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






2. Respiratory organs within insects






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






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






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






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






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






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






9. Controls olfactory lobes (smell)






10. Contains many genes and is a structure comprised of linear DNA and associated proteins.






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






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






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






14. The phyla of round worms.






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






16. Carbon - Hydrogen - Oxygen - and Nitrogen






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






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






19. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a






20. Covalent bonds






21. 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






22. Anabolism






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






24. The phylum of insects (bees).






25. 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.






26. 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






27. Protein synthesis






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






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






30. 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.






31. The class composed of birds.






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






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






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






35. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






36. In both living and non-living environments.






37. Super-class of vertebrae including organisms with no jaws.






38. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.






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






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






41. Energy transformations that occur as chemicals are broken down or synthesized within the cell.






42. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.






43. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.






44. 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.






45. The individual we recognize as an adult fern.






46. Is the outermost layer of cells of the stem.






47. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).






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






49. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.






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