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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. The phylum of sponges






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






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






4. Plant tissue consisting of large thin-walled cells for storage






5. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






6. The hindbrain region that controls equilibrium and muscular coordination






7. A nuclear protein of chromosomes that stains readily






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






9. The class of free-living flatworms






10. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






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






12. A ductless gland that secretes hormones directly into the bloodstream






13. A tube connecting the ovaries and the uterus






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






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






16. The orderly process by which one biotic community replaces another until a climax community is established






17. Pertaining to a subdivision of the autonomic nervous system of vertebrates






18. 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






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






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






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






22. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






23. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






24. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






25. Encompasses the brain and the spinal cord






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






27. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






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






29. A sensory organ capable of detecting light






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






31. A nerve cell






32. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






33. A plant-eating animal






34. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






35. An organism that is heterozygous for two different traits






36. 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






37. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






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






39. The external opening of the trachea in insects






40. The first filial generation (first offspring)






41. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






42. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






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






44. A network or mesh of fibrils - fibers or filaments






45. The study of organisms in relation to their environment






46. The process of forming the sperm cells from primary spermatocytes






47. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






48. A plant growth hormone






49. An air-conducting tube






50. A stomach enzyme that partially digests proteins