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Plants - AP Bio
Chapter 26, 27, 28
| Question | Answer |
|---|---|
| 1. Are plants called (Epiphytes / Mycorrhizae / Saprophytes / None) when they don’t need soil to grow? | None; they don’t have a name. |
| 2. (Root nodules / cuticles / root hairs / active transports) are NOT necessary for mineral uptake by plant roots. | Root nodules |
| 3. (Oxygen / sulfur / carbon / hydrogen) is NOT one of the three most common elements in plants. | Sulfur |
| 4. The Greek root words meaning “water” and “hard work” are the basis for the term ______. | Hydroponics |
| 5. Soil formation is due to: a. Decomposition of organic matter b. Weathering of transport of bedrock c. Activity of animals such as earthworms d. All of the above | D; All of the above |
| 6. Which is an INCORRECT association of soil particles and characteristics? | B; Clay isn't medium. It's small. |
| 7. Which is a CORRECT relationship between soil particles and leaching of soil ions? | C; Clay holds water clumps. |
| 8. The type of plant found in trees that obtains nutrients from the air, such as the orchid or Spanish moss is ______. | Epiphyte |
| 9. Girdling is a process by which ______. | A tree is killed by interrupting the passage of phloem sap |
| 10. The collection of water drops along the margin of a leaf is called what? | Guttation |
| 11. ________ is the force responsible for moving water up to the tops of the tallest trees. | Transpiration |
| 12. When plants are stressed for water: | D; All of the above |
| 13. Sieve tube members are connected by _____ | Companion cells |
| 14. Transpiration rate in plants is increased by | Wind, Temperature, and Sunlight intensity. |
| 15. Pinching the top off a plant to create fuller growth involves which hormone(s)? | Auxins |
| 16. The Greek root word meaning “turning’ is the basis for the term ______. | Tropism |
| 17. What external stimuli produces a growth of the plant towards light? | Positive phototropism |
| 18. What stimuli causes roots to grow downward? | Positive gravitropism |
| 19. What stimuli causes a pea vine to twine around a wire support? | Thigmotropism |
| 20. Plant hormones are generally produced in _______ tissues. | Meristem |
| 21. What plant hormone is a growth inhibitor? | Auxins |
| 22. What plant hormone was studied in the 1880s by Charles and Francis Darwin in experiments on phototropism? | Auxin |
| 23. What plant hormone was discovered in infected rice seedlings that grew extremely tall and slender? | Gibberellin |
| 24. Dormancy in seeds and buds can be broken by the application of what plant hormone? | Gibberellin |
| 25. Application of the ______ hormone prevents plant tissues from senescing, or aging. | Cytokinin |
| 26. The ______ plant hormone is a gas. | Ethylene |
| 27. The ______ plant hormone stimulates the ripening of fruit and inhibits plant growth. | Ethylene |
| 28. The Latin root word meaning “cut off” is the basis for the term _____. | Abscission |
| 29. The plant hormone _______ is called the stress hormone because it produces dormancy in seeds and buds. | Abscisic Acid |
| 30. The plant hormone _______ is associated with the closure of the stomates in a plant under water stress. | Abscisic Acid |
| 31. How do some plants seeds “know” when it is day and night, and perhaps when to germinate? | E; All of the above |
| 32. Apical dominance in plants is due to the _______ plant hormone. | Auxins |
| 33. The name monocot and dicot are derived from the differences in the formation of what? | Seed leaves, cotyledons |
| 34. If there is only one egg in the ovule, why are two sperm needed for fertilization? | One fertilizes the egg and the other unites with the central cell to form endosperm. |
| 35. When a monocot such as corn germinates, the initial shoot is called the _____ while the initial root is called the ______. | Coleoptile; radicle |
| 36. If you have picked a bouquet of anther-less flowers, you have picked ___________________. | Female gametophytes retained within the body of sporophytes |
| 37. The microspore develops into what? | Male Gametophyte |
| 38. One of the parts in the outermost ring of floral structures, forming a bud cover, is a _____. | Sepal |
| 39. The site of formation of pollen grains is in the __________. | Stamen |
| 40. The stigma, style, and ovary are located in a carpel found in the _______. | Pistil |
| 41. The anther and filament are parts of the ________. | Stamen |
| 42. The Latin root word meaning “egg” is the basis for the term _______. | Ovule |
| 43. Ovules are contained within the what? | Ovary |
| 44. A microspore mother cell would be located where? | Anthers |
| 45. Pollen would land on the _______ during pollination. | Stigma |
| 46. Double fertilization in an angiosperm produces ___________. | A diploid zygote and a triploid endosperm |
| 47. The function of endosperm is to do what? | Provides nutrients to the embryo |
| 48. Seeds require __________ for germination to occur. | Oxygen, increased metabolism, adequate temperature and water. |
| 49. What is co-evolution? | The mutual changes in two or more species that affect their interactions |
| 50. Define photoperiodism | The response of an organism to seasonal changes in day length |
| 51. Is day or night length more important to the plants ability to flower? | Night length |
Created by:
CommanderJonno
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