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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. Flowers with several simple pistils formed






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






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






4. 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.






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






6. What do roots do for the plant






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






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






9. Parent material moved by gravity






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






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






12. 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.






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






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






15. Determine how long is an internodes length






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






17. Leaf rust is a form of






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






19. Scarring on the blossom end of a tomato






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






21. The male portion of a flower






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






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






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






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






26. Have numerous roots that are branched out.






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






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






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






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






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






32. The system using two names to identify plants.






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






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






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






36. 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.






37. Are flowers and shoots not yet developed






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






39. Protect the plant






40. One of several major factors influencing soil characteristics.






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






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






43. Refers to how well a plant can survive cold temperatures






44. Is a reference to the size of portions of the design in relation to one another.






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






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






47. Is where the formation of pollen takes place






48. Is change that is gradual






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






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