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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. Have a two - year growth cycle






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






4. 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.






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






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






7. The system using two names to identify plants.






8. Plants retain their leaces all year






9. Support stems






10. Are flowers and shoots not yet developed






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






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






13. Are those chemicals that control a target pest






14. 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.






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






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






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






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






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






20. Scarring on the blossom end of a tomato






21. Cannot be fertilized by their own pollen






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






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






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






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






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






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






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






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






30. The male portion of a flower






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






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






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






34. A cluster or several flowers






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






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






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






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






39. Parent material moved by gravity






40. In design comes from elements creating a feeling of motion that can lead the eyes of a viewer through or beyond the area designed.






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






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






43. Have numerous roots that are branched out.






44. Leaf rust is a form of






45. Is where the formation of pollen takes place






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






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






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






49. What do roots do for the plant






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