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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 a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






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






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






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






5. 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.






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






7. Is the process that releases energy for use by the cell.






8. 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






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






10. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.






11. 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.






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






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






14. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.






15. Breaking down






16. The role played by an organism in its food chain.






17. Niche






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

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19. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor






20. 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.






21. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.






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






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






24. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).






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






26. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.






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






28. Respiratory organs within insects






29. The phylum of insects (bees).






30. The vocal cords are found in the larynx.






31. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).






32. Is a kingdom that includes algae and protozoa.






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






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






35. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.






36. An enzyme is unaffected by the reactions it catalyzes






37. Absorb a photon of light and is found in the grana of the chloroplast.






38. 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.






39. Engages in both passive and active transport.






40. 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.






41. The number of organisms in a given community - can be above or below the carrying capacity.






42. The process of forming eggs and sperm cells in the reproductive organs.






43. High temperatures






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






45. Has loosely packed cells that allow for gas and moisture exchange.






46. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.






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






48. 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.






49. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.






50. Anabolism






Can you answer 50 questions in 15 minutes?



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