Test your basic knowledge |

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 hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






2. The thigh bone of vertebrates






3. A plant that has two seed leaves or cotyledons






4. A family tree depicting the inheritance of a particular genetic trait over several generations






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






6. The orderly process by which one biotic community replaces another until a climax community is established






7. In taxonomy - a classification between species and family






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






9. The external opening of the trachea in insects






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






11. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






12. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






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






14. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






15. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






16. Refers to protective covering






17. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






18. Living - as in living organisms in the environment






19. 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






20. A major lymphatic that empties lymph into a vein in the neck






21. Cytoplasmic bodies within a plant cell that are often pigmented






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






23. Involuntary muscle






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






25. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






26. The space between the mesodermal layers that forms the body cavity of some animal phyla






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






28. A network of capillaries in the Bowman's capsules of the kidney






29. A thyroid deficiency that results in stunted growth and feeblemindedness






30. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






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






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






33. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade






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






35. The cell membrane






36. A pair of chromosome pairs present during the first metaphase of meiosis






37. The individual differences of form among the members of a species






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






39. Unicellular organism with simple cell structure






40. A plastid containing chlorophyll






41. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






42. A habitat zone - such as desert - grassland or tundra






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






44. A specialized structure that carries out particular functions for eukaryotic cells






45. The production of a number of different species from a single ancestral species






46. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






47. A category of taxonomic classification that is ranked above class and under kingdoms






48. The enzyme that acts upon lactose






49. A bundle of nerve axons






50. Structures in the testes that produce sperm and semen