Question 1

The pores through which leaves exchange gases with the atmosphere are

Accepted Answer

A)   epidermal cells.
B)   sieve tube elements.
C)   guard cells.
D)   petioles.
E)   stomata.F) All of the above
G) A) and B)

Question 2

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

Accepted Answer

A)   petiole.
B)   internode.
C)   anther.
D)   sieve tube.
E)   node.F) B) and E)
G) D) and E)

Question 3

Stems that grow underground and produce roots and new shoots are

Accepted Answer

A)   rhizomes.
B)   always parasitic.
C)   stomata.
D)   tubers.
E)   tendrils.F) B) and E)
G) B) and D)

Question 4

You drive a nail into a tree that is 10 feet tall,and come back 10 years later.The tree is now 30 feet tall,but the nail is the same distance from the ground.This is because the tree grows up from

Accepted Answer

A)   the apical meristem only.
B)   the lateral meristem only.
C)   both the lateral and apical meristems.
D)   the soil line.
E)   the node.F) B) and E)
G) All of the above

Question 5

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 B)
G) C) and D)

Question 6

If you were observing a root every few days and saw that it enlarged and persisted throughout the life of the plant,you would be looking at a

Accepted Answer

A)   fibrous root.
B)   companion root.
C)   rhizome.
D)   stoma.
E)   taproot.F) A) and C)
G) All of the above

Question 7

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) C) and E)
G) B) and D)

Question 8

The tissue that produces cells to thicken a root or stem is the

Accepted Answer

A)   apical meristem.
B)   epidermis.
C)   cortex.
D)   lateral meristem.
E)   None of the answer choices are correct.F) A) and B)
G) B) and E)

Question 9

"P" is the chemical symbol for

Accepted Answer

A)   nickel.
B)   potassium.
C)   plutonium.
D)   phosphorus.
E)   copper.F) A) and B)
G) None of the above

Question 10

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

Accepted Answer

A)   tracheid.
B)   meristem.
C)   guard cell.
D)   cortex.
E)   mesophyll.F) A) and B)
G) C) and E)

Question 11

Nutrients that an organism needs in fairly large amounts are referred to as

Accepted Answer

A)   total nutrients.
B)   macronutrients.
C)   micronutrients.
D)   solid nutrients.
E)   essential nutrients.F) D) and E)
G) A) and E)

Question 12

Which two seasons would contribute to tree rings in a deciduous tree found in the north?

Accepted Answer

A)   spring and summer
B)   spring and fall
C)   winter and spring
D)   winter and summer
E)   summer and fallF) A) and B)
G) A) and C)

Question 13

If water were being pushed from below,air bubbles in the xylem stream would not pose a problem.However,the observation that air bubbles can interrupt xylem function provides important evidence supporting the ________ theory of water movement.

Accepted Answer

A)   gravity-suction
B)   active transport
C)   pressure-flow
D)   osmotic
E)   cohesion-tensionF) All of the above
G) B) and D)

Question 14

Monocots have taproots while eudicots have fibrous roots.

Accepted Answer

A) True 
 B)False

Question 15

You are given a sample of stem tissue to analyze and told that it comes from a plant growing actively in the summer.Chemical analysis shows that it contains abundant sucrose.You would guess that the tissue was xylem.

Accepted Answer

A) True 
 B)False

Question 16

In the pressure flow theory,any part of a plant that does not carry out photosynthesis is a

Accepted Answer

A)   source.
B)   sink.
C)   reservoir.
D)   aqueduct.
E)   companion cell.F) A) and C)
G) A) and B)

Question 17

If asked how nitrogen becomes available to plants,you would point downward,since nitrogen enters plants through their

Accepted Answer

A)   stomata.
B)   leaves.
C)   roots.
D)   roots and leaves.
E)   stomata and leaves.F) B) and C)
G) A) and E)

Question 18

Which will not increase the rate of transpiration in a plant?

Accepted Answer

A)   high humidity
B)   low humidity
C)   high wind speeds
D)   high temperature
E)   All answers are correct.F) A) and C)
G) A) and E)

Question 19

If you want to make maple syrup,you have to extract sugary syrup from a stem tissue,so you would tap the ________ tissue.

Accepted Answer

A)   phloem
B)   guard cells
C)   xylem
D)   epidermis
E)   stomataF) A) and B)
G) A) and C)

Question 20

A potato stores a lot of starch.Which tissue 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 B)
G) B) and E)

Exam 21: Plant Form and Function

In the pressure flow theory,any part of a plant that does not carry out photosynthesis is a

Correct AnswerverifiedShow Answer

Which two seasons would contribute to tree rings in a deciduous tree found in the north?

Correct AnswerverifiedShow Answer

Which will not increase the rate of transpiration in a plant?

Correct AnswerverifiedShow Answer

You drive a nail into a tree that is 10 feet tall,and come back 10 years later.The tree is now 30 feet tall,but the nail is the same distance from the ground.This is because the tree grows up from

Correct AnswerverifiedShow Answer

The pores through which leaves exchange gases with the atmosphere are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Stems that grow underground and produce roots and new shoots are

Correct AnswerverifiedShow Answer

Nutrients that an organism needs in fairly large amounts are referred to as

Correct AnswerverifiedShow Answer

"P" is the chemical symbol for

Correct AnswerverifiedShow Answer

If you want to make maple syrup,you have to extract sugary syrup from a stem tissue,so you would tap the ________ tissue.

Correct AnswerverifiedShow Answer

If you were observing a root every few days and saw that it enlarged and persisted throughout the life of the plant,you would be looking at a

Correct AnswerverifiedShow Answer

Monocots have taproots while eudicots have fibrous roots.

Correct AnswerverifiedShow Answer

You are given a sample of stem tissue to analyze and told that it comes from a plant growing actively in the summer.Chemical analysis shows that it contains abundant sucrose.You would guess that the tissue was xylem.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If water were being pushed from below,air bubbles in the xylem stream would not pose a problem.However,the observation that air bubbles can interrupt xylem function provides important evidence supporting the ________ theory of water movement.

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

The tissue that produces cells to thicken a root or stem is the

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

If asked how nitrogen becomes available to plants,you would point downward,since nitrogen enters plants through their

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified