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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 reproductive cell that is capable of developing directly into an adult






2. A plant growth hormone






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






4. The ways in which organisms regulate their supply of water






5. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration






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






7. A large class of arthropods - including crabs and lobsters






8. The female gonad in animals; the base of the pistil in plants






9. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






10. The inner layer of an organ surrounded by the cortex






11. A structure of the eye that focuses images on the retina by changing its convexity






12. The external opening of the trachea in insects






13. Occurs when a segment of genetic material on a chromosome becomes reversed






14. The science of classification of living things






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






16. A stomach enzyme that partially digests proteins






17. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA






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






19. The living matter of a cell - located between the cell membrane and the nucleus






20. A sugar composed of two combined monosaccharides






21. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






22. Related to the sense of smell






23. A metabolic stage between mitoses in which genetic material is reproduced






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






25. The large intestine






26. A tube connecting the ovaries and the uterus






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






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






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






30. Relating to the lung






31. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






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






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






34. A mucus-secreting membrane






35. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA






36. An embryonic structure that gives rise to the central nervous system






37. A large molecule that is composed of many similar molecule units






38. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






39. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






40. A hormone that regulates water reabsorption






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






42. An air duct from the middle ear to the throat that equalizes external and internal air pressure






43. A sensory organ capable of detecting light






44. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






45. The intake of fluid droplets into a cell






46. A carbohydrate that is composed of many monosaccharide units joined together






47. A specialized structure that controls osmotic pressure by removing water from the cell






48. A nerve cell






49. A behavioral or biological change that enables an organism to adjust to its environment






50. An organism that obtains its nutrients from dead organisms