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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. Disease causing






2. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).






3. 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.






4. Is a phylum that contains sponges.






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






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






7. The phylum of insects (bees).






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






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






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






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






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






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






14. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side






15. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.






16. 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.






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






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






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






20. Breaking down






21. Are organic cofactors or coenzymes that are required by some enzymatic reactions.






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






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






24. 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






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






26. 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.






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






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






29. 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.






30. 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.






31. The phyla of round worms.






32. In DNA Thymine pairs with...






33. Enzymes are usually __________ to certain reactions.






34. Is the waxy protective outer coating of leaves.






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






36. All store energy within their chemical bonds.






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






38. In DNA Guanine pairs with...






39. 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.






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






41. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.






42. 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.






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






44. An orienting response to light.






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






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






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






48. Plants and animals obtain usable nitrogen






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






50. Covalent bonds