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. Are created when microbes from decomposed organic matter make compounds that make soil particles hold together.






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






3. Scarring on the blossom end of a tomato






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






5. 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.






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






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






8. Are plants that may live multiple years and may form flowers and seeds every year






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






10. Determine how long is an internodes length






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






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






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






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






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






16. The female portion of a flower






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






18. The only vegetable used as a fruit






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






20. Increases organic matter and disburses aggregates






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






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






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






24. Have a two - year growth cycle






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






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






27. 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.






28. Leaf rust is a form of






29. Are flowers and shoots not yet developed






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






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






32. A cluster or several flowers






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






34. Protect the plant






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






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






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






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






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






40. Have numerous roots that are branched out.






41. What do roots do for the plant






42. Parent material that the wind transports






43. Are the first leaves to appear after seeds germinate






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






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






46. 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.






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






48. Support stems






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






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