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






2. An organ that is not functional in an organism - but was functional at some period in its evolution






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

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






5. In taxonomy - a classification between species and family






6. The recycling of carbon from decaying organisms for use in future generations






7. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






8. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






9. Fluid skeleton of annelids






10. A network or mesh of fibrils - fibers or filaments






11. An organic catalyst and protein






12. A female sex hormone secreted by the follicle






13. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






14. The first filial generation (first offspring)






15. The separation of homologous pairs of chromosomes following meiotic synapsis






16. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






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






18. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






19. The inner part of the adrenal gland that secretes adrenalin






20. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






21. The system of naming an organism by its genus and species name






22. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






23. An organ centrally involved in the human digestive system






24. The thigh bone of vertebrates






25. A tract of nerve fibers connecting the two cerebral hemispheres






26. A structure that extends from the trunk of an organism and is capable of active movements






27. A plastid containing chlorophyll






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






29. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






30. A relationship in which one organism benefits at the expense of another






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






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






33. An individual that is heterozygous for only one trait






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






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






36. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






37. The loss of all or part of a chromosome






38. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






39. The physical appearance or makeup of an individual - as opposed to its genetic makeup






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






41. A structure in animal cells containing centrioles from which the spindle fibers develop






42. The part of the body of an animal that is between the neck or head and the abdomen






43. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






44. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






45. The intake of fluid droplets into a cell






46. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






47. A small projection in the walls of the small intestine that increases the surface area available for absorption






48. The organelle that provides mechanical support and carries out motility functions for the cell






49. A lateral region of the forebrain






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