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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 group of populations that can interbreed






2. A section of the posterior forebrain associated with the pituitary gland






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






4. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






5. Organelles that serve as specialized containers for metabolic reactions






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






7. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






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






9. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






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






11. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






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






13. The transfer of a piece of chromosome to another chromosome






14. The part of the body of an animal that is between the neck or head and the abdomen






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






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






17. The mammalian oviduct that leads from the ovaries to the uterus






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






19. 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






20. A relationship in which one organism benefits at the expense of another






21. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






22. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field






23. The orderly process by which one biotic community replaces another until a climax community is established






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






25. The womb in which the fetus develops






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






27. A tube connecting the ovaries and the uterus






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






29. The cell membrane






30. A carbohydrate that is composed of many monosaccharide units joined together






31. A space in the body






32. A specialized structure that controls osmotic pressure by removing water from the cell






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






34. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






35. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






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






37. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






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






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






40. The phylum of sponges






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






42. Any chromosome that is not a sex chromosome






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






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






45. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






46. Occurs when a segment of genetic material on a chromosome becomes reversed






47. Requiring free oxygen from the atmosphere for normal activity and respiration






48. An animal with a constant body temperature






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






50. A thyroid deficiency that results in stunted growth and feeblemindedness