Test your basic knowledge |

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 hoofed animal






2. Any organism that is the victim of a parasite






3. Encompasses the brain and the spinal cord






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






5. A disease-causing organism






6. A transmitter substance released from the axons of nerve cells at the synapse






7. xylem that is no longer being used






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






9. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






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






11. The colored part of the eye that is capable of contracting and regulating the size of the pupils






12. An opening in the eye whose size is regulated by the iris






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






14. The study of the evolutionary descent and interrelations of groups of organisms






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






16. Movement of amoeba






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






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






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






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






21. The posterior part of the brain that controls the rate of breathing and other autonomic functions






22. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






23. The portion of alimentary canal connecting the pharynx and the stomach






24. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






25. A hormone that regulates water reabsorption






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






27. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi






28. 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






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






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






31. The thigh bone of vertebrates






32. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






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






34. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






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






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






37. A network of capillaries in the Bowman's capsules of the kidney






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






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






40. An anucleate red blood cell that contains hemoglobin






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






42. The anaerobic respiration of carbohydrates






43. Pertaining to a subdivision of the autonomic nervous system






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






45. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






46. An animal with a constant body temperature






47. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






48. An air-conducting tube






49. Any cell that is not a reproductive cell






50. An organelle that contains enzymes that aid in intracellular digestion