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. Parent material that the wind transports






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






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






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






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






6. How water is used in plants to carry nutrients






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






8. Cannot be fertilized by their own pollen






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






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






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






12. Plants retain their leaces all year






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






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






15. A cluster or several flowers






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






17. Pesticide is a capor or gas or it forms a cloud of vapor and gas when applied






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






19. 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.






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






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






22. Contain a strong primary root along with roots that branch out on the side






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






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






25. Support stems






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






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






28. Is where the formation of pollen takes place






29. Increases organic matter and disburses aggregates






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






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






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






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






34. Is an equality in something visually attractive






35. One of several major factors influencing soil characteristics.






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






37. The system using two names to identify plants.






38. The male portion of a flower






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






40. 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.






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






42. Are the first leaves to appear after seeds germinate






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






44. Have a two - year growth cycle






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






46. Parent material moved by gravity






47. Are those chemicals that control a target pest






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






50. The waxy substance that makes up cuticles.