Question 1

Which tissue is responsible for the recovery and rapid growth of damaged leaves of grass grazed by sheep in a pasture?

Accepted Answer

A) parenchyma 
B) apical meristem 
C) axillary buds 
D) mesophyll 
E) intercalary meristem 
A) parenchyma 
B) apical meristem 
C) axillary buds 
D) mesophyll 
E) intercalary meristem

Question 2

A plant has the following characteristics: a taproot system,several growth rings evident in a cross section of the stem,and a layer of bark around the outside.Which of the following best describes the plant?

Accepted Answer

A) herbaceous eudicot 
B) woody eudicot 
C) woody monocot 
D) herbaceous monocot 
E) woody annual 
A) herbaceous eudicot 
B) woody eudicot 
C) woody monocot 
D) herbaceous monocot 
E) woody annual

Question 3

Which of the following would not be seen in a cross section through the woody part of a root?

Accepted Answer

A) sclerenchyma cells 
B) sieve-tube elements 
C) parenchyma cells 
D) root hairs 
A) sclerenchyma cells 
B) sieve-tube elements 
C) parenchyma cells 
D) root hairs

Question 4

Adventitious roots in monocots are very helpful in coastal ecosystems to reduce

Accepted Answer

A) water absorption. 
B) evaporation. 
C) soil erosion. 
D) nutrient absorption. 
E) decomposition. 
A) water absorption. 
B) evaporation. 
C) soil erosion. 
D) nutrient absorption. 
E) decomposition.

Question 5

The vascular bundle in the shape of a single central cylinder in a root is called the

Accepted Answer

A) cortex. 
B) stele. 
C) endodermis. 
D) periderm. 
E) pith. 
A) cortex. 
B) stele. 
C) endodermis. 
D) periderm. 
E) pith.

Question 6

Vascular cambium in eudicot stems produce

Accepted Answer

A) dermal and ground tissue. 
B) lateral tissues. 
C) pith. 
D) secondary xylem and phloem. 
E) shoots and roots. 
A) dermal and ground tissue. 
B) lateral tissues. 
C) pith. 
D) secondary xylem and phloem. 
E) shoots and roots.

Question 7

The secondary growth in stems and roots of woody plants produced by the

Accepted Answer

A) intercalary meristem. 
B) lateral meristem. 
C) apical meristem. 
D) axillary meristem. 
A) intercalary meristem. 
B) lateral meristem. 
C) apical meristem. 
D) axillary meristem.

Question 8

Axillary buds

Accepted Answer

A) are initiated by the cork cambium. 
B) have dormant meristematic cells. 
C) are composed of a series of internodes lacking nodes. 
D) grow immediately into shoot branches. 
E) do not form a vascular connection with the primary shoot. 
A) are initiated by the cork cambium. 
B) have dormant meristematic cells. 
C) are composed of a series of internodes lacking nodes. 
D) grow immediately into shoot branches. 
E) do not form a vascular connection with the primary shoot.

Question 9

Xylem,a vascular tissue,performs which of the following functions?

Accepted Answer

A) storage of food 
B) photosynthesis 
C) aerobic respiration 
D) transport of water and minerals 
E) transport of food 
A) storage of food 
B) photosynthesis 
C) aerobic respiration 
D) transport of water and minerals 
E) transport of food

Question 10

Mature cork cells deposit a waxy substance called ________ in cell walls.

Accepted Answer

A) suberin 
B) lignin 
C) chitin 
D) cellulose 
E) pectin 
A) suberin 
B) lignin 
C) chitin 
D) cellulose 
E) pectin

Question 11

Which of the following is a true statement?

Accepted Answer

A) Flowers may have secondary growth. 
B) Secondary growth is a common feature of eudicot leaves. 
C) Secondary growth is produced by both the vascular cambium and the cork cambium. 
D) Primary growth and secondary growth alternate in the life cycle of a plant. 
E) Plants with secondary growth are typically the smallest ones in an ecosystem. 
A) Flowers may have secondary growth. 
B) Secondary growth is a common feature of eudicot leaves. 
C) Secondary growth is produced by both the vascular cambium and the cork cambium. 
D) Primary growth and secondary growth alternate in the life cycle of a plant. 
E) Plants with secondary growth are typically the smallest ones in an ecosystem.

Question 12

Arrange the following tissues in an order from the upper surface to the middle area of a leaf cross section.
i.epidermis
ii.xylem
iii.palisade mesophyll
iv.spongy mesophyll

Accepted Answer

A) i,ii,iii,iv 
B) ii,i,iv,iii 
C) iii,i,ii,iv 
D) iv,iii,i,ii 
E) i,iii,iv,ii 
A) i,ii,iii,iv 
B) ii,i,iv,iii 
C) iii,i,ii,iv 
D) iv,iii,i,ii 
E) i,iii,iv,ii

Question 13

Which of the plant organs pays a pivotal role on dissipating heat?

Accepted Answer

A) stem 
B) root 
C) leaf 
D) tuber 
E) stolon 
A) stem 
B) root 
C) leaf 
D) tuber 
E) stolon

Question 14

Annual rings in woody plant stems and roots represent the

Accepted Answer

A) primary phloem of spring and summer. 
B) primary and secondary xylem of summer. 
C) secondary xylem of spring and summer. 
D) secondary phloem of spring and summer. 
E) primary and secondary xylem of spring. 
A) primary phloem of spring and summer. 
B) primary and secondary xylem of summer. 
C) secondary xylem of spring and summer. 
D) secondary phloem of spring and summer. 
E) primary and secondary xylem of spring.

Question 15

Plants contain meristems whose major function is to

Accepted Answer

A) attract pollinators. 
B) absorb ions. 
C) photosynthesize. 
D) produce more cells. 
E) produce flowers. 
A) attract pollinators. 
B) absorb ions. 
C) photosynthesize. 
D) produce more cells. 
E) produce flowers.

Question 16

Which of the following cells in a dicot stem is only one cell thick?

Accepted Answer

A) cortex 
B) pith 
C) secondary xylem 
D) vascular cambium 
E) phloem 
A) cortex 
B) pith 
C) secondary xylem 
D) vascular cambium 
E) phloem

Question 17

Which type of roots support tall and top-heavy plants?

Accepted Answer

A) buttress roots 
B) storage roots 
C) tap roots 
D) pneumatophores 
E) prop roots 
A) buttress roots 
B) storage roots 
C) tap roots 
D) pneumatophores 
E) prop roots

Question 18

Which of the following responses is the correct order of tissues from the center to the periphery (outside)of a two-year-old dicot stem cross section?

Accepted Answer

A) primary xylem,secondary xylem,vascular cambium,secondary phloem,secondary xylem 
B) secondary xylem,secondary phloem,vascular cambium,secondary xylem,primary xylem 
C) primary phloem,primary xylem,secondary xylem,secondary phloem,vascular cambium 
D) secondary phloem,secondary xylem,primary xlem,primary phloem,vascular cambium 
E) vascular cambium,primary xylem,secondary xylem,primary phloem,secondary phloem 
A) primary xylem,secondary xylem,vascular cambium,secondary phloem,secondary xylem 
B) secondary xylem,secondary phloem,vascular cambium,secondary xylem,primary xylem 
C) primary phloem,primary xylem,secondary xylem,secondary phloem,vascular cambium 
D) secondary phloem,secondary xylem,primary xlem,primary phloem,vascular cambium 
E) vascular cambium,primary xylem,secondary xylem,primary phloem,secondary phloem

Question 19

Arrange the following steps of cell differentiation during plant growth (in length)in the correct sequence.
i.cell division in primary meristem
ii.cell division in apical meristem
iii.differentiated cells
iv.growing cells in primary meristem

Accepted Answer

A) i,ii,iii,iv 
B) ii,i,iv,iii 
C) ii,iii,i,iv 
D) i,iii,ii,iv 
E) iii,ii,iv,ii 
A) i,ii,iii,iv 
B) ii,i,iv,iii 
C) ii,iii,i,iv 
D) i,iii,ii,iv 
E) iii,ii,iv,ii

Question 20

The lateral root originates in which of the following parts of the root?

Accepted Answer

A) xylem 
B) phloem 
C) endodermis 
D) pericycle 
E) periderm 
A) xylem 
B) phloem 
C) endodermis 
D) pericycle 
E) periderm

Exam 28: Plant Structure and Growth

Which tissue is responsible for the recovery and rapid growth of damaged leaves of grass grazed by sheep in a pasture?

A plant has the following characteristics: a taproot system,several growth rings evident in a cross section of the stem,and a layer of bark around the outside.Which of the following best describes the plant?

Which of the following would not be seen in a cross section through the woody part of a root?

Adventitious roots in monocots are very helpful in coastal ecosystems to reduce

The vascular bundle in the shape of a single central cylinder in a root is called the

Vascular cambium in eudicot stems produce

The secondary growth in stems and roots of woody plants produced by the

Axillary buds

Xylem,a vascular tissue,performs which of the following functions?

Mature cork cells deposit a waxy substance called ________ in cell walls.

Which of the following is a true statement?

Arrange the following tissues in an order from the upper surface to the middle area of a leaf cross section. i.epidermis ii.xylem iii.palisade mesophyll iv.spongy mesophyll

Which of the plant organs pays a pivotal role on dissipating heat?

Annual rings in woody plant stems and roots represent the

Plants contain meristems whose major function is to

Which of the following cells in a dicot stem is only one cell thick?

Which type of roots support tall and top-heavy plants?

Which of the following responses is the correct order of tissues from the center to the periphery (outside)of a two-year-old dicot stem cross section?

Arrange the following steps of cell differentiation during plant growth (in length)in the correct sequence. i.cell division in primary meristem ii.cell division in apical meristem iii.differentiated cells iv.growing cells in primary meristem

The lateral root originates in which of the following parts of the root?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development,stem Cells,and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Resource Acquisition,nutrition,and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons,synapses,and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Ecological Communities

Ecosystems and Energy

Conservation Biology and Global Change

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