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






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






3. The male portion of a flower






4. Have a two - year growth cycle






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






6. 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.






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






8. Parent material that the wind transports






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






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






11. Are the first leaves to appear after seeds germinate






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






13. 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.






14. Support stems






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






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






17. Determine how long is an internodes length






18. Is where the formation of pollen takes place






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






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






21. What do roots do for the plant






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






23. Cannot be fertilized by their own pollen






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






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






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






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






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






30. The only vegetable used as a fruit






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






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






33. The female portion of a flower






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






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






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






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






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






39. Have numerous roots that are branched out.






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






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






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






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






44. Plants retain their leaces all year






45. Formation of buds taking place.






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






47. Are flowers and shoots not yet developed






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






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






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







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Can you answer 50 questions in 15 minutes?


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