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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 molecule that stores information for protein synthesis and genetic coding.






2. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.






3. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.






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






5. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).






6. This is a carboxyl group and is the signature group found within organic acids.






7. Controls olfactory lobes (smell)






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






9. Is the waxy protective outer coating of leaves.






10. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.






11. The transfer of electrons.






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






13. The preservation of the integrity of genetic information from one generation to another.






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






15. Controls balance and muscle coordination






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






17. Refers to the birthrate of a population.






18. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.






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






20. Veins in the leaf and are also distributed throughout the stem






21. All store energy within their chemical bonds.






22. An enzyme is unaffected by the reactions it catalyzes






23. 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.






24. 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).






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






26. Cleave strands of DNA segments at certain sites.






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






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






29. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t






30. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.






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






32. 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






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






34. Covalent bonds






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






36. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).






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






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






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






40. Covers and protects the leaf.






41. 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.






42. Breaking down






43. 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.






44. Respiratory organs within insects






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






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






47. 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.






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






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






50. Carbon - Hydrogen - Oxygen - and Nitrogen