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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. In taxonomy - a classification between species and family






2. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






3. A disease-causing organism






4. A ductless gland that secretes hormones directly into the bloodstream






5. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






6. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration






7. Organism that produces its own food; first stage in the food chain






8. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






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






10. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






11. A response by an organism to the duration and timing of light and dark conditions






12. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






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






14. Nonliving - as in the physical environment






15. The portion of seed plant embryo above the cotyledon






16. Blood protein that is transformed to fibrin upon clotting






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






18. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)






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






20. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






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






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






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






24. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






25. A metabolic stage between mitoses in which genetic material is reproduced






26. 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






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






28. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






29. An endocrine gland located in the neck that produces thyroxin






30. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






31. A bundle of nerve axons






32. The process by which water and dissolved substances pass through a membrane






33. An organ that is not functional in an organism - but was functional at some period in its evolution






34. A form of anaerobic respiration found in yeast and bacteria






35. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






36. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






37. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






38. A resistance to disease developed through the immune system






39. A compact linear organization of nerve tissues with ganglia in the CNS






40. The transfer of pollen from the stamen to the pistil of the same flower






41. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






42. The study of form and structure






43. A structure that extends from the trunk of an organism and is capable of active movements






44. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






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






46. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






47. The outermost bone of the middle ear (hammer)






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






49. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






50. The large intestine