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






2. Through cells






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






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






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






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






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






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






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






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






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






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






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






14. Produce vessels year round (ex. northern Arizona aspen)






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






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






17. Between cells






18. Special pointy leaves made to protect the stem






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






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






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






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






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






24. Mycorrhizas and the bubble shaped guys






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






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






27. Convert carbs into ATP






28. Brings leaf water and nutrients - exports sugars






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






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






31. Made of acetyl groups - structure energy and storage






32. Provides flexible support - like in celery






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






34. Sorting and shipping of molecules






35. 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






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






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






38. Part of calvin cycle where five G3Ps are recycled - processed - and linked to form more materials for carbon fixation






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






40. Makes dermal tissue for bark






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






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






43. 1. Prokaryotes are approximately the same size as their organelle counterparts. 2. Double membrane 3. Chloroplasts and mitochondria have their own unique circular DNA






44. Produces bisexual spores - they become gametophytes w/ egg and sperm (study the picture)






45. Proteins - lipids - carbohydrates - and nucleic acid






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






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






48. 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






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






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