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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. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






2. A marine biome typical of the open seas






3. Fluid excreted by the kidney containing urea - water - salts - etc






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






5. Laws of classical genetics established through Mendel's experiments with peas






6. The large intestine






7. Describes cells that have a double set of chromosomes in homologous pairs (2n)






8. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium






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






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






11. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






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






13. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






14. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






15. A cell resulting from the fusion of gametes






16. A duct through which the urine passes from the bladder to the outside






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






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






19. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






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






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






22. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






23. 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)






24. The process of breaking down large organic molecules into smaller ones






25. A female sex hormone secreted by the follicle






26. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood






27. Pertaining to a subdivision of the autonomic nervous system of vertebrates






28. The cellular layer that covers external and internal surfaces






29. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






30. A space in the body






31. A progressive change from which a permanently more mature or advanced state results






32. A jellyfish






33. A colloidal system involving the dispersion of a liquid within a liquid






34. An excretory product of protein metabolism






35. A plant that lives on another plant mensalistically






36. 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






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






38. The intake of fluid droplets into a cell






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






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






41. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






42. A bone of the upper arm






43. A reproductive cell






44. The process by which a certain function is regulated by the amount of the substance it produces






45. An enlargement of the thyroid gland due to lack of iodine






46. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






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






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






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






50. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea