Question 1

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-guard cells may be dumbbell shaped

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 2

Most transpiration occurs through stomata.
____________________

Accepted Answer

A) True 
 B)False

Question 3

In cactus plants, the__________ is the main organ of photosynthesis.

Accepted Answer

A)   leaf
B)   spine
C)   stem
D)   flower
E)   fruit

Question 4

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-Explain how the movement of hydrogen and potassium ions across the membranes of guard cells opens and closes the stomata.

Accepted Answer

Concepts to Consider: Light triggers H⁺ t...

Question 5

A spine is a modified branch.
____________________

Accepted Answer

A) True 
 B)False

Question 6

The spines of a cactus are actually modified:

Accepted Answer

A)   branches.
B)   stems.
C)   leaves.
D)   roots.
E)   trichomes. C

Question 7

Compound leaves have:

Accepted Answer

A)   parallel veins instead of netted veins.
B)   alternate leaf attachment instead of opposite leaf attachment.
C)   palmately netted leaves instead of pinnately netted leaves.
D)   two or more leaflets instead of a single blade.
E)   many leaves per plant instead of a single leaf per plant.

Question 8

The broad, flat part of a leaf is called the __________, while the stalk that attaches the leaf to the stem is called the __________.

Accepted Answer

A)   stipule; petiole
B)   blade; stipule
C)   stipule; axil
D)   petiole; axil
E)   blade; petiole

Question 9

Figure 34-2
Use the figure to answer the corresponding question(s) . 
-The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the:

Accepted Answer

A)   mesoderm.
B)   middle lamella.
C)   mesophyte.
D)   bundle sheath.
E)   mesophyll.

Question 10

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-exhibit palmately netted venation

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 11

Which of the following is not associated with leaf abscission?

Accepted Answer

A)   Chlorophyll breaks down.
B)   Anthocyanins accumulate.
C)   A layer of cork develops.
D)   The middle lamella is strengthened.
E)   Carotenoids become visible.

Question 12

Leaves:

Accepted Answer

A)   represent a fairly small fraction of the overall metabolic budget for a plant.
B)   depend on the roots to supply CO2.
C)   are the main photosynthetic organ of most plants.
D)   are the main site of water uptake in plants.
E)   prevent CO2 and O2 from entering the plant.

Question 13

Insectivorous plants:

Accepted Answer

A)   typically grow in nutrient-rich soil.
B)   enhance a poor supply of CO2 through capturing prey.
C)   use modified leaves to trap their prey.
D)   require symbiotic insects and insect larvae to digest their prey.
E)   require microorganisms to digest their prey.

Question 14

Modified leaves that protect meristematic tissue at the tips of woody plants are known as:

Accepted Answer

A)   bulbs.
B)   bud scales.
C)   spines.
D)   tendrils.
E)   scale scars.

Question 15

Describe the benefits of transpiration to plants.

Accepted Answer

Concepts to Consider: Transpiration is r...

Question 16

What structures provide support to the leaf and prevent it from collapsing under its own weight?

Accepted Answer

A)   palisade mesophyll and spongy mesophyll
B)   guard cells and the lower epidermis
C)   bundle sheaths and bundle sheath extensions
D)   cuticle and the upper epidermis
E)   trichomes and stipules C

Question 17

The area where the petiole detaches from the stem is referred to as the:

Accepted Answer

A)   abscission zone.
B)   middle lamella.
C)   bundle sheath extension.
D)   terminal bud.
E)   bud scale scar.

Question 18

Eudicot leaves typically have:

Accepted Answer

A)   alternately palmate venation.
B)   netted venation.
C)   parallel venation.
D)   alternately pinnate venation.
E)   no venation. B

Question 19

If a plant were placed in continual darkness, it would continue to open and close its stomata at approximately the same time each day.This phenomenon is governed by:

Accepted Answer

A)   annual rhythms.
B)   floral clocks.
C)   transpiration.
D)   temporal mechanisms.
E)   circadian rhythms.

Question 20

Figure 34-2
Use the figure to answer the corresponding question(s) . 
-The organization of tissues in Figure 34-2 is characteristic of:

Accepted Answer

A)   a stem.
B)   a spine.
C)   a leaf.
D)   a bulb.
E)   a bud scale.

Exam 34: Leaf Structure and Function

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -guard cells may be dumbbell shaped

Correct AnswerverifiedShow Answer

Most transpiration occurs through stomata. ____________________

Correct AnswerverifiedShow Answer

In cactus plants, the__________ is the main organ of photosynthesis.

Correct AnswerverifiedShow Answer

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -Explain how the movement of hydrogen and potassium ions across the membranes of guard cells opens and closes the stomata.

Correct AnswerverifiedConcepts to Consider: Light triggers H+ t...View AnswerShow Answer

A spine is a modified branch. ____________________

Correct AnswerverifiedShow Answer

The spines of a cactus are actually modified:

Correct AnswerverifiedC

Compound leaves have:

Correct AnswerverifiedShow Answer

The broad, flat part of a leaf is called the __________, while the stalk that attaches the leaf to the stem is called the __________.

Correct AnswerverifiedShow Answer

Figure 34-2 Use the figure to answer the corresponding question(s) . -The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the:

Correct AnswerverifiedShow Answer

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -exhibit palmately netted venation

Correct AnswerverifiedShow Answer

Which of the following is not associated with leaf abscission?

Correct AnswerverifiedShow Answer

Leaves:

Correct AnswerverifiedShow Answer

Insectivorous plants:

Correct AnswerverifiedShow Answer

Modified leaves that protect meristematic tissue at the tips of woody plants are known as:

Correct AnswerverifiedShow Answer

Describe the benefits of transpiration to plants.

Correct AnswerverifiedConcepts to Consider: Transpiration is r...View AnswerShow Answer

What structures provide support to the leaf and prevent it from collapsing under its own weight?

Correct AnswerverifiedC

The area where the petiole detaches from the stem is referred to as the:

Correct AnswerverifiedShow Answer

Eudicot leaves typically have:

Correct AnswerverifiedB

If a plant were placed in continual darkness, it would continue to open and close its stomata at approximately the same time each day.This phenomenon is governed by:

Correct AnswerverifiedShow Answer

Figure 34-2 Use the figure to answer the corresponding question(s) . -The organization of tissues in Figure 34-2 is characteristic of:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Concepts to Consider: Light triggers H⁺ t...
View Answer

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

The broad, flat part of a leaf is called the , while the stalk that attaches the leaf to the stem is called the .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Concepts to Consider: Transpiration is r...
View Answer

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified