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

Chapter Quiz



1

Pinnately compound leaves have all of their leaflets attached at the same point at the end of the petiole.
A)True
B)False
2

Reticulate venation refers to the branching arrangement of veins in dicot leaves.
A)True
B)False
3

Palisade parenchyma cells contain numerous chloroplasts, and make up the upper layer of the mesophyll in leaves.
A)True
B)False
4

Bundle sheath cells are large, thin-walled cells that occur in the leaf epidermis near the central vein.
A)True
B)False
5

Tendrils are modified stem tissue, which curl around rigid objects.
A)True
B)False
6

In autumn, the green chlorophyll pigments break down revealing pigments of other colors.
A)True
B)False
7

The stomatal apparatus in leaves consists of a pore bordered by
A)hydathodes.
B)guard cells.
C)bracts.
D)bundle sheath cells.
8

The term phyllotaxy means
A)the arrangement of leaves on a stem.
B)the arrangement of leaflets in a compound leaf.
C)the study of leaf anatomy.
D)the study of plant taxonomy.
9

Which of the following plants has stomatal pores only on the upper surface of the leaf?
A)cactus
B)corn
C)water lily
D)maple
10

Which tissue layer in the leaf contains stomatal pores?
A)palisade parenchyma
B)veins
C)spongy parenchyma
D)epidermis
11

Under which environmental conditions will bulliform cells collapse causing the leaf blade to roll?
A)low oxygen
B)low moisture
C)high humidity
D)high rainfall
12

When compared to sun leaves, shade leaves tend to
A)be thinner.
B)be larger.
C)have fewer hairs.
D)all of the above.
13

The leaves of sundew plants are specialized for what purpose?
A)trapping insects
B)reproduction
C)food storage
D)prevention of water loss
14

Which of the following plants produces floral bracts?
A)window plants
B)poinsettia
C)pitcher plant
D)grape
15

What is the function of the bladder in bladderworts?
A)protection from prey
B)flotation
C)to produce latex
D)to trap aquatic insects
16

Which of the following pigments is red and water-soluble?
A)carotene
B)xanthophyll
C)chlorophyll
D)none of the above








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