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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 metabolic stage between mitoses in which genetic material is reproduced






2. Agent that induces mutations; typically carcinogenic






3. Structures in the testes that produce sperm and semen






4. A space in the cytoplasm of a cell that contains fluid






5. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






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






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






8. A nerve fiber






9. A fluid-filled sensory apparatus that aids balance and hearing






10. Multicellular organism






11. A cell that divides to form two secondary spermatocytes






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






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






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






15. The loss of all or part of a chromosome






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






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






18. A sensory organ capable of detecting light






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






20. A disease-causing organism






21. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






22. A plant that has two seed leaves or cotyledons






23. An organism that possesses one or more whiplike appendages called flagella






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






25. An air-conducting tube






26. An organelle that contains enzymes that aid in intracellular digestion






27. The tenth cranial nerve that innervates digestive organs - heart and other areas






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






29. Nonliving - as in the physical environment






30. A stalklike or elongated body part - usually pointed at one end






31. A hoofed animal






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






33. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






34. 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






35. Any chromosome that is not a sex chromosome






36. The hind portion of the forebrain of vertebrates






37. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






38. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






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






40. In plants - an area of undifferentiated tissue covered by embryonic leaves






41. An emulsifying agent secreted by the liver






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






43. A network - particularly of nerve or blood vessels






44. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






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






46. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






47. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






48. An enzyme from the pancreas that digests proteins in the small intestine






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






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