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






2. 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.






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






4. Are the organelles where cellular respiration occurs.






5. 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.






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






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






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






9. Enzymes are usually __________ to certain reactions.






10. Is the sugar that lactase acts upon.






11. 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.






12. Is a kingdom that includes algae and protozoa.






13. Covalent bonds






14. 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.






15. In DNA Thymine pairs with...






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






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






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






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






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






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. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.






23. Engages in both passive and active transport.






24. Synthesis






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






26. The individual we recognize as an adult fern.






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






28. 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.






29. Contain one celled eukaryotes such as algae and protozoa.






30. 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).






31. 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






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






33. The phyla of sponges.






34. What phylum are snakes in?






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






36. Is a phylum that contains sponges.






37. 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






38. Disease causing






39. Is a special protein that acts as a catalyst for organic reactions.






40. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).






41. The phyla of round worms.






42. Is the organelle where cellular reproductive processes occur.






43. 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.






44. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.






45. Subsets below the kingdom level






46. 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






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






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






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






50. 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