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






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






3. Leaf rust is a form of






4. Are those chemicals that control a target pest






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






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






7. Cannot be fertilized by their own pollen






8. 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.






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






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






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






12. Is an equality in something visually attractive






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






14. Parent material that the wind transports






15. Come from effective components used to express a main idea through a consistent style






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






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






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






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






20. Flowers with several simple pistils formed






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






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






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






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






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






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






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






28. Scarring on the blossom end of a tomato






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






30. Is change that is gradual






31. Determine how long is an internodes length






32. Support stems






33. Increases organic matter and disburses aggregates






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






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






37. The male portion of a flower






38. 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.






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






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






41. 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.






42. One of several major factors influencing soil characteristics.






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






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






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






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






47. Are flowers and shoots not yet developed






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






49. The system using two names to identify plants.






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