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






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






3. Are those chemicals that control a target pest






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






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






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






7. Is where the formation of pollen takes place






8. Have numerous roots that are branched out.






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






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






11. 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.






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






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






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






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






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






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






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






19. Have a two - year growth cycle






20. One of several major factors influencing soil characteristics.






21. A cluster or several flowers






22. The male portion of a flower






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






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






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






26. 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.






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






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






29. Is a hormone for plants and growth regulator






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






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






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






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






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






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






36. The system using two names to identify plants.






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






38. Are the first leaves to appear after seeds germinate






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






40. Leaf rust is a form of






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






42. The only vegetable used as a fruit






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






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






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






46. 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.






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






48. Cannot be fertilized by their own pollen






49. The part of the system that moves the food is known as the






50. Determine how long is an internodes length