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






2. Materials developing or weathering in place and are not transported






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






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






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






6. Are the first leaves to appear after seeds germinate






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






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






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






10. Are flowers and shoots not yet developed






11. Is where the formation of pollen takes place






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






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






14. Protect the plant






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






16. Plants retain their leaces all year






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






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






19. Is change that is gradual






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






21. A cluster or several flowers






22. Are those chemicals that control a target pest






23. When light is used to convert carbon dioxide and water into plant food.






24. Below the O horizon - the __ horizon is where the mineral soil begins. It combines organic matter with weathered products.






25. 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.






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






27. The only vegetable used as a fruit






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






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






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






31. The system using two names to identify plants.






32. 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.






33. The opposite of photosynthesis - uses food and oxygen to change chemical energy into heat for plants.






34. Increases organic matter and disburses aggregates






35. Determine how long is an internodes length






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






37. Leaf rust is a form of






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






39. Refers to woody plants that lse leaves or needle each winter






40. Are new of hybrid plants in which hybridization has been manipulated by humans






41. The male portion of a flower






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






43. 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.






44. Formation of buds taking place.






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






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






47. Support stems






48. The female portion of a flower






49. One of several conservation tillage types used to cover 30 percent or more of pasture with crop residue.






50. Is leading a visual observation toward a certain feature by planting the feature at a vanishing point that is between radial or approaching straight lines.