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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. An organ that stores bile






2. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






3. A compact linear organization of nerve tissues with ganglia in the CNS






4. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






5. An enzyme that acts upon sucrose






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






7. An enzyme from the pancreas that digests proteins in the small intestine






8. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






9. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






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






11. The intake of food from the environment into the alimentary canal






12. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






13. A class of arthropods that includes scorpions - spiders - mites and ticks






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






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






16. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






17. A mall sex hormone (e.g. - testosterone)






18. Vascular tissue of the plant that aids in support and carries water






19. A behavioral or biological change that enables an organism to adjust to its environment






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






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






22. An anucleate red blood cell that contains hemoglobin






23. In plants - an area of undifferentiated tissue covered by embryonic leaves






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






25. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






26. A tube connecting the ovaries and the uterus






27. A group of populations that can interbreed






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






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






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






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






32. 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






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






34. The cellular layer that covers external and internal surfaces






35. Changes in genes that are inherited






36. A form of anaerobic respiration found in yeast and bacteria






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






38. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






39. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






41. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






42. The kind of bond formed when two amino acid units are jointed end to end






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






44. Chemical groups attached to carbon skeletons that give compounds their functionality






45. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






46. 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






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






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






49. A tract of nerve fibers connecting the two cerebral hemispheres






50. An enlargement of the thyroid gland due to lack of iodine







Sorry!:) No result found.

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