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






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






3. 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.






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






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






6. Parent material that the wind transports






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






8. Are those chemicals that control a target pest






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






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






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






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






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






14. Provide food for plants. absorb sunlight and transform it into food.






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






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






17. Cannot be fertilized by their own pollen






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






19. A stem also has a part known as a ___ - which produces tissue that lengthens the stem






20. Increases organic matter and disburses aggregates






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






22. Protect the plant






23. The female portion of a flower






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






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






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






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






28. Support stems






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






30. As in the sense of a plant part - is a structure that produces seeds.






31. 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.






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






33. A cluster or several flowers






34. Scarring on the blossom end of a tomato






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






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






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






38. Are flowers and shoots not yet developed






39. Have numerous roots that are branched out.






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






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






42. Determine how long is an internodes length






43. Are the first leaves to appear after seeds germinate






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






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






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






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






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






49. The only vegetable used as a fruit






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