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






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






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






4. Increases organic matter and disburses aggregates






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






6. Plants retain their leaces all year






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






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






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






10. Leaf rust is a form of






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






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






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






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






15. 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.






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






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






19. Have a two - year growth cycle






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






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






22. Is where the formation of pollen takes place






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






24. The female portion of a flower






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






26. 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.






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






28. Is an equality in something visually attractive






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






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






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






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






33. Parent material moved by gravity






34. Support stems






35. What do roots do for the plant






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






37. 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.






38. Parent material that the wind transports






39. 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.






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






41. Protect the plant






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






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






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






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






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






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






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






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






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