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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 decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






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






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






4. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






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






6. A network - particularly of nerve or blood vessels






7. The first filial generation (first offspring)






8. A colloidal system involving the dispersion of a liquid within a liquid






9. A plant that lives on another plant mensalistically






10. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






11. A dark-staining small body within the nucleus; composed of RNA






12. An underground stem






13. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell






14. An organelle that contains enzymes that aid in intracellular digestion






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






16. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






17. Living - as in living organisms in the environment






18. A hormone of the thyroid that regulates basal metabolism






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






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






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






22. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






23. A mitotic stage in which nuclei reform and nuclear membrane reappears






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






25. A muscular valve regulating the flow of food from the stomach to the small intestine






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






27. 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






28. A hormone that ripens fruit and induces aging






29. The portion of alimentary canal connecting the pharynx and the stomach






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






31. Technology that allows for manipulation of genetic material






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






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






34. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






35. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones






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






37. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






38. Bacteria that are rod shaped






39. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






40. The area of medulla that regulates the rate of breathing






41. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






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






43. A plant that has a single cotyledon or seed-leaf






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






45. Any chromosome that is not a sex chromosome






46. A bone of the upper arm






47. A pair of chromosome pairs present during the first metaphase of meiosis






48. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






49. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






50. The cellular layer that covers external and internal surfaces