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






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






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






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






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






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






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






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






9. Parent material moved by gravity






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






11. Have numerous roots that are branched out.






12. Is a hormone for plants and growth regulator






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






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






15. Have a two - year growth cycle






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






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






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






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






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






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






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






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






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






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






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






27. Plants retain their leaces all year






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






29. Is change that is gradual






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






31. Is an equality in something visually attractive






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






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






34. Determine how long is an internodes length






35. What do roots do for the plant






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






37. 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.






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






39. The male portion of a flower






40. 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.






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






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






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






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






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






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






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






48. A cluster or several flowers






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






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