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| 1 | |
Alternation of generations in an angiosperm describes the cycle of life stages between |
| | A) | gametophyte and sporophyte. |
| | B) | root and stem. |
| | C) | zygote and embryo. |
| | D) | seed and flower. |
| | E) | monocot and eudicot. |
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| 2 | |
Which of the following processes is not part of plant growth and development? |
| | A) | Vegetative growth |
| | B) | Indeterminate growth |
| | C) | Determinate growth |
| | D) | Floral bud growth |
| | E) | All of the choices are processes that are a part of plant growth and development. |
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| 3 | |
Auxin is |
| | A) | another name for a lateral shoot. |
| | B) | the region of stem between adjacent nodes. |
| | C) | a hormone that stimulates cell division and cell enlargement. |
| | D) | a hormone that influences formation of leaf primordia. |
| | E) | a hormone that stimulates cell division and cell enlargement and a hormone that influences formation of leaf primordia. |
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| 4 | |
Arrange the root structures listed below from outermost to innermost.
- Endodermis
- Epidermis
- Pericycle
- Cortex
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| | A) | i; iii; ii; iv |
| | B) | ii; iv; i; iii |
| | C) | iii; ii; iv; i |
| | D) | iv; i; ii; iii |
| | E) | ii; i; iv; iii |
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| 5 | |
Which of the following does not represent an organ in a plant? |
| | A) | Branch |
| | B) | Flower |
| | C) | Leaf |
| | D) | Branch and flower |
| | E) | Branch, flower, and leaf |
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| 6 | |
True or False: Once an egg in a flowering plant has been fertilized, it is capable of carrying out photosynthesis for providing nutrients to the embryo. |
| | A) | True |
| | B) | False |
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| 7 | |
Eudicots typically have ____________ pore(s) or slit(s) in their pollen, a _________ root system, and _______________ leaf venation. |
| | A) | one; branched taproot; parallel |
| | B) | three; fibrous; parallel |
| | C) | one; branched taproot; netted |
| | D) | three; branched taproot; netted |
| | E) | one; fibrous; parallel |
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| 8 | |
Growth of an unlimited duration is most accurately referred to as |
| | A) | biennial. |
| | B) | indeterminate. |
| | C) | perennial. |
| | D) | determinate. |
| | E) | annual. |
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| 9 | |
Which of the following root forms do monodicots and eudicots share? |
| | A) | Tap roots |
| | B) | Fibrous roots |
| | C) | Branching roots |
| | D) | Adventitious roots |
| | E) | Buttress roots |
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| 10 | |
The cell type that composes the cortex is most accurately referred to as |
| | A) | tracheid. |
| | B) | epidermis. |
| | C) | sclerenchyma. |
| | D) | collenchyma. |
| | E) | parenchyma. |
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| 11 | |
True or False: Root cell differentiation and specialization occurs in the zone of elongation. |
| | A) | True |
| | B) | False |
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| 12 | |
Which of the following most accurately describes the basis behind cell expansion? |
| | A) | Microtubules polymerize near the cell wall, pushing the boundary of the cell outward. |
| | B) | Water enters the central vacuole, which expands, increasing cell volume in turn. |
| | C) | Proton pumps decrease cell wall acidity. |
| | D) | The cell wall on one side of the cell is completely disassembled, allowing the cell to expand, and then the cell wall is reformed. |
| | E) | None of the choices accurately describe the basis behind cell expansion. |
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| 13 | |
Which one of the following is influenced by plant cell microtubules? |
| | A) | The plane of cell division |
| | B) | The direction of cell expansion |
| | C) | The size of plant shoot apical meristem |
| | D) | The plane of cell division and the size of plant shoot apical meristem |
| | E) | The plane of cell division and the direction of cell expansion |
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| 14 | |
Which one of the following statements about leaves is correct? |
| | A) | Each leaflet in a compound leaf has an axillary bud at its base. |
| | B) | Complex leaves are favored in cooler environments. |
| | C) | Maximal light absorption surface is obtained in compound leaves. |
| | D) | The transcription factor KNOX is active in simple leaves but not complex leaves. |
| | E) | None of the statements about leaves are correct. |
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| 15 | |
Eudicot leaves typically display which of the following venation patterns? |
| | A) | Pinnate |
| | B) | Parallel |
| | C) | Palmate |
| | D) | Pinnate and palmate |
| | E) | Pinnate, parallel, and palmate |
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| 16 | |
True or False: Leaf epidermal cells can differentiate into projections referred to as guard cells, which are used for protection. |
| | A) | True |
| | B) | False |
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| 17 | |
Which of the following plant structures does not contain vascular tissue? |
| | A) | Fruit |
| | B) | Leaves |
| | C) | Roots |
| | D) | Stems |
| | E) | All of these plant structures contain vascular tissue. |
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| 18 | |
Which of the following is not a form of secondary vascular tissue? |
| | A) | Inner bark |
| | B) | Outer bark |
| | C) | Cork cambium |
| | D) | Wood |
| | E) | All of the choices are forms of secondary vascular tissue |
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| 19 | |
Which of the following is not found in the root apical meristem?
procambium |
| | A) | Stem cells |
| | B) | Epidermal cells |
| | C) | Columella cells |
| | D) | Zone of elongation |
| | E) | Root cap |
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| 20 | |
True or False: Root hairs are typically absent from regions of a root above the zone of maturation. |
| | A) | True |
| | B) | False |
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