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 wind - moved material that is silt - sized or smaller






2. Is an equality in something visually attractive






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






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






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






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






7. What do roots do for the plant






8. Increase the roots capacity to absorb to water and nutrients






9. Have a two - year growth cycle






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






11. A cluster or several flowers






12. The system using two names to identify plants.






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






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






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






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






17. Are those chemicals that control a target pest






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






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






20. Is a hormone for plants and growth regulator






21. Have numerous roots that are branched out.






22. 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.






23. Scarring on the blossom end of a tomato






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






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






26. Flowers with several simple pistils formed






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






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






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






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






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






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






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






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






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






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






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






38. 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.






39. Are flowers and shoots not yet developed






40. An embryo then develops inside a tissue that is protective and both layers are known as a






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






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






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






45. Are the first leaves to appear after seeds germinate






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






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






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






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






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