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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 class of arthropods that includes scorpions - spiders - mites and ticks






2. A stage of mitosis; chromosomes line up at the equator of the cell






3. The recycling of nitrogen from decaying organism for use in future generations






4. A habitat zone - such as desert - grassland or tundra






5. 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






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






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






8. The part of the flower that bears the female gametophyte






9. A progressive change from which a permanently more mature or advanced state results






10. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






11. Any organism that is the victim of a parasite






12. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






13. Pertaining to a subdivision of the autonomic nervous system






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






15. Fluid excreted by the kidney containing urea - water - salts - etc






16. A thyroid deficiency that results in stunted growth and feeblemindedness






17. The removal of an amino group from an organism - particularly from an amino acid






18. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






19. Relating to the lung






20. An enzyme that acts upon sucrose






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






22. The outermost surface of an organism






23. A hormonal secretion of the adrenal cortex






24. 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)






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






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






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






28. The biome located between the polar region and the tiaga






29. The process by which carbohydrates are formed through chemical energy; found in bacteria






30. The cell membrane






31. One of the primary tissues of the embryo






32. The cavity in the mammalian ovary in which the egg ripens






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






34. A network - particularly of nerve or blood vessels






35. The portion of seed plant embryo above the cotyledon






36. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






37. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






38. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






39. A protein compound containing iron that is found in red blood cells






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






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






42. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






43. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






44. The outer - transparent layer of the eye






45. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






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






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






48. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






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






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