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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. Semen






2. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






3. A nerve cell






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






5. A cell in the retina that is sensitive to colors and is responsible for color vision






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






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






8. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






9. A pouched mammal - such as the kangaroo or opossum






10. Living - as in living organisms in the environment






11. Any organism that is the victim of a parasite






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






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






14. A mucus-secreting membrane






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






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






17. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






18. Involuntary muscle






19. A duct that carries urine from the kidneys to the bladder






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






21. Globular proteins produced by tissues that destroy or inactivate antigens






22. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






23. Fluid skeleton of annelids






24. Pertaining to a type of gland that releases its secretion through a duct






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






26. Technology that allows for manipulation of genetic material






27. A space in the body






28. An offspring that is heterozygous for one or more gene pairs






29. A blood clot that is formed within a blood vessel






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






31. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






32. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






33. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






34. A cell resulting from the fusion of gametes






35. A sugar composed of two combined monosaccharides






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






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






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






39. Describes cells (gametes) that have half the chromosome number typical of the species






40. A cell that divides to form the polar body and the secondary oocyte






41. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






42. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






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






44. The thigh bone of vertebrates






45. The fusion of sperm and the egg to produce a zygote






46. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






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






48. A fat-digesting hormone






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






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







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