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.F) All of the above
G) A) and B) E

Question 2

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.F) B) and C)
G) A) and B)

Question 3

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.F) C) and D)
G) A) and B)

Question 4

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.F) A) and B)
G) A) and C)

Question 5

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.F) A) and B)
G) A) and C)

Question 6

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)   parenchymaF) B) and E)
G) A) and E) B

Question 7

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.F) B) and E)
G) A) and B)

Question 8

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)   phloemF) D) and E)
G) A) and E)

Question 9

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.F) None of the above
G) A) and B)

Question 10

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)   walnutF) A) and C)
G) A) and B) A

Question 11

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 12

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 photosynthesisF) None of the above
G) A) and E)

Question 13

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.F) D) and E)
G) B) and C)

Question 14

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)   leafF) C) and D)
G) A) and D)

Question 15

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.F) D) and E)
G) All of the above

Question 16

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)   mutualismF) All of the above
G) C) and E)

Question 17

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.F) All of the above
G) A) and C)

Question 18

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.F) D) and E)
G) C) and D)

Question 19

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)   supportF) A) and B)
G) A) and C)

Question 20

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 tissueF) C) and D)
G) None of the above

Exam 22: Plant Form and Function

The root cap (labeled item D)

Correct AnswerverifiedE

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

Correct AnswerverifiedShow Answer

Conducting cells in xylem are

Correct AnswerverifiedShow Answer

The two main parts of a leaf are the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Internodes of plants are

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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