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Multiple Choice Quiz
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1
The angiosperms are the most diverse and widespread of all the plants.
A)True
B)False
2
The diploid generation in plants produces spores.
A)True
B)False
3
The gametophyte is dominant in flowering plants.
A)True
B)False
4
A plant and its pollinator have a mutualistic relationship.
A)True
B)False
5
A flower produces _____.
A)microspores
B)megaspores
C)both A and B
6
In flowering plants, the gametophyte _____.
A)is haploid
B)produces spores
C)produces the flowers
D)all of the above
7
In flowering plants, the sporophyte _____.
A)is diploid
B)is what we generally recognize as the plant
C)contains vascular tissue
D)all of the above
8
Which of the following adaptations allows flowering plants to sexually reproduce without water?
A)pollen production
B)pollen tube development
C)both A and B
9
In flowering plants the pollen grain is transported by _____ to the megagametophyte.
A)water
B)wind
C)animals
D)both B and C
10
Flowers are modified _____.
A)leaves
B)roots
C)stems
11
Which of the following is incorrectly matched?
A)sepals - attract pollinators
B)petals - colored leaves
C)pistil - ovules
D)anther - pollen production
12
In the plant life cycle there is a _____.
A)diploid generation
B)haploid generation
C)both A and B
13
Which of the following is part of the pistil?
A)anther
B)stigma
C)filament
D)all of the above
14
Perfect flowers have _____.
A)a pistil
B)stamens
C)both A and B
15
All flowers have sepals, petals, stamens and a pistil.
A)True
B)False
16
Stamens are composed of _____.
A)anthers
B)filaments
C)both A and B
17
Pollen grains develop from microspores in the _____.
A)stigma
B)anther
C)ovary
D)receptacle
18
Wind-pollinated flowers often have no petals at all.
A)True
B)False
19
If staminate and pistillate flowers are on separate plants, the plant is dioecious.
A)True
B)False
20
The megagametophyte is also called the _____.
A)pollen grain
B)seed
C)embryo sac
D)generative cell
21
The ovule produces _____.
A)microspores
B)megaspores
C)both A and B
22
A microsporocyte undergoes _____ to produce four haploid microspores.
A)mitosis
B)meiosis
C)binary fission
D)fertilization
23
A pollen grain contains _____.
A)a tube cell
B)a generative cell
C)both A and B
24
The microgametophyte produces _____.
A)an egg
B)two sperm
25
The egg cell and the two polar nuclei can be found in the _____.
A)embryo sac
B)pollen grain
C)anther
D)stigma
26
In flowering plants, the gametophyte is _____.
A)microscopic
B)haploid
C)dependent on the sporophyte
D)all of the above
27
The mutualistic relationship between flowers and their pollinators developed through the process of _____.
A)divergent evolution
B)convergent evolution
C)coevolution
D)artificial selection
28
Bee-pollinated flowers _____.
A)are brightly colored
B)are sweet smelling
C)have ultraviolet shadings called honey guides
D)all of the above
29
The only reward flowers offer their pollinators is food (nectar).
A)True
B)False
30
A light-colored or white flower that opens only at night is most likely pollinated by a _____.
A)bat
B)bee
C)bird
D)butterfly
31
Flowers pollinated by hummingbirds tend to be red and have little odor.
A)True
B)False
32
Pollination and fertilization mean the same thing.
A)True
B)False
33
Genetic recombination resulting in new and varied plants occurs if _____ takes place.
A)cross-pollination
B)self-pollination
34
During pollination, pollen is transferred to the _____.
A)style
B)anther
C)ovary
D)stigma
35
The embryo can also be referred to as a _____.
A)spore
B)gametophyte
C)seed
D)young sporophyte
36
One sperm nucleus unites with the egg cell to produce _____.
A)a haploid spore
B)a diploid zygote
C)a triploid zygote
D)triploid endosperm
37
The endosperm that forms from the union of a sperm nucleus and the polar nuclei of the central cell is _____.
A)haploid
B)diploid
C)triploid
38
The endosperm nourishes the embryo and seedling as they undergo development.
A)True
B)False
39
Double fertilization in plants results in two diploid zygotes.
A)True
B)False
40
The suspensor _____.
A)anchors the embryo
B)transfers nutrients from the sporophyte plant to the embryo
C)both A and B
41
A seed contains _____.
A)an embryo
B)stored food
C)both A and B
42
The portion of the embryo below the cotyledon that contributes to stem development is the _____.
A)radicle
B)hypocotyl
C)epicotyl
D)first leaf
43
In a _____, the cotyledon absorbs food molecules from the endosperm rather than storing food.
A)monocot
B)dicot
44
Dicotyledons have two seed leaves.
A)True
B)False
45
Which of the following is not part of the embryo?
A)the hypocotyl
B)the radicle
C)the epicotyl
D)the cotyledons
46
The epicotyl is the portion of the embryo between the cotyledon(s) and the first leaves.
A)True
B)False
47
When the cotyledons can be seen, the dicot embryo is _____ shaped.
A)torpedo
B)heart
C)globular
48
The shoot and root tip can be distinguished in a _____ shaped embryo.
A)torpedo
B)heart
C)globular
49
The endosperm is taken up by the cotyledons during the development of a dicot embryo.
A)True
B)False
50
A fruit is a mature _____.
A)ovule
B)ovary
C)anther
51
Which of the following is an example of a fruit?
A)a tomato
B)cucumbers
C)squash
D)all of the above
52
A _____ fruit develops from a single ovary.
A)compound
B)simple
53
A _____ is a good example of a simple fleshy fruit.
A)strawberry
B)pole bean
C)plum
D)hickory nut
54
Which of the following fruits developed from a compound ovary?
A)peach
B)avocado
C)plum
D)tomato
55
The pericarp of a grain is tightly fused to the seed and cannot be separated from it.
A)True
B)False
56
The seed develops from the _____.
A)anther
B)receptacle
C)ovule
D)ovary
57
A _____ is an example of a compound fruit.
A)blackberry
B)pineapple
C)both A and B
58
Seeds are dispersed by _____.
A)animals
B)water
C)wind
D)all of the above
59
Which of the following is characteristic of seeds that are dispersed by wind?
A)wooly hairs
B)hooks and spines
C)both A and B
60
In the temperate zone, seeds germinate immediately after dispersal.
A)True
B)False
61
Germination takes place if there is sufficient _____ to sustain growth.
A)warmth
B)oxygen
C)water
D)all of the above
62
The roots develop from the _____.
A)hypocotyl
B)radicle
C)plumule
D)cotyledons
63
In a monocot like corn, the plumule is enclosed in a protective sheath called the ____.
A)cotyledon
B)pericarp
C)endosperm
D)coleoptile
64
Protoplasts are cells without _____.
A)a nucleus
B)a membrane
C)a wall
D)cytoplasm
65
Plant cells are totipotent.
A)True
B)False
66
Plants can routinely reproduce asexually by vegetative propagation because they contain nondifferentiated _____ tissue.
A)collenchyma
B)meristem
C)xylem
D)phloem
67
Meristem culture is easily done when _____ is/are added to the liquid medium.
A)auxin
B)cytokinin
C)both A and B
68
Plants that carry a foreign gene which was introduced into their cells are called _____.
A)transgenic plants
B)hybrids
C)protoplasts
69
Plants can be cultured in a laboratory setting by _____.
A)creating protoplasts
B)culturing mature anthers
C)culturing meristem
D)all of the above
70
Which of the following has been genetically engineered to be resistant to insect predation or herbicides?
A)cotton
B)soybeans
C)potatoes
D)all of the above
71
Plants have been engineered to produce human antibodies, hormones and clotting factors.
A)True
B)False
72
The dicot weed, Arabidopsis thaliana has been engineered to be _____.
A)drought-tolerant
B)salt-tolerant
C)cold-tolerant
D)herbicide resistant
73
Foreign genes can be introduced to plant cells using _____.
A)the tobacco mosaic virus
B)a particle gun
C)a bacterial plasmid
D)all of the above
74
Corn and wheat protoplasts produce fertile plants making it easy to regenerate these cereal grains.
A)True
B)False
75
Rice with an introduced C4 photosynthetic cycle would perform well in hot, dry weather.
A)True
B)False
76
Complete strawberry plants grow from the nodes of rhizomes, underground horizontal stems.
A)True
B)False
77
Plants generated from somatic embryos are genetically identical to one another.
A)True
B)False
78
Crop plants _____
A)have the same number of nucleotide base pairs as Arabidopsis
B)are easily studied in a laboratory setting
C)have about the same number of functional genes as Arabidopsis
D)all of the above







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