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






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






3. Formation of buds taking place.






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






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






6. 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.






7. The system using two names to identify plants.






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






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






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






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






12. Support stems






13. Protect the plant






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






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






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






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






18. Have a two - year growth cycle






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






20. The waxy substance that makes up cuticles.






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






22. Parent material that the wind transports






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






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






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






26. What do roots do for the plant






27. Cannot be fertilized by their own pollen






28. Is change that is gradual






29. Leaf rust is a form of






30. 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.






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






32. How water is used in plants to carry nutrients






33. Are the first leaves to appear after seeds germinate






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






35. Are flowers and shoots not yet developed






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






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






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






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






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






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






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






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






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






45. Plants retain their leaces all year






46. The only vegetable used as a fruit






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






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






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






50. This name is not always capitalized - in botany refers to a group of plants that can interbreed only among themselves