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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 mucus-secreting membrane






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






3. The liquid part of blood






4. The pigment in rod cells that causes light sensitivity






5. The living matter of a cell - located between the cell membrane and the nucleus






6. A protein compound containing iron that is found in red blood cells






7. A disease-causing organism






8. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






9. Involuntary muscle






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






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






12. The separation of homologous pairs of chromosomes following meiotic synapsis






13. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






15. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






16. The ability to respond to a stimulus






17. A hoofed animal






18. An anucleate red blood cell that contains hemoglobin






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






20. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






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






22. 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






23. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






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






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






26. The class of free-living flatworms






27. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






28. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






29. A cell in the retina that is sensitive to weak light






30. Partially digested food in the stomach






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






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






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






34. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






35. The outermost - extra-embryonic membrane of reptiles and birds






36. The evaporation of water from leaves or other exposed surfaces of plants






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






38. 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






39. The largest artery; carries blood from the left ventricle






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






41. The organelle that provides mechanical support and carries out motility functions for the cell






42. 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






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






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






45. A structure in animal cells containing centrioles from which the spindle fibers develop






46. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






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






48. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






49. The outermost surface of an organism






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







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