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






2. 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






3. A disease-causing organism






4. Relating to the lung






5. A reproductive cell that is capable of developing directly into an adult






6. The type of mating that occurs when an organism selects a mating partner that resembles itself






7. The process of forming the sperm cells from primary spermatocytes






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






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






10. A dark-staining small body within the nucleus; composed of RNA






11. A lymph tubule located in the villus that absorbs fatty acids






12. Related to the sense of smell






13. The creation of certain strains of specific traits through control of breeding






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






15. A duct that carries urine from the kidneys to the bladder






16. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






17. The part of the hindbrain located in the brain stem






18. Tubules that excrete metabolic wastes into the hindgut in arthropods






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






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






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






22. An underground stem






23. An air-conducting tube






24. An organ that stores bile






25. The study of organisms in relation to their environment






26. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






27. A stage of embryonic development in which the embryo consists of a hollow ball of cells






28. The intake of food from the environment into the alimentary canal






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






30. The enzyme released from the blood platelets in vertebrates during clotting






31. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






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






33. xylem that is no longer being used






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






35. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






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






37. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






38. The living matter of a cell - located between the cell membrane and the nucleus






39. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






40. Organism that produces its own food; first stage in the food chain






41. A resistance to disease produced through the injection of antibodies






42. The transformation of an immature animal into an adult; a change in the form of an organ or structure






43. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






44. An enzyme that acts upon sucrose






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






46. The area of medulla that regulates the rate of breathing






47. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






48. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






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






50. A sensory organ capable of detecting light