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