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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. A plant-eating animal






2. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






3. The system of naming an organism by its genus and species name






4. A response by an organism to the duration and timing of light and dark conditions






5. The liquid part of blood






6. A habitat zone - such as desert - grassland or tundra






7. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






8. Any cell that is not a reproductive cell






9. A nerve fiber






10. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






11. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






12. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






13. A transmitter substance released from the axons of nerve cells at the synapse






14. 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






15. The process by which a certain function is regulated by the amount of the substance it produces






16. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






17. Living - as in living organisms in the environment






18. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






19. A cell that divides to form the polar body and the secondary oocyte






20. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






21. Any chromosome that is not a sex chromosome






22. The genetic makeup of an organism without regard to physical appearance






23. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade






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






25. An individual that is heterozygous for only one trait






26. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






27. A plant that has a single cotyledon or seed-leaf






28. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






29. Multicellular organism






30. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






31. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






32. A space in the body






33. The cell membrane






34. A simple sugar






35. The portion of seed plant embryo above the cotyledon






36. xylem that is no longer being used






37. The exchange of parts of homologous chromosomes during meiosis






38. The study of organisms in relation to their environment






39. The enzyme that acts upon lactose






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






41. An emulsifying agent secreted by the liver






42. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






43. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






44. The veins that carry blood from the digestive organs to the liver






45. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






46. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






47. The haploid - sexual stage in the life cycle of plants






48. A hormonal secretion of the adrenal cortex






49. Fluid-filled structures in the inner ear that are associated with the sense of balance






50. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP