Test your basic knowledge |

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. 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.






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






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






4. The only vegetable used as a fruit






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






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






7. Are those chemicals that control a target pest






8. The female portion of a flower






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






10. Come from effective components used to express a main idea through a consistent style






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






12. A tomato disorder marked by a black or leathery brown spot on the fruits bottom.






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






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






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






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






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






18. Is breaking soil out of clods and breaking in finer clumps. Do this after you plow.






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






20. The system using two names to identify plants.






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






22. Are the first leaves to appear after seeds germinate






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






24. Increases organic matter and disburses aggregates






25. Support stems






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






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






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






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






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






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






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






33. A protective layer outside the surface of a leaf.






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






35. Formation of buds taking place.






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






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






38. Occurs when pollen is carried from one plant to another






39. Plants retain their leaces all year






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






41. The loss of water by plants from both evaporation and transpiration.






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






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






44. The growing of roots into new soil that contacts available nutrients






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






46. 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.






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






48. Is change that is gradual






49. Have numerous roots that are branched out.






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