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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 emulsifying agent secreted by the liver






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






3. The enzyme released from the blood platelets in vertebrates during clotting






4. A network - particularly of nerve or blood vessels






5. 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






6. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






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






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






10. 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






11. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






12. Any chromosome that is not a sex chromosome






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






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






15. The ability to respond to a stimulus






16. 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






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






18. A simple sugar






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






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






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






22. The type of mating that occurs when an organism selects a mating partner that resembles itself






23. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






24. The elimination of metabolic waster matter






25. The hindbrain region that controls equilibrium and muscular coordination






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






27. A stage of mitosis; chromosomes line up at the equator of the cell






28. An antipathogenic substance (e.g. - penicillin)






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






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






31. The navel






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






33. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






34. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






35. One of the primary tissues of the embryo






36. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers






37. The thigh bone of vertebrates






38. The swelling at the end of an axon






39. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






40. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






41. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






42. The uppermost portion of pistil upon which pollen grains alight






43. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






44. The law by which genes on different chromosomes are inherited independently of each other






45. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






46. The veins that carry blood from the digestive organs to the liver






47. A process of formation of ova






48. Undifferentiated tissue in the stem of a plant that aids growth in width






49. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






50. The part of the alimentary canal between the mouth and the esophagus







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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