Question 1

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

Accepted Answer

A)  the lateral meristem only.
B)  the apical meristem only.
C)  both the lateral and apical meristems.
D)  the bark.
E)  the nodE.F) C) and D)
G) D) and E)

Question 2

The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by

Accepted Answer

A)  hydrostatic pressure.
B)  cohesion.
C)  adhesion.
D)  hydrolysis.
E)  osmosis.F) A) and E)
G) All of the above

Question 3

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

Question 4

A waxy layer secreted by the epidermal cells of a plant is the

Accepted Answer

A)  stomatA.
B)  cuticle.
C)  guard cell.
D)  xylem.
E)  phloem.F) B) and D)
G) B) and C)

Question 5

The haustorium is a modified root that penetrates into the xylem and/or phloem of another plant.With this information,one can deduce that haustorium are roots of

Accepted Answer

A)  all photosynthetic plants.
B)  parasitic plants.
C)  carnivorous plants.
D)  mycorrhizal fungi.
E)  woody plants.F) B) and C)
G) A) and B)

Question 6

Vegetative edible plant parts include roots,fruits,stems,and tubers.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A)  in the bark
B)  just under the bark
C)  in the center
D)  in the roots
E)  All answers are correct.F) B) and E)
G) B) and D)

Question 8

-What letter corresponds to the part of the plant that supports the leaves,supplies sugar to the roots,and is located above ground?

Accepted Answer

A)  D
B)  E
C)  F
D)  A
E)  IF) A) and C)
G) A) and B)

Question 9

The water absorption rate of a plant's roots is greatly increased by

Accepted Answer

A)  the presence of many stomatA.
B)  the presence of root hairs only.
C)  both associations with mycorrhizal fungi and the presence of root hairs.
D)  association with mycorrhizal fungi only.
E)  both the presence of many stomata and root hairs.F) A) and D)
G) A) and C)

Question 10

Carbon dioxide enters a plant from the atmosphere through pores called

Accepted Answer

A)  guard cells.
B)  companion cells.
C)  sieve tubes.
D)  nodes.
E)  stomata.F) A) and B)
G) A) and C)

Question 11

The xylem and phloem are produced by the

Accepted Answer

A)  vascular cambium.
B)  sieve tube.
C)  vascular bundle.
D)  mycorrhizal fungi.
E)  companion cells.F) C) and E)
G) B) and D)

Question 12

The three main types of tissue formed by plant cells are ground tissue,dermal tissue,and vascular tissue.

Accepted Answer

A) True 
 B)False

Question 13

Throughout a growing season,a plant uses up to 1000 liters (or kg) of water to produce just 1 kilogram of tissue.What happens to most of the remaining 999 kg of water?

Accepted Answer

A)  It is used in the cytoplasm.
B)  It is used in photosynthesis.
C)  It is used in hydrolysis reactions.
D)  It evaporates (transpiration) .
E)  It passes back through the roots into the soil.F) All of the above
G) B) and D)

Question 14

-What letter corresponds to the primary location where carbohydrates such as sucrose are produced?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  GF) All of the above
G) A) and B)

Exam 21: Plant Form and Function

Carbon dioxide enters a plant from the atmosphere through pores called

Correct Answer
verified

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

Correct Answer
verified

The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by

Correct Answer
verified

Throughout a growing season,a plant uses up to 1000 liters (or kg) of water to produce just 1 kilogram of tissue.What happens to most of the remaining 999 kg of water?

Correct Answer
verified

The three main types of tissue formed by plant cells are ground tissue,dermal tissue,and vascular tissue.

Correct Answer
verified

-What letter corresponds to the primary location where carbohydrates such as sucrose are produced?

Correct Answer
verified

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 is the best explanation for this observation?

Correct Answer
verified

The xylem and phloem are produced by the

Correct Answer
verified

-What letter corresponds to the part of the plant that supports the leaves,supplies sugar to the roots,and is located above ground?

Correct Answer
verified

A waxy layer secreted by the epidermal cells of a plant is the

Correct Answer
verified

Vegetative edible plant parts include roots,fruits,stems,and tubers.

Correct Answer
verified

The haustorium is a modified root that penetrates into the xylem and/or phloem of another plant.With this information,one can deduce that haustorium are roots of

Correct Answer
verified

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

Correct Answer
verified

The water absorption rate of a plant's roots is greatly increased by

Correct Answer
verified

Exam 21: Plant Form and Function

Carbon dioxide enters a plant from the atmosphere through pores called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by

Correct AnswerverifiedShow Answer

Throughout a growing season,a plant uses up to 1000 liters (or kg) of water to produce just 1 kilogram of tissue.What happens to most of the remaining 999 kg of water?

Correct AnswerverifiedShow Answer

The three main types of tissue formed by plant cells are ground tissue,dermal tissue,and vascular tissue.

Correct AnswerverifiedShow Answer

-What letter corresponds to the primary location where carbohydrates such as sucrose are produced?

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 is the best explanation for this observation?

Correct AnswerverifiedShow Answer

The xylem and phloem are produced by the

Correct AnswerverifiedShow Answer

-What letter corresponds to the part of the plant that supports the leaves,supplies sugar to the roots,and is located above ground?

Correct AnswerverifiedShow Answer

A waxy layer secreted by the epidermal cells of a plant is the

Correct AnswerverifiedShow Answer

Vegetative edible plant parts include roots,fruits,stems,and tubers.

Correct AnswerverifiedShow Answer

The haustorium is a modified root that penetrates into the xylem and/or phloem of another plant.With this information,one can deduce that haustorium are roots of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The water absorption rate of a plant's roots is greatly increased by

Correct AnswerverifiedShow Answer

Correct Answer
verified

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verified

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