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CLEP Biology

Subjects : clep, science, biology
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. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil






2. Is a substance that changes the speed of a reaction without being affected itself.






3. What phylum are snakes in?






4. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.






5. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






6. Includes all living and nonliving components of the Earth to support living things.






7. The size of a cell is limited by the ratio of its surface area to volume.






8. Contains organisms that are multicellular eukaryotes including molds and mushrooms.






9. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).






10. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.






11. A hydrogen bond involves the ________________ and can be easily broken.






12. An orienting response to light.






13. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






14. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.






15. Is a packet of digestive enzymes that destroy cellular wastes.






16. Nonvascular plants such as mosses which lack tissue for conducting food or water.






17. Is a coenzyme required in the synthesis of collagen.






18. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






19. Is a phylum that contains sponges.






20. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.






21. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.






22. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).






23. Contains optic lobes - controls sight.






24. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.






25. The total amount of genetic information available for a given species.






26. The vocal cords are found in the larynx.






27. In DNA Guanine pairs with...






28. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.






29. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






30. The large brain and upright posture of Homo Sapiens...






31. High temperatures






32. Controls hunger and thirst






33. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.






34. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.






35. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.






36. Stood upright before there was an increase in brain size.






37. Is a social behavior of an organism that is beneficial to the group at the individual's expense.






38. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.






39. Covers and protects the leaf.






40. Develops from the morula as a thin layer of cells surrounding an internal cavity.






41. Algae and Protozoa belong to the kingdom...






42. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.






43. Is weaker than ionic - covalent - disulfide - or double bonds.






44. Ended with the extinction of the dinosaurs.






45. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.






46. Synthesis






47. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.






48. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.






49. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.






50. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size







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