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






2. Through cells






3. Alternate between sporophyte and gametophyte in the plant life cycle






4. Special leaves that act as arms that pull up or support the stem






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






6. The OEC splits water and transfers the electrons to the P680 or cholorphyll reaction center. In the meantime - the photosystem is absorbing light energy and funnels the energy into the p680 - from which - through a series of redox reactions - the kin






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






8. Organic compounds not directly involved in normal growth of organism. Facilitates reproduction and defense against predators.






9. Produce vessels in spring and tracheids in winter (ex. oak tree)






10. Makes dermal tissue for bark






11. Develop bordered pits to prevent spreading of bubbles - tracheids let water move laterally - refill at night - produce new xylem every spring






12. Special pointy leaves made to protect the stem






13. Gather and convert light energy - control CO2 and water loss






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






15. Glycolysis - krebs cycle - electron transport chain






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






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






18. Photosynthesis and storage






19. Number of ATP molecules from 1 glucose in cellular respiration (total produced -- 38 - total yield -- 36)






20. Free energy plants get out of the reactant's potential energy






21. Proteins - lipids - carbohydrates - and nucleic acid






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






23. Increase population fitness in unstable environments






24. Sorting and shipping of molecules






25. Root apical meristem (quiescent center - or zone of cell division) - zone of elongation - zone of maturation






26. Indeterminate growth - assisted reproduction - protection (chemical deterence - spikes - internal resource transport)






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






28. Flower to play the role of the gametophyte - producing two different spore types






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






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






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






32. Part of calvin cycle where ATP and NADH are turned into G3P (sugar)






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






34. Molecule manufacturing where ribosomes are - and then products are sent to the Golgi Apparatus






35. Convert light energy to chemical energy






36. Made of cellulose - structure and inter-cellular transportation of nutrients via plasmodesmata.






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






38. Part of calvin cycle where ATP and NADH are created






39. ***lets them be sexual?






40. More effective in stable environments - focus on fast growth without competition






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






42. Large compound formed from combinations of many monomers






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






44. 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






45. Outer layer - barrier to animals and pathogens






46. Synthesize proteins based on mRNA code






47. 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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48. The part of the leaf for protection and gas exchange






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






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







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