Question 1

The point at which one or more leaves attach to the stem of a plant is a:

Accepted Answer

A)  Petiole
B)  Internode
C)  Axillary bud
D)  Sieve plate
E)  NodeF) D) and E)
G) B) and D)

Question 2

The source of a plant's new cells is a type of plant tissue called its:

Accepted Answer

A)  Tracheid
B)  Meristem
C)  Protostem
D)  Cortex
E)  MesophyllF) B) and D)
G) A) and D)

Question 3

A tomato,squash,or bean would be considered a fruit for which reason?

Accepted Answer

A)  They contain seeds from a flowering plant
B)  They were produced by a flowering plant
C)  They can have a color other than green
D)  They grow above the ground
E)  They can be eaten rawF) B) and D)
G) C) and D)

Question 4

The primary root of a plant that enlarges and persists throughout the life of the plant is:

Accepted Answer

A)  A fibrous root
B)  A companion root
C)  Rhizome
D)  Stolon
E)  A taprootF) All of the above
G) C) and D)

Question 5

Tree rings represent growth during wet and dry periods of the year.In a deciduous tree found in the north,which two seasons would contribute to tree rings?

Accepted Answer

A)  Spring and summer
B)  Spring and fall
C)  Winter and spring
D)  Winter and summer
E)  Summer and fallF) A) and D)
G) A) and E)

Question 6

Herbaceous plants are those that contain little or no woody tissue.

Accepted Answer

A) True 
 B)False

Question 7

The main phloem conducting cells are:

Accepted Answer

A)  Tracheids
B)  Companion cells
C)  Sieve tube elements
D)  Vessel elements
E)  StomataF) A) and E)
G) A) and D)

Question 8

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Which of the following is the best explanation for this observation?

Accepted Answer

A)  The phloem was cut, so water and nutrients cannot be taken up to the leaves
B)  The xylem was cut, so sugars cannot be transported to the roots
C)  The xylem was cut, so water and nutrients cannot be taken up to the leaves
D)  Cutting the bark allows access to pathogens that kill the tree
E)  The phloem was cut, so sugars cannot be transported to the rootsF) A) and E)
G) A) and B)

Question 9

Where would you expect to find sapwood in a cross section of a tree trunk?

Accepted Answer

A)  In the center
B)  Just under the bark
C)  In the periderm
D)  In the bark
E)  In the rootsF) B) and D)
G) A) and B)

Question 10

Apoptosis is Greek for "dropping off" and refers to the programmed cell death of cells that attach the leaf to a stem.If you cut a branch in the summer,the leaves will not fall off in the autumn.What can you conclude from this observation?

Accepted Answer

A)  The leaves are normally killed by substances that come from the trunk of the tree
B)  The leaves must be alive to go through apoptosis
C)  The branch does not need to get rid of leaves if it is cut off
D)  Once cut, the branch no longer can sense what season it is in
E)  The sap from the leaf can no longer move down the xylem to the trunk of the treeF) A) and B)
G) A) and C)

Question 11

The cells that surround each stoma and control its opening and closing are:

Accepted Answer

A)  Sieve tube cells
B)  Vascular cells
C)  Companion cells
D)  Pith cells
E)  Guard cellsF) B) and E)
G) B) and C)

Question 12

The primary organ of photosynthesis in a plant is the:

Accepted Answer

A)  Leaf
B)  Stomata
C)  Bark
D)  Stem
E)  ChlorophyllF) A) and E)
G) C) and D)

Question 13

Conducting cells in xylem are:

Accepted Answer

A)  Sieve tube elements
B)  Tracheids
C)  Tracheids and vessel elements
D)  Vessel elements
E)  Tracheids and sieve tube elementsF) A) and B)
G) B) and E)

Question 14

The ________________ transports dissolved organic compounds such as sugars from the leaves throughout the plant.

Accepted Answer

A)  Phloem
B)  Guard cells
C)  Xylem
D)  Epidermis
E)  StomataF) None of the above
G) A) and D)

Question 15

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

Accepted Answer

A)  The vascular bundles are in a ring just under the bark
B)  The vascular bundles are scattered throughout the ground tissue
C)  Monocots don't have vascular bundles
D)  Eudicots don't have vascular bundles
E)  Grasses have taprootsF) B) and E)
G) C) and D)

Question 16

When preparing slides to look at mitosis,the tips of onion roots are a good source.This is because the tip of the root is which of the following?

Accepted Answer

A)  The vascular tissue
B)  The dermal tissue
C)  The pericycle
D)  The apical meristem
E)  The endodermisF) C) and D)
G) A) and C)

Question 17

If a plant exhibits determinate growth the plant:

Accepted Answer

A)  Continues to grow until the environment determines that it cannot
B)  Produces auxiliary roots to help stabilize the plant
C)  Sends out tendrils to support the plant
D)  Stops growing when the plant reaches its mature size
E)  Produces seeds only at one time during its lifeF) A) and E)
G) C) and D)

Question 18

Compound leaves are defined as being divided into:

Accepted Answer

A)  Blades
B)  Companion cells
C)  Leaflets
D)  Stomata
E)  Lateral meristemsF) B) and E)
G) B) and D)

Question 19

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)  Dermal tissue
B)  Vascular tissue
C)  Ground tissue
D)  Equal amounts of ground and dermal tissue
E)  Equal amounts of dermal and vascular tissueF) A) and E)
G) None of the above

Question 20

Root hairs greatly increase the absorptive surface area of a root.

Accepted Answer

A) True 
 B)False

Exam 21: Plant Form and Function

When preparing slides to look at mitosis,the tips of onion roots are a good source.This is because the tip of the root is which of the following?

Correct AnswerverifiedShow Answer

Root hairs greatly increase the absorptive surface area of a root.

Correct AnswerverifiedShow Answer

The cells that surround each stoma and control its opening and closing are:

Correct AnswerverifiedShow Answer

If a plant exhibits determinate growth the plant:

Correct AnswerverifiedShow Answer

The source of a plant's new cells is a type of plant tissue called its:

Correct AnswerverifiedShow Answer

Conducting cells in xylem are:

Correct AnswerverifiedShow Answer

Herbaceous plants are those that contain little or no woody tissue.

Correct AnswerverifiedShow Answer

Apoptosis is Greek for "dropping off" and refers to the programmed cell death of cells that attach the leaf to a stem.If you cut a branch in the summer,the leaves will not fall off in the autumn.What can you conclude from this observation?

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

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Which of the following is the best explanation for this observation?

Correct AnswerverifiedShow Answer

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

Correct AnswerverifiedShow Answer

The primary root of a plant that enlarges and persists throughout the life of the plant is:

Correct AnswerverifiedShow Answer

A tomato,squash,or bean would be considered a fruit for which reason?

Correct AnswerverifiedShow Answer

Tree rings represent growth during wet and dry periods of the year.In a deciduous tree found in the north,which two seasons would contribute to tree rings?

Correct AnswerverifiedShow Answer

The main phloem conducting cells are:

Correct AnswerverifiedShow Answer

The point at which one or more leaves attach to the stem of a plant is a:

Correct AnswerverifiedShow Answer

The ________________ transports dissolved organic compounds such as sugars from the leaves throughout the plant.

Correct AnswerverifiedShow Answer

Where would you expect to find sapwood in a cross section of a tree trunk?

Correct AnswerverifiedShow Answer

Compound leaves are defined as being divided into:

Correct AnswerverifiedShow Answer

The primary organ of photosynthesis in a plant is the:

Correct AnswerverifiedShow Answer

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