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






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






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






4. One of several major factors influencing soil characteristics.






5. Scarring on the blossom end of a tomato






6. The only vegetable used as a fruit






7. Cannot be fertilized by their own pollen






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






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






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






11. 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.






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






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






14. Plants retain their leaces all year






15. 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.






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






17. Reducing a design to its simplest and most functional form.






18. Determine how long is an internodes length






19. Which holds and captures pollen - and the style.






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






22. The system using two names to identify plants.






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






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






25. Uses a variety of combinations to control pest - generally one that does the least harm to the pest of the environment.






26. Is moving liquid pesticide mixture through a filling hose and into a water source






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






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






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






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






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






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






33. The waxy substance that makes up cuticles.






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






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






36. Leaf rust is a form of






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






38. The female portion of a flower






39. Parent material moved by gravity






40. Are flowers and shoots not yet developed






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






42. Is where the formation of pollen takes place






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






44. Are the first leaves to appear after seeds germinate






45. 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.






46. Is a hormone for plants and growth regulator






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






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






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






50. What do roots do for the plant