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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. Materials developing or weathering in place and are not transported






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






3. Leaf rust is a form of






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






5. One of several major factors influencing soil characteristics.






6. Scarring on the blossom end of a tomato






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






8. How water is used in plants to carry nutrients






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






10. Parent material moved by gravity






11. Plants retain their leaces all year






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






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






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






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






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






17. The system using two names to identify plants.






18. Have a two - year growth cycle






19. The only vegetable used as a fruit






20. Parent material that the wind transports






21. Is where the formation of pollen takes place






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






23. 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.






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






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






26. The female portion of a flower






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






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






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






30. Flowers with several simple pistils formed






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






32. Increases organic matter and disburses aggregates






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






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






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






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






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






38. 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.






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






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






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






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






43. 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.






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






45. Is a hormone for plants and growth regulator






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






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






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






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






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