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. Alternate between sporophyte and gametophyte in the plant life cycle






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






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






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






5. Outer layer - barrier to animals and pathogens






6. Between cells






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






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






9. Sorting and shipping of molecules






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






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






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






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






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






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






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






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. Part of calvin cycle where ATP and NADH are created






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






20. Photosynthesis and storage






21. Convert light energy to chemical energy






22. Part of leaf for photosynthesis






23. Attached directly by the base






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






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






26. Increase population fitness in unstable environments






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






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






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






30. Command center






31. Through cells






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






33. Makes dermal tissue for bark






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






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






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






37. Produces secondary vascular tissue






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






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






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






41. Provides flexible support - like in celery






42. 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






43. CO2 - H2O - NADH - (ATP)






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






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






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






47. Special pointy leaves made to protect the stem






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






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






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