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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 phyla of sponges.






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






3. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.






4. 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.






5. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.






6. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.






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






8. 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.






9. Is disorganized - unravelled - DNA with histones attached.






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






11. The pituitary gland.






12. Covalent bonds






13. Some enzymes contain a __________ component that is essential to their functions.






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






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






16. Must be present for photosynthesis to occur - it is not used up in the process.






17. High temperatures






18. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.






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






20. Process of breaking down complex materials (foods) to form simpler substances and release energy.






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






22. Controls hunger and thirst






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






24. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.






25. Controls olfactory lobes (smell)






26. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).






27. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.






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






29. The phyla of round worms.






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






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






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






33. 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.






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






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






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






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






38. Layer that will become the gut lining as well as some accessory structures.






39. A suffix meaning 'to break apart.' O || ||






40. An orienting response to light.






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






42. Controls balance and muscle coordination






43. All store energy within their chemical bonds.






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






45. Is a special protein that acts as a catalyst for organic reactions.






46. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting






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






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






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






50. When the water concentration inside and outside the cell is equal - It is said to be in an...