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






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






3. Changes in genes that are inherited






4. 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






5. The contraction of the atria or ventricles of the heart






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






7. A network - particularly of nerve or blood vessels






8. A cell resulting from the fusion of gametes






9. The womb in which the fetus develops






10. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






11. The part of the flower that produces pollen






12. The place of attachment of the mitotic fiber to the chromosome






13. A female sex hormone secreted by the follicle






14. An enzyme that acts upon sucrose






15. An organ that stores urine temporarily before it is excreted






16. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






17. The study of all living processes - activities and functions






18. Agent that induces mutations; typically carcinogenic






19. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






20. The phylum to which segmented worms belong






21. The transformation of an immature animal into an adult; a change in the form of an organ or structure






22. A stalklike or elongated body part - usually pointed at one end






23. A hormonal secretion of the adrenal cortex






24. A hormone that stimulates plant stem elongation






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






26. Substance secreted by organisms that influences the behavior of other members of the same species






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






28. The reproductive organ that produces sex cells






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






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






31. xylem that is no longer being used






32. The cell body of a neuron






33. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






34. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






35. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






36. Related to the sense of smell






37. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






38. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






39. A tube connecting the ovaries and the uterus






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






41. Nonliving - as in the physical environment






42. One of the primary tissues of the embryo






43. An underground stem






44. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






45. Semen






46. A mass of cells that have similar structures and perform similar functions






47. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






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






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






50. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose