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






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






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






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






5. Examples os plants classified by growth patterns - have conducting rubes throughout their stems






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






7. Is a hormone for plants and growth regulator






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






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






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






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






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






13. Formation of buds taking place.






14. The waxy substance that makes up cuticles.






15. Leaf rust is a form of






16. Are the first leaves to appear after seeds germinate






17. Flowers with several simple pistils formed






18. Scarring on the blossom end of a tomato






19. 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.






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






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






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






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






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






25. The female portion of a flower






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






27. Determine how long is an internodes length






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






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






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






31. Protect the plant






32. Is an equality in something visually attractive






33. Is change that is gradual






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






35. The male portion of a flower






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






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






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






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






40. Refers to the first name used in binomial nomenclature. Capitalized word that refers to a plant cluster that has similarities that can be recognized easily.






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






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






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






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






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






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






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






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






49. 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.






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