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






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






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






4. Protect the plant






5. 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.






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






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






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






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






10. Help decrease the amount of excessive nutrients that can enter the water from storm runoff.






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






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






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






14. Increases organic matter and disburses aggregates






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






16. How water is used in plants to carry nutrients






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






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






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






20. 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.






21. Refers to the movement through the soil of molecules.






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






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






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






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






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






27. The female portion of a flower






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






29. The waxy substance that makes up cuticles.






30. The male portion of a flower






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






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






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






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






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






36. 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.






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






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






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






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






41. The only vegetable used as a fruit






42. The system using two names to identify plants.






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






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






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






46. Plants retain their leaces all year






47. One of several major factors influencing soil characteristics.






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






49. Are those chemicals that control a target pest






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