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






3. Mycorrhizas and the bubble shaped guys






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






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






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






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






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






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






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






11. Glycolysis - krebs cycle - electron transport chain






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






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 secondary vascular tissue






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






17. Through cells






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






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






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






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






22. CO2 - H2O - NADH - (ATP)






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






24. Haploid - produces gametes through mitosis






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






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






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






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






29. Outer layer - barrier to animals and pathogens






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






31. Provides flexible support - like in celery






32. Attached directly by the base






33. Makes dermal tissue for bark






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






35. 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






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






37. Proteins - lipids - carbohydrates - and nucleic acid






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






39. Command center






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






41. Photosynthesis and storage






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






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






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






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






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






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






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






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






50. Synthesize proteins based on mRNA code