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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 sac in the ovary in which the egg develops






2. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






3. 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






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






5. Any movement or growth of a living organism in response to the force of gravity






6. A network of capillaries in the Bowman's capsules of the kidney






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






8. A dark-staining small body within the nucleus; composed of RNA






9. The cavity in the mammalian ovary in which the egg ripens






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






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






12. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






13. A hormone that regulates water reabsorption






14. The exchange of parts of homologous chromosomes during meiosis






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






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






17. Functional urinary tubules responsible for excretion in the kidney of vertebrates






18. Bacteria that are rod shaped






19. A thyroid deficiency that results in stunted growth and feeblemindedness






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






21. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






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






23. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






24. A hormone of the thyroid that regulates basal metabolism






25. A disease-causing organism






26. The living together of two organisms in an intimate relationship






27. The male gonads that produce sperm and male hormones






28. In plants - an area of undifferentiated tissue covered by embryonic leaves






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






30. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






31. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






32. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






33. A resistance to disease produced through the injection of antibodies






34. A neuron that picks up impulses from receptors and transmits them to the spinal cord






35. A blood vessel that carries blood away from the heart






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






37. Technology that allows for manipulation of genetic material






38. The ways in which organisms regulate their internal heat






39. A fluid-filled sensory apparatus that aids balance and hearing






40. Pertains to a gene or characteristic that is masked when a dominant allele is present






41. A small projection in the walls of the small intestine that increases the surface area available for absorption






42. Blood protein that is transformed to fibrin upon clotting






43. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






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






45. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






46. Fluid excreted by the kidney containing urea - water - salts - etc






47. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






48. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






49. A resistance to disease developed through the immune system






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