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. Diploid - produces spores through meiosis






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






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






4. 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






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






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






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






8. CO2 - H2O - NADH - (ATP)






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






10. Large compound formed from combinations of many monomers






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






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






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






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






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






16. Between cells






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






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






19. Outer layer - barrier to animals and pathogens






20. Cytoskeleton -- motor proteins carry molecules and organelles across microtubule tracks






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






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






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






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






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






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






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






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






29. Through cells






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






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






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






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






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






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






37. Made of acetyl groups - structure energy and storage






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






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






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






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. Provides flexible support - like in celery






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






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






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






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






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






48. Special pointy leaves made to protect the stem






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






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






Can you answer 50 questions in 15 minutes?



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