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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 an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






2. An enlargement of the thyroid gland due to lack of iodine






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






4. An emulsifying agent secreted by the liver






5. An air-conducting tube






6. The transformation of an immature animal into an adult; a change in the form of an organ or structure






7. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






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






9. A stage of mitosis; chromosomes line up at the equator of the cell






10. The recycling of nitrogen from decaying organism for use in future generations






11. The central tissue of a stem - used for food storage






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






13. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






14. The process by which carbohydrates are formed through chemical energy; found in bacteria






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






16. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






17. 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






18. An enzyme that acts upon maltose and converts it into glucose






19. Any cell capable of ingesting another cell






20. A protein compound containing iron that is found in red blood cells






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






22. The area of medulla that regulates the rate of breathing






23. Organelles that serve as specialized containers for metabolic reactions






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






25. An antipathogenic substance (e.g. - penicillin)






26. A large class of arthropods - including crabs and lobsters






27. The ability to respond to a stimulus






28. The portion of seed plant embryo above the cotyledon






29. A resistance to disease developed through the immune system






30. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






31. A grouping of neuron cell bodies that acts as a coordinating center






32. The reproductive organ that produces sex cells






33. Fluid skeleton of annelids






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






35. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






36. A jellyfish






37. Pertaining to the head






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






39. The outermost surface of an organism






40. The recycling of carbon from decaying organisms for use in future generations






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






42. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






43. Laws of classical genetics established through Mendel's experiments with peas






44. Random evolutionary changes in the genetic makeup of a population






45. The separation of homologous pairs of chromosomes following meiotic synapsis






46. 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






47. Technology that allows for manipulation of genetic material






48. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






49. A cell in the retina that is sensitive to colors and is responsible for color vision






50. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis







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