Test your basic knowledge |

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Part of calvin cycle where ATP and NADH are turned into G3P (sugar)






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






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






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






5. Made of acetyl groups - structure energy and storage






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






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






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






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






10. Have underground stems that store starch (ex. potato)






11. CO2 - H2O - NADH - (ATP)






12. Convert light energy to chemical energy






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






14. Attached directly by the base






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






16. 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






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






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






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






21. Large compound formed from combinations of many monomers






22. Increase population fitness in unstable environments






23. Consists of dead hollowed out cells - come in tracheids (long) or vessels (short) - move water in plant






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






25. Outer layer - barrier to animals and pathogens






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






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






28. 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






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






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






31. A chemical reaction involving the transfer of one or more electrons from one reactant to another; also called oxidation-reduction reaction.






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






33. Haploid - produces gametes through mitosis






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






35. A simple compound whose molecules can join together to form polymers






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






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






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






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






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






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






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






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






44. Produces megagametophyte that stays with sporophyte plant (produces egg)






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






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






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






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






49. Cell walls of cellulose - photosynthesis - indeterminate growth - asexual and sexual reproduction






50. Command center







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