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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. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t






2. In DNA Thymine pairs with...






3. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).






4. Is a kingdom that includes algae and protozoa.






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






6. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.






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






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






9. Are cells involved in immunity and are produced in bone marrow as stem cells.






10. Controls hunger and thirst






11. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re






12. Breaking down






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






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






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






16. The phyla composed of segmented worms.






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






18. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).






19. In both living and non-living environments.






20. Energy transformations that occur as chemicals are broken down or synthesized within the cell.






21. 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.






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






23. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.






24. The pituitary gland.






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






26. Is the outermost layer of cells of the stem.






27. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.






28. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.






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






30. What phylum are snakes in?






31. Super-class of vertebrae including organisms with jaws.






32. The class composed of birds.






33. Layer that will become the skin - some endocrine glands - and the nervous system.






34. 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.






35. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).






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






37. Refers to the birthrate of a population.






38. Is an ion that binds to an enzyme making it more able to catalyze a reaction.






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






40. 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.






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






42. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.






43. Is the outermost of the three main layers of an embryo.






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






45. The sharp boundary of an ecosystem.






46. High temperatures






47. Is a molecule that stores information for protein synthesis and genetic coding.






48. 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.






49. Is the number of organisms that can be supported within a particular ecosystem.






50. Contains optic lobes - controls sight.






Can you answer 50 questions in 15 minutes?



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