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






2. 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.






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






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






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






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






7. Are flowers and shoots not yet developed






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






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






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






11. The only vegetable used as a fruit






12. Is a hormone for plants and growth regulator






13. The waxy substance that makes up cuticles.






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






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






16. Repeated features such as plants. These features have like shape - form - texture - and color.






17. The female portion of a flower






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






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






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






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






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






23. In design comes from elements creating a feeling of motion that can lead the eyes of a viewer through or beyond the area designed.






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






25. Are those chemicals that control a target pest






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






27. A cluster or several flowers






28. The system using two names to identify plants.






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






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






31. 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.






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






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






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






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






36. Are plants that may live multiple years and may form flowers and seeds every year






37. 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.






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






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






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






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






42. Have numerous roots that are branched out.






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






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






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






46. One of several major factors influencing soil characteristics.






47. Parent material that the wind transports






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






49. Plants retain their leaces all year






50. 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.