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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. Any chromosome that is not a sex chromosome






2. 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






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






4. The process by which water and dissolved substances pass through a membrane






5. A reproductive cell






6. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






7. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






8. A sugar composed of two combined monosaccharides






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






10. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






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






12. The space between the mesodermal layers that forms the body cavity of some animal phyla






13. A blood vessel that carries blood away from the heart






14. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






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






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






17. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






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






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






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






21. The large intestine






22. The cell membrane






23. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






24. The liquid part of blood






25. The sensory branch of each spinal nerve






26. Structures in the testes that produce sperm and semen






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






28. A fat or oil






29. The exchange of parts of homologous chromosomes during meiosis






30. The navel






31. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






32. The portion of alimentary canal in which some protein digestion occurs






33. 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






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






35. A hormone of the thyroid that regulates basal metabolism






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






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






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

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






40. The thin-walled anterior chamber of the heart (also called the auricle)






41. Any movement or growth of a living organism in response to the force of gravity






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






43. The system of naming an organism by its genus and species name






44. The process by which a certain function is regulated by the amount of the substance it produces






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






46. 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






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






48. A plastid containing chlorophyll






49. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






50. A duct that carries urine from the kidneys to the bladder