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






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






3. A simple sugar






4. A mall sex hormone (e.g. - testosterone)






5. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






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






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






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






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






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






11. A fat-digesting hormone






12. A space in the body






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






14. The thigh bone of vertebrates






15. An association of homologous chromosomes during the first meiotic division






16. The study of form and structure






17. An air-conducting tube






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






19. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






20. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






21. The part of the alimentary canal between the mouth and the esophagus






22. A remnant of follicle after ovulation that secretes the hormone progesterone






23. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






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






25. The womb in which the fetus develops






26. Pertaining to a restricted locality; ecologically - occurring only in one particular region






27. An organ centrally involved in the human digestive system






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






29. A hormone that stimulates plant stem elongation






30. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






31. An organism that is heterozygous for two different traits






32. The outermost - extra-embryonic membrane of reptiles and birds






33. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






34. A section of the posterior forebrain associated with the pituitary gland






35. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath






36. The phylum of sponges






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






38. A starch form in animals; glucose is converted to this in the liver






39. Small - disc-shaped bodies in the blood that play a chief role in coagulation






40. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






41. The small granular body within the centrosome to which the spindle fibers attach






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






43. Fluid skeleton of annelids






44. An organism that obtains its nutrients from dead organisms






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






46. Any chromosome that is not a sex chromosome






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






48. A process of formation of ova






49. The cavity between the lungs and the wall of the chest






50. A marine arthropod - now extinct - that lived during the Paleozoic era