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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. Contain one celled eukaryotes such as algae and protozoa.






2. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.






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






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






5. Inorganic phosphate






6. Transfers water and does not require sieve plates to allow nutrients through.






7. The phyla of sponges.






8. 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.






9. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of






10. Is a phylum that contains jellyfish - hydra - etc.






11. Cleave strands of DNA segments at certain sites.






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






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






14. Niche






15. Decomposition of living matter for consumption.






16. The vocal cords are found in the larynx.






17. The role played by an organism in its food chain.






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






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






20. 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.






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






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






23. The pituitary gland.






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






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






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






27. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.






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






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






30. Is the sugar that lactase acts upon.






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






32. 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.






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






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






35. 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.






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






37. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.






38. Are the organelles where cellular respiration occurs.






39. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).






40. Engages in both passive and active transport.






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






42. 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






43. 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.






44. Is a kingdom that includes algae and protozoa.






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






46. Refers to the birthrate of a population.






47. Breaking down






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






49. Subsets below the kingdom level






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