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






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






3. The only vegetable used as a fruit






4. The female portion of a flower






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






6. Scarring on the blossom end of a tomato






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






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






9. Protect the plant






10. One of several major factors influencing soil characteristics.






11. Formation of buds taking place.






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






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






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






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






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






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






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






19. Have a two - year growth cycle






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






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






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






23. Increases organic matter and disburses aggregates






24. 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.






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






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






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






28. Are inactive parts of pesticide used for diluting a pesticide or to make it safer - easier to mix - measure - apply or more effective.






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






30. Is where the formation of pollen takes place






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






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






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






34. Support stems






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






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






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






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






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






40. Is change that is gradual






41. A cluster or several flowers






42. Determine how long is an internodes length






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






44. Parent material that the wind transports






45. Are those chemicals that control a target pest






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






47. Plants retain their leaces all year






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






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






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