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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. 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.






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






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






4. Are those chemicals that control a target pest






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






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






7. Plants retain their leaces all year






8. Determine how long is an internodes length






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






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






11. The female portion of a flower






12. Is a hormone for plants and growth regulator






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






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






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






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






17. Have a two - year growth cycle






18. Formation of buds taking place.






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






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






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






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






23. A cluster or several flowers






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






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






26. Are the first leaves to appear after seeds germinate






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






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






29. The only vegetable used as a fruit






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






31. 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.






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






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






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






35. 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.






36. Increases organic matter and disburses aggregates






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






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






39. The system using two names to identify plants.






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






41. 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.






42. 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.






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






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






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






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






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






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






49. One of several major factors influencing soil characteristics.






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