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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. Increases organic matter and disburses aggregates






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






3. Are flowers and shoots not yet developed






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






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






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






7. The only vegetable used as a fruit






8. Cannot be fertilized by their own pollen






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






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






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






12. Is a hormone for plants and growth regulator






13. 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.






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






15. A cluster or several flowers






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






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






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






19. Are the first leaves to appear after seeds germinate






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






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






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






23. The waxy substance that makes up cuticles.






24. Plants retain their leaces all year






25. Is where the formation of pollen takes place






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






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






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






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






30. Parent material moved by gravity






31. One of several major factors influencing soil characteristics.






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






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






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






35. Leaf rust is a form of






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






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






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






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






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






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






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






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






44. 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.






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






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






47. Have a two - year growth cycle






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






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






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