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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. Requiring free oxygen from the atmosphere for normal activity and respiration






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






3. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA






4. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






5. The creation of certain strains of specific traits through control of breeding






6. Describes cells (gametes) that have half the chromosome number typical of the species






7. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






8. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






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






10. A hoofed animal






11. The pressure exerted by the contents of a cell against the cell membrane or cell wall






12. The cellular layer that covers external and internal surfaces






13. The elimination of metabolic waster matter






14. The pigment in rod cells that causes light sensitivity






15. Chemical groups attached to carbon skeletons that give compounds their functionality






16. The outermost surface of an organism






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






18. A nerve fiber






19. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






20. A blood vessel that carries blood back to the heart from the capillaries






21. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






22. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






23. The microspore of a seed plant






24. A structure in animal cells containing centrioles from which the spindle fibers develop






25. A nuclear protein of chromosomes that stains readily






26. Genetic blending; each allele exerts some influence on the phenotype






27. The science of classification of living things






28. Describes cells that have a double set of chromosomes in homologous pairs (2n)






29. A remnant of follicle after ovulation that secretes the hormone progesterone






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






31. A habitat zone - such as desert - grassland or tundra






32. The small granular body within the centrosome to which the spindle fibers attach






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






34. xylem that is no longer being used






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






36. The ability of certain animals to regrow missing body parts






37. A substance that participates in the clotting of blood in vertebrates






38. A major lymphatic that empties lymph into a vein in the neck






39. A family tree depicting the inheritance of a particular genetic trait over several generations






40. A substance that is acted upon by an enzyme






41. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






43. The posterior part of the brain that controls the rate of breathing and other autonomic functions






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






45. The thigh bone of vertebrates






46. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






47. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






48. Pertaining to a type of gland that releases its secretion through a duct






49. A structure of the eye that focuses images on the retina by changing its convexity






50. Unicellular organism with simple cell structure