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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 inner part of the adrenal gland that secretes adrenalin






2. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system






3. An opening in the eye whose size is regulated by the iris






4. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






5. The navel






6. One-thousandth of a millimeter; a unit of microscopic length






7. An anucleate red blood cell that contains hemoglobin






8. A major lymphatic that empties lymph into a vein in the neck






9. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






10. A marine biome typical of the open seas






11. Blood protein that is transformed to fibrin upon clotting






12. The class of free-living flatworms






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






14. The external opening of the trachea in insects






15. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






16. In taxonomy - a classification between species and family






17. An association between an algae and a fungus that is symbiotic and mutualistic in nature






18. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






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






20. Functional urinary tubules responsible for excretion in the kidney of vertebrates






21. A chemical action that releases energy from glucose to form ATP






22. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






23. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






24. A mature ovary






25. A sensory organ capable of detecting light






26. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






27. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






28. The pressure exerted by the contents of a cell against the cell membrane or cell wall






29. Any physical feature that prevents the ecological niches of different organisms from overlapping






30. An organelle that regulates cell functions and contains the genetic material of the cell






31. A family tree depicting the inheritance of a particular genetic trait over several generations






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






33. Fluid-filled structures in the inner ear that are associated with the sense of balance






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






35. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






36. 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






37. An air duct from the middle ear to the throat that equalizes external and internal air pressure






38. An embryonic structure that gives rise to the central nervous system






39. A sugar composed of two combined monosaccharides






40. 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






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






42. The biome located between the polar region and the tiaga






43. A marine arthropod - now extinct - that lived during the Paleozoic era






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






45. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA






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






47. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






48. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






49. In mammals - the slitlike opening formed by the vocal folds in the larynx






50. Relating to the lung