Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Post-Test



This activity contains 58 questions.

Question 1
1
Open Hint for Question 1 in a new window
Which of the following would be the least useful in figuring out whether a plant is a monocot or a dicot?
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window
Which of the following is a characteristic of dicots?
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window
Monocot stems differ from dicot stems in that _____.
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window
In the hierarchical organization of plants, the leaf is a(n) _____.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window
In the hierarchy of biological organization, the shoot is a(n) _____.
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window
A root hair is a(n) _____.
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window
Leaves occur at intervals along the plant stem. The region where a leaf is attached to the stem is the _____.
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window
Most leaves consist of _____.
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window
The shoot system of a beavertail cactus consists of broad paddlelike structures covered with spines. The spines are modified _____, so the flat green paddles must be modified _____.
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window
_____ is an example of an edible petiole.
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window
The plant tissue system most analogous to our circulatory system is the _____.
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window
Guard cells _____.
 
End of Question 12


Question 13
13
Open Hint for Question 13 in a new window
In most leaves, chloroplast-containing cells are most closely compacted in the _____.
 
End of Question 13


Question 14
14
Open Hint for Question 14 in a new window
Ground tissue is composed of undifferentiated cells with thin walls that are usually involved with storage. At the stage in a dicot plant's life when only primary growth has occurred, the inner portion of the ground tissue of a stem is called _____ and the outer portion is called _____.
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window
A cross section of part of a plant exposes epidermis, a thick cortex, and a central cylinder of xylem and phloem. This part is a _____.
 
End of Question 15


Question 16
16
Open Hint for Question 16 in a new window
Arrange the structures found in a typical leaf blade from inside to outside.
 
End of Question 16


Question 17
17
Open Hint for Question 17 in a new window
Most of the photosynthesis in a plant is carried out by _____ in the leaves.
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window
Collenchyma cells can be recognized by _____.
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window
Monocots never have wood, but they may gain structural support from abundant _____.
 
End of Question 19


Question 20
20
Open Hint for Question 20 in a new window
Artichoke hearts are tender and tasty. The leaves are tasty too, but most of an artichoke leaf is fibrous and impossible to chew. The leaves must contain lots of _____.
 
End of Question 20


Question 21
21
Open Hint for Question 21 in a new window
Both tracheids and fibers _____.
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window
Which of the following are dead at maturity?
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window
Which vascular cells in plants must die before they become functional?
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window
A root is forced down through the soil by _____.
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window
The primary growth of a plant adds _____ while secondary growth adds _____.
 
End of Question 25


Question 26
26
Open Hint for Question 26 in a new window
A region of cell division in a plant is called a _____.
 
End of Question 26


Question 27
27
Open Hint for Question 27 in a new window
The site of primary growth, growth that increases the length of a plant, occurs at _____.
 
End of Question 27


Question 28
28
Open Hint for Question 28 in a new window
The protective layer that covers the apical meristem of a root and may aid in orientation is called the _____.
 
End of Question 28


Question 29
29
Open Hint for Question 29 in a new window
Plants grow by primary and secondary mechanisms. Choose the correct description of a mechanism and its result.
 
End of Question 29


Question 30
30
Open Hint for Question 30 in a new window
Cell division in the vascular cambium adds to the girth of a tree by adding new _____ on the inside of the cambium layer and _____ on the outside.
 
End of Question 30


Question 31
31
Open Hint for Question 31 in a new window
If you pound a nail into a tree 3 feet off the ground and come back to find it in 20 years, it will be _____.
 
End of Question 31


Question 32
32
Open Hint for Question 32 in a new window
Cell division would be slowest in which of these tissues?
 
End of Question 32


Question 33
33
Open Hint for Question 33 in a new window
Secondary phloem in the root develops from the _____.
 
End of Question 33


Question 34
34
Open Hint for Question 34 in a new window
Which of the following is closest to the center of a woody stem?
 
End of Question 34


Question 35
35
Open Hint for Question 35 in a new window
A vandal killed a historic oak tree on the village green by girdling it with a chain saw. He cut through the bark and into the sapwood all the way around the tree. Why did the tree die?
 
End of Question 35


Question 36
36
Open Hint for Question 36 in a new window
In a large, old tree, which of the following provides the most physical support?
 
End of Question 36


Question 37
37
Open Hint for Question 37 in a new window
Annual rings in wood reflect the fact that in climates with a single growing season every year, the _____ divides actively when water is plentiful and temperatures are suitable for growth, and ceases to divide when water is scarce and the weather is cold.
 
End of Question 37


Question 38
38
Open Hint for Question 38 in a new window
In what order would you pass through tissues when moving from the pith to the epidermis in a plant possessing secondary vascular tissue?
 
End of Question 38


Question 39
39
Open Hint for Question 39 in a new window
The chemical that strengthens wood cell walls is _____.
 
End of Question 39


Question 40
40
Open Hint for Question 40 in a new window
The female structures of angiosperms are called _____, and they produce _____.
 
End of Question 40


Question 41
41
Open Hint for Question 41 in a new window
Select the correct association.
 
End of Question 41


Question 42
42
Open Hint for Question 42 in a new window
The floral parts that take an active part in reproduction are _____.
 
End of Question 42


Question 43
43
Open Hint for Question 43 in a new window
Pollen is _____ and produces _____.
 
End of Question 43


Question 44
44
Open Hint for Question 44 in a new window
All gametophytes are _____.
 
End of Question 44


Question 45
45
Open Hint for Question 45 in a new window
In the process of pollination, pollen grains are transferred from the _____ to the _____.
 
End of Question 45


Question 46
46
Open Hint for Question 46 in a new window
Usually, the number of chromosomes in a flower's egg nucleus is _____ the number of chromosomes in a flower's pollen nucleus.
 
End of Question 46


Question 47
47
Open Hint for Question 47 in a new window
If a leaf cell in a potato plant contains 48 chromosomes, a sperm cell in a pollen grain would usually contain _____ chromosomes.
 
End of Question 47


Question 48
48
Open Hint for Question 48 in a new window
The male structures of angiosperms are called _____, and they produce _____.
 
End of Question 48


Question 49
49
Open Hint for Question 49 in a new window
All of the following are true about angiosperm spores except _____.
 
End of Question 49


Question 50
50
Open Hint for Question 50 in a new window
In angiosperms, double fertilization produces _____.
 
End of Question 50


Question 51
51
Open Hint for Question 51 in a new window
After fertilization, the _____ develops into a seed and the _____ develops into a fruit.
 
End of Question 51


Question 52
52
Open Hint for Question 52 in a new window
A seed is a mature _____.
 
End of Question 52


Question 53
53
Open Hint for Question 53 in a new window
What is endosperm?
 
End of Question 53


Question 54
54
Open Hint for Question 54 in a new window
In angiosperms, the seed coat develops from the _____.
 
End of Question 54


Question 55
55
Open Hint for Question 55 in a new window
Flowers bear seeds in protective chambers called _____.
 
End of Question 55


Question 56
56
Open Hint for Question 56 in a new window
Why do seeds need water to germinate?
 
End of Question 56


Question 57
57
Open Hint for Question 57 in a new window
Plants growing in harsh environments such as deserts, sand dunes, and arctic tundra often reproduce vegetatively. This is because _____.
 
End of Question 57


Question 58
58
Open Hint for Question 58 in a new window
Many plants have very long life spans because they have retained _____.
 
End of Question 58


Clear Answers/Start Over





Pearson Copyright © 1995 - 2011 Pearson Education . All rights reserved. Pearson Benjamin Cummings is an imprint of Pearson .
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]