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






2. The system using two names to identify plants.






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






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






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






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






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






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






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






10. Plants retain their leaces all year






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






12. The female portion of a flower






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






14. Have a two - year growth cycle






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






16. 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.






17. A cluster or several flowers






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






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






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






21. Parent material that the wind transports






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






23. Is a hormone for plants and growth regulator






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






25. Support stems






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






27. Are those chemicals that control a target pest






28. Parent material moved by gravity






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






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






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






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






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






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






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






37. Is where the formation of pollen takes place






38. Are flowers and shoots not yet developed






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






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






41. The waxy substance that makes up cuticles.






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






43. The only vegetable used as a fruit






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






45. The male portion of a flower






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






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






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






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






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