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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. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






2. Substance secreted by organisms that influences the behavior of other members of the same species






3. A mucus-secreting membrane






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






5. A colloidal system involving the dispersion of a liquid within a liquid






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






7. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






8. Occurs when a segment of genetic material on a chromosome becomes reversed






9. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






10. A hormone of the thyroid that regulates basal metabolism






11. The tenth cranial nerve that innervates digestive organs - heart and other areas






12. xylem that is no longer being used






13. A carbohydrate that is composed of many monosaccharide units joined together






14. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






15. The phylum of sponges






16. Pertaining to a subdivision of the autonomic nervous system






17. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






18. A mature ovary






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






20. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






21. An organ centrally involved in the human digestive system






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






23. Pertaining to a restricted locality; ecologically - occurring only in one particular region






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






25. A class of arthropods that includes scorpions - spiders - mites and ticks






26. 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






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






28. The biome located between the polar region and the tiaga






29. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






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






31. An organism that does not require free oxygen in order to respire






32. A pair of chromosome pairs present during the first metaphase of meiosis






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






34. A group of populations that can interbreed






35. A network or mesh of fibrils - fibers or filaments






36. A hormonal secretion of the adrenal cortex






37. Small - disc-shaped bodies in the blood that play a chief role in coagulation






38. A duct through which the urine passes from the bladder to the outside






39. The study of the evolutionary descent and interrelations of groups of organisms






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






41. An organic cofactor required for enzyme activity






42. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






43. The ways in which organisms regulate their supply of water






44. The part of the hindbrain located in the brain stem






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






46. Living - as in living organisms in the environment






47. Any chromosome that is not a sex chromosome






48. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal






49. A symbiotic relationship from which both organisms involved derive some benefit






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