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. When light is used to convert carbon dioxide and water into plant food.






2. One of several major factors influencing soil characteristics.






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






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






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






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






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






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






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






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






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






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






13. Determine how long is an internodes length






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






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






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






17. 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.






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






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






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






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






22. Have numerous roots that are branched out.






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






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






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






26. Leaf rust is a form of






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






28. Parent material moved by gravity






29. The male portion of a flower






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






31. How water is used in plants to carry nutrients






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






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






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






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






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






37. Are flowers and shoots not yet developed






38. Is change that is gradual






39. Are the first leaves to appear after seeds germinate






40. Parent material that the wind transports






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






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






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






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






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






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






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






48. Cannot be fertilized by their own pollen






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






50. Are those chemicals that control a target pest