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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. Are those chemicals that control a target pest






2. Is change that is gradual






3. The system that moves water and minerals is called a






4. Are created when microbes from decomposed organic matter make compounds that make soil particles hold together.






5. 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.






6. Which holds and captures pollen - and the style.






7. The ___ horizon tops the profile and contains mostly organic matter - with a decomposed vegetation structure that enriches the soil with nutrients and helps it retain moisture.






8. An embryo then develops inside a tissue that is protective and both layers are known as a






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






10. How water is used in plants to carry nutrients






11. The part of the system that moves the food is known as the






12. Increases organic matter and disburses aggregates






13. Support stems






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






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






16. Plants retain their leaces all year






17. Pollinated from the same flower or other flowes on the same






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






19. Have numerous roots that are branched out.






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






21. Are a man made means of treating water through natural processes using plants - animals - microorganisms and the environment itself.






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






23. Help decrease the amount of excessive nutrients that can enter the water from storm runoff.






24. Is moving liquid pesticide mixture through a filling hose and into a water source






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






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






27. Is an equality in something visually attractive






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






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






30. Scarring on the blossom end of a tomato






31. Are inactive parts of pesticide used for diluting a pesticide or to make it safer - easier to mix - measure - apply or more effective.






32. A condition in which wind or heat take too much water from a plant






33. This name is not always capitalized - in botany refers to a group of plants that can interbreed only among themselves






34. Leaf rust is a form of






35. Soil is undisturbed from harvest to planting - in strips up to 1/3 of the row width.






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






37. Are plants that may live multiple years and may form flowers and seeds every year






38. Is movement of nutrients to the surfaces of roots through water movement in the soil.






39. The waxy substance that makes up cuticles.






40. Have a two - year growth cycle






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






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






43. Is a wind - moved material that is silt - sized or smaller






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






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






46. Determine how long is an internodes length






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






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






49. Formation of buds taking place.






50. Contain a strong primary root along with roots that branch out on the side