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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. In DNA Thymine pairs with...






2. Controls olfactory lobes (smell)






3. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






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






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






6. The vocal cords are found in the larynx.






7. An enzyme is unaffected by the reactions it catalyzes






8. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.






9. Is the organelle where cellular reproductive processes occur.






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






11. Contains optic lobes - controls sight.






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






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






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






15. 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.






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






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






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






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






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






21. The phylum of insects (bees).






22. Channels is cell membranes that carry water between cells.






23. Respiratory organs within insects






24. Is found on the stem between nodes.






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






26. 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.






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






28. 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.






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. Covalent bonds






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






32. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.






33. 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).






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






35. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.






36. 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






37. Is a substance that changes the speed of a reaction without being affected itself.






38. 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.






39. The individual we recognize as an adult fern.






40. Protein synthesis






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






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

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43. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.






44. The pituitary gland.






45. 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.






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






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






48. The sharp boundary of an ecosystem.






49. Inorganic phosphate






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