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Praxis Plant Science Botany

Subjects : praxis, botany
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Parent material moved by gravity






2. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.






3. When soil detaches from a portion of the soil profile or the surface of the soil






4. Always develop from a flower and has at least one ovary that has ripened






5. Refers to plants with only male or female flower on a single plant such as hollies






6. The waxy substance that makes up cuticles.






7. Refers to the movement through the soil of molecules.






8. Trunks for a plant. support leaves - fruits - and flowers. May also take in nutrients and store food.






9. Are the smallest known living organisms that may reporuce and live apart from other living organisms.






10. Below the A horizon - the ___ horizon is usually light colored layer - with clay particles having been leached or removed. Contains organic matter as well as iron oxides and aluminum.






11. Ripe ovaries or groups of ripened ovaries that contain seeds.






12. Increases organic matter and disburses aggregates






13. A process in which nitrogen gas in the atmosphere is converted into ammonia.






14. Have a two - year growth cycle






15. Reducing a design to its simplest and most functional form.






16. By crops is dependent on the soils nutrient supply - the area of the root surface area and the root activity.






17. Refer in botanical use as the edible parts of plant - other than the flower






18. Are plants grouped because of its ability to grow in girth






19. For each field should then be analyzed based on the soil productivity and management that is intended.






20. Should be used when mixed plantings are made during marginal planting periods.






21. The soils should be avoided because it pushes aggregates together - causing them to eventually break down






22. The female portion of a flower






23. What do roots do for the plant






24. Are groups of plants developing new characteristics that occur naturally though hybridization.






25. Cannot be fertilized by their own pollen






26. Is an equality in something visually attractive






27. A stem also has a part known as a ___ - which produces tissue that lengthens the stem






28. Is change that is gradual






29. Determine how long is an internodes length






30. As in the sense of a plant part - is a structure that produces seeds.






31. Below the E horizon - the ___ horizon is where fine material has accumulated to create a dense layer in the soil. May be enriched with calcium carbonate in the form of a layer or nodule.






32. Is a cyclic irrigation application that delivers water to land during a series of on and off time spans known as hydraulic surges.






33. How water is used in plants to carry nutrients






34. Plants that live their entire life cycle n one growing season






35. Materials that are moved by streams and deposited into fresh water.






36. Are those chemicals that control a target pest






37. Uses a variety of combinations to control pest - generally one that does the least harm to the pest of the environment.






38. A cluster or several flowers






39. Pesticide is a capor or gas or it forms a cloud of vapor and gas when applied






40. Parent material that the wind transports






41. Are brightly colored forms in which leaves may be modified






42. Full width tilage involving one or more trips during the soil surface is tilled. Done before or during planting.






43. A technology for growing plants in nutrient solutions with an artificial medium that providing mechanical support.






44. Is where the formation of pollen takes place






45. The system that allows the lifeblood or water - nutrients and food through the plant






46. Protect the plant






47. Refers to a plant froup with male and female plants occuring on the same plant such as corn and squash






48. Is a reference to the size of portions of the design in relation to one another.






49. Repeated features such as plants. These features have like shape - form - texture - and color.






50. Leaf rust is a form of






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