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






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






4. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






5. The phylum to which segmented worms belong






6. A mall sex hormone (e.g. - testosterone)






7. An organism that is heterozygous for two different traits






8. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






9. A section of the posterior forebrain associated with the pituitary gland






10. The living matter of a cell - located between the cell membrane and the nucleus






11. Involuntary muscle






12. An air-conducting tube






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






14. A plant that has two seed leaves or cotyledons






15. Relating to the lung






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






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






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






19. A relationship in which one organism benefits at the expense of another






20. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






21. The basal branch of each spinal nerve; carries motor neurons






22. Unicellular organism with simple cell structure






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






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






25. Daily cycles of behavior






26. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






27. A network - particularly of nerve or blood vessels






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






29. One of the primary tissues of the embryo






30. A sensory organ capable of detecting light






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






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






33. A tube connecting the ovaries and the uterus






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






35. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






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






37. A form of asexual reproduction in which the egg develops in the absence of sperm






38. 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






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






40. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






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






42. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






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






44. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






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






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






47. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






48. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






49. A plant growth hormone






50. The kind of bond formed when two amino acid units are jointed end to end