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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 marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






2. Refers to protective covering






3. An organism that obtains its nutrients from dead organisms






4. Cytoplasmic bodies within a plant cell that are often pigmented






5. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






6. Blood protein that is transformed to fibrin upon clotting






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






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






9. A change from a diploid nucleus to a haploid nucleus - as in meiosis






10. A grouping of neuron cell bodies that acts as a coordinating center






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






12. The part of the neuron that transmits impulses to the cell body






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






14. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






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






16. A small projection in the walls of the small intestine that increases the surface area available for absorption






17. An emulsifying agent secreted by the liver






18. Organism that consumes food from outside itself instead of producing it






19. Related to the sense of smell






20. A tube connecting the ovaries and the uterus






21. An enzyme that acts upon sucrose






22. Substance secreted by organisms that influences the behavior of other members of the same species






23. The portion of seed plant embryo above the cotyledon






24. A pair of chromosome pairs present during the first metaphase of meiosis






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






26. The sac in the ovary in which the egg develops






27. A mucus-secreting membrane






28. The outermost bone of the middle ear (hammer)






29. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






30. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






31. A blood vessel that carries blood back to the heart from the capillaries






32. An enzyme that acts upon maltose and converts it into glucose






33. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






34. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






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






36. The process of breaking down large organic molecules into smaller ones






37. A specialized structure that carries out particular functions for eukaryotic cells






38. A symbiotic relationship from which both organisms involved derive some benefit






39. 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






40. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






41. A structure that extends from the trunk of an organism and is capable of active movements






42. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






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






44. A sugar composed of two combined monosaccharides






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






46. 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






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






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






49. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen






50. Any cell capable of ingesting another cell