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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 bundle of nerve axons






2. Tubules that excrete metabolic wastes into the hindgut in arthropods






3. Unicellular organism with simple cell structure






4. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






5. A fat-digesting hormone






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






7. A reproductive cell






8. The swelling at the end of an axon






9. The study of all living processes - activities and functions






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






11. Pertains to a gene or characteristic that is masked when a dominant allele is present






12. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






13. The individual differences of form among the members of a species






14. An organism that must get its inorganic and organic raw materials from the environment; a consumer






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






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






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






18. A category of taxonomic classification that is ranked above class and under kingdoms






19. The production of a number of different species from a single ancestral species






20. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






21. In mammals - the slitlike opening formed by the vocal folds in the larynx






22. Bacteria that are rod shaped






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






24. An association between an algae and a fungus that is symbiotic and mutualistic in nature






25. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






26. A lymph tubule located in the villus that absorbs fatty acids






27. The reproductive organ that produces sex cells






28. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






29. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






30. The sensory branch of each spinal nerve






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






32. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration






33. A nerve cell






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






35. The science of classification of living things






36. Laws of classical genetics established through Mendel's experiments with peas






37. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






38. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






39. A process of formation of ova






40. A group of populations that can interbreed






41. The study of organisms in relation to their environment






42. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






43. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






44. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






45. Membranous organelles involved in the storage and modification of secretory products






46. The dorsal part of the hip girdle






47. The movement of particles from one place to another as a result of their random motion






48. Any organism that is the victim of a parasite






49. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






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