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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 thin-walled anterior chamber of the heart (also called the auricle)






2. The living together of two organisms in an intimate relationship






3. Requiring free oxygen from the atmosphere for normal activity and respiration






4. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






5. An excretory product of protein metabolism






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






7. The anaerobic respiration of carbohydrates






8. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






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






10. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






11. The sac in the ovary in which the egg develops






12. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






13. A symbiotic relationship from which both organisms involved derive some benefit






14. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






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






16. One-thousandth of a millimeter; a unit of microscopic length






17. A form of asexual reproduction in which the egg develops in the absence of sperm






18. One of the paired lateral divisions of the forebrain






19. An animal with a constant body temperature






20. A starch form in animals; glucose is converted to this in the liver






21. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






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






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






24. The cellular layer that covers external and internal surfaces






25. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






26. The transfer of pollen from the stamen to the pistil of the same flower






27. Describes an individual that has the same gene for the same trait on each homologous chromosome






28. A group of populations that can interbreed






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






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






31. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






32. The class of free-living flatworms






33. A space in the body






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






35. A plant that has a single cotyledon or seed-leaf






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






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






38. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






39. A mass of cells that have similar structures and perform similar functions






40. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






41. The posterior part of the brain that controls the rate of breathing and other autonomic functions






42. An organ that stores bile






43. One of the primary tissues of the embryo






44. A behavioral or biological change that enables an organism to adjust to its environment






45. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






46. Adrenaline






47. A response by an organism to the duration and timing of light and dark conditions






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






49. 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






50. The uppermost portion of pistil upon which pollen grains alight






Can you answer 50 questions in 15 minutes?



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