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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. Describes cells (gametes) that have half the chromosome number typical of the species






2. A network - particularly of nerve or blood vessels






3. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






4. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






5. Pertaining to a subdivision of the autonomic nervous system






6. An organ that is not functional in an organism - but was functional at some period in its evolution






7. Pertaining to the head






8. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






9. An offspring that is heterozygous for one or more gene pairs






10. The part of the alimentary canal between the mouth and the esophagus






11. A blood vessel that carries blood away from the heart






12. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






13. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






14. An endocrine gland located in the neck that produces thyroxin






15. A nuclear protein of chromosomes that stains readily






16. A progressive change from which a permanently more mature or advanced state results






17. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






18. The portion of alimentary canal connecting the pharynx and the stomach






19. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






20. The law by which genes on different chromosomes are inherited independently of each other






21. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






22. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






23. A stalklike or elongated body part - usually pointed at one end






24. The intake of fluid droplets into a cell






25. The type of mating that occurs when an organism selects a mating partner that resembles itself






26. An organic cofactor required for enzyme activity






27. Unicellular organism with simple cell structure






28. Protein threads that form in the blood during clotting






29. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






30. The cell membrane






31. The organelle that provides mechanical support and carries out motility functions for the cell






32. xylem that is no longer being used






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






34. A simple sugar






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






36. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






37. A pouched mammal - such as the kangaroo or opossum






38. An underground stem






39. The colored part of the eye that is capable of contracting and regulating the size of the pupils






40. The evaporation of water from leaves or other exposed surfaces of plants






41. Changes in genes that are inherited






42. A cell resulting from the fusion of gametes






43. Technology that allows for manipulation of genetic material






44. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






45. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






46. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






47. A plastid containing chlorophyll






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






49. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






50. A plant-eating animal