Test your basic knowledge |

SAT Subject Test: Biology

Subjects : sat, 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 part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






2. Blood protein that is transformed to fibrin upon clotting






3. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






4. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






5. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






6. An organism that must get its inorganic and organic raw materials from the environment; a consumer






7. Requiring free oxygen from the atmosphere for normal activity and respiration






8. The ability of certain animals to regrow missing body parts






9. The movement of particles from one place to another as a result of their random motion






10. Describes cells that have a double set of chromosomes in homologous pairs (2n)






11. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






12. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






13. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






14. Related to the sense of smell






15. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






16. Agent that induces mutations; typically carcinogenic






17. A mature ovary






18. The enzyme released from the blood platelets in vertebrates during clotting






19. A form of anaerobic respiration found in yeast and bacteria






20. A family tree depicting the inheritance of a particular genetic trait over several generations






21. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






22. A major lymphatic that empties lymph into a vein in the neck






23. The pigment in rod cells that causes light sensitivity






24. Any organism that is the victim of a parasite






25. The ways in which organisms regulate their internal heat






26. A hormone that regulates water reabsorption






27. In plants - an area of undifferentiated tissue covered by embryonic leaves






28. Any movement or growth of a living organism in response to the force of gravity






29. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates






30. Globular proteins produced by tissues that destroy or inactivate antigens






31. Pertaining to a subdivision of the autonomic nervous system of vertebrates






32. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






33. Unicellular organism with simple cell structure






34. Chemical groups attached to carbon skeletons that give compounds their functionality






35. A behavioral or biological change that enables an organism to adjust to its environment






36. Fluid in the eye - found between the cornea and the lens






37. The class of free-living flatworms






38. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






39. Partially digested food in the stomach






40. The part of the body of an animal that is between the neck or head and the abdomen






41. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






42. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






43. A specialized structure that carries out particular functions for eukaryotic cells






44. The state in which two genetic traits are fully expressed and neither dominates






45. A plant-eating animal






46. The portion of seed plant embryo above the cotyledon






47. The place of attachment of the mitotic fiber to the chromosome






48. The pairing of homologous chromosomes during meiosis






49. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






50. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products