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Introductory Plant Biology, 9/e
Kingsley R. Stern, California State University, Chico

Stems

Chapter Quiz



1

Bundle scars mark the location of water and food-conducting tissues within leaf scars.
A)True
B)False
2

The protoderm gives rise to the epidermis and cuticle in stems and roots.
A)True
B)False
3

Summer wood is composed of many large vessel elements and few tracheids.
A)True
B)False
4

The wood of conifers consists primarily of vessel elements and laticifers.
A)True
B)False
5

Herbaceous dicots have vascular bundles scattered throughout the pith of the stem.
A)True
B)False
6

White potatoes are modified stems with nodes called eyes.
A)True
B)False
7

The oldest known living species on earth is the
A)redwood.
B)bald cypress.
C)palm tree.
D)bristlecone pine.
8

Which of the following cell is NOT produced by the vascular cambium?
A)tracheids
B)pith cells
C)fibers
D)vessel elements
9

Which type of stele consists of a solid core of xylem surrounded by a layer of phloem?
A)protostele
B)eustele
C)siphonostele
D)none of the above
10

Which of the following tissue types is found in the periderm?
A)vascular cambium
B)cork
C)secondary phloem
D)primary xylem
11

What is the name given to latex-secreting cells found in the phloem of some plants?
A)stipules
B)phelloderm
C)laticifers
D)lenticels
12

Which of the following monocots can attain great heights as a result of continually dividing parenchyma?
A)palm
B)corn
C)rye
D)redwood
13

Which of the following is NOT a feature of all specialized stems?
A)nodes
B)internodes
C)axillary buds
D)none of the above
14

Which of the following is an example of a corm?
A)grasses
B)crocus
C)sweet potatoes
D)all of the above
15

Strawberries reproduce asexually by using
A)tubers.
B)bulbs.
C)runners.
D)cladophylls.
16

Which wood is used to make bowling pins?
A)white ash
B)hard maple
C)red spruce
D)hickory
17

The ability of wood to withstand decay by organisms and insects is referred to as its
A)density.
B)seasoning.
C)specific gravity.
D)durability.