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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. The preservation of the integrity of genetic information from one generation to another.






2. Covers and protects the leaf.






3. The phylum of insects (bees).






4. Some energy is lost as heat and becomes unusable.






5. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.






6. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.






7. Is a phylum that contains jellyfish - hydra - etc.






8. 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.






9. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.






10. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.






11. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.






12. Can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.






13. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.






14. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.






15. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.






16. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.






17. Is found on the stem between nodes.






18. Contain one celled eukaryotes such as algae and protozoa.






19. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.






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






21. The systematic search for individuals with a specific genotype in a delineated population.






22. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.






23. Most fossils of Hominids are from continents other than...






24. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.






25. Protein synthesis






26. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.






27. The phyla of round worms.






28. The vocal cords are found in the larynx.






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






30. Mitochondria - they constitute the center of cellular respiration.

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






32. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.






33. The pituitary gland.






34. (of some plants or fungi) feeding on dead or decaying organic matter






35. All store energy within their chemical bonds.






36. Is the sugar that lactase acts upon.






37. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.






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






39. 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






40. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).






41. The destruction of gametes - (sex cells such as sperm and eggs).






42. Refers to the birthrate of a population.






43. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






44. The sharp boundary of an ecosystem.






45. Engages in both passive and active transport.






46. This is a carboxyl group and is the signature group found within organic acids.






47. An orienting response to light.






48. 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.






49. 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.






50. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.






Can you answer 50 questions in 15 minutes?



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