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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. An organism that obtains its nutrients from dead organisms






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






3. A hormone produced by the Islets of Langerhans in the pancreas






4. In taxonomy - a classification between species and family






5. A class of arthropods that includes scorpions - spiders - mites and ticks






6. All the members of a given species inhabiting a certain locale






7. A space in the body






8. Daily cycles of behavior






9. The basal branch of each spinal nerve; carries motor neurons






10. The process by which a certain function is regulated by the amount of the substance it produces






11. Any cell capable of ingesting another cell






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






13. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






14. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






15. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






16. Fluid-filled structures in the inner ear that are associated with the sense of balance






17. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






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






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






20. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






21. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






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






23. A form of anaerobic respiration found in yeast and bacteria






24. The living together of two organisms in an intimate relationship






25. Changes in genes that are inherited






26. Pertaining to the head






27. A duct through which the urine passes from the bladder to the outside






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






29. Partially digested food in the stomach






30. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






31. Part of the nephron in the kidney; involved in excretion

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






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






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






35. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






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






37. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






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






39. An organism that requires oxygen for respiration and can live only in the presence of oxygen






40. A simple sugar






41. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






42. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






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






44. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






45. A plastid containing chlorophyll






46. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






47. A compact linear organization of nerve tissues with ganglia in the CNS






48. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






49. A nerve cell






50. The liquid part of blood