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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. Covers and protects the leaf.






2. In both living and non-living environments.






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






4. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.






5. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.






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






7. 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.






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






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






10. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.






11. 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.






12. Anabolism






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






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






15. The phyla of sponges.






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






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






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






19. 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.






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






21. Controls balance and muscle coordination






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






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






24. A suffix meaning 'to break apart.' O || ||






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

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






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






28. 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.






29. Decomposition of living matter for consumption.






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






31. 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






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






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






34. The pituitary gland.






35. Is the sugar that lactase acts upon.






36. Plants and animals obtain usable nitrogen






37. 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).






38. Has loosely packed cells that allow for gas and moisture exchange.






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






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






41. The vocal cords are found in the larynx.






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






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






44. A hydrogen bond involves the ________________ and can be easily broken.






45. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.






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






47. Protein synthesis






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






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






50. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re