Biology: The Unity and Diversity of Life

Cecie Starr, Ralph Taggart, Christine Evers

Chapter 27

Plant Tissues - all with Video Answers

Educators

Chapter Questions

Problem 1

In plants, fibers are a type of __________ cell.
a. parenchyma
b. sclerenchyma
c. collenchyma
d. mesophyll

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Problem 2

Ground tissue consists mainly of __________.
a. waxes and cellulose
b. lignified cell walls
c. parenchyma cells
d. cork but not bark

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Problem 3

Which of the following cell types remain alive in mature tissue? Choose all that apply.
a. companion cells
b. sieve elements
c. parenchyma cells
d. cork but not bark

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Problem 4

All of the vascular bundles inside a typical ____________ are arranged in a ring.
a. monocot stem
b. eudicot stem
c. monocot root
d. eudicot root

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Problem 5

True or false? Lateral roots form at nodes on roots.

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Problem 6

Epidermis and periderm are __________ tissues.
a. ground
b. vascular
c. dermal

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Problem 7

A vascular bundle in a leaf is called __________.
a. xylem
b. mesophyll
c. a vein

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Problem 8

Typically, vascular tissue is organized as _________ in stems and as __________ in roots.
a. multiple vascular bundles; one vascular cylinder
b. one vascular bundle; multiple vascular cylinders
c. one vascular cylinder; multiple vascular bundles
d. multiple vascular cylinders; one vascular bundle

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Problem 9

An onion is a __________ (choose all that apply).
a. root
b. stem
c. bulb
d. corm

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Problem 10

In a(n) __________ , the primary root is typically the largest.
a. lateral meristem
b. adventitious root system
c. fibrous root system
d. taproot system

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Problem 11

Root hairs __________.
a. conduct water from cortex to aboveground shoots
b. increase the root's surface area for absorption
c. anchor the plant in soil

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Problem 12

Roots and shoots lengthen through activity at __________.
a. apical meristems
b. lateral meristems
c. vascular cambium
d. cork cambium

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Problem 13

The activity of lateral meristems __________ older roots and stems.
a. lengthens
b. thickens
c. both a and b

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Problem 14

Tree rings occur because __________.
a. there are droughts during the time the rings form
b. environmental conditions influence xylem cell size
c. heartwood alternates with sapwood
d. periderm replaces epidermis

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Problem 15

Match the plant parts with the best description.
$$\begin{array}{cc}\text{__________ vascular cambium} && \text {a. ground tissue}\end{array}$$
$$\begin{array}{cc}\text{__________mesophyll} && \text {b. stem structure}\end{array}$$
$$\begin{array}{cc}\text{__________wood} && \text {c. a lateral meristem}\end{array}$$
$$\begin{array}{cc}\text{__________cortex} && \text {d. photosynthetic parenchyma}\end{array}$$
$$\begin{array}{cc}\text{__________potato} && \text {e. secondary xylem}\end{array}$$
$$\begin{array}{cc}\text{__________parallel veins} && \text {f. between epidermal cells}\end{array}$$
$$\begin{array}{cc}\text{__________stoma} && \text {g. characteristic of monocot leaves}\end{array}$$

John Barone

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