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






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






4. Convert carbs into ATP






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






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






7. Produces secondary vascular tissue






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






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






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






11. Part of leaf for photosynthesis






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






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






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






16. Glycolysis - krebs cycle - electron transport chain






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






18. General purpose cell. thin primary cell wall. most common






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






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






21. Increase population fitness in unstable environments






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






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






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






25. Outer layer - barrier to animals and pathogens






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






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






28. Made of acetyl groups - structure energy and storage






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






30. Proteins - lipids - carbohydrates - and nucleic acid






31. Addition of H2O to break apart polymer






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






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






34. Large compound formed from combinations of many monomers






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






36. Sorting and shipping of molecules






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






38. Between cells






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






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






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






42. Diploid - produces spores through meiosis






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






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






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






46. Attached directly by the base






47. Provides flexible support - like in celery






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






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






50. ***lets them be sexual?