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






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






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






4. In design comes from elements creating a feeling of motion that can lead the eyes of a viewer through or beyond the area designed.






5. The female portion of a flower






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






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






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






9. Scarring on the blossom end of a tomato






10. Are the first leaves to appear after seeds germinate






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






12. Is where the formation of pollen takes place






13. Protect the plant






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






15. Reducing a design to its simplest and most functional form.






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






17. 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.






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






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






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






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






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






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






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






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






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






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






28. What do roots do for the plant






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






30. 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.






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






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






33. Is change that is gradual






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






35. 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.






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






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






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






39. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.






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






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






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






43. 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.






44. The waxy substance that makes up cuticles.






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






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






47. Parent material moved by gravity






48. The system that moves water and minerals is called a






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






50. Increases organic matter and disburses aggregates







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