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






2. The male portion of a flower






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






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






5. The waxy substance that makes up cuticles.






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






7. Parent material moved by gravity






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. Protect the plant






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






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






12. Formation of buds taking place.






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






14. How water is used in plants to carry nutrients






15. Are the first leaves to appear after seeds germinate






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






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






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






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






20. Are a man made means of treating water through natural processes using plants - animals - microorganisms and the environment itself.






21. Scarring on the blossom end of a tomato






22. Are those chemicals that control a target pest






23. Parent material that the wind transports






24. 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.






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






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






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






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






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






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






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






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






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






34. Support stems






35. Flowers with several simple pistils formed






36. One of several major factors influencing soil characteristics.






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






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






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






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






41. In a tomato is from a fast uptake of water such as from sownpurs or excessive watering.






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






43. A cluster or several flowers






44. 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.






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






46. Is a hormone for plants and growth regulator






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






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






49. The only vegetable used as a fruit






50. 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.