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| 1 | |
The sexual life cycle of flowering plants is adapted to life on land. Which statement about this lifecycle is true? |
| | A) | External water is only needed for the fertilization part of the cycle. |
| | B) | A flower produces two types of spores by mitosis: microspores and megaspores. |
| | C) | In the anther, microspores undergo meiosis to become pollen grains, the male gametophyte. |
| | D) | Fertilization takes place without any external water because a pollen tube allows sperm to reach an egg in the ovule. |
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| 2 | |
The male part of a flower, called the __________, consists of __________. |
| | A) | stamen; a saclike anther atop a slender stalk called a filament |
| | B) | carpel; a sticky knob called a stigma atop a slender stalk called a style |
| | C) | stamen; a sticky knob called a stigma atop a slender stalk called a style |
| | D) | carpel; a saclike anther atop a slender stalk called a filament |
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| 3 | |
The female part of a flower, called the __________, consists of __________ and an enlarged base called an ovary, which houses one or more ovules. |
| | A) | stamen; a saclike anther atop a slender stalk called a filament |
| | B) | carpel; a sticky knob called a stigma atop a slender stalk called a style |
| | C) | stamen; a sticky knob called a stigma atop a slender stalk called a style |
| | D) | carpel; a saclike anther atop a slender stalk called a filament |
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| 4 | |
A flower with sepals, petals, stamens, and carpels are called __________, while those that are missing one or more parts are called __________. |
| | A) | incomplete; complete |
| | B) | complete; incomplete |
| | C) | perfect; imperfect |
| | D) | imperfect; perfect |
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| 5 | |
A flower with both stamens and carpels are called __________, while those that are missing one or the other are called __________. |
| | A) | incomplete; complete |
| | B) | complete; incomplete |
| | C) | perfect; imperfect |
| | D) | imperfect; perfect |
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| 6 | |
A plant with staminate and carpellate flowers on one plant is __________. If the staminate and carpellate flowers are on separate plants, the plant is __________. |
| | A) | asexual; bisexual |
| | B) | bisexual; asexual |
| | C) | dioecious; monoecious |
| | D) | monoecious; dioecious |
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| 7 | |
Which generation in a flowering plant is diploid and can produce haploid spores? |
| | A) | the sporophyte |
| | B) | the gametophyte |
| | C) | the oocyte |
| | D) | the spermatocyte |
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| 8 | |
Microspores are produced in the |
| | A) | filament. |
| | B) | style. |
| | C) | stigma. |
| | D) | anthers. |
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| 9 | |
Double fertilization results in |
| | A) | the production of pollen. |
| | B) | the formation of a zygote and its food source for development. |
| | C) | the formation of more than one embryo. |
| | D) | the formation of a 2n zygote and 3 polar nuclei. |
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| 10 | |
Following fertilization, a(n) __________ develops into a seed and the __________ becomes the fruit of the plant. |
| | A) | stamen; pistil |
| | B) | microspore; megaspore |
| | C) | ovary; ovule |
| | D) | megaspore; microspore |
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| 11 | |
Which lists the correct sequence of the development of a eudicot embryo? |
| | A) | proembryo → zygote → globular → heart → torpedo → mature embryo |
| | B) | zygote → proembryo → mature embryo → globular → torpedo → heart |
| | C) | globular → zygote → proembryo → torpedo → heart → mature embryo |
| | D) | zygote → proembryo → globular → heart → torpedo → mature embryo |
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| 12 | |
The mature embryo is enclosed in a seed with three main parts. Which correctly identifies these structures as they are indicated in the figure?
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| | A) | (A) epicotyl (B) hypocotyl (C) cotyledons |
| | B) | (A) epicotyl (B) cotyledons (C) hypocotyl |
| | C) | (A) cotyledons (B) hypocotyl (C) epicotyl |
| | D) | (A) hypocotyl (B) epicotyl (C) cotyledons |
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| 13 | |
Upon germination, this part of the embryo will give rise to the shoot. |
| | A) | the hypocotyl |
| | B) | the cotyledons |
| | C) | the radicle |
| | D) | the epicotyl |
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| 14 | |
Nutrient materials for the developing embryo are stored in the |
| | A) | epicotyl. |
| | B) | cotyledons. |
| | C) | hypocotyl. |
| | D) | radicle. |
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| 15 | |
The portion of the seed that contributes to stem development, which terminates in the embryonic root is the |
| | A) | radicle. |
| | B) | epicotyl. |
| | C) | hypocotyl. |
| | D) | seed coat. |
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| 16 | |
Some fruits, like pea pods, beans, and cereal grains are classified as __________ fruits. Others, like berries, apples, or peaches, are classified as __________ fruits. |
| | A) | indehiscent; dehiscent |
| | B) | dehiscent; indehiscent |
| | C) | fleshy; dry |
| | D) | dry; fleshy |
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| 17 | |
Which of the following is a correct sequence? |
| | A) | pollination, fertilization, germination |
| | B) | pollination, germination, fertilization |
| | C) | fertilization, pollination, germination |
| | D) | fertilization, germination, pollination |
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| 18 | |
Strawberry plants reproduce asexually by forming |
| | A) | megaspores. |
| | B) | “eyes”. |
| | C) | rhizomes. |
| | D) | stolons. |
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| 19 | |
Many plant cells are genetically capable of becoming an entire plant, making them |
| | A) | pluripotent. |
| | B) | totipotent. |
| | C) | unipotent. |
| | D) | mutlipotent. |
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| 20 | |
A virus-free plant is produced through which method of plant cloning? |
| | A) | anther tissue culture |
| | B) | somatic embryogenesis |
| | C) | meristem tissue culture |
| | D) | all of these cloning methods are used to produce virus-free plants |
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