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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. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






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






3. A plant that lives on another plant mensalistically






4. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






5. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






6. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






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






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






9. The fusion of sperm and the egg to produce a zygote






10. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






11. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






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






13. The recycling of nitrogen from decaying organism for use in future generations






14. An emulsifying agent secreted by the liver






15. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






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






17. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






18. Part of the nephron in the kidney; involved in excretion

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19. The womb in which the fetus develops






20. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






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






22. A space in the cytoplasm of a cell that contains fluid






23. A nuclear protein of chromosomes that stains readily






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






25. A bundle of nerve axons






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






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






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






29. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






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






31. The transfer of pollen from the stamen to the pistil of the same flower






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






33. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






34. A sugar composed of two combined monosaccharides






35. Pertaining to a restricted locality; ecologically - occurring only in one particular region






36. xylem that is no longer being used






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






38. The study of the evolutionary descent and interrelations of groups of organisms






39. A ring-shaped muscle that is capable of closing a tubular opening by constriction






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






41. A starch form in animals; glucose is converted to this in the liver






42. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal






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






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






45. An organism that possesses one or more whiplike appendages called flagella






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






47. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






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






49. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






50. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP







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