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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. High temperatures






2. 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.






3. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.






4. The vocal cords are found in the larynx.






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






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






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






8. 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.






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






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






11. The individual we recognize as an adult fern.






12. Cleave strands of DNA segments at certain sites.






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






14. The phyla composed of segmented worms.






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






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






17. 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).






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






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






20. Allows for the genetic code to be preserved in future generations of cells.






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






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






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

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






25. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






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






27. 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






28. Carbon - Hydrogen - Oxygen - and Nitrogen






29. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh






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






31. The class composed of birds.






32. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.






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






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






35. Controls hunger and thirst






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






37. It secretes saliva which enters the digestive tract and aids the digestive process.






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






39. 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.






40. 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.






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






42. Is found in the root cap and is responsible for quick growth in the roots.






43. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.






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






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






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






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






48. 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.






49. 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.






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