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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. Bacteria that are rod shaped






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






3. A substance that is acted upon by an enzyme






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






5. The pairing of homologous chromosomes during meiosis






6. An air-conducting tube






7. A mutation involving the addition or loss of nucleotides






8. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






10. A symbol that denotes the relative concentration of hydrogen ions in a solution






11. An organic catalyst and protein






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






13. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






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






15. A "seed leaf"; responsible for food digestion and storage in plant embryo






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






17. A hormone of the thyroid that regulates basal metabolism






18. A lateral region of the forebrain






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






20. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






21. The large intestine






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






23. Technology that allows for manipulation of genetic material






24. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






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






26. Partially digested food in the stomach






27. The outermost - extra-embryonic membrane of reptiles and birds






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






29. 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






30. A mitotic stage in which nuclei reform and nuclear membrane reappears






31. An individual that is heterozygous for only one trait






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






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






34. A marine biome typical of the open seas






35. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






36. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






37. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






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






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






40. An antipathogenic substance (e.g. - penicillin)






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






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






43. The study of all living processes - activities and functions






44. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






45. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






46. A ductless gland that secretes hormones directly into the bloodstream






47. The biome located between the polar region and the tiaga






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






49. Random evolutionary changes in the genetic makeup of a population






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