)  axillary bud and blade. 
D)  blade and fruit. 
E)  node and axillary bud.

Question 14

Which of the following is not a function of a plant stem?

Accepted Answer

A)  storage of water 
B)  protection from predators 
C)  production of pollen 
D)  storage of starch 
E)  support 
A)  storage of water 
B)  protection from predators 
C)  production of pollen 
D)  storage of starch 
E)  support

Question 15

The pores through which leaves exchange atmospheric gases with leaf cells for photosynthesis are

Accepted Answer

A)  stomata. 
B)  sieve tube elements. 
C)  guard cells. 
D)  epidermal cells. 
E)  petioles. 
A)  stomata. 
B)  sieve tube elements. 
C)  guard cells. 
D)  epidermal cells. 
E)  petioles.

Question 16

Regarding Investigating Life 22.5,how would the young leaves obtain the sugary nectar that the ants eat?

Accepted Answer

A)  from the ants 
B)  from their fruits 
C)  through their roots 
D)  by respiration 
E)  by photosynthesis 
A)  from the ants 
B)  from their fruits 
C)  through their roots 
D)  by respiration 
E)  by photosynthesis

Question 17

You drive a nail into a tree that is 10 feet tall,so that 5 inches of the nail are showing.You come back 10 years later.The tree is now 30 feet tall and only 3 inches of the nail are showing.This is because the tree grows out from the

Accepted Answer

A)  root tip. 
B)  node. 
C)  apical meristem. 
D)  intercalary meristem. 
E)  lateral meristem. 
A)  root tip. 
B)  node. 
C)  apical meristem. 
D)  intercalary meristem. 
E)  lateral meristem.

Question 18

The _____ transports water and dissolved minerals from the roots of the plant to the shoots of the plant.

Accepted Answer

A)  stomata 
B)  epidermis 
C)  guard cells 
D)  xylem 
E)  phloem 
A)  stomata 
B)  epidermis 
C)  guard cells 
D)  xylem 
E)  phloem

Question 19

Conducting cells in xylem are

Accepted Answer

A)  tracheids. 
B)  vessel elements. 
C)  tracheids and vessel elements. 
D)  tracheids and sieve tube elements. 
E)  sieve tube elements. 
A)  tracheids. 
B)  vessel elements. 
C)  tracheids and vessel elements. 
D)  tracheids and sieve tube elements. 
E)  sieve tube elements.

Question 20

The main difference between adventitious roots and other root types is that

Accepted Answer

A)  there is no woody or starch storage tissue within the adventitious roots. 
B)  adventitious roots do not conduct water or nutrients for the plant, as do other specialized root types. 
C)  other specialized root types do not provide the same advantages as adventitious roots. 
D)  None of these answer options are correct. 
E)  adventitious roots are formed from any part of the plant other than the root. 
A)  there is no woody or starch storage tissue within the adventitious roots. 
B)  adventitious roots do not conduct water or nutrients for the plant, as do other specialized root types. 
C)  other specialized root types do not provide the same advantages as adventitious roots. 
D)  None of these answer options are correct. 
E)  adventitious roots are formed from any part of the plant other than the root.

Exam 22: Plant Form and Function

The root cap (labeled item D)

The type of plant cell that provides rigid support and is dead at maturity is a _____ cell.

Which of the following is neither a fruit nor another edible reproductive part of a plant?

The epidermis of a plant leaf is usually many layers thick and carries out most of the photosynthesis in a leaf.

The key contrast in comparison between a simple leaf and a compound leaf is that

In a woody stem,xylem and phloem are produced by the

How did the researchers in Investigating Life 22.5 conduct their experiment studying "ant plants?"

A potato stores a lot of starch.Which of the following tissues would you expect to be most abundant in a potato?

Apoptosis is Greek for "dropping off" and refers to the programmed cell death of cells that attach the petiole to the stem.When these cells die in the fall,the leaves drop.Cells in which part of the plant are undergoing apoptosis?

Internodes of plants are

In their studies of "ant plants," the scientists in Investigating Life 22.5 were testing what hypothesis?

The ecological relationship between Humboldtia brunonis and Technomyrmex albipes,described in Investigating Life 22.5,is which of the following?

The two main parts of a leaf are the

Which of the following is not a function of a plant stem?

The pores through which leaves exchange atmospheric gases with leaf cells for photosynthesis are

Regarding Investigating Life 22.5,how would the young leaves obtain the sugary nectar that the ants eat?

You drive a nail into a tree that is 10 feet tall,so that 5 inches of the nail are showing.You come back 10 years later.The tree is now 30 feet tall and only 3 inches of the nail are showing.This is because the tree grows out from the

The _____ transports water and dissolved minerals from the roots of the plant to the shoots of the plant.

Conducting cells in xylem are

The main difference between adventitious roots and other root types is that

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