Question 1

Which layer of the woody stem is composed of spring wood and summer wood?

Accepted Answer

A)   phloem
B)   pith
C)   cortex
D)   annual ring
E)   barkF) B) and C)
G) B) and E)

Question 2

Transport in xylem is typically upward, while transport in phloem can be in any direction in the plant.

Accepted Answer

A) True 
 B)False

Question 3

Plants are capable of directly absorbing nitrogen from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following correctly describes a major difference between monocot and eudicot plants?

Accepted Answer

A)   Xylem and phloem occur in a ring in a eudicot stem, while phloem occur between arms of xylem in a monocot stem.
B)   Xylem and phloem occur in a ring in a monocot root, while phloem occur between arms of xylem in a eudicot root.
C)   Xylem and phloem occur in a ring in a eudicot root, while phloem occur between arms of xylem in a monocot root.
D)   Xylem and phloem occur in a ring in a monocot stem, while phloem occur between arms of xylem in a eudicot stem.
E)   Xylem and phloem occur in a ring in a monocot stem, while xylem and phloem occur in scattered bundles in a eudicot stem.F) A) and E)
G) C) and D)

Question 5

Which of the following is not a typical function of the root system?

Accepted Answer

A)   anchorage
B)   absorption of nitrates
C)   absorption of water
D)   absorption of carbon dioxide
E)   absorption of mineralsF) A) and D)
G) B) and C)

Question 6

Mineral transport in plants occurs through xylem tissue.

Accepted Answer

A) True 
 B)False

Question 7

Which group of ground tissue cells will help carry out photosynthesis?

Accepted Answer

A)   parenchyma cells
B)   collenchyma cells
C)   sclerenchyma cells
D)   xylem
E)   phloemF) All of the above
G) C) and E)

Question 8

What is the correct order of root zones starting with the root tip and moving upward?

Accepted Answer

A)   cell division - elongation - maturation
B)   elongation - cell division - maturation
C)   maturation - elongation - cell division
D)   cell division - maturation - elongation
E)   cell division - root cap - elongationF) C) and D)
G) A) and E)

Question 9

In your garden, you observe a single pea plant that is much smaller and not growing well, despite being surrounded by other normal plants. You dig it up to discover that it has a weak, shallow root system. You suspect that the plant may be lacking

Accepted Answer

A)   a micronutrient.
B)   mycorrhizal fungi.
C)   oxygen.
D)   carbon.
E)   hydrogen.F) A) and B)
G) C) and D)

Question 10

Which of the following correctly describes a major difference between monocot and eudicot plants?

Accepted Answer

A)   The leaves of monocot plants have leaf veins that form a netlike pattern, while the leaves of eudicot plants have parallel leaf veins.
B)   Monocot leaves have leaf veins that form a netlike pattern, and their flower parts occur in multiples of three;Eudicot leaves have parallel leaf veins, and their flower parts occur in multiples of four or five.
C)   Monocot leaves have parallel leaf veins, and their flower parts occur in multiples of four or five; eudicot leavesHave leaf veins that form a netlike pattern, and their flower parts occur in multiples of three.
D)   Monocot flower parts occur in multiples of four or five, while eudicot flower parts occur in multiples of three.
E)   Monocot leaves have parallel leaf veins, while the leaf veins of a eudicot plant form a netlike pattern.F) A) and B)
G) None of the above

Question 11

Root hairs are composed of which of the following types of tissue?

Accepted Answer

A)   sclerenchyma
B)   parenchyma
C)   collenchyma
D)   vascular cambium
E)   epidermalF) C) and D)
G) A) and C)

Question 12

Vessel elements are to xylem as _____ are to phloem.

Accepted Answer

A)   tracheids
B)   sclerenchyma
C)   sieve-tube members
D)   companion cells
E)   sieve platesF) A) and B)
G) A) and C)

Question 13

What is the main reason that farmers practice crop rotation?

Accepted Answer

A)   Crop rotation will help replenish the soil's supply of nitrogen.
B)   Crop rotation will help replenish the soil's supply of hydrogen.
C)   Rotation of crops allows for an increased chance of profit.
D)   Government regulations require farmers to rotate crops every year.
E)   Crop rotation will help replenish the soil's supply of carbon.F) B) and E)
G) B) and C)

Question 14

Removing bark from a tree means that _____ are removed.

Accepted Answer

A)   phloem, cortex, cork cambium, and cork
B)   vascular cambium, phloem, cork cambium, and cork
C)   xylem, vascular cambium, and phloem
D)   cortex, cork cambium, and cork
E)   vascular cambium, cortex, cork cambium, and xylemF) A) and B)
G) None of the above

Question 15

In the pressure-flow model, the movement of nutrients through phloem is initiated when water moves from sieve-tube members into companion cells by osmosis, causing sugar in surrounding cells to be transported into sieve-tube members.

Accepted Answer

A) True 
 B)False

Question 16

Water enters the leaf through structure _____, whereas carbon dioxide enters the leaf through structures located within _____.

Accepted Answer

A)   1; 5
B)   4; 5
C)   3; 5
D)   4; 3
E)   3; 1F) A) and D)
G) C) and E)

Question 17

If you remove all of the terminal buds from a plant, what is the most likely outcome?

Accepted Answer

A)   Branching would occur, but no further primary growth would occur.
B)   All of the plant's leaves would die.
C)   The plant would not be affected.
D)   Branching would occur from the roots.
E)   Additional stems would develop.F) B) and D)
G) C) and E)

Question 18

Which of the following is an incorrect match between a root structure and its function?

Accepted Answer

A)   endodermis - regulates mineral entrance into vascular tissues
B)   epidermis - forms root hairs for absorption
C)   pericycle - contains starch granules
D)   cortex - food storage
E)   pith - food storageF) B) and D)
G) A) and B)

Question 19

Which plant tissue type transports water and nutrients throughout the plant?

Accepted Answer

A)   vascular
B)   epidermis
C)   ground
D)   dermis
E)   parenchymaF) C) and D)
G) B) and D)

Question 20

Which of the following correctly describes a major difference between monocot and eudicot plant stems?

Accepted Answer

A)   Xylem and phloem occur in a ring in a eudicot stem, while phloem occur between arms of xylem in a monocot stem.
B)   Xylem and phloem occur in a ring in a monocot stem, while phloem occur between arms of xylem in a eudicot stem.
C)   Xylem and phloem occur in a ring in a eudicot stem, while xylem and phloem occur in scattered bundles in a monocot stem.
D)   Xylem and phloem occur in a ring in a monocot stem, while xylem and phloem occur in scattered bundles in a eudicot stem.
E)   Xylem and phloem occur in scattered bundles in a monocot stem, while phloem occur between arms of xylem in a eudicot stem.F) A) and B)
G) A) and D)

Exam 20: Plant Anatomy and Growth

In the pressure-flow model, the movement of nutrients through phloem is initiated when water moves from sieve-tube members into companion cells by osmosis, causing sugar in surrounding cells to be transported into sieve-tube members.

Correct AnswerverifiedShow Answer

In your garden, you observe a single pea plant that is much smaller and not growing well, despite being surrounded by other normal plants. You dig it up to discover that it has a weak, shallow root system. You suspect that the plant may be lacking

Correct AnswerverifiedShow Answer

Mineral transport in plants occurs through xylem tissue.

Correct AnswerverifiedShow Answer

Which plant tissue type transports water and nutrients throughout the plant?

Correct AnswerverifiedShow Answer

Which of the following correctly describes a major difference between monocot and eudicot plants?

Correct AnswerverifiedShow Answer

Root hairs are composed of which of the following types of tissue?

Correct AnswerverifiedShow Answer

Removing bark from a tree means that _____ are removed.

Correct AnswerverifiedShow Answer

Which of the following correctly describes a major difference between monocot and eudicot plants?

Correct AnswerverifiedShow Answer

Which of the following is an incorrect match between a root structure and its function?

Correct AnswerverifiedShow Answer

If you remove all of the terminal buds from a plant, what is the most likely outcome?

Correct AnswerverifiedShow Answer

Which group of ground tissue cells will help carry out photosynthesis?

Correct AnswerverifiedShow Answer

What is the main reason that farmers practice crop rotation?

Correct AnswerverifiedShow Answer

Which of the following correctly describes a major difference between monocot and eudicot plant stems?

Correct AnswerverifiedShow Answer

Plants are capable of directly absorbing nitrogen from the atmosphere.

Correct AnswerverifiedShow Answer

Transport in xylem is typically upward, while transport in phloem can be in any direction in the plant.

Correct AnswerverifiedShow Answer

Vessel elements are to xylem as _____ are to phloem.

Correct AnswerverifiedShow Answer

Water enters the leaf through structure _____, whereas carbon dioxide enters the leaf through structures located within _____.

Correct AnswerverifiedShow Answer

What is the correct order of root zones starting with the root tip and moving upward?

Correct AnswerverifiedShow Answer

Which layer of the woody stem is composed of spring wood and summer wood?

Correct AnswerverifiedShow Answer

Which of the following is not a typical function of the root system?

Correct AnswerverifiedShow Answer

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Water enters the leaf through structure _, whereas carbon dioxide enters the leaf through structures located within _.

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