Test your basic knowledge |

Subject : science
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. Attached directly by the base






2. Made of amino acids - structure (ex. cytoskeleton) - produce enzymes






3. Synthesize proteins based on mRNA code






4. Increase width (girth) of stems and roots - has vascular cambium and cork cambium






5. Biological fuel. captured and stored through photosynthesis - extracted by mitochondria






6. Between cells






7. Sorting and shipping of molecules






8. Fuel - paper - construction materials - furniture - latex - resins - syrup






9. Part of leaf that is loose for easy gas diffusion






10. Glycolysis - krebs cycle - electron transport chain






11. Allows plants to combat sessileness and control growth and allocate resources effectively to best compete/survive in their environment via meristems






12. Reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars. 1)reduction - 2)carbon fixation - 3)regeneration






13. Produces secondary vascular tissue






14. A thin membrane around the cytoplasm of a cell - gatekeeper of the cell






15. Increase population fitness in unstable environments






16. Waxy protection of leaf to protect from pathogens and let water run off it






17. Change root structure entirely - make little bubble roots to help acquire nitrogen and phosphorous in exchange for sugars






18. Photosynthesis and storage






19. Free energy in reactants stored in products (carbs)






20. Organic molecules (materials) - enzymes (workers) - DNA (blueprint)






21. Xylem and phloem - used for transportation of water and sugars in plant






22. Brings leaf water and nutrients - exports sugars






23. Ability crucial to plant structure and processing of energy - allows change to be made to help survival






24. Root hairs capture water and minerals and move them through (symplasticly) or between (apoplasticly) cells until the endodermis filters it into the vascular tissue






25. ***lets them be sexual?






26. Penetrate root cortex into vascular tissue - aid in acquiring nitrogen and phosphorous in exchange for sugars






27. Outer layer - barrier to animals and pathogens






28. When xylem is blocked by air bubbles as a result of gasses clotting together after freeze-thaw cycles or extreme water-tension






29. The part of the leaf for protection and gas exchange






30. Made of monosaccharides - building blocks of life - sugars






31. Stores water and waste and ultimately determines the shape of the cell






32. The atmosphere is 21% oxygen - so that inherently means that over time plants have taken in more CO2 than they produce. this must be the case - otherwise we would all be dead.

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33. Make long thin stems called 'runners' that grow above ground and aid in asexual reproduction






34. Comes in twos - sieve tubes (no nucleus) and companion cells (nourish sieve tubes) - transport sugars and nutrients






35. Mosses have no vascular tissue. Ferns reproduce with spores. Conifers reproduce with seeds. Flowering plants have flowers.






36. Proteins - lipids - carbohydrates - and nucleic acid






37. Position reactants so they dont require as much activation energy






38. CO2 (air) + H20 (soil) + light energy (sun) ? CH20 (carbs) + 02 (oxygen)






39. Practice of employing management strategies to allow healthy return of timber harvest. (ex. leave mature trees - plant seedlings)






40. Second stage of cellular respiration - in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions






41. Inter-cellular links for long distance transportation of nutrients






42. Provide oxygen - food - medicine - fuel - shelter - paper products - beauty






43. Lengthen roots and stem - produce xylem and phloem - ground tissue - and epidermis






44. Spore that gives rise to independent bisexual gametophyte that produces both egg and sperm (mosses and ferns)






45. Convert light energy to chemical energy






46. Production of two spore types (gymnosperms and angiosperms)






47. Position leaves for max photosynthesis - provide resource transportation and storage - escape herbivores






48. Removal of H2O to link monomer and polymers






49. CO2 (exhale) + H20 + ATP (energy) ? CH20 (food) + 02 (air)






50. Makes dermal tissue for bark