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






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






3. The female portion of a flower






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






5. The system using two names to identify plants.






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






7. Formation of buds taking place.






8. 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.






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






10. 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.






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






12. Have a two - year growth cycle






13. Parent material moved by gravity






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






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






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






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






18. Is change that is gradual






19. The only vegetable used as a fruit






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






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






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






23. Increase the roots capacity to absorb to water and nutrients






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






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






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






27. What do roots do for the plant






28. Support stems






29. Are the first leaves to appear after seeds germinate






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






31. Refers to how well a plant can survive cold temperatures






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






33. Are organisms that can kill or reduce the ability to reporduce in other organisms






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






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






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






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






38. Are tiny leaf openings on the leaf surface - allows plants to release and take in gases - such as carbon dioxide - oxygen - and water vapor






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






40. One of several major factors influencing soil characteristics.






41. Leaf rust is a form of






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






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






44. Is where the formation of pollen takes place






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






46. Is a hormone for plants and growth regulator






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






48. Is an equality in something visually attractive






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






50. How water is used in plants to carry nutrients