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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. An association between an algae and a fungus that is symbiotic and mutualistic in nature






2. An organic cofactor required for enzyme activity






3. Vascular tissue of the plant that aids in support and carries water






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






5. 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






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






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






8. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






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






10. The study of form and structure






11. Describes an individual that has the same gene for the same trait on each homologous chromosome






12. An embryonic structure that gives rise to the central nervous system






13. Any organism that is the victim of a parasite






14. The production of a number of different species from a single ancestral species






15. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






16. An organelle that regulates cell functions and contains the genetic material of the cell






17. Involuntary muscle






18. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






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






20. An air duct from the middle ear to the throat that equalizes external and internal air pressure






21. The phylum to which segmented worms belong






22. The fusion of sperm and the egg to produce a zygote






23. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






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






25. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






26. An anucleate red blood cell that contains hemoglobin






27. The sac in the ovary in which the egg develops






28. The external opening of the trachea in insects






29. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






30. Organelles that serve as specialized containers for metabolic reactions






31. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds






32. A process of formation of ova






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






34. Relating to the lung






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






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






37. A marine arthropod - now extinct - that lived during the Paleozoic era






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






39. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






40. An individual that is heterozygous for only one trait






41. The large intestine






42. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






43. A mutation involving the addition or loss of nucleotides






44. A blood clot that is formed within a blood vessel






45. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






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






47. A plant-eating animal






48. xylem that is no longer being used






49. 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






50. A nerve fiber