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






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






3. Are flowers and shoots not yet developed






4. 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.






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






6. The system using two names to identify plants.






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






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






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






10. Have numerous roots that are branched out.






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






12. Protect the plant






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






14. Are the first leaves to appear after seeds germinate






15. Leaf rust is a form of






16. 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.






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






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






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






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






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






22. Cannot be fertilized by their own pollen






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






24. 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.






25. Is leading a visual observation toward a certain feature by planting the feature at a vanishing point that is between radial or approaching straight lines.






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






27. Plants retain their leaces all year






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






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






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






31. What do roots do for the plant






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






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






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






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






36. Is a hormone for plants and growth regulator






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






38. Parent material moved by gravity






39. One of several major factors influencing soil characteristics.






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






41. A cluster or several flowers






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






43. The only vegetable used as a fruit






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






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






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






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






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






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






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