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






2. The large intestine






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






4. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






5. The individual differences of form among the members of a species






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






7. A process of formation of ova






8. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






9. Pertaining to a subdivision of the autonomic nervous system of vertebrates






10. The outermost - extra-embryonic membrane of reptiles and birds






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






12. An underground stem






13. The pairing of homologous chromosomes during meiosis






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






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






16. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






17. A substance that is acted upon by an enzyme






18. A large molecule that is composed of many similar molecule units






19. The science of classification of living things






20. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






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






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






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






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






25. The ways in which organisms regulate their internal heat






26. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






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






28. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






29. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






30. Blood protein that is transformed to fibrin upon clotting






31. Describes an individual that has the same gene for the same trait on each homologous chromosome






32. Movement of amoeba






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






34. 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






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






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






37. The outermost surface of an organism






38. A resistance to disease developed through the immune system






39. The exchange of parts of homologous chromosomes during meiosis






40. The outer - transparent layer of the eye






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






42. An anucleate red blood cell that contains hemoglobin






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






44. Related to the sense of smell






45. The part of the male reproductive organ (the stamen) that produces and stores pollen






46. A transmitter substance released from the axons of nerve cells at the synapse






47. The female gonad in animals; the base of the pistil in plants






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






49. A specialized structure that controls osmotic pressure by removing water from the cell






50. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi