Question 1

Looking for which of the following is useful for determining whether a plant has simple or compound leaves?

Accepted Answer

A)  Stipules 
B)  Veins 
C)  Petioles 
D)  Nodes 
E)  Axillary buds 
A)  Stipules 
B)  Veins 
C)  Petioles 
D)  Nodes 
E)  Axillary buds

Question 2

Match between columns
                        Premises: hard and pointed leaves for deterring herbivores

Accepted Answer

The Answer of tendrils and brachts and bulb and bud is...

Question 3

Figure 34-1 ​
 
Which of the following is a leaf arrangement in which two leaves grow at each node?

Accepted Answer

A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate 
A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate

Question 4

Which of the following is a leaf arrangement in which there is one leaf at each node?

Accepted Answer

A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate 
A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate

Question 5

Explain how blue light triggers the movement of hydrogen and potassium ions across the membranes of guard cells and how this causes opening and closing of the stomata.

Accepted Answer

Concepts to Consider: Explain the role o

Question 6

Which event is associated with leaf abscission?

Accepted Answer

A)  Chlorophyll breaks down. 
B)  Anthocyanins degrade. 
C)  Carotenoids are transported from the leaves. 
D)  Sugars accumulate in the leaves. 
E)  Leaves turn dark green. 
A)  Chlorophyll breaks down. 
B)  Anthocyanins degrade. 
C)  Carotenoids are transported from the leaves. 
D)  Sugars accumulate in the leaves. 
E)  Leaves turn dark green.

Question 7

A cross section of a monocot leaf typically shows veins in both cross-section and lengthwise section.

Accepted Answer

A) True 
 B)False

Question 8

Which change is most important in stomatal closing?

Accepted Answer

A)  Declining sucrose concentrations 
B)  Rising sucrose concentrations 
C)  Rising potassium concentrations 
D)  Declining potassium concentrations 
E)  Declining chloride concentrations 
A)  Declining sucrose concentrations 
B)  Rising sucrose concentrations 
C)  Rising potassium concentrations 
D)  Declining potassium concentrations 
E)  Declining chloride concentrations

Question 9

Which of the following contains dissolved sugars?

Accepted Answer

A)  Xylem 
B)  Phloem 
C)  Stoma 
D)  Mesophyll 
E)  Stipules 
A)  Xylem 
B)  Phloem 
C)  Stoma 
D)  Mesophyll 
E)  Stipules

Question 10

Most transpiration occurs through stomata.

Accepted Answer

A) True 
 B)False

Question 11

Match between columns
                        Premises: associated with inflorescences

Accepted Answer

The Answer of bracts and tendrils and bulbs and spines is...

Question 12

Match between columns
                        Premises: guard cells may be dumbbell-shaped

Accepted Answer

The Answer of eudicots and monocots is...

Question 13

A leaf without a blade is said to be sessile.

Accepted Answer

A) True 
 B)False

Question 14

Red light has a wavelength that is the most effective for triggering stomatal opening.

Accepted Answer

A) True 
 B)False

Question 15

Match between columns
                        Premises: protect delicate meristematic tissue of buds

Accepted Answer

The Answer of bulb and brachts and bud scales and is...

Question 16

Opening and closing of the stomata:

Accepted Answer

A)  occur during prolonged periods of drought. 
B)  occur when there is a high concentration of carbon dioxide in the leaf. 
C)  are under hormonal control. 
D)  are triggered by darkness. 
E)  are controlled by the changes in shape of the companion cells. 
A)  occur during prolonged periods of drought. 
B)  occur when there is a high concentration of carbon dioxide in the leaf. 
C)  are under hormonal control. 
D)  are triggered by darkness. 
E)  are controlled by the changes in shape of the companion cells.

Question 17

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

Accepted Answer

A) True 
 B)False

Question 18

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

Question 19

Match between columns
                        Premises: keep a vine attached to the structure on which it is growing

Accepted Answer

The Answer of bulbs and bracts and spines and bud is...

Question 20

Figure 34-1 ​
 
Which of the following is a leaf arrangement in which three or more leaves grow at each node?

Accepted Answer

A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate 
A)  Netted 
B)  Parallel 
C)  Whorled 
D)  Opposite 
E)  Alternate

Exam 34: Leaf Structure and Function

Looking for which of the following is useful for determining whether a plant has simple or compound leaves?

Figure 34-1 ​ Which of the following is a leaf arrangement in which two leaves grow at each node?

Which of the following is a leaf arrangement in which there is one leaf at each node?

Explain how blue light triggers the movement of hydrogen and potassium ions across the membranes of guard cells and how this causes opening and closing of the stomata.

Which event is associated with leaf abscission?

A cross section of a monocot leaf typically shows veins in both cross-section and lengthwise section.

Which change is most important in stomatal closing?

Which of the following contains dissolved sugars?

Most transpiration occurs through stomata.

A leaf without a blade is said to be sessile.

Red light has a wavelength that is the most effective for triggering stomatal opening.

Opening and closing of the stomata:

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

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

Figure 34-1 ​ Which of the following is a leaf arrangement in which three or more leaves grow at each node?

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Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

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Introduction to Darwinian Evolution

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Introduction to Ecology: Population Ecology

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Figure 34-1 Which of the following is a leaf arrangement in which two leaves grow at each node?

Figure 34-1 Which of the following is a leaf arrangement in which three or more leaves grow at each node?