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. Anchor the plant - collect water and nutrients from the ground






2. Convert carbs into ATP






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






4. 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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5. First step in releasing the energy of glucose - in which a molecule of glucose is broken into two molecules of pyruvic acid






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






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






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






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






10. 1) taking wood from an ecosystem also takes nutrients 2) seedling establishment isn't that easy -- lots of competition and herbivory to overcome in building a new forest






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






12. Attach themselves to other plants and suck nutrients out of the air (fog - humidity)






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






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






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






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






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






18. Synthesize proteins based on mRNA code






19. Photosynthesis and storage






20. Through cells






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






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






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






24. Outer layer - barrier to animals and pathogens






25. Convert light energy to chemical energy






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






27. Made of acetyl groups - structure energy and storage






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






29. Special pointy leaves made to protect the stem






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






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






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






33. Command center






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






35. Produces secondary vascular tissue






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






37. A series of proteins in which the high-energy electrons from the Krebs cycle are used to convert ADP into ATP by redox reactions






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






39. Brings leaf water and nutrients - exports sugars






40. Rigid support - mostly found in bark. two types -- fibers and sclereids






41. 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






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






43. Between cells






44. Web of protein strands throughout the cell that allows organelles and molecules to move via motor proteins






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






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






47. Stick straight up and act like straws in swamp and mangrove plants






48. Haploid - produces gametes through mitosis






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






50. Produces microgametophyte that stays with sporophyte plant (produces egg)






Can you answer 50 questions in 15 minutes?



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