Question 1

Which of the following would you not find in mature secondary xylem?

Accepted Answer

A) vascular rays 
B) parenchyma cells 
C) summerwood 
D) cortex 
E) More than one of these are correct. 
A) vascular rays 
B) parenchyma cells 
C) summerwood 
D) cortex 
E) More than one of these are correct. D

Question 2

Which of the following structures is found in an herbaceous dicot root but not in a monocot root?

Accepted Answer

A) epidermis 
B) endodermis 
C) cortex 
D) pericycle 
E) All of these structures are found in both herbaceous dicot roots and monocot roots. 
A) epidermis 
B) endodermis 
C) cortex 
D) pericycle 
E) All of these structures are found in both herbaceous dicot roots and monocot roots. D

Question 3

What is the function of the Casparian strip?

Accepted Answer

A) Maximizes photosynthesis. 
B) Conducts sugars to the cortex. 
C) Regulates the flow of water and minerals into the xylem. 
D) Converts sugar into starch. 
E) Prevents water from entering the epidermis. 
A) Maximizes photosynthesis. 
B) Conducts sugars to the cortex. 
C) Regulates the flow of water and minerals into the xylem. 
D) Converts sugar into starch. 
E) Prevents water from entering the epidermis. C

Question 4

The stalk that supports the blade of a leaf is the petiole.

Accepted Answer

A) True 
 B)False

Question 5

Palisade cells of a leaf primarily regulate gas exchange between the plant and the surrounding atmosphere.

Accepted Answer

A) True 
 B)False

Question 6

Vegetative organs of the plant body include roots,stems,and leaves,but not flowers.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following cells regulate the opening and closing of stomata?

Accepted Answer

A) companion cells 
B) trichomes 
C) guard cells 
D) vessel elements 
E) tracheids 
A) companion cells 
B) trichomes 
C) guard cells 
D) vessel elements 
E) tracheids

Question 8

The leaves of corn (Zea mays)exhibit parallel venation.Corn is classified as which of the following?

Accepted Answer

A) herbaceous dicot 
B) woody dicot 
C) conifer 
D) monocot 
E) fern 
A) herbaceous dicot 
B) woody dicot 
C) conifer 
D) monocot 
E) fern

Question 9

Whereas the cortex of an herbaceous dicot root is between the epidermis and ________,the cortex of an herbaceous dicot stem is between the epidermis and the ________.

Accepted Answer

The answer of Whereas the cortex of an herbaceous dicot...

Question 10

Taproot systems have one large main root and many smaller branch roots.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not a correct association?

Accepted Answer

A) Epidermis :: protection 
B) Periderm :: protection 
C) Collenchyma :: support 
D) Xylem :: water conduction and support 
E) Sclerenchyma :: photosynthesis and storage 
A) Epidermis :: protection 
B) Periderm :: protection 
C) Collenchyma :: support 
D) Xylem :: water conduction and support 
E) Sclerenchyma :: photosynthesis and storage

Question 12

How do sieve tube member (stm)cells differ from tracheids?

Accepted Answer

A) stm cells occur in angiosperms;tracheids only occur in gymnosperms 
B) stm cells function as living cells;tracheids function as dead cells 
C) stm cells lack a companion cell;tracheids have a companion cell 
D) stm cells have secondary cell walls;tracheids have only a primary cell wall 
E) stm cells are found in vascular rays;tracheids are found only in parenchyma 
A) stm cells occur in angiosperms;tracheids only occur in gymnosperms 
B) stm cells function as living cells;tracheids function as dead cells 
C) stm cells lack a companion cell;tracheids have a companion cell 
D) stm cells have secondary cell walls;tracheids have only a primary cell wall 
E) stm cells are found in vascular rays;tracheids are found only in parenchyma

Question 13

What primary tissue composes most of the cortex of an herbaceous stem?

Accepted Answer

A) sclerenchyma 
B) collenchyma 
C) parenchyma 
D) primary phloem 
E) primary xylem 
A) sclerenchyma 
B) collenchyma 
C) parenchyma 
D) primary phloem 
E) primary xylem

Question 14

The conducting cells of xylem are ________ and ________.

Accepted Answer

A) tracheids;companion cells 
B) phloem;tracheids 
C) companion cells;sieve tube members 
D) tracheids;vessel elements 
E) none of the above are correct 
A) tracheids;companion cells 
B) phloem;tracheids 
C) companion cells;sieve tube members 
D) tracheids;vessel elements 
E) none of the above are correct

Question 15

Which of the following gives rise to leaves?

Accepted Answer

A) cork cambium 
B) vascular cambium 
C) apical meristem 
D) more than one of these gives rise to leaves 
E) None of the above are correct. 
A) cork cambium 
B) vascular cambium 
C) apical meristem 
D) more than one of these gives rise to leaves 
E) None of the above are correct.

Question 16

Leaves are usually the primary (but not the only)photosynthetic structures in plants.

Accepted Answer

A) True 
 B)False

Question 17

To what cells are companion cells actually "companions"?

Accepted Answer

A) sieve tube members 
B) tracheids 
C) vessel elements 
D) epidermal cells 
E) more than one of these 
A) sieve tube members 
B) tracheids 
C) vessel elements 
D) epidermal cells 
E) more than one of these

Question 18

Celery and rhubarb are which of the following?

Accepted Answer

A) leaflets 
B) petioles 
C) stems 
D) vines 
E) fruits 
A) leaflets 
B) petioles 
C) stems 
D) vines 
E) fruits

Question 19

When there are two leaves at a node,the leaf arrangement is called compound.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following choices is not a zone of the root tip?

Accepted Answer

A) apical meristem 
B) zone of elongation 
C) zone of maturation 
D) vascular cylinder 
E) zone of cell division 
A) apical meristem 
B) zone of elongation 
C) zone of maturation 
D) vascular cylinder 
E) zone of cell division

Exam 3: The Plant Body

Which of the following would you not find in mature secondary xylem?

Which of the following structures is found in an herbaceous dicot root but not in a monocot root?

What is the function of the Casparian strip?

The stalk that supports the blade of a leaf is the petiole.

Palisade cells of a leaf primarily regulate gas exchange between the plant and the surrounding atmosphere.

Vegetative organs of the plant body include roots,stems,and leaves,but not flowers.

Which of the following cells regulate the opening and closing of stomata?

The leaves of corn (Zea mays)exhibit parallel venation.Corn is classified as which of the following?

Whereas the cortex of an herbaceous dicot root is between the epidermis and ________,the cortex of an herbaceous dicot stem is between the epidermis and the ________.

Taproot systems have one large main root and many smaller branch roots.

Which of the following is not a correct association?

How do sieve tube member (stm)cells differ from tracheids?

What primary tissue composes most of the cortex of an herbaceous stem?

The conducting cells of xylem are ________ and ________.

Which of the following gives rise to leaves?

Leaves are usually the primary (but not the only)photosynthetic structures in plants.

To what cells are companion cells actually "companions"?

Celery and rhubarb are which of the following?

When there are two leaves at a node,the leaf arrangement is called compound.

Which of the following choices is not a zone of the root tip?

Plants in Our Lives

The Plant Cell

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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Whereas the cortex of an herbaceous dicot root is between the epidermis and ,the cortex of an herbaceous dicot stem is between the epidermis and the .

The conducting cells of xylem are and .